bhagyanagar gas limited - bglgas.com

LAYING OF MDPE PIPE LINE NETWORK & ASSOCIATEDWORKS IN HYDERABAD CITY

OPEN DOMESTIC COMPETITIVE BIDDING BASIS

Bid Document No.: BGL/084/2010-11

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BHAGYANAGAR GAS LIMITED(A JOINT VENTURE OF HPCL & GAIL)

CNG & CITY GAS DISTRIBUTION PROJECT ATHYDERABAD

BID DOCUMENT FORLAYING & CONSTRUCTION OF LAYING OF MDPE

PIPES AND ASSOCIATED WORKSIN HYDERABAD CITY (RATE CONTRACT)



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INDEX

1.0 SECTION – 7 SCOPE OF WORK

2.0 SECTION – 8 TECHNICAL SPECIFICATIONS AND STANDARDS




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SECTION 7

SCOPE OF WORK




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GENERAL & PROJECT DESCRIPTION

1.1 GENERAL

1.1.1 Special Condition of Contract shall be read in Conjunction with the GeneralConditions of Contract, specification of work, Drawing and any other documentsforming part of this contract wherever the context so requires.

1.1.2 Notwithstanding the sub-division of the documents into these separate sections andvolumes every part of each shall be deemed to be supplementary to andcomplementary of every other part and shall be read with and into the contract so faras it may be practicable to do so.

1.1.3 Where any portion of the General Condition of Contract is repugnant, to or atvariance with any provisions of the Special Conditions of Contract, unless a differentintention appears, the provisions of the Special Conditions of Contract shall bedeemed to over-ride the provisions of the General Condition of Contract and shall tothe extent of such repugnancy, or variations, prevail.

1.1.4 The materials, design and workmanship shall satisfy the relevant INDIANSTANDARDS, the TECHNICAL SPECIFICATIONS contained herein and CODESreferred to. Where the technical specification stipulate requirements in addition tothose contained in the standard codes and specifications, these additionalrequirements shall also be satisfied.

1.1.5 Wherever it is mentioned in the specifications that the CONTRACTOR shall performcertain work or provide certain facilities, it is understood that the CONTRACTORshall do so at his cost and the VALUE OF CONTRACT shall be deemed to haveincluded cost of such performance and provisions, so mentioned.

1.1.6 It will be Contractor’s responsibility to bring to the notice of Engineer-in-charge anyirreconcilable conflict in the contract documents before starting the work(s) or makingthe supply with reference which the conflict exists.

1.1.7 In the absence of any specifications covering any material, design of work(s) thesame shall be performed/ supplied/ executed in accordance with StandardEngineering Practice as per the instructions/ directions of the Engineer-in-charge,which will be binding on the Contractor.

1.2 PROJECT DESCRIPTION

1.2.1 General

Bhagyanagar Gas Ltd (BGL) is a Joint Venture company between GAIL (India)Limited and Hindustan Petroleum Corporation Ltd. (HPCL). BGL has been setup toprovide CNG (Compressed Natural Gas) as fuel to vehicles through CNG fillingstations and PNG (Piped Natural Gas) to Industrial, Commercial & Domestic Sectorsin Hyderabad and adjoining areas. For that, BGL plans to install CNG & PNGDistribution network in Hyderabad.




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BGL through this tender is seeking contractors to lay an underground MediumDensity Polyethylene (MDPE) pipelines and provide Natural Gas connections toCommercial & Domestic consumers in Hyderabad area.

The main scope of this specification comprises of Laying, testing and commissioningof underground Medium Density Polyethylene (MDPE) main pipelines and servicespipelines of sizes ranging from 20 mm to 180 mm OD from the DRS to PE / GItransition Fitting & installation of GI/Cu Pipelines for Natural Gas supply to Domesticand commercial consumers. The scope also covers supply & installation of the GIfitting & other associated fittings for aboveground installation and all MDPE Pipeline’sassociated Fittings, Valves, HDPE Casing, Warning Mat, etc. for undergroundinstallation for City gas project of Bhagyanagar Gas Limited (BGL) for Hyderabadarea. The scope also covers the laying of MDPE service pipelines and GI & Copperpiping to connect new customers in the various areas of Hyderabad. The scope alsoincludes the residual engineering of MDPE Pipeline network from the down stream ofService Regulators within the colonies.

In Hyderabad, BGL is planning to connect 2000 Domestic customers and 60Commercial Customers through this tender in the areas of Medchal Industrial areaand Sutchitra and Kompally etc, but not limited to this.. However the pipe route &number of connections planned is tentative & may undergo changes as per actualrequirement as decided by the Engineer-in-Charge.

Project Details

A brief description of the proposed facilities are given below :-

1.2.2 Hyderabad:

MDPE Pipeline Diameter : 180 mm to 20 mm

Pipe Material : MDPE PE-100 / SDR-11 and 17.6

Design Pressure/ Rating : 4 kg/cm2(g)

Installation of GI pipes, Copper Tubes, Meters & Regulators for domestic andcommercial consumers.

- Commercial consumers : Approx. 20 Nos.

- Industrial consumers :Approx. 60 Nos

- Domestic consumers : Approx. 2000 Nos. .

2.0 WORK TENDERED

Work tendered in this bid package pertains to laying of underground MDPE Pipeline(including supply of casing pipe, associated fittings, valves, etc.) and GI Service pipe




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installation (including supply of GI fitting) to domestic & commercial consumerscomplete with associated facilities.

The Contractor is to broadly carry out the following activities:-

2.1 Laying of the underground MDPE Pipeline, supply & installation of valves & fittings(wherever required) along with associated facilities from the proposed DRS for eachindustry / commercial consumer / housing society / cluster as indicated in drawings oras directed by the owner/EIC.

2.2 Complete aboveground installation of GI/Cu piping system including Meters,Regulators, Valves, etc.

2.3 Valve Pits & Joint Pits for OFC wherever required.

2.4 Installation of MDPE pipeline including supply of casing pipe (with or without casing)at all crossing of rail, road, utilities, underground pipeline & water bodies (drain,stream & nala etc.).

3.0 SCOPE OF WORK

The scope of work shall generally be, but not limited to the following:-

3.1 Procurement

3.1.1 CONTRACTOR shall procure and supply all the materials other than OWNERsupplied materials, required for permanent installation of main pipeline andaboveground GI/Cu Installation in sequence and at appropriate time. All equipment,materials, components etc. shall be suitable for the intended service. Approvedvendor list has been indicated in the bid package for various items. For items whichare not covered in the vendor list, CONTRACTOR shall obtain OWNER's priorapproval for the vendor.

3.1.2 CONTRACTOR shall procure all materials, components, equipment, consumable etc.required for successful completion of the pipeline system. CONTRACTOR shall alsoprocure and supply spares required for pre-commissioning and commissioning/ startup as recommended for all items supplied by him as per specifications provided inthe bid package. Where no specification is available in the contract, the same shallbe prepared by the CONTRACTOR based on the piping material specification andshall be subject to OWNER's approval.

3.1.3 Material take-off with complete description of size, rating, material, thickness andspecifications.

3.1.4 Only single offer shall be provided by the bidder fully complying to specifications/drawings/ requirements for OWNER's review and approval. CONTRACTOR shallprovide for inspection of the items at vendor's works by the OWNER/ OWNER'sREPRESENTATIVE or by a reputed inspection agency and shall submit inspectionreports for OWNER's clearance.




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3.1.5 Stores management including receipt, warehousing, preserving the material in goodcondition, issue of material to construction site, reconciling/ handing over surplusmaterial to OWNER for OWNER supplied items.

3.1.6 Carryout proper documentation of inspection and quality assurance programmes forall equipment and bulk materials duly approved by OWNER. CONTRACTOR shallmaintain an accurate and traceable listing of procurement records for the location,quality and character of all permanent materials in the Project.

3.1.7 CONTRACTOR shall immediately report to the OWNER of all changes which willaffect material quality, and recommend any necessary corrective actions to be taken.

3.1.8 Submit periodic manufacturing progress reports highlighting hold ups and slippages,if any, to OWNER and take remedial measures.

3.1.9 Interact with authorities such as Sales Tax, Octroi, Excise, Customs etc. asnecessary and arrange for transportation of the materials under his scope of supplyto site.

3.1.10 All purchase requisitions including purchase orders shall be approved by OWNER/OWNER's REPRESENTATIVE.

3.1.11 Compliance with vendor's and supplier's instructions and recommendations fortransportation, handling, installation & commissioning.

3.2 Construction

3.2.1 General

3.2.1.1 All construction works shall be carried out as per “Approved for Construction”drawings, procedures, specification and applicable codes and standards. Anychanges at site shall also need prior approval from the OWNER and revision ofdrawings. Construction drawings will be submitted by the Contractor in a phasedmanner for owner’s approval in accordance with the procurement and constructionplan prepared and furnished by contractor & agreed by Owner.

Owner will take minimum 7 working days from the date of submission of thedocuments / drawings submitted by the contractor for owner’s comments / approval.

3.2.1.2 Statutory Approvals

The Owner shall provide to the Contractor the basic / in principal approval for layingthe pipeline. However, the Contractor at his own initiative shall obtain all permissions,permits and licenses necessary for the performance of the work. If any suchpermission, permit or license required for the performance of the work by thecontractor can only be granted at the request or recommendation of the Owner, theOwner shall at the request of the Contractor, provide recommendatory letters to thecontractor to obtain or procure the same. The contractor shall not, however be




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entitled to any additional compensation over and above contracted rates of servicesfor any hardship or increased cost caused by any idleness, suspension or disruptionof work or any other account whatsoever as a result of the inability of the contractorto obtain the permission(s), permit(s), license(s) aforesaid to match with the progressof the work nor shall the same constitute a ground for extension of time.

a) The approval from any authority required as per statutory rules andregulations of

Central/ State Government, PWD, Irrigation Deptt. etc. shall be thecontractor’s responsibility unless otherwise specified in the tender document.The application on behalf of the Owner for submission to relevant authoritiesalongwith copies of required certificates complete in all respects shall beprepared and submitted by the Contractor well ahead of time so that theactual construction/ commissioning of the work is not delayed for want of theapproval/ inspection by concerned authorities. The Contractor shall arrangethe inspection of the works by the authorities and necessary coordination andliaison work in this respect shall be the responsibility of the Contractor.However statutory fees paid, if any, for all inspections and approvals by suchauthorities shall be reimbursed at actuals by the Owner to the Contractor onproduction of documentary evidence.

b) The defective work resulting from poor workmanship and/ or material suppliedby contractor, as pointed out by any statutory authority shall be rectified bythe contractor at no extra cost to the Owner. Any change/ addition required tobe made to meet the requirements of the statutory authorities, the same shallbe carried out by the contractor free of charge. The inspection andacceptance of the work by statutory authorities shall, however, not absolvethe contractor from any of his responsibilities under this contract.

3.2.1.3 The Contractor shall comply with all the conditions and requirements issued byAuthorities having jurisdiction in the area where the work is to be performed.

It shall be the Contractor’s sole responsibility to make arrangements for land forsetting up of its string fabrication yards, all storage areas for line pipe and othermaterials, wherever required, and all other work areas.

The Contractor shall make all arrangements for access to his work site at his owncost and responsibility. If no public road exists Contractor shall arrange on his ownfor access to his work area at no extra cost to the COMPANY.

The CONTRACTOR shall be responsible for claims if any arising out of damage/obstruction to public utilities like lines of DOT etc. where the claims will cover therestoration costs as well as loss of revenue due to down time.

3.2.1.4 Providing schedules, progress reporting, organisation chart at construction site,quality assurance plan and developing quality control procedures, as perrequirements indicated elsewhere in the bid package.




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3.2.1.5 Coordination and supervising the work of sub-contractors.

3.2.1.6 Transportation of appropriate materials and taking delivery of Company supplymaterials, store, worksite, intermediate storage points, maintaining and operating anadequate material control procedure at worksite.

3.2.1.7 Fabrication of all GI piping, structural components as per approved drawings.

3.2.1.8 All civil/ structural works, electrical and instrumentation, laying and commissioningworks shall be performed in accordance with relevant specifications andrequirements enclosed elsewhere in the bid package.

3.2.1.9 CONTRACTOR shall provide complete details of manpower, equipment etc. to bedeployed. Mobilising and providing all equipments, manpower (skilled and unskilled),consumable and other resources etc. for each spread as required for the execution ofthe complete job defined herein and thereafter demobilising the same uponcompletion of work.

3.2.1.10 Provide, maintain and operate all temporary facilities required for the constructionrelated works and remove after completion of work. Providing barricading at trench incity area as per instruction of Engineer-in-charge for safety.

3.2.1.11 Hook up/ tie-in of pipeline and piping system with other facilities like DRS/MRS etc.

3.2.1.12 All works related to cleaning, testing, dewatering, swabbing, drying pre-commissioning and commissioning of the work tendered.

3.2.1.13 Idle time preservation of pipeline, if required.

3.2.1.14 All incidental and associated works and any other works not specifically listedtherein but are required to be carried out to complete entire work related to pipelinesand terminals.

3.2.2 Main Pipeline

3.2.2.1 Topographic Survey

The contractor shall be deemed to have been familiarised themselves with route priorto quoting and take care of all the eventualities. No extra cost shall be admissible inany form at a later date. The survey drawings & details to the extent available arebeing furnished to the Bidder alongwith bid document. Any additional survey/ routesurvey and their details required either for local detours during execution or for whichpipeline section/ sections of pipeline, survey work has not been carried out by ownerfor the above project shall be carried out by contractor in similar manner without anyextra cost to the owner. However, laying and construction of entire pipeline includingdetoured portion and pipeline section/ sections of pipeline for which survey work hasnot been carried out by Owner, shall be within the scope of contractor and governedby SOR of tender without any cost implication. Contractor shall be deemed to have




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considered such eventualities while formulating his bid. Pipeline route map showingthe pipeline tentative route are also enclosed with the bid package.

These drawings are indicative & tender purpose only and are furnished to enableBidder to estimate the quantum of work and to quote a firm price for the work. Finalconstruction drawings of all type shall be prepared and submitted for approval toOwner by successful bidder / contractor at or before project execution stage.Approved for Construction drawings may vary to some extent from the drawingsincluded in the Bid Package. Contractor shall carry out all works in accordance withthe construction drawings duly approved by Owner without any extra time & costimplication to the Owner.

3.2.2.2 Familiarization of Pipeline Route

Bidders are advised to make site visits to familiarize themselves with all the salientfeatures of terrain and available infrastructure along the pipeline route. Contractorshall be deemed to have considered all constraints and eventualities on account ofsite conditions along pipeline route while formulating his bid. Contractor shall not beeligible for any compensation in terms of cost and/ or time, on account of siteconditions along pipeline route varying to any extent from whatever described in theBid Package and the drawings furnished along with the Package.

3.2.2.3 Soil Investigation – VOID

Hyderabad city is situated on Rocky area. hence the pipeline route and its majorcrossing location in general may encounter hard soil area / rocky area whileexcavating by open cut / trenchless method. It shall be Bidder’s responsibility tofamiliarize himself with sub-soil conditions along the pipeline route, and work out thelengths of pipeline to be laid in different subsoil conditions including quantum of rockexcavation by control blasting (Permission / approval / NOC / work permit willhowever be obtained by the contractor) / cutting and chiseling of hard soil / rock /stone, that would be necessary and shall be required while formulating their bid. Unitrates for pipeline construction as quoted by Bidder shall include the above andbe inclusive of all excavation. Contractor shall not be entitled for any extracompensation in terms of time and cost for any kind of excavation andvariation in actual site condition from the data furnished in the tenderdocument, whatsoever.

The survey drawings / documents detail to the extent available are being furnished tothe bidder along with tender document. It shall be bidder’s responsibility to verify theavailable data and satisfy himself with regard to accuracy and utility of data.

3.2.2.4 The city condition field / other fields may have lots of PVC, PE & utilitypipelines or other pipelines & cables being used for city utility / other utilitiespurposes. CONTRACTOR shall ensure that these lines shall not be damaged/ cutaffecting the water / power / communication / other supply to concerned Users /Owners / Authorities. Wherever required temporary necessary precautions had to bemaintained for uninterrupted supply.




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3.2.2.5 Right of Way (ROW)/ Right of Use (ROU)

For MDPE Pipeline construction purposes, in city condition like Hyderabad, pipelinerestricted ROU / Corridor will be made available to Contractor by the Owner, thepipeline shall be laid in restricted ROU / Corridor along side of the existing road,inside available corridor, below road / rail / utility culvert, etc. in city areas.

Where the pipeline passes through city areas / industrial areas / forest areas etc., theROU will be restricted to required width may reduced upto 1 meter as made availableby concerned department. Contractor shall carry out construction work in the widthas made available to him with no time and cost implication to the Owner. It shall beContractor's sole responsibility to make arrangement for any additional land requiredfor fabrication, construction, storage and all other work areas, if required.

The contractor shall notify the owner the probable date of commencement of work atROU site at least three (3) weeks in advance to enable the owner to arrange handingover of the ROU/ site on the date requested. Should contractor fail in suchnotification, the owner shall not be liable for any claim by contractor, of whatsoevernature, for delay in the available of a ROU/ site.

3.2.2.6 "Receiving and Taking-over" as defined in the specifications of OWNER suppliedpipes at OWNER's designated stacking yards/ dump site. Management of dumpsiteafter receiving and taking over of pipes transportation including loading/ unloading,handling, stacking, hauling and stringing of pipes from OWNER's stacking yards toCONTRACTOR's worksite(s)/ workshop(s)/ pipeline Right-of-use (ROU), includingarranging all necessary intermediate storage area(s) required thereof till the pipesare installed in permanent installation.

3.2.2.7 Carrying out inspection of OWNER supplied pipes, fitting & valves etc. at the time ofreceiving and taking-over. Carrying out all handling, lifting, stacking of abovematerials required during inspection.

3.2.2.8 Loading, unloading, handling, stacking, storing and transportation to workshop/ worksite of all materials that may be used for the construction of pipeline system eithersupplied by OWNER at their designated stack yard/ dump site/ store and/ or byCONTRACTOR as the case may be.

3.2.2.9 ROU acquisition / principal permission of laying the pipeline including permission forall crossing i.e. rail, road, river, foreign hydrocarbon & utility pipelines, utility cablesetc. will be responsibility of the Owner. However obtaining all necessary approvals,work permits and liasioning / coordination works for ROU acquisition / permission forlaying of pipeline and its all crossing from concerned local authorities and respectiveOWNER’s having jurisdiction, as applicable for performing the work including shifting/relocation and restoration of telephone/ electrical poles and underground pipes andother utilities etc. as required by local authorities and as directed by OWNER shall beresponsibility of contractor.




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3.2.2.10 Stacking, clearing, grading, fencing of Right-of-Use (ROU) as required, trenching toall depths in all types of soil including soft & hard rock, controlled rock blasting (ifpermitted, however, permission / approval / NOC / work permit will be obtained bythe contractor) by special techniques, chiseling or otherwise cutting etc. to a width toalso accommodate the MDPE pipeline as per relevant standards, drawings,specification etc. transportation of MDPE pipes to ROU along the route, stringing,aligning, bending, jointing including testing, inspection, field jointing including supplyof all materials as per specifications, sand padding, laying and lowering of thepipeline, back filling, slope breakers as required, carrying out road, canal, utility andsubmerged minor water course crossings including bank stablisation of water coursecrossings as required, crossing of nallah/ canal by HDD / conventional method.Supply and installation of antibuoyancy measures viz. extra cover etc. on pipeline asshown in approved drawings and as directed by OWNER, installation of supportswherever required, supply of select backfill material as required, clean-up, pigging,flushing, pneumatic testing, nitrogen purging / pre-commissioning and commissioningof complete pipeline system, including all associated works as per relevantspecifications, standards and approved drawings.

3.2.2.11Installation of casing pipes (by open cut/ moling/ HDD) assembly, including supply ofall materials (excluding free issue material if any) viz. as per the drawings/specifications enclosed with bid package.

Cased crossings shall be installed at locations indicated in alignment sheets or asper instruction of Engineer-in-charge. The number of crossings indicated in drawingsis subject to change based on engineering, construction and statutory requirementsor the requirements of the authority having jurisdiction over a utility crossing.

3.2.2.12 All works/ provisions including installation of slope breakers to be provided inthe trench in areas where slope is more than 1 in 10.

3.2.2.13 Sand / soft soil padding around pipe wherever required in areas where trenchinghas been done in hard soil area / rocky area including supply of sand/ soft soil. Thethickness of sand/ soft soil padding at the top of coated pipe shall be minimum 150mm and bottom of coasted pipe shall be minimum 150 mm or as per standarddrawing no. BGL/PLNG/DWG-09, whichever is more.

3.2.2.14 Installation of all inline/ online instruments/ valves/ fittings/ transition fittings/appurtenances etc. as per requirements of approved drawings.

3.2.2.15 Crossings

3.2.2.15.1 Railway Crossings (If applicable as per SOR)

The general arrangement drawings for railway crossings shall be approved byIndian Railways and construction shall be carried out accordingly. Thesedrawings shall be made available to the Contractor at appropriate time duringthe execution of the project. Pipeline at railway crossings shall be provided




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with a casing pipe. The casing pipe shall be at least three nominal pipe sizeslarger than carrier and shall be installed by boring/ jacking. It should be notedthat the extent of casing pipe generally specified by Railways, is 15.0mbeyond centrelines of the outermost tracks on either side or 0.6 meter beyondthe ROU limits of railways on either side, whichever is more. All railwaycrossings shall be cased crossings. The railway crossing shall comply withthe requirements of API 1102 and Indian Railway regulations. The crossingangle shall be as close to 90° as possible.

3.2.2.15.2 Road Crossings

i) The method of crossing of roads such as open cut/ boring shall befirmed up by Contractor in consultation with concerned authorities andCompany. The Contractor shall also take due care to identify and takedue precautions so as not to disturb or damage the utilities like cables,water lines and other structures.

ii) After laying the pipeline in a road crossing by open cut method, theContractor shall completely restore the road to its original condition.

iii) While laying the pipeline in road crossings by open cut method theContractor should ensure that the traffic is not stopped during theexecution of work. This may be done by cutting half of the road at atime so as to enable the traffic to pass on the remaining half of theroad. Alternatively, the Contractor can provide diversion roads tomaintain the flow of traffic.

iv) The Contractor shall provide proper caution boards during day timeand danger lights during night time when the cutting operation of theroad is going on.

For cased crossings, the pipeline should be taken through the casing pipewhich should be at least 1.5 metres below the road top as specified or as perthe requirements of local authorities, whichever is higher. All national highwayand state highway as indicated in relevant drawings/ alignment sheets/ or asdirected by Engineer-in-charge shall be cased crossing.

3.2.2.15.3 Crossings of rivers/ streams/ canals by conventional method :

i) No damage should be caused to any irrigation sources, while layingthe pipeline through canal crossings.

ii) The flood banks of the River/ Canal should be brought to the originalcondition, if they are damaged by the laying of the pipeline.Stablisation of banks shall be carried out as per requirements ofconcerned authorities.




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iii) In general the top of the pipeline shall be taken at least 2.5 metrebelow the scour level of river crossing. If scour level is not knownminimum 3.5 m cover should be kept unless specified otherwise.

iv) The top of pipeline shall be at least 1.5m to 2.0m below the drain/canal bed unless specified other wise.

v) Pre-construction survey, preparation of the detailed constructionmethodology/ plan and time etc. shall have to be finalised byContractor in consultation with concerned authorities havingjurisdiction over canals/ rivers. Company shall provide assistance byproviding introductory letters.

vi) Pre-construction surveys, preparation of detailed construction methodstatement and calculations for OWNER's approval.

vii) Geo-technical investigations, if required.

viii) Site preparation, arranging required land for setting up of stringfabrication yard and obtaining necessary permissions from concernedauthorities.

ix) The major canals with lining/ perennial canals need to be crossed byHDD/ boring method only.

3.2.2.15.4 Crossings by Horizontal Directional Drilling (HDD)

Contractor shall cross the roads / water crossings by HDD method at variousdepth in different locations as directed by Owner either as per site conditionsor as per instruction received from concerned authorities, whichever will behigher / stringent and decision of Owner in this regard shall be final & bindingto the contractor. Before start of HDD, the contractor shall ascertain by pre-construction survey all underground obstacles namely electrical/telecommunication cable, foreign pipeline, water line, drain/ sewerage lineand prepare crossing profile drawings showing all elevations & levels. Thecontractor shall also ascertain, the type of soil & their terrain whether rocky ornormal by way of trial pit etc. before start of job. The contractor shall submitprocedure, profile drawing with complete design calculations of HDD as perrequirement of ASME B31.8/ OISD norms and safety requirement that pipe isnot under stress during and after crossing for Owner’s approval prior to startthe execution of works.

Contractor shall determine the minimum allowable elastic bend radius for pipefrom the following considerations :

i) Maximum longitudinal stress during installation

Total maximum longitudinal stress in the pipeline due to tension andbending at any location shall not exceed 90% of the SMYS of the pipematerial.




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Contractor shall in order to check this requirement evaluate themaximum tensile forces to which the pipeline is subjected to at anyphase of its installation during the pulling operation.

ii) Maximum equivalent stress during final hydrostatic test

After installation the pipeline shall be hydrostatically tested (for 6hours) at a pressure stipulated in the Special Conditions of Contract.During hydrostatic testing the combined equivalent stress in thepipeline due to bending and test pressure shall not exceed 90% of theSMYS of pipe material.

iii) Maximum equivalent stress during service

Permissible values of maximum equivalent stress during service shallbe governed by the requirements of ANSI N31.8/ B31.4 as applicable.The details of pipeline operating parameters are provided in theSpecial Conditions of Contract.

The minimum allowable radius of curvature for the pipeline shall bethe highest value of the minimum pipeline elastic radius as computedfrom the considerations outlined in clause no. i), ii) & iii) above aftercorrection for drilling inaccuracies whichever results in the highestpermissible value of minimum elastic bend radius.

Contractor shall ensure all safety norms regarding distances from endpoint or from bottom of crossing and also ensure that external coatingof pipe is not damaged during pulling & handling of pipe for crossing.For field joint coating in pipeline string made for HDD, special type ofheat shrink sleeve shall be used as per specification enclosed with thetender. For line pipe coating repair, special type of high shear strengthrepair patch material shall be used which characteristic shall be sameor equivalent as original wrapround heat shrink sleeve used in pipelinestring for HDD crossing.

The contractor shall ensure that no any u/g existing utilities/ pipelines/cable etc. are damaged. It shall be responsibility of contractor tocompensate any loss or damage to other agency if damaged whilecrossing. All statutory permission from concerned authority shall bearranged by Contractor before start of job. Contractor shall deployonly BGL ’s approved HDD Agency and approval of agency shall besought before deploying HDD agency.

3.2.2.16 Testing & Purging

A) Testing




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Pressure testing will be carried out with compressed air. Compressed air willbe provided by Contractor for testing purposes and is to be included in therates.

For main pipelines work the Contractor shall perform progressive pressuretesting to avoid having to find leaks in long lengths of pipe. The test pressureshall be 6.0 bar(g), and there shall be no unaccountable pressure loss duringthe test period.

Test procedure with sketches showing the pipeline to be tested, vent points,gauge location, and inlet pressure print is to prepared & got approved by EIC.

For main line the test duration shall be 24 hrs . With these tests the pressureshould be allowed to stabilise for a period of 30 minutes after pressurisation.The holding period may then commence and continue for 24 hours.Measuring instruments shall have been calibrated and their accuracy andsensitivity confirmed. For testing of Network, calibrated pressure gauges ofsuitable range shall be supplied by the contractor. The pressure gauges shallbe calibrated from time to time as desired by Engineer-in-Charge. All testingshall be witnessed and approved by the EIC or his delegated representative.Tie-in joints may be tested at working pressure following commissioning.

For service lines in some cases testing will be carried out independently ofthe testing of the mains for which the test duration may be reduced to 4 hrs.The length of the service line testing shall not be more than 1.0KM. Theservice testing in this case will be performed after the service installation iscomplete but before the service tee has been tapped. Also in some cases thetapping of the service tee will be delayed pending the completion and purgingof the main pipelines.

After Successful completion of testing and certified by EIC the tested length ofpipe line shall be kept on a positive pressure of 2.0 bar(g) with Nitrogen.

B) Purging

Purging shall be carried out in accordance with the principles defined in theAmerican Gas Association publication ‘Purging Principles and Practice”.

Nitrogen required for purging will also be provided by the Contractor. Nitrogenshall be supplied in labeled, tested and certified cylinders, and completed withall necessary regulators, hoses and connections, which will be in goodcondition and working order.

In addition the Contractor shall submit and get approved a Purging Planbefore commencing any purging work. The Plan shall include, but not belimited to, the provision of the following materials and equipment: Personalsafety equipment, Fire extinguisher, Purging adaptor, Purge stack with flame




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trap and gas sampling point, Gas sampling equipment (may be gas leakdetector), squash-off tool, Polyethylene connecting pipework.

The Plan shall also include the purging process along with detail on thesequence of events. The process is to also specifically mention the need tolay a wet cloth over the PE main and in contact with the ground, to dispersestatic electricity during the purging work.

A purge stack with flame trap shall be used when purging services. Care shallbe taken to ensure that the purge outlet is so located that vent gas cannotdrift into buildings.

3.2.2.17 Markers

Installation of all types of markers including all associated civil works. Anyother work not specifically mentioned above but required for making the entirepipeline system ready for operation.

3.2.2.18 Priorities

The Contractor shall start the execution work for entire length of mainlinesimultaneously and shall deploy adequate manpower, machinery, tool &tackles etc. accordingly.

However, Owner may, at its sole option, assign priority of construction toeither any spread or any section in spread of total pipeline length or to anypart/ segment of the work. Contractor shall comply with such priority ofexecution and their deployment without any time and cost implication to theOwner.

3.2.2.19 Survey Pillars

Owner has got the entire pipeline route surveyed and survey pillars havebeen established along the pipeline centreline or the ROW centreline andalong the pipeline route. However, the pipeline route survey had been carriedout sometime back and when Contractor mobilise at site, the survey pillarsmay be missing from ground. It shall be Contractor's responsibility to re-establish all missing survey pillars based on the survey data furnished by theOwner. Such work shall be done at no extra cost or time to Owner.

3.2.2.20 Forest/ Plantation Areas

Where the pipeline route passes through forest/ plantation areas, Contractorshall clear only the minimum width required for laying the pipeline as perOwner approved procedure for pipeline construction. Number of trees/ plantsto be felled down shall be restricted to a minimum.

3.2.2.21 Restoration of ROU




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Clean-up and restoration of ROW and other conveniences like road, rail,canals, cultivable land etc. to original conditions as per specification anddrawings to the entire satisfaction of OWNER and/ or Authorities havingjurisdiction over the same, including disposal of surplus construction materialsto a location identified by CONTRACTOR approved by local authority withoutcausing any disturbance to environment, locals and to the entire satisfactionof OWNER.

Upon restoration of ROU the Contractor shall furnish documentary evidencein support of acceptance of the same duly signed by land Owner without anyextra cost.

3.2.2.22 Preparation and submission of as built drawings, pipe books, documents,photographs of major activities, and project records as per specification andinstructions of the OWNER including furnishing of all Test Certificates/Inspection Reports for all materials used for permanent installation in requisitenumbers as mentioned elsewhere in this document.

3.2.2.23 ROW Clearing

During ROU clearing, the vegetation shall be cut off at ground level leavingthe roots intact. Only stumps and roots directly over the trench shall beremoved for pipeline installation.

3.2.2.24 Pre-commissioning and Commissioning Assistance

3.2.2.24.1 Pre-commissioning including supply of all materials, consumables andmanpower of the complete pipeline system

3.2.2.24.2 Making the entire system ready for commissioning and providing assistanceduring the complete duration of commissioning operations.

3.2.2.24.3 Completion of all mainline activities as detailed in SOR.

3.2.2.25 Civil Works

Civil works shall be carried out as per scope mentioned at SOR and as perIndian Standard norms.

3.2.2.26 Other Works

• Obtaining all necessary approvals and work permits, as applicable, forperforming the work.

• Carrying out all additional surveys, test and collection of data notfurnished by company but required for construction of facilities.

• Any other work not specifically listed herein but required for theconstruction of the terminals and making it ready for the operation.




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4.0 SCOPE OF SUPPLY

4.1 Material to be Supplied by Company as Free Issue

Owner’s scope of supply shall be as specified in Particular Job Specification,Technical Specifications, Schedule of Rates & various other parts of the BiddingDocument.

Free Issue Materials shall be issued to the Contractor from the designated store(s) ofOwner. Contractor shall be responsible for lifting the free issue materials fromOwner’s storage point(s) and transporting the same to work site(s) at his own cost.

BGL’s storage point for free issue material of this project shall be located inHyderabad City or its nearby region.

Contractor shall also return materials after completion of work to BGL’s designatedstore in Hyderabad City or its near by region or as directed by BGL / Engineer-in-charge.

Conditions for Issue and Reconciliation of Materials shall be as per Documentenclosed as Annexure-8 to Special Conditions of Contract.

The following free issue item will be supplied by the owner.

A) MDPE Pipes PE 100 SDR 11 and SDR 17.6

i) MDPE pipe (20mm)

ii) MDPE Pipes (32mm OD)

iii) MDPE Pipes (63mm OD)

iv) MDPE Pipes (90mm OD)

v) MDPE Pipes (125mmOD)

vi) MDPE Pipes (180mmOD)

B) GI Pipes bare/painted

i) GI Pipes (½ ")

ii) GI Pipes (¾")

iii) GI Pipes (1")

iv) GI Pipes (1½")




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D) Isolation & Appliance Valves

i) ½" Isolation Ball Valve

ii) ¾" Isolation Ball Valve

iii) 1" Isolation Ball Valve

iv) 1½" Isolation Ball Valve

v) ½” Appliance Ball Valve

vi) ¼” Appliance Ball Valve

E) Meters

Commercial Meter (Diaphragm Meter) – 25 m3/hr




Domestic Meter (Diaphragm Meter) – 2.5 m3/hr

F) Regulator

Commercial Regulator 4 kg/cm2 to 300 mbar, Flow rate of 6, 10, 15 & 25m3/hr

Service Regulator 4 kg/cm2 to 100 mbar, Flow rate of 12 & 25 m3/hr

Domestic Regulator 100 mbar to 21 mbar, Flow rate of 2.5 m3/hr

4.2 Conditions for issue of Company Supplied Material

Contractor shall prepare and submit Material Issue Vouchers to enable stagewiseissue of materials. All materials shall be issued for incorporation in permanent worksonly and shall not be used for any temporary or ancillary works without the writtenconsent of Engineer-in-charge. These materials shall be issued to the contractor fromthe Owner’s storage points. Contractor shall be responsible, at this own cost, forlifting of the materials from Owners issue points, measuring, weighing, loading,unloading, transportation and return of materials to designated storage points.Contractor shall also be responsible for constructing covered godowns with adequatesupports and clearances for safe storage of materials.

Every month the contractor shall submit an account for all the materials issued by theowner in the proforma prescribed by the Engineer-in-charge. On completion of the




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work, the contractor shall submit materials appropriation statement for all materialsissued by Owner.

4.2.1 All materials issued by the COMPANY to the CONTRACTOR shall be preservedagainst deterioration and corrosion. Any damages/losses suffered on account of pooror improper storage while under CONTRACTOR'S custody and non-compliance withthe requirements stipulated herein shall be considered as losses suffered due towillful negligence on the part of the CONTRACTOR and he shall be liable tocompensate the COMPANY, for the losses suffered, at penal rates as elaboratedelsewhere in the bid document.

Various equipments/ materials intended for the installation will be received byCOMPANY in unpacked, skidded, crated, packed or loose condition and will bestored in the COMPANY warehouses & open yards. In general, material will beissued to the CONTRACTOR in "as-received" condition. It will be theCONTRACTOR'S responsibility to draw, load and transport all materials fromCompany’s designated place (s) of issue to the point of installation.

All materials supplied by the COMPANY shall be duly protected by theCONTRACTOR at his own cost with appropriate preservative like primer/lacquercoating, grease etc, if required.

The Contractor shall be required to take Insurance Cover in terms of generalconditions of contract.

4.2.2 The CONTRACTOR shall check that valves, fittings and specials are not subject tocorrosion from hydrostatic test liquid remaining saturated in the packings. Any suchconditions when detected should be brought to the notice of the Engineer-in-chargeand remedial measures taken as directed. Small and medium size pipe fittings shallbe stored in rack to be constructed from this purpose in a covered godown. Whenlarge size pipe fittings are to be stored, these may be kept in the open on surfacedstorage yards on proper wooden supports.

4.2.3 All machined surfaces shall be properly greased and shall be maintained andprotected from damages.

4.2.4 Openings of equipment, machinery, valves etc. shall be kept blocked/ covered withblinds to prevent entry of foreign matter.

4.2.5 All valves supplied independently, as well as along with equipment and machineryshall be stored separately, inside the covered godown on racks.

4.2.6 As far as possible materials shall be transported to the erection site, just prior to theiractual erection and shall not be left laying around indefinitely. Instructions for theEngineer-in-charge shall be followed strictly in this regard.

4.3 Material to be supplied by Contractor




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The procurement and supply, in sequence and at the appropriate time, of allmaterials and consumables required for completion of the work as defined in this Biddocument except the materials specifically listed under para 4.1 above, shall beentirely the CONTRACTOR'S responsibility and item rates quoted for the executionof the CONTRACT shall be inclusive of supply of all these materials. The material tobe supplied by the Contractor shall be as per specification and preferred make asindicated in Appendix-I or duly approved / recommended for use by BGL. Thematerials will be, but not by way of limitations, as follows:-

All materials except what is under Owner’s scope of supply (Free Issue Materials) asmentioned in Clause No. 4.1 above, and required for successful completion of worksin all respects shall be supplied by the Contractor and the cost of such supply shallbe deemed to have been included in the quoted price without any additional liabilityon the part of Owner.

The following indicative materials to be supplied by the contractor as required tocomplete the work. The contractor shall submit the Test Certificates of all the freeissue materials used at site. The materials shall be procured as per the standardsspecified in the PNGRB Regulations for Technical Standards andSpecifications including Safety Standards for City or Local Natural GasDistribution Networks and BGL standards.

Material under Contractor’s Scope of Supply

A) HDPE Casing Pipes PE 63, PN 6

i) HDPE Ducting Pipes (50mm)

ii) HDPE Ducting Pipes (75mm)

iii) HDPE Ducting Pipes (125mm)

iv) HDPE Ducting Pipes (250mm)

B) MDPE Valves

i) MDPE Ball Valve 32mm OD

ii) MDPE Ball Valve (W/O Stem) 63 mm OD

iii) MDPE Ball Valve (W/O Stem) 90 mm OD

iv) MDPE Ball Valve (W/O Stem) 125 mm OD

C) Warning Grid

Warning Mat 300mm Wide-1mm Thick

D) MDPE Fittings:

a) Bends




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i) Bends (90 Degree),32mm, 90mm, 63mm,125 mm, 180 mm (MDPE)

ii) Bends (45 Degree),32mm, 90mm, 63mm, 125 mm, 180 mm(MDPE)

b) Coupler

i) Coupler 20mm (MDPE)

ii) Coupler 32 mm (MDPE)

iii) Coupler 63mm (MDPE)

iv) Coupler 90mm (MDPE)

v) Coupler 125 mm (MDPE)

vi) Coupler 180 mm (MDPE)

c) End Caps

i) Ends caps 20mm (MDPE)

ii) Ends caps 32mm (MDPE)

iii) Ends caps 63mm (MDPE)

iv) Ends caps 90mm (MDPE)

v) Ends caps 125 mm (MDPE)

vi) Ends caps 180 mm (MDPE)

d) Equal Tee

i) Equal Tee 20mm OD (MDPE)

ii) Equal Tee 32mm OD (MDPE)

iii) Equal Tee 63mm OD (MDPE)

iv) Equal Tee 90mm OD (MDPE)

v) Equal Tee 125 mm OD (MDPE)

vi) Equal Tee 180 mm OD (MDPE)

e) Saddle Tapping Tee

i) Saddle Tapping Tee 63 x32 (MDPE)

ii) Saddle Tapping Tee 90x32 (MDPE)




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iii) Saddle Tapping Tee 125x63 (MDPE)

iv) Saddle Tapping Tee 125x32 (MDPE)

v) Saddle Tapping Tee 180x63 (MDPE)

vi) Saddle Tapping Tee 180x32 (MDPE)

f) Reducer

i) Reducers 32x20 (MDPE)

ii) Reducers 63x32 ( MDPE)

iii) Reducing Tee 90x63 (MDPE)

iv) Reducing Tee 125x63 (MDPE)

v) Reducing Tee 125x90 (MDPE)

vi) Reducing Tee 180x63 (MDPE)

vii) Reducing Tee 180x125 (MDPE)

viii) Reducing Tee 180x90 (MDPE)

g) Transition Fitting

i) PE to G.I. (20 mm to 1/2")

ii) PE to G.I. (32 mm to 1")

iii) PE to G.I. (32 mm to 1/2")

iv) PE to G.I. (32 mm to 3/4")

v) CS to PE (4” to 125mm) - Steel weld adaptor

vi) CS to PE (4" to 180mm) - Steel weld adaptor

E) GI Fittings

i) Elbows F End (½") (GI)

ii) Elbows F End (¾") (GI)

iii) Elbows F End (1") (GI)

iv) Elbows F End (1½") (GI)

v) M & F Elbows End (½") (GI)

vi) M & F Elbows End (¾") (GI)




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vii) M & F Elbows End (1") (GI)

viii) M & F Elbows End (1½") (GI)

ix) Equal Tee (½") (GI)

x) Equal Tee (¾") (GI)

xi) Equal Tee (1") (GI)

xii) Equal Tee (1½") (GI)

xiii) Union (½") (GI)

xiv) Union (¾") (GI)

xv) Union (1") (GI)

xvi) Union (1½") (GI)

xvii) Sockets (½") (GI)

xviii) Sockets (¾") (GI)

xix) Sockets (1") (GI)

xx) Sockets (1½") (GI)

xxi) Reduced Elbows (¾” x ½") (GI)

xxii) Reduced Elbows (1" x ¾") (GI)

xxiii) Reduced Elbows (1½" x ¾") (GI)

xxiv) Reduced Elbows (1½" x 1") (GI)

xxv) Reduced Elbows (2" x 1½") (GI)

xxvi) Hex Nipple Size (½" x 2") Long (GI)

xxvii) Hex Nipple Size (½" x 3") Long (GI)

xxviii) Hex Nipple Size (¾" x 2") Long (GI)

xxix) Hex Nipple Size (1" x 2") Long (GI)

xxx) Hex Nipple Size (1½" x 2") long (GI)

xxxi) Reduced Sockets (¾" x ½") long (GI)

xxxii) Reduced Sockets (1" x ¾") (GI)

xxxiii) Reduced Sockets (1½" x ¾") (GI)

xxxiv) Reduced Sockets (1½" x 1") (GI)




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xxxv) Reduced sockets (2" x 1½") (GI)

xxxvi) GI Plugs ¾"

F) i) Anaconda/Flexible hose ¾”

ii) Anaconda/Flexible hose ½”

G) Copper Tubes with 12mm Diameter and 0.6 mm thick and associated fittingsincluding brass fittings at the inlet/outlet of the meter and at the entry/exit ofisolation valve/Appliance Valves as per BGL’s Technical SpecificationBGL/ENG/PE/10 and.BGL/ENG/PE/11.

H) HDPE Ducts (permanently lubricated), 40 mm OD, # 6 kg/cm2.

I) All supports and fixture for GI Raisers, Copper Tube, Regulators and Metersas approved by the EIC

J) Steel braided hose of min 1.0 Mtrs length (Suraksha/equivalent make as perISI standard)

K) Burner nozzles for conversion of burners as approved by the EIC

L) Pipeline route markers as approved by the EIC

M) Transition fitting Guard / GI Sleeve / Concrete Sleeves / MS Sleeve as per theinstructions of EIC

5.0 DOCUMENTS, SPECIFICATION, STANDARDS AND DRAWINGS

5.1 BGL shall furnish tender purpose drawings as listed in content of Volume-II of III ofthe tender document and other typical standard drawings attached with respectivetechnical specifications enclosed with Volume-II of II of the tender document.Contractor shall prepare detail engineering drawing, bill of materials and allconstruction drawings and submit to Consultant for approval prior to start of the job /any procurement.

5.2 Contractor shall prepare isometric drawings, any specific detail drawings (if requiredby Engineer-in-charge) & bill of materials and submit the same for Owner’s approval/record.

Contractor shall prepare drawing for utilities line as required or as per SOR andsubmit the same for Owner’s approval/ record.

5.3 No construction small or big shall be carried out without proper construction /standard drawings duly approved by Owner's Engineers or site office or Owner'srepresentative duly authorised to do so.

For Mainline route network survey shall be furnished alongwith bid by Owner.However, detail crossing drawings with crossing methodology shall be submitted by




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Contractor for prior approval. Any additional survey and data required to completeabove shall be done by Contractor without any extra cost.

5.4 After Completion of construction & commissioning of pipeline system, Contractorshall incorporate all the correction in drawings, prepare and issue the drawings "asbuilt drawings" as listed below to Owner as final submission of drawings. ForMainline pipeline alignment sheet, all block valves location & details, all X-ing details,pipe book etc. and for tap-off point & consumers premises, various DRS, MRS atIndustrial / Commercial Consumer’s Stations – layout drawing, piping GAD, Isometricand all civil drawings including hook-up arrangement with DRS / MRS / MeterRegulator. For final submission only 6 sets of documents plus the originaltransparencies shall be handed over by Contractor. Any construction done byContractor without duly approved drawings shall be wholly at his risk and cost.Contractor shall also submit soft copy of pipe book in excel alongwith hard copy. Softcopy of all as-built drawings shall be also submitted in AutoCAD. For details ofdocumentation to be submitted for mainline and terminal refer enclosed specificationfor documentation for pipeline construction enclosed elsewhere with the tender.

5.5 Specifications

The work shall be carried out by CONTRACTOR strictly in accordance with thefollowing specifications enclosed in Volume-II & II of this document :-

1) Laying of Underground MDPE Main Pipeline

2) Installation of Aboveground GI Piping for Domestic & Commercial Consumers

3) GI Fittings

4) HDPE Pipes

5.6 Drawings

The drawings are included in Vol.-II of the bid package for BIDDER’s referencepurpose only; Bidders are advised to go through these drawings and also visit thesite before submitting their bids. The Contractor shall develop the drawings for allcrossings and detour of pipeline alignment alongwith the all type of drawings requiredfor construction works as detailed in respective SCC, PJS & SOR etc.

6.0 RESOURCES FACILITIES

6.1 Recruitment of Personnel by Contractor

The Contractor shall not recruit personnel of any category from among those who arealready employed by the other agencies working at the sites but shall makemaximum use of local labour available.

6.2 Construction Water and Power Supply

No water and power will be provided by the owner. It should be the responsibilities ofthe contractor to arrange water and power at his own cost.




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6.3 Land for Residential Accommodation

Owner shall not provide any land for residential accommodation of contractors staffand labour.

7.0 PROJECT SCHEDULING & MONITORING

The following schedules/documents/reports shall be prepared and submitted by theBidder/Contractor for review/approval at various stages of the contract.

7.1 Alongwith Bid

a) Time Schedule

The Completion Time Schedule for the work (including mobilization period) asper Appendix-I to Invitation for bid, PART-A of Tender in all respect, from thedate of issue of telex/telegram/letter/Fax of Intent.

The Bidder is required to submit a Project Time Schedule in Bar Chart Form,alongwith the Bid. The Schedule shall cover all aspects like sub-ordering,manufacturing and delivery, indicated in the Bid Document. The Ownerinterface activities shall be clearly identified with their latest required dates.Owner reserves the right to disqualify the Bidder if the above Schedulesubmitted by the Bidder is not in line with the over all Project requirement.

b) Scheduling & Monitoring System

The Bidders should describe their system of Project Scheduling andmonitoring, the extent of computerization, level of detailing, tracingmethodology etc. with the name of computer package and sample outputs.

7.2 After the Award of Contract

a) Overall Project Schedule

The Contractor shall submit within 1 week of Fax of Intent, a sufficientlydetailed over all Project Schedule in the activity network form, clearlyindicating the major milestones, interrelationship/ interdependence betweenvarious activities together with analysis of critical path and floats.

The network will be reviewed and approved by Engineer- in-Charge and thecomments if any shall be incorporated in the network before issuing the samefor implementation. The network thus finalised shall form part of the contractdocument and the same shall not be revised without the prior permission fromEngineer-in- Charge during the entire period of contract.

b) Progress Measurement Methodology




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The contractor is required to submit within 1 week of award of WORK, themethodology of progress measurement of sub-ordering, manufacturing/delivery, subcontracting construction and commissioning works and thebasis of computation of overall services/physical progress informed. Ownerreserves the right to modify the methodology in part or in full.

c) Functional Schedules

The contractor should prepare detailed functional schedules in line withnetwork for functional monitoring and control and submit scheduled progresscovers for each function viz. ordering, delivery and construction.

7.3 Project Review Meetings

The Contractor shall present the programme and status at various review meetingsas required.

a) Weekly Review Meeting

Level of Participation : Contractor’s Site Incharge & BGL

Job Engineers.

Agenda : a) Weekly programme v/s actualachieved

in the past week & programme for nextweek.

b) Remedial Actions and hold up analysis.

c) Client query/ approval.

Venue : Site Office

b) Monthly Review Meeting

Level of Participation : Senior Officers of BGL and Contractors.

Agenda : a) Progress Status/ Statistics

b) Completion Outlook

c) Major hold ups/slippages

d) Assistance required

e) Critical issues




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f) Client query/ approval

Venue : BGL Office/ Site at the discretion of Owner

7.4 Progress Reporting Proforma

A) Monthly Progress Report

This report shall be submitted on a monthly basis within 10(ten) calendardays from cut-off date, as agreed upon covering overall scenarios of the work.The report shall include, but not limited to the following :

a) Brief Introduction of the work.

b) Activities executed/ achievements during the month.

c) Schedule versus actual percentage progress and progress curves forDetail Engg. Sub-ordering, Manufacturing/ Delivery, Subcontracting,Construction, Commissioning and Overall and quantum wise status &purchase orders against schedule.

d) Area of concern/ problem/ hold-ups, impacts and action plans.

e) Resources deployment status.

f) Annexures giving status summary for drawings, MRs, deliveries, sub-contracting and construction.

g) Procurement status for items to be supplied by Contractor.

B) Weekly Reports

The report will be prepared and submitted by the Contractor on weekly basisand will cover following items :

a) Activities programmed and completed during the week.

b) Resource deployed men and machines.

c) Quantities achieved against target in construction

d) Record of Mandays lost.

e) Construction percentage progress schedule and actual.

C) Daily Repots

a) Activity programme for the day

b) Progress of the previous day and commutative progress.

c) Manpower & machinery deployed.




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7.5 Progress Reports

7.5.1 CONTRACTOR shall make every effort to keep the OWNER adequately informed asto the progress of the WORK throughtout the CONTRACT period.

CONTRACTOR shall keep the OWNER informed well in advance of the constructionschedule so as to permit the OWNER to arrange for requisite inspection to be carriedout in such a manner as to minimize interference with progress of WORK. It isimperative that close coordination be maintained with the OWNER during all phasesof WORK.

7.5.2 By the 10th (tenth) of each month, CONTRACTOR shall furnish the OWNER adetailed report covering the progress as of the last day of the previous month. Thesereports will indicate actual and scheduled percentage of completion of constructionas well as general comments of interest or the progress of various phases of theWORK. The frequency of progress reporting by the CONTRACTOR shall be weekly.

7.5.3 Once a week, CONTRACTOR shall submit a summary of the WORK accomplishedduring the preceding week in form of percentage completion of the various phases ofthe WORK, to the OWNER.

7.5.4 Progress reports shall be supplied by CONTRACTOR with documents such as chart,networks, photographs, test certificate etc. Such progress reports shall be in the formand size as may be required by the OWNER and shall be submitted in at least 3(three) copies.

7.5.5 Contractor shall prepare daily progress report (DPR) in the desired format and submitit to Engineer-in-charge alongwith schedule of next day to Engineer-incharge.

8.0 CONSTRUCTION

OWNER reserves the right to inspect all phases of CONTRACTOR's operations toensure conformity to the SPECIFICATIONS. Owner will have Engineers, Inspectorsor other duly authorised representatives, made known to the CONTRCTOR presentduring progress of the WORK and such representatives shall have free access to theWORK at all times. The presence or absence of a OWNER's representative does notrelieve the CONTRACTOR of the responsibility for quality control in all phases of theWORK. In the event that any of the WORK being done by the CONTRACTOR or anySUB-CONTRACTOR is found by OWNER's representatives to be unsatisfactory ornot in accordance with the DRAWINGS, procedures and SPECIFICATIONS, theCONTRACTOR shall, upon verbal notice of such, revise the work in a manner toconform to the relevant DRAWINGS, procedures and SPECIFICATIONS.

8.1 Rules & Regulations

CONTRACTOR shall observe in addition to Codes specified in respectivespecification, all National and Local Laws, Ordinances, Rules and Regulations and




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requirements pertaining to the WORK and shall be responsible for extra costs arisingfrom violations of the same.

8.2 Procedures

Various procedures and method statements to be adopted by CONTRACTOR duringthe construction as required in the respective specifications shall be submitted toOWNER in due time for APPROVAL. No such construction activity shall commenceunless approved by OWNER in writing.

8.3 Field Inspection

CONTRACTOR shall have at all times during the performance of the WORK, aCompetent Superintendent on the premises. Any instruction given to suchsuperintendent shall be construed as having been given to the CONTRACTOR.

8.4 Erection and Installation

The CONTRACTOR shall carry out required supervision and inspection as perquality Assurance plan and furnish all assistance required by the OWNER in carryingout inspection work during this phase. The OWNER will have engineers, inspectorsor other authorised representatives present who are to have free access to theWORK at all times. If an OWNER's representative notifies the CONTRACTOR'sauthorised representative not lower than a Foreman of any deficiency, orrecommends action regarding compliance with the SPECIFICATIONS, theCONTRACTOR shall make every effort to carry out such instructions to complete theWORK conforming to the SPECIFICATIONS and approved DRAWINGS in the fullestdegree consistent with best industry practice.

8.5 Construction Aids, Equipment, Tools & Tackles

CONTRACTOR shall be solely responsible for making available for executing thework, all requisite Construction Equipments, Special Aids, Tools, Tackles and testingequipments and appliances. Such construction equipments etc. shall be subject toexamination by owner and approval for the same being in first class operatingcondition. Any discrepencies pointed out by OWNER shall be immediately gotrectified, repaired or the equipment replaced altogether, by CONTRACTOR. OWNERshall not in any way be responsible for providing any such equipment, machinery,tools and tackles.

The OWNER reserves the right to rearrange such deployment depending upon theprogress and priority of work in various sections.

Tie-end between main line and starting point of terminal is included in the scope ofcontract, as and when main line section is available for Tie-ins.




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9.0 DOCUMENTATION

9.1 "As Built" Drawings

Notwithstanding the provisions contained in standard specifications, upon completionof WORK, the CONTRACTOR shall complete all of the related drawings to the "ASBUILT" stage and provide the OWNER, the following :-

a) One complete set of all original tracings.

b) Six complete bound sets of CONTRACTOR's specifications including designcalculations.

c) Six complete sets, in the form of hand bound volumes, of the manufacturer'sdata book for all the equipments, instruments etc. including certified printsand data. Data books shall be completed with index as to tag numbersassociated with manufacturer's data shown, Equipment data shall include asa minimum requirement the principle and descriptions of operations,installation and maintenance instructions, drawings and dimensions, parts listand priced purchase orders including those of major sub-vendors andsuppliers. Requirements pertaining to "VENDOR DATA REQUIREMENT"attached with standard specifications for the documents to be included in theData Book for each equipment, instruments etc. shall also be complied with.

d) Six bound copies each of the Spare Parts Data Books and the LubricantsInventory Schedule.

e) Soft copy of all the as built drawings prepared in AutoCAD in one set ofrewritable compact Disc and photographs covering measure activities at site.

f) The Contractor shall submit coloured photographs covering all the activities ofpipeline constructions highlighting the progress or other areas of work in 2sets to Engineer-in-charge at site office alongwith monthly progress report.Similarly photographs for problem areas should be submitted well in advancewith a proposed methodology to execute the works and meet the constructionschedule. The cost of same shall be deemed to be inclusive in the rates andno separate payment shall be made.

g) All as-built drawings as mentioned in specification for documentationenclosed elsewhere in the tender.

9.2 Completion Document – MDPE & GI

The following documents shall be submitted in hard binder by the BIDDER in THREEsets, as a part of completion documents :-

a) Copies of the Inspection reports, Laying Graphs, HDD Profiles and valve pitdrawings.

b) Pre testing, final Hydrostatic / pneumatic and other Test results and reports.




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c) Consumption statements of PE / GI certified by Owner’s Site Engineer.

d) Material Reconciliation, stores issue & return statements

e) All other requirements as specified in the respective specifications.

f) Completion Certificate issued by Owner’s Site Engineer.

g) No claim certificate by the BIDDER.

h) Completion certificate for embedded and covered up works whereverapplicable.

i) Recovery statement, if any.

j) Deviation statement.

k) Statement for reconciliation of all the payments and recoveries made in theprogress bills.

l) Copies of deviation statement and order of extension of time, if granted.

m) Any other contractual documents required on completion.

n) Total list of houses & commercial establishments in the area allotted to himgiving details of connections provided & reasons where connection could notbe given / completed.

o) The details recorded in measurement cards of every domestic house.

p) Details of houses where extra piping done along with materials used.

q) Total material consumption report.

r) Material reconciliation with respect to the materials issued.

s) Test reports & test certificates of gauges etc.

t) Any other documents / records required.

10.0 SURVEY AND LEVEL/SETTING OUT WORK

10.1 Before the WORK or any part thereof are begun, the CONTRACTOR's agent and theEngineer-in-Charge's representative shall together survey and take levels of theSITE and decide all particulars on which the survey is to be made, and on whichmeasurements of the WORK are to be based. Such particulars shall be plotted by theCONTRACTOR and after agreement the drawings shall be signed by the Engineer-in-Charge.

10.2 The CONTRACTOR shall be entirely responsible for the horizontal and verticalalignment, the level and correctness of every part of the WORK and shall rectify anyerrors or imperfections therein. Such rectifications shall be carried out by the




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CONTRACTOR at his own cost, when instructions are issued to this effect by theEngineer-in-Charge or his representative.

10.3 The Engineer-in-Charge shall furnish the relevant existing grid point with Bench Markon the land. It shall be CONTRACTOR's responsibility to set out the necessarycontrol points in and to set out the alignment of the various works. TheCONTRACTOR shall have to employ efficient survey team for this purpose and theaccuracy of such setting out work shall be CONTRACTOR's responsibility.

10.4 The CONTRACTOR shall give the Engineer-in-Charge not less than 24 (twenty four)hours notice in writing of his intention to set out or give levels for any part of theWORK so that arrangements may be made checking the same.

10.5 WORK shall be suspended for such times as necessary for checking lines and levelson any part of the WORK.

10.6 The CONTRACTOR shall at his own expense provide all assistance, which theEngineer-in-Charge may require for checking the setting out ot WORKS.

10.7 Before commencement of any activity, contractor's quality control set up dulyapproved by company must be available at site.

11.0 ORDER OF WORKS/PERMISSIONS/RIGHT OF ENTRY/CARE OF EXISTINGSERVICES.

11.1 The order in which the WORK shall be carried out shall be subject to the approval ofthe Engineer-in-charge and shall be so as to suit the detailed method of constructionadopted by the CONTRACTOR, as well as the agreed joint programme. The WORKshall be carried out in a manner so as to enable the other contractors, if any, to workconcurrently.

OWNER reserves right to fix up priorities which will be conveyed by Engineer-in-Charge and the CONTRACTOR shall plan and execute work accordingly.

11.2 Existing Service

11.2.1 Drains, pipes, cables, overhead wires and similar services encountered in course ofthe works shall be guarded from injury by the CONTRACTOR at his own cost, so thatthey may continue in full and uninterrupted use to the satisfaction of the Ownersthereof, or otherwise occupy any part of the SITE in a manner likely to hinder theoperation of such services.

11.2.2 Should any damage be done by the CONTRACTOR to any mains, pipes, cables orlines (whether above or below ground etc.), whether or not shown on the drawingsthe CONTRACTOR must make good or bear the cost of making good the samewithout delay to the satisfaction of the Engineer-in-Charge.

12.0 MAKE OF MATERIAL/BOUGHT OUT ITEMS




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Approved vendors for various major items is enclosed as Appendix-I to Particular JobSpecification with this tender documents. The bidder shall consider such names onlyas indicated in the aforesaid list and clearly indicate in the bid the name(s) asselected against these items. For any other item not covered in the list enclosed withthis tender document, prior approval shall be obtained by the contractor for its make/supplier’s name.

13.0 INSPECTION OF SUPPLY ITEMS

All inspections and tests shall be made as required by the specifications forming partof this contract. Contractor shall advise to BGL in writing at least 10 days in advanceof the date of final inspection/tests. Manufactures inspection or testing certificates forequipment and materials supplied, may be considered for acceptance at thediscretion of Owner. All costs towards testing etc. shall be borne by the contractorwithin their quoted rates. All inspection of various items shall be carried out based onQuality Assurance Plan, which will be submitted by the Contractor and duly approvedby Owner.

14.0 ESCALATION

The Unit Rates quoted shall be kept firm till completion of work and no priceEscalation shall be paid.

15.0 DOCUMENTS TO BE SUBMITTED/ PRODUCED ALONGWITH R.A. BILLS

i) Computerized R.A. Bill/ Manual Bill, with IT No./ ST No./ Labour Licence No.printed thereon.

ii) ESI/ EPF clearance certificates for the last month alongwith R.A. Bills.

iii) Insurance Policy as per relevant clauses of Contract Agreement.

iv) Attendance Register and Salary Records.

v) Photocopy of the measurement book to be attached with R.A. Bills.

vi) Any other document required for the purpose of processing the bills.

vii) Registration Certificate with Sales tax authorities of state concerned.

16.0 INSURANCE FOR FREE ISSUE MATERIAL

16.1 Insurance for Free Issue Material

Contractor shall at his own expense arrange, secure and maintain insurance coverfor Owner’s supplied free issue materials as defined in Tender Document.Contractor’s quoted price shall be inclusive of all costs on account of insurance




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liabilities covered under the Contract. Contractor to note that the beneficiary ofinsurance cover shall be BGL. (The approximate cost of free issues material is Rs.50.0 Lakhs). The Contractor may take the insurance as per the following schedule.

16.1.1 Upto 2 months – 40.0% of the value

Upto 4 months – 80.0% of the value

Upto 6 months – 100.0% of the value

16.2 Insurances in India

16.2.1 In addition to the insurance covers specified in the General conditions of Contract tobe obtained and maintained by the Contractor, Contractor shall at his own expensearrange, secure and maintain insurance with Indian insurance companies to thesatisfaction of the owner as may be necessary and to its full value for all suchamounts to protect the works in progress from time to time and the interest of Owneragainst all risks as detailed herein. The form and the limit of such insurance asdefined herein together with the under writer works thereof in each case should be asacceptable to the Owner. However, irrespective of work acceptance the responsibilityto maintain adequate insurance coverage at all times during the period of Contractshall be that of Contractor alone. Contractor’s failure in this regard shall not relievehim of any of this responsibilities and obligations under Contractor.

16.2.2 Any loss of damage to the equipment during inland transportation, storage, erectionand commissioning till such time the Work is taken over by Owner shall be to theaccount of Contractor. Contractor shall be responsible for preferring of all claims andmake good for the damage or loss by way of repairs and/ or replacement of the partsof the Work damaged or lost. Contractor shall provide the Owner with a copy of allinsurance policies and documents shall be submitted to the owner immediately uponthe Contractor having taken such insurance coverage. Contractor shall also informthe Owner regarding the expiry cancellation and/ or changes in any of suchdocuments and ensure revalidation/ renewal etc., as may be necessary well in time.

16.2.3 The risks that are to be covered under the insurance shall include, but not be limitedto the loss or damage in handling, transit, theft, pilferage, riot, civil commotion,weather conditions, accidents of all kinds, fire, war risk etc. The scope of suchinsurance shall cover the entire value of supplies of equipments, plants andmaterials.

16.2.4 All cost on account of insurance liabilities covered under this Contract will be toContractor’s account and will be included in Contract Price. However, the Owner mayfrom time to time, during the currency of the Contract, ask the Contractor in writing tolimit the insurance coverage risk and in such a case, the parties to the Contract willagree for a mutual settlement, for reduction in Value Of Contract to the extent ofreduced premium amounts.




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16.2.5 Contractor as far as possible shall cover insurance with Indian Insurance Companies.

17.0 SPECIAL POINTS PERTAINING TO SPECIFICATION

17A.0 Following new clauses are also to be considered wherever required which arespecific to city conditions laying.

17A.1 Preliminary Activities, Design and Detailed Engineering

- Contractor shall carry out all preliminary activities, surveys of utilities to theextent required for main pipeline and distribution/ branch lines, layingunderground pipelines and prepare alignment sheets, crossing drawingsalongwith bill of material with all details necessary for construction of the mainand branch lines. The minimum pipeline cover shall be kept as follows:

Pipeline Burial Requirements

The entire pipeline shall be buried and provided with a minimum cover as given inTable below :

Pipeline Burial RequirementLocation Min. Cover (m)a) Stream / Canal / Nala and other minor water crossing(below firm bed level)

1.5

b) Cased/ Uncased Road/ cart track crossings 1.2c) Cased railway crossings 1.7d) Drainage, ditches at roads/ railway crossings 1.0e) Industrial, Commercial, Residential and otherlocationsincluding rocky areas

1.0

f) Major water crossings (below scour level) 2.5g) Major water crossing with rocky bed (below scourlevel)

1.5

Note:

i) The depth of cover shall be measured from the top of the pipe to the top ofthe undisturbed surface of soil or the top of graded working strip, whichever islower. The fill material in the working strip shall not be considered in the depthof cover.

ii) The cover shall be measured from the top of road or top of rail, as the casemay be;

iii) For river / water courses that are prone to scour and erosion, adequate safecover as mentioned above or as advised by concerned authorities (whicheveris stringent) shall be provided below the predicted scour profile expectedduring the life time of the pipeline.

iv) When scour level is not known, an additional cover of at least 1 m or asadvised by concerned authorities shall be provided from the existing firm bedof the river / water course except in case or rocky river bed;




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v) Minimum cover mentioned above against sl. no. a), b), c), d) & e) categorymay be increased based on the statutory requirements from concernedauthorities and authorities requirement shall be final and binding to thecontractor.

vi) Soft soil / sand padding of minimum 150 mm thickness or as mentioned instandard drawing (whichever is stringent) to be provided around the pipelinewhere gravel / hard soil or rocky area is encountered.

- Contractor shall carry out detailed engineering as required for preparation ofGeneral Arrangement Drawings (GADs) for DRS/ MRS Stations, Piping atconsumer ends, connection at existing tap-off location and for futureconnections alongwith bill of materials.

Owner will provide typical sketches for above ground installation (i.e. at DRS/MRS etc.) Contractor shall develop General Arrangement Drawings (GADs)good for construction for various sizes and locations based on typicalsketches/ drawings alongwith bill of materials and submit to Owner forreviews/ approval. Construction work shall be carried out based onconstruction drawings duly approved by Owner.

- The detailed engineering for above ground installation shall include detailengineering pertaining to all disciplines alongwith bill of materials.

- All the documents/ drawings prepared by the Contractor shall be submitted toOwner/ Engineer-in-charge for review and approval. All works shall beexecuted based on the approved drawings/ documents only.

- Contractor shall obtain all clearance from Government authorities. Howeverbank guarantee/ required fee or charges shall be submitted by Owner.

17A.2 If any ambiguity arises between SCC (Tech.) & Particular Job Specification in thatcase later shall govern. However in some cases, decision of Engineer-in-charge shallbe final and binding to the contractor.

17B.0 Following points shall be taken care by the contractor before during executionworks.

i) Contractor shall be responsible for taking necessary precautions regardingtraffic (installation of notice / warning boards).

ii) Contractor shall be totally responsible for the occurrence of any accidentduring excavation of road and shall be liable for damages / expenses due tothe same.

iii) Concerned authority / Owner shall not be responsible for any loss / damage.

iv) One copy of the permission shall be made available with contractor’sresponsible workman at the place where excavation is undertaken.




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v) While executing the subject work, excavation shall be done in consultationwith the concerned authority engineer of that area.

vi) Necessary safety measures shall be taken for the gas pipeline, since hightension lines and other services carriers are running alongwith in gas pipelineroute in the area.

18.0 SPECIAL NOTES PERTAINING TO SCHEDULE OF RATES (SOR)

i) All SOR item shall be quoted by the bidder in the price part of the bid,otherwise bid will be rejected.

ii) The quantities given above against individual items are indicative andshall not be considered to be binding. The quantities may be increased,decreased or deleted at site at the time of actual execution and as perdiscretion of Owner/ Engineer-in-charge. The unit rate shall be operatedto work out the final payment due to Contractor.

iii) The payment will be made as per actual certified measurement at site.

iv) The scope as mentioned in the SOR is of indicative nature only andshall include all activities as detailed in the relevant clauses of therespective Particular Job Specifications, Technical Specifications, DataSheets & drawings, etc.

v) Installation of MDPE Pipes of all size mentioned above are to be laidunderground considering for more than 2000 domestic consumers, 20nos. commercial consumers & 60 nos. industrial consumers.

vi) Restoration works of pipeline trench made by open cut method alongROU including pipeline crossings are excluded from Contractor’s scopein SOR.

However, if any private road / footpath / pavement etc. falls underproposed pipeline route and if crossed by open cut method, in that caserestoration works shall be done by the contractor and pavement shallbe made as per respective item mentioned elsewhere in the SOR.Owner’s / Engineer-in- Charge’s decision in this regard shall be finaland binding to the contractor.




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SECTION 8

TECHNICAL SPECIFICATIONS &STANDARDS




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LIST OF SPECIFICATION/ STANDARDS

A) Technical Specification

1) Laying of Underground MDPE Main Pipeline

2) Installation of Aboveground GI Piping for Domestic & Commercial Consumers

3) HDPE Pipes

4) Warning Grid

5) Anaconda/Flexible Hose

B) Tender/ Standard Drawings

Description Drawing No.

1) Schematic Diagram for Domestic PNG Connection BGL/PLNG./DWG-01

in Multistoried Housing Complex

2) Scheme of High Pressure Service Installation BGL/PLNG./DWG-02

3) Regulator Box, Meter Brackets & Clamps BGL/PLNG./DWG-03

4) Road/ Highway Cased Crossing for MDPE Pipe BGL/PLNG./DWG-04

5) Typical Detail of Marker BGL/PLNG./DWG-05

6) Pipeline Warning Sign BGL/PLNG./DWG-06

7) Warning Plate without Foundation BGL/PLNG./DWG-07

8) Commercial Connection Scheme (Type-I) BGL/PLNG./DWG-08

9) Reinstatement Specification Trench Cross BGL/PLNG./DWG-09

Section (Typical) Single MDPE Pipeline Laying

10) Typical Details of Valve Pit BGL/PLNG./DWG-10

11) Restoration of Roads, Footpath, Channel BGL/PLNG./DWG-11

12) Standard Details of Backfill for Drain Crossing BGL/PLNG./DWG-12




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TECHNICAL SPECIFICATIONFOR

LAYING OF MDPE MAIN AND SERVICE PIPELINESC O N T E N T S

1.0 GENERAL INFORMATION

2.0 SCOPE OF WORK

3.0 MATERIAL, LABOUR, PLANT AND EQUIPMENT

3.1 Supplied by Contractor

3.1.1 Plant and Equipment

3.1.2 Imported Backfill and Material

3.1.3 Other Materials

4.0 PROGRESS OF WORK

5.0 APPROVALS

6.0 REFERENCE SPECIFICATION, CODES AND STANDARDS

7.0 SAFETY

8.0 ROUTE SURVEY

9.0 ORGANISATION OF WORK

10.0 STRUCTURES, SERVICES AND OTHER PROPERTY

10.1 Location of underground Utilities

10.2 Protection of Structures and Utilities

10.3 Interference with Traffic, Street Drainage and General Public

11.0 TRENCHING

11.1 Depth of Trench

11.2 Width of Trench

11.3 Trench Base

11.4 Clearances

11.5 Underground Interference

11.6 Others




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11.7 Bedding

12.0 LAYING

13.0 LAYING OF OPTICAL FIBER CABLES/ CONDUIT

14.0 JOINTING OF PE PIPE

15.0 BACK FILLING

16.0 MOLING

17.0 BORING /RAMMING /DIRECTIONAL DRILLING

18.0 CASING PIPE

19.0 RESTORATION

20.0 TESTING

21.0 PURGING

22.0 VALVE PIT

23.0 PERMANENT MARKER

24.0 ASSISTANCE IN COMMISSIONING

25.0 RESIDUAL ENGINEERING

26.0 STANDARD OF WORK

27.0 RECORDING (AS-BUILT DRAWINGS)




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1.1 INTRODUCTION

Bhagyanagar Gas Limited (BGL) is a Joint Venture company between Gail (India)Limited and Hindustan Petroleum Corporation Ltd. (HPCL). BGL has been setup toprovide CNG (Compressed Natural Gas) as fuel vehicles through CNG filling stationsand PNG (Piped Natural Gas) to Industrial, Commercial & Domestic Sectors inHyderabad.

For that, BGL plans to install a PNG Distribution network in Hyderabad. BGL throughthis tender is seeking contractors to lay an underground Medium DensityPolyethylene (MDPE) pipelines and provide Natural Gas connections to domesticand commercial consumers.

The main scope of this specification comprises of laying of underground MediumDensity Polyethylene (MDPE) main pipelines and services pipelines from the DRS toPE / GI transition Fitting (inclusive). All the materials shall be supplied by contractor.The scope covers the activities associated with supply laying, testing andcommissioning of MDPE main pipelines and services pipelines of sizes ranging from20 mm to 180 mm OD upto and including the PE / GI transition fitting above groundlevel.

In Hyderabad, BGL is planning to connect 2000 Domestic customer through thistender in the areas of Kompally and Suchitra, etc. However the pipe route & numberof connections planned is tentative & may undergo changes as per actualrequirement as decided by the Engineer-in-Charge.

1.2 Nature of Contract

The contractor shall be paid on a Schedule of Rates basis. He shall execute the workand perform his obligations under the contract, and BGL shall pay the contractor formeasured quantity of each item of work actually carried out under the contract.Payment shall be at the rate for the work set out in the agreed Schedule of Rates.

2.0 SCOPE OF WORK

Generally the following shall constitute the Contractor’s scope of work :

2.1 Plan and prepare a schedule for execution and work implementation as per QA/QCplans to be issued by BGL. Contractor has to submit the Construction/ Executionprocedures before commencement of work.

2.2 Assist in obtaining permissions from land owing agencies for road cutting for laying ofpipelines. Liaisoning with concerned authorities during execution of the job.

2.3 Receipt of free issue items from BGL's designated stores, loading, transportation,unloading at Contractor’s stores near project sites.




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2.4 Proper storing, stacking, identification, providing security, and insurance, duringstorage, laying and upto handing over of pipelines.

2.5 Making trial pits to determine the underground utilities /services such as existingpipelines, Cables (Electrical/Communication), Conduits, U/G drainage, Sewers,tunnels, Subways foundations etc, and deciding optimum routes and depths forlaying the pipelines based on the route plans provided in the tender.

2.6 Obtaining the approval for optimum route and ROU from the concerned authority andEIC. Grading the ROU as per requirement for proper movement of workmen,equipment and QA/QC personnel.

2.7 Wherever required the grass/ turfing, pavement, linings, drains roads and other such'pucca' area shall be locally removed to facilitate trenching and pipe laying works.The same is to be reinstated as original.

2.8 Supply & Installation of Safety/ Warning Signs, barricading of the entire route to betrenched. Pits to be similarly barricaded along the warning sign.

2.9 To make trenches with stable slopes but restricting minimum disturbance to aboveground/underground services/ installation as per specifications and approved routeplans; keep the trenches free from water and soil till placement of pipes;

2.10 Uncoiling/ stringing the PE pipes of required sizes (i.e. 20, 32, 63, 90, 125 & 180mm)pipes into trenches as per specification.

2.11 Joining the pipe ends with fittings and valves by approved electro-fusion techniquesas per specification.

2.12 Installation of pipe fittings/installation like elbow, tee, reducers, tapping saddles,joints, connectors, transition fittings, valves etc. including construction of supports,valves pits, inspection chambers etc. as per specification.

2.13 Laying pipeline using trench less technology methods with or without casing pipes asper specification and as directed by EIC.

2.14 Supply & Laying of HDPE duct as casing pipe wherever applicable, along with MDPEPipe.

2.15 Supply of all the equipment for laying of MDPE pipeline.

2.16 Supply of good quality GI sleeves, Transition Fitting Guard, MS enamel coatedsleeves, concrete casing pipes, sand and other material, fittings to be supplied by theContractor as per provisions of tender.

2.17 Back filling and compaction by jumping jack compactor using approved 'good' soil orusing excavated earth or borrow earth as per requirement and specification andreplacement of tiles, slabs removed during the excavation. Cleaning all unserviceablematerial, debris, excess earth near trenches etc to designated disposal area.




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2.18 Carrying out pneumatic testing and purging as per specifications and approvedprocedures; providing all tools, tackles, instruments, manpower and other relatedaccessories for carrying out the testing of pipes.

2.19 Nitrogen purging (including supply), commissioning & gas charging of tested pipelineas per approved procedure.

2.20 Restoration of existing ground features such as grass/ turfing, paving, roads, drains,concrete, floral beds, fencing, titles, flooring masonry etc. to original condition and tomatch with adjoining conditions- functionally and aesthetically upto the entiresatisfaction of BGL any other third party agency designated by BGL and localauthorities, failing which, it will be done at the risk and cost of the contractor.Obtaining satisfactory completion certificates for the restoration work done from theconcerned authorities.

2.21 Installing of permanent site markers, warning signs, valve chamber etc.

2.22 Returning surplus material to BGL stores, reconciliation of free issue material/consumables and obtaining 'no objection certificates' from BGL

2.23 Handing over the completed works to BGL for their operation / use purposes.

2.24 Maintaining the completed pipelines/installation for any defect, failures during defectliability period.

2.25 Preparation and submission of As–built drawings, details of crossings, utility graphs,measurement sheets and deviation statements on completion / commissioning ofwork by way of drawing, sketches and tables.

2.26 Any other activity(ies) not mentioned/ covered explicitly above, but otherwiserequired for satisfactory completion/ operation/ safety/ statutory/ maintenance of theworks shall also be covered under the Scope of work and has to be completed by theContractor within specified schedule at no extra cost to BGL.


3.1 Supplied by the Contractor

Unless otherwise specified contractor will supply all size of HDPE casing pipe GIfittings and other materials as per SOR & scope of supply necessary to complete thelaying of gas main pipelines and service pipelines. However free issue item would besupplied to the contractor as per Owner’s scope of supply mentioned in the tenderdocuments.

The contractor is to procure all bought out items from approved vendors andaccordingly keep BGL informed. The inspection of bought out items would be carriedout by BGL / Third Party Inspection or as instruction by EIC.




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The Contractor shall provide the skilled labour, tools, material and equipmentnecessary for the proper execution of the Work. This will include but not be limited tolist of specialized items included in the enclosure furnished herewith.

3.1.1 Equipment & Machinery

All vehicular type machinery shall be in good working order and shall not causespillage of oil or grease. To avoid damage to paved surfaces the Contractor willprovide pads of timber or thick rubber under the hydraulic feet or outriggers ofmachinery.

In addition to above, the contractor must have dedicated bar coded electrofusion(Automatically readable) machine with power generator (at any point of timeminimum 2 nos.), Pipe Cutters (like circular guillotine), End Scrapers, PipeStraightener, approved Top loading clamp for fusing saddle tapping tee, clamps of allsizes for Electro-fusion fittings, re-rounding tools and test ends etc. for pipes offollowing diameters 180mm, 125mm, 90mm 63mm, 32mm & 20mm for this project.Contractor has to arrange his own all equipments for trenchless crossings such asHDD, Moling & rock cutting equipment, HDPE fusion equipment at the site wheneverrequired.

Contractor must also have to arrange his own equipment for restoration work likewater tanker and jumping jack compactor for compaction of backfilled trenches androller and other required equipment/ machinery for asphalting/ road works.

3.1.2 Imported Backfill and Material

The Contractor shall be responsible to arrange the supply of any imported backfillincluding approved Sweet earth/ Coarse Sand and aggregate etc. Payment for thesupply of sand only is included in Schedule of Rates. The other soils shall besupplied without any cost implication to Owner.

In case specified trench depths are not achieved & if directed by Engineer-in-chargeContractor to provide concrete casing pipes/ slabs or cement concrete, without anycost implication to Owner.


The Contractor shall supply the following items where required.

• All materials required for form work, trench support, temporary trenchcrossings.

• All sign boards, barricades, tin sheets, lights and protective equipment.

• All minor items not expressly mentioned in the Contract but which arenecessary for the satisfactory completion and performance of the Work underthis Contract.

• Permanent markers as shown in the drawings enclosed in the tender.




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The Contractor shall proceed with the Work under the Contract with due expeditionand without delay.

The EIC may direct in what order and at what time the various stages or parts of thework under the Contract shall be performed.

Contractor has to regularly submit daily progress reports, weekly progress reports,graphs with utilities, testing reports, material consumption and inventory reports,deviation statements etc.

5.0 LAISIONING

Contractor has to assist in getting permissions, obtain statutory approval/ clearancesfor laying of pipelines. However, BGL will pay the departmental charges and BankGuarantees for getting the clearance s. It is the contractor’s responsibility to informand co-ordinate the concerned local authorities and also other utility agencies beforecommencement of work at site. To ensure smooth execution of the work on a day today basis, the contractor has to liaison with respective authorities and obtainsnecessary approvals. No separate rate will be provided for the same job.


The contractor shall carry out the work in accordance with the requirement of latestrelevant applicable standards, this specification, BGL’s Engineering Standards;relevant Oil India Safety Directorate (OISD) norms, PNGRB Regulations forTechnical Specifications(T4S), ASME B31.8 – Gas Transmission and DistributionPiping Systems; Australian Standard 3723 – Installation and Maintenance of PlasticsPipe Systems for Gas; and the American Gas Association Document – PurgingPrinciples and Practice. ISO:4437/ IS:14885 for underground polyethylene pipes andBGL’s approved procedures

Should the contractor find any discrepancy, ambiguity or conflict in or between any ofthe Standards and the contract documents, then this should be promptly referred tothe Engineer-in-Charge (EIC) for his decision, which shall be considered binding onthe contractor.

7.0 SAFETY

The Contractor shall conform to the requirements outlined elsewhere in the tenderdocument. In addition, the Contractor shall observe safe working practices in thestorage and handling of cleaning fluids, flammable fluids, etc, and ensure smoking ornaked flames are not permitted in the vicinity when these materials are being used.




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Trench walls shall be battered with sufficient slope in order to minimize a trenchcollapse. Where there is a danger of an earth slide or collapse, the trench shallremain open for the minimum time possible with proper barricading. The Contractoris to ensure that no person enters a trench, which is of a depth of 1.5 metres orgreater, unless the trench has adequate shoring or the sides are battered to such anextent as to prevent a trench collapse

The Contractor shall also protect all work sites with warning signs, barricades ( Asper the drawing attached in tender document) and night lighting. The Contractor shallinspect all fenced excavations daily, and maintain them in good order.

The trenches/ pits shall not be kept open in night times. However in case the same isessential the same shall be properly barricaded with proper lighting arrangements &manned.

The Contractor shall provide all safety equipments (Personal Protective Equipment)like helmets, Safety Shoes, etc. to the labour which are necessary for safe workingpractice. The contractor shall ensure that the crow bar will be properly insulated ¾ thof length of crow bar.

Any accident causing injury to any person or damage to property or equipment shallbe reported to the EIC.

Where the EIC determines that the work is being performed by the Contractor in anunsafe manner, he may suspend the Work until corrective action is taken by theContractor.

8.0 ROUTE SURVEY

8.1 Plans detailing the size, operating pressure and approximate location of theproposed mains, connections and associated regulator installations will be issued tothe contractor at the start of the works.

8.2 The final alignment of mains will be worked out at site in consultations with the siteengineers after route survey and trial pits, at his cost, have been carried out. Anychange in routing from the issued drawings due to site constraint will be notified toEIC & his specific written approval shall be obtained before carrying out the job.

8.3 Service Lines

8.3.1 A survey will be conducted jointly by BGL/ third party inspection and the contractor ateach premises or housing colony to be supplied. The survey record will notecustomer details, the potential gas supply points and proposed regulator positionsand estimates of material quantities. The contractor’s representatives will make assketch of the agreed pipe routes if necessary.

8.3.2 The contractor will be responsible for contacting the customer and making thenecessary arrangements for access, and appointments to carry out the work.Contractor shall maintain job card and complaint books at site. BGL will not beresponsible for any time lost due to broken appointments or disputes with customers.




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9.0 ORGANIZATION OF WORK

9.1 All construction work will be carried out as per direction of EIC, and this will be theprimary point of contact between the contractor and BGL on site. All work will beissued and sanctioned through the EIC and site control exercised by Site EngineerBGL. The contractor shall ensure that technical quality standards are maintained,that construction is carried out cost effectively and that a good customer and publicimage of BGL is maintained.

9.2 The contractor will appoint his own supervisors of minimum number instructed byEIC. These personnel will be responsible to the SE for monitoring constructionstandards and for ensuring that all detailed technical requirements are met on eachand every job which is undertaken. The contractor's supervisor(s) will have day today liaison with the SE, and will provide the SE with technical reports and audits, andother management information as is required on work progress and constructionquality standards.

9.3 The contractor 's supervisor shall have mobile telephones or pagers to ensure thatthey can be contacted at all times. The contractor will also nominate one person whocan be contacted if necessary out of hours, for the duration of the works. Thecontractor's supervisor will have access to transport at all times to allow them to visitsites and attend meetings with BGL as is required. The normal day to day issue ofwork instructions, communication between BGL and the contractor 's supervisor andthe SE.No deviation from the approved technical specification / issued constructiondrawings shall be undertaken without written approval of EIC.

10.0 STRUCTURES, SERVICES AND OTHER PROPERTY

10.1 Location of Underground Utilities

The contractor shall locate all buried utility pipes, underground cables, water mainsand other obstructions intersecting or adjacent to the Works, and shall makeavailable the necessary labour to expose and record the depth of cover over allobstructions in advance of excavation. This shall be done far enough in advance ofexcavation to facilitate gradual change in grade or position found necessary to clearany obstructions.

In addition, the contractor shall excavate trial pits as necessary to determine the piperoute. The number of trial pits will be agreed with the EIC in advance of anyexcavation. In any event, trial pits shall be made at intervals of a maximum of 30meters. Restoration of the abandoned trial pits and trenches shall be the contractor’sresponsibility. No payments shall be made for such type of jobs.

There will be no additional payments in respect of abandoned trenches incurredbecause of insufficient or inadequate trial pits, or any associated lost time or delays.




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10.2 Protection of Structures and Utilities

The Contractor shall at his own cost, support and protect all buildings, walls, fencesor other structures and all utilities e.g. Electrical cables, Telephone Cables, Waterpipelines, Sewer pipelines etc., and property which may, unless so protected, bedamaged as a result of the execution of the works. He shall also comply with therequirements in the specification relating to protective measures applicable toparticular operations or kind of work. Special care shall be taken while layingPipelines near the trees.

10.3 Interference with Traffic, Street Drainage and General Public

The Work shall be executed in such a manner as to cause a minimum ofinconvenience to persons requiring to use public or private roads, lanes,thoroughfares, walkways, rights-of use or passages through which the Works are tobe executed. The trench shall be back filled, compacted, leveled and extra earth shallbe removed immediately after laying of pipeline to avoid public inconvenience.Closure of roads, etc, shall not be permitted without the approval of the EIC.

The Contractor shall comply with all local Authorities requirements to traffic, and keeproads open to traffic, and maintain access to and within any private property.

Wherever the pipe route crosses driveways, access tracks or entrances to privateproperties, the Contractor shall give the owner, occupier or relevant authority at least24 hours prior notice of intended commencement of excavation and shall berestricted to pass through.

The Contractor shall not, in any circumstance, use a private driveway, access trackor entrance without the prior approval of the EIC.

The Contractor shall provide suitable access where necessary in the form oftemporary bridges, culverts, flumes, etc, of a size and type approved by the EIC.

The Contractor shall comply with all relevant road Laws. Where limits and/or speedlimits have been placed in the vicinity of the Works, the Contractor shall provide forthe necessary movement of plant and equipment in accordance with therequirements of the relevant authority.

The Contractor shall not obstruct any drainage pipes or channels in any road butshall deviate them where necessary and use all proper measures to provide for thefree passage of water.

The Contractor shall deliver the completed works after proper cleaning of the site.

The contractor shall conduct his operations at all times, with a view to minimising asfar as practicable noise from plant and other objectionable nuisance (eg oil leakage).

11.0 TRENCHING

The schematic diagram with the detail of trench is enclosed as Annexure.




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The Contractor shall perform the excavation works so as to enable the pipe to be laidin conformity with the levels, depths, slopes, curves, dimensions and instructionsshown on the Drawings, Specifications or as otherwise directed by the EIC.

Contractor shall excavate and maintain the pipeline trench on staked centreline asper approved alignment sheets taking into account the horizontal curves of thepipelines.

While trenching care shall be taken to ensure that all underground structures andutilities are disturbed to the minimum. Suitable crossing shall be provided andmaintained over the ROU wherever necessary to permit general public, propertyowners or his tenants to cross or move stock or equipment from side of the trench oranother.

Trenching shall be made with sufficient slopes on sides in order to minimizecollapsing of the trench. On slopes wherever there is danger of land slides, thepipeline trench shall be maintained open only for the time strictly necessary. BGLmay require excavation by hand tools, local rerouting and limiting the period ofexecuting of the works. Before trench cuts through water table, proper drainage shallbe ensured, both near the ditch and ROU in order to guarantee the soil stability.

The Contractor shall ensure that trench bottom is maintained in the square form asfar as possible, with equipment, so as to avoid/ minimize the hand grading at thebottom of the trench. The Contractor shall do all such handwork in the trench asrequired to free the bottom of trench from loose rock, pebbles and to trim protrudingroots from the bottom and sidewalls of the trench.

11.1 Depth of Trench

The minimum depth of cover shall be measured from top of pipe to the top ofundisturbed surface of the soil or top of the graded working strip or top of road or topof rail, whichever is lower.

The depth of the trench will be such as to provided minimum top cover above pipe asstipulated below:

a) For Distribution Main and Service Lines

i) Minor Water Crossing/ Canal 1.5 meter

ii) Uncased/ Cased Road Crossing 1.5 meter

iii) Rail/ Road Cased Crossing 1.5 meter

iv) Normal Areas 1.0 meter

The minimum depth as mentioned above may be greater than as may be required byGovernment/ Public authorities under jurisdictions. The Contractor shall perform such




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work without extra compensation, according to the requirement of concernedauthorities.

In cases of Drain/ Culvert crossing through open cut where excavation cut is morethan 1.5m, the extra excavation shall be paid in quantity basis. The rate shall includebackfilling as specified.

In case the depth could not be achieved due to practical problems and the same isdemonstrated, EIC after examining thoroughly and considering the codes andstandards may allow the contractor to provide suitable protection by way of concretecasing pipes or slabs without extra cost to BGL.

11.2 Width of Trench

The width of the trench shall be wide enough to provide bedding around the pipe andto prevent damage to the pipe inside the trench. Unless otherwise directed by theEIC and where ground conditions permit, the minimum distance from the inside edgeof the trench wall to the outside of the pipe shall be as per drawing enclosedherewith.The following table specifies the maximum trench widths and minimumdepth of cover for the various size of pipes to be laid.Any deviation from trenchwidths specified will not alter the linear rates of SOR. In case the statutory authorityapplies any type of penalty or extra rate to BGL for excess excavation beyond thespecified width the same shall be recovered from contractors RA Bills. However in aspecial case the laying of pipeline is not possible in the approved width, variation upto 5% will be admissible on case to case basis subject to prior approval from EIC.

11.3 Trench Base

The trench bottom shall be cut or trimmed to provide a uniform bedding for the pipe,and shall be free of stones, metal, wood, vegetation, clods of earth or other debrisbefore placement of the pipe.

Hard rock is defined as trench material with a single piece dimension exceeding 1.5m in length which cannot be removed other than by the use of pneumatic chisel/drillor sledge hammer and chisel. Additional Rates will be paid for hard rock excavationas per the SOR.

Excavation through soil mixed with boulders that have been used for a road base willnot be considered as hard rock for the purposes of payment.

Pipe size (Dia) Max Trench Width Minimum top caver32,63,90,125 mm 450 mm 1000 mm180 mm 500 mm 1000 mm




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1.4 Clearances

Unless otherwise approved, the following clearances shall be maintained betweenthe external wall of the gas pipe and the external surface of other undergroundassets in the vicinity of the Works.

• 150mm where the gas pipe crosses other assets, other than electric cables,whereupon the clearance shall be 300 mm.

• 300mm where the gas pipe is on a similar alignment to the other assets.

Where the above clearances cannot be achieved, or in other special circumstances,the EIC may approve/specify protection with concrete/MS coated pipe, etc. Theprotective material shall be supplied and installed by the Contractor at his cost.

11.5 Under Ground Interferences

The Contractor shall locate and expose manually all underground facilities if anyduring trenching. Safety barriers, if required shall be erected to prevent any damagesor accident. On locations where pipeline is laid under the existing facilities and nearthe approaches to the crossing, the trench shall be gradually deepened to avoidsharp bends.

All sewers, drains, ditches and other natural waterways encountered while trenchingshall be maintained open and functional by providing proper temporary installations ifrequired. Suitable dewatering pumps shall be deployed to dewater, if required.

Whenever it is permitted by Authorities and/ or BGL to open cut paved road crossing,or where line is routed within the road pavement, the Contractor shall remove thepaving in accordance with the restrictions and requirements of the authorities havingjurisdiction thereof as directed by BGL. After laying the pipeline, backfilling shall beimmediately performed and all the areas connected with the works shall betemporarily restored.

In case of damage to any of above referred structures/ utilities the contractor shall beresponsible for repairs/ replacement at his own cost, which shall be carried out tosatisfaction of concerned authorities, resident and BGL.

11.6 Others

Throughout the period of execution of such work, the Contractor shall provide anduse warning signs, traffic lights or lanterns, barricades, fencing, watchman etc. asrequired by the local authorities having jurisdiction and/ or BGL.

For all roads, paths, walkways etc. that are open-cut, the Contractor shall providedtemporary diversions properly constructed to allow the passage of normal traffic withthe minimum of inconvenience and interruptions.

The paving shall be restored to its original condition after the pipeline is installed.




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The Contractor shall excavate to additional depth at all the points where the contourof the earth may require extra depth, or where as deep trench is required at theapproaches to crossings of roadways, railroads, rivers, streams, drainage ditcheswithout any extra cost implication to BGL.

The Contractor shall excavate all such aforesaid depths as may be required at noextra cost of BGL.

The trench shall be cut to a grade that will provide a firm, uniform and continuoussupport for the pipe.

The Contractor shall take conducive measures to ensure the protection ofunderground utilities as per the instructions of BGL or relevant authorities.

Where the pipeline crosses underground utilities/ structures, Contractor shall firstmanually excavate to a depth and in a such a manner that the utilities/ structures arelocated, then proceed with the conventional methods.

The locations, where the pipeline has to be laid more or less parallel to an existingpipeline cable and/ or other utilities in the Right-of-way the Contractor shall maintainproper distances and perform the work to the satisfaction of BGL and other utilityagencies. In such locations, the Contractor shall perform work in such a way thateven under the worst weather and flooding conditions, the existing pipeline/ utilitiesremain stable and shall neither become undermined nor have the tendency to slidetowards the trench.

11.7 Bedding

The contractor shall ensure that the pipe when placed in the trench is supported andsurrounded by a bed of screened excavated soil, which shall be stone free and havea maximum grit size of 5mm in order to ensure no damage occurs to the pipe.

However in case of rocky soil, the bedding shall be done with approved/ good qualitypacking sand, subject to the approval of the EIC, the size distribution of the sand/shall be the same as per soil. The packing sand shall be placed to a minimumthickness of 150mm around the pipe in case of rocky terrain. The payment for supplyof sand will be as per SOR item.

Unless directed by the EIC the quantity of bedding & surrounding sand shall confirmto specifications. There shall be no void space in packing sand around the pipe.

12.0 LAYING

Laying of MDPE pipelines shall commence only after ensuring proper dimensionsand clean surface of the trench. The trench bottom shall be free from the presence ofcuts, stones, roots, debris, stakes, rock projections upto 150mm below underside ofpipe and any other material which could lead of perforation/ tearing of the pipe wall.After ensuring above the MDPE pipe coil shall be uncoiled smoothly through properequipment's/ care inside the trench ensuring no damage to pipe coil during laying.The Contractor must ensure that pipe caps are provided before lowering of pipeline.




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The trench after this can be released for back filling leaving adequate lengths open atthe ends, for jointing.

Where given specific approval by the EIC a pipe may pass through an open drain ornallah. Where this is permitted the pipe shall be installed inside a concrete or steelsleeve for protection. The sleeve material shall be procured and laid by theContractor. In general the GI Sleeve and MS sleeves material specification shall beconfirming to IS 1239 (Heavy Duty) specification of reputed make. The payment forthe length of pipe in the sleeve will be made as per SOR. All other work necessary tobreak through the walls of the obstruction, and to seal the annulus between the pipeand the sleeve and the sleeve and the wall, shall be deemed to be included in therates.

Open ends of pipe placed in the trench shall be securely capped or plugged toprevent the ingress of water or other matter. The Contractor is to ensure that nothingenters the inside of the pipe during the laying process as this could cause a futureblockage or regulator malfunction due to dust, etc.

Service lines shall be installed in accordance with the drawing enclosed. Note thatthe service pipe rises out of the ground at the customer’s premises within a GI sleevepipe. The vertical portion of the sleeve shall be fixed to the wall of the premises in asecure manner. A bending tool shall be used to bend the GI sleeve pipe so that it hasthe appropriate curvature and is free of kinks. The bending of the sleeve, its fittingand clamping, and the installation of the transition fitting excluding service-isolatingvalve, is all included in the service connection rate. A rate is included in the SOR forthe provision of sleeves for PE laying.

The installation of the GI sleeve for service lines shall be done by sealing theannulus, firm fixing of the GI sleeves with concrete mix, breaking through anyobstructions & their subsequent restoration to the satisfaction of the EIC.

Valves shall be installed at locations shown on the Design Plan or as directed by theEIC and joined with PE pipes by electro-fusion techniques. The valves shall besupported on a bed of fine fill of grit size not greater than 5mm to achieve equivalentsupport as the incoming and outgoing pipe work.

Laying graphs with details of depth, length, offsets from fixed references, other utilitycrossings, fittings, size of casing pipe used for the pipeline shall be prepared on dailybasis and submitted to Site Engineers of the Owner for approval. These details willbe further incorporated into As-Built Drawings.

13.0 LAYING OF HDPE CONDUIT AND OPTICAL FIBER CABLE

OPTIONAL

14.0 JOINTING OF POLYETHYLENE PIPE

The procedure for jointing of PE pipe and fittings is enclosed. Only Bar coded electro-fusion machine (Automatically Readable) that can read the bar code of the fittings




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automatically shall be used for jointing of MDPE pipe / fittings. Manual feedingelectro-fusion machines are not acceptable for jointing purpose.

The contractor shall flush the Pipeline with air to remove dust, water, mud etc. beforefusing the joints.

Before jointing, the Contractor shall place packing sand under the pipes on bothsides of the joint to keep the pipes in line and at the correct alignment during thejointing process. Alignment clamps with the correct size shells should be used toalign the pipe during the electro-fusion cycle.

The Contractor shall ensure that polyethylene pipe is only cut with an approvedplastic pipe cutting tool. Before fusion is attempted he shall remove the oxidisedsurface of the pipe to be inserted into the electro-fusion coupling. The tool mustremove a layer of 0.1 mm to 0.4 mm from the outer surface of the polyethylene pipe.It may also be noted that no fusion will be allowed without clamping device andonly the approved cutting tools (Hack Saw shall not be allowed for cutting thePipe) shall be used.

The contractor has to supply all the consumables required for carrying fusion of thejoints (like cloth/ paper napkin, acetone etc.).

If, upon inspection, the EIC determines a joint is defective, Contractor shall removethe joint by an approved method. The cost of this work shall be borne by theContractor.

For electro-fusion jointing, the contractor must bring own tools, tackles andequipments.

Contractor shall arrange generator for power supply for fusion machine. Takingpower connection from electric poles ,connections without written permission fromconcerned authorities or residential premises is strictly not permitted.

15.0 BACKFILLING

Backfilling shall be done after ensuring that appurtenance have been properly fittedand the pipe is following the ditch profile at the required depth that will provide therequired cover and has a bed which is free of extraneous material and which allowsthe pipe to rest smoothly and evently. Dewatering shall be carried out prior tobackfilling. No backfilling shall be allowed if the trench is not completely dewatered.

Prior to backfilling it should be ensured that the post padding where required ofcompacted thickness 150mm is put over and around the pipe immediately afterlowering.

Backfilling shall be carried out immediately after the post padding where required hasbeen completed in the trench, inspected and approved by BGL, so as to provide anatural anchorage for the pipe, avoiding, sliding down of trench sides and pipemoment in the trench. If immediate backfilling is not possible, a padding of at least




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200mm of earth, free of rock and hard lumps shall be placed over and around thepipe and coating.

The backfill material shall contain no extraneous material and/ or hard lumps of soil,which could damage the pipe and/ or coating or leave voids in the backfilled trench.In case, it is required and directed by EIC, screening of the backfill material shall becarried out with specified equipment before backfilling the trench.

The surplus material shall be neatly crowned directly over the trench and theadjacent excavated areas on both sides of the trench to such a height which will, inBGL opinion of provide adequately for future settlement of the trench backfill duringthe maintenance period and thereafter. The down shall be high enough to preventthe formation of the depression in the soil when backfill has settled into its permanentposition should depression occur after backfill, Contractor shall be responsible forremedial work at no extra cost to Company. Surplus material, including rock, left fromthis operation shall be disposed off to the satisfaction of land owner or authorityhaving jurisdiction at no extra cost to BGL.

Where small pieces of rock, gravel, lumps of hard soil or like materials areencountered at the time of trench excavation, sufficient earth or select backfillmaterials shall be placed around and over the pipe to form a protective cushionextending at least to a height of 150mm above the top of the pipe. Select backfillmaterials for padding that are acceptable shall be screened soil, containing nogravel. All these works shall be carried out by Contractor at no extra cost to BGL.Loose rock may be returned to the trench after the required selected backfill materialhas been placed, provided the rock placed in the ditch will not interfere with the useof the land by landowner, or tenant.

In case where hard rock is encountered or as desired by EIC sand padding is to beprovided upto height of 150mm around the pipe and the same shall be paid as perSOR.

When the trench has been dug through drive ways or roads, all backfilling shall beexecuted with suitable material in layers as approved by BGL and shall be thoroughlycompacted. Special compaction methods as specified may be adopted. All costsincurred there upon shall be borne by the Contractor.

Trenches excavated in dikes which are the properties of railways or which are partsof main roads shall be graded and backfilled in their original profile and condition. Ifnecessary, new and/ or special backfill materials shall be supplied and worked-upto.

PE Warning Grid/Mat 1mm thick and 300mm wide will be placed on distribution mainand on service lines inside premises, after backfill of the trench upto a height of300mm on the top of the carrier pipes. The warning grid is to be unrolled centrallyover the pipe section and thereafter further backfilling will commence.

Backfilling activity shall include proper compaction by jumping jack compactorand watering in layers of 150mm above the warning mat. Proper crowning of notmore than 150mm shall be done. All the excavated material required to be used




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during the Restoration process shall be stacked and kept separately and properly.Wherever Road cutting/ Tiles removal/ PCC cutting has been done during excavationfor laying, the area shall be back filled and compacted immediately so that noinconvenience is caused to the general public.

Electro-fusion of joints is to be undertaken immediately after lowering and the activityshall not be kept pending for lack of Electro-fusion jointing. The backfilling shall beconsidered complete only after the joint in completed. The Electro fusion fittings asper the technical standards are supplied by the contractor.

Debris and other surplus material shall be removed immediately after the back filling.

The contractor shall not be entitled for 30% payment on laying & backfilling till theabove activities are completed.

16.0 MOLING:

The Moling shall be carried out as per the requirement specified by BGL, andapproved procedures. The contractor has to carry out thorough survey of the underground utilities before going for the Moling, to avoid the damage to the other utilities.

No extra payment will be made for any trial/ abandoned pits made during the survey.The supply of all equipment, power required for carrying out moling work, is incontractor’s scope. The type of moling to be carried out i.e., Manual/ Machine with orwithout casing shall be at the discretion of BGL. A prior approval is to be taken beforestarting the Moling.

For manual Moling the contractor shall ensure that the size of the hole shall not bemore than 20% of the size of the casing / carrier pipe which ever is applicable. Aftercompletion of Manual Moling the hole shall be properly compacted / filled with soil bywatering and by approved procedures, the pits shall be backfilled, compacted &restored . The rate for such crossing work by using casing pipe & carrier pipe or onlycarrier pipe shall be payable as per Item no. 1.4 & 1.5 respectively of Schedule ofRates. No separate payment shall be made for pulling the carrier pipe.

In case of Machine Moling a standard procedure is attached herewith in Annexurefor reference.

The rate for such crossing work by using casing pipe shall be provided in Item 1.6 ofSchedule of Rates. No separate payment shall be made for pulling the carrierpipe. In case Casing pipe is not laid during Moling then rates payable shall be as peritem 1.7 of Schedule of Rates.

The rates for Moling, as indicated in SOR, are payable as per the size of the casing/carrier pipe and are inclusive of excavation of pits, backfilling, compaction,restoration, jointing and insertion of carrier pie.

Any damages occurred to other utilities during the Moling operation shall beimmediately notified and rectified by the contractor without any cost implication toBGL.




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The length of the Hole (excluding the sizes of the pits on both ends) shall beconsidered for the measurement of Moling length. However, intermediate pits willconsider in the moling length.

17.0 BORING/RAMMING/DIRECTIONAL DRILLING

One of the above techniques is required to be carried out by the Contractor whereconventional trenching/Moling is not possible viz. railways, major waterways,highways, roads etc. Details of such crossings shall be obtained by the Contractor,and construction drawings shall be prepared by the Contractor in consultation withBGL. Execution of the work shall be based on the BGL approved drawings. Thecontractor has do the thorough survey of the under ground utilities beforecommencement of BORING/ RAMMING/ DIRECTIONAL DRILLING to avoid thedamage to the other utilities. No extra payment will be made for any trail/ abandonedpits made during the survey. The supply of all equipments is in Contractors scope.Work to be carried out in accordance with API - 1102.

The type of HDD to be carried out i.e. conventional (with or without casing) shall beat the discretion of BGL. And prior approval is to be taken before starting the HDD.

The rates for HDD, as indicated in SOR, are payable as per the size of the carrierpipe and are inclusive of excavation of pits, backfilling, compaction, jointing andinsertion of carrier pipe and restoration of pits. For HDD with casing pipe (SOR itemno. 1.8) no separate payment shall be made for pulling of the carrier pipe, the ratequoted by the Contractor shall be inclusive of pulling carrier pipe.

Any damages occurred to other utilities during the HDD operation shall beimmediately notified and rectified by the Contractor without any cost implications toBGL.

The length of the HOLE (excluding the sizes of the pits on both ends) shall beconsidered of HDD length.

18.0 CASING PIPE

The tentative sizes of the HDPE casing pipe for Moling/ HDD shall be as follows:-

Size of MDPE pipe Size of HDPE pipe

20 mm 50mm

32 mm 75 mm

63 mm 125 mm

90 mm 200 mm

125 mm 250 mm

180 mm 315 mm




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However, size of the casing pipe may vary according to length of the carrier pipe andrequirement of laying of OFC Duct.

19.0 RESTORATION

Wherever the restoration is required, the roads, footpaths (including roads andfootpaths inside colonies) shall be restored to original condition, and the same shallbe done as per concerned local authority’s norms and to the satisfaction of theconcerned local Authority. To retard curing of the installed concrete, wet sack cloth isto be placed on the finished surface and kept damp for a period of 36 hours.

Where slabs and blocks are to be restored, the level of the compacted sub base is tobe adjusted according to the slab/block thickness. The slabs or blocks should be laidon moist bedding material, which should be graded sand, mortar or mortar mix. Theslabs or blocks should be tapped into position to ensure they do not rock after laying.

The restored slabs or blocks should match the surrounding surface levels. Jointwidths should match the existing conditions, and be filled with a dry or wet mix ofmortar.

The sketch for restoration of Road, Footpath, Channel is enclosed herewith and isindicative. However, the restoration shall be done in accordance with the norms ofconcerned land owning agencies.

Turf shall be replaced in highly developed grassed area. In lesser-developed grassedareas topsoil should be replaced during the restoration process.

Where permanent surface restorations cannot be completed immediately, theContractor shall provide and maintain a suitable temporary running surface forvehicular traffic and pedestrians. The Contractor will be responsible for themaintenance of all restoration carried out, for the duration of the Contract guaranteeperiod.

The Contractor is to ensure the restoration work is properly supervised, and that thematerial used is suitable for the purpose and properly compacted. Where therequired standards are not achieved the Contractor will be required to replace thedefective restoration work.

Note that Payment for pipe laying will only be authorised on satisfactory restoration,and where the sites has been cleared of all surplus materials, etc.

Contractor has to obtain the clearance certificate from the concerned local authoritiesafter completion of the restoration work. The restoration specification specified in thetender is only a typical specification and the contractor has to carry out restoration asper latest version of the (PWD/ IRC) specification to its original condition and also tothe entire satisfaction of land owner (Private/Public).




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The expenditure incurred towards testing of the material used for restoration as perapplicable standards, shall be born by the contractor.

20.0 TESTING

Pressure testing will be carried out with compressed air. Compressed air will beprovided by Contractor for testing purposes and is to be included in the rates.

For main pipelines work the Contractor shall perform progressive pressure testing toavoid having to find leaks in long lengths of pipe. The test pressure shall be 6.0bar(g), and there shall be no unaccountable pressure loss during the test period.

Test procedure with sketches showing the pipeline to be tested, vent points, gaugelocation, and inlet pressure print is to prepared & got approved by EIC.

For main line the test duration shall be 24 hrs . With these tests the pressure shouldbe allowed to stabilise for a period of 30 minutes after pressurisation. The holdingperiod may then commence and continue for 24 hours. Measuring instruments shallhave been calibrated and their accuracy and sensitivity confirmed. For testing ofNetwork, calibrated pressure gauges of suitable range shall be supplied by thecontractor. The pressure gauges shall be calibrated from time to time as desired byEngineer-in-Charge. All testing shall be witnessed and approved by the EIC or hisdelegated representative. Tie-in joints may be tested at working pressure followingcommissioning.

For service lines in some cases testing will be carried out independently of the testingof the mains for which the test duration may be reduced to 4 hrs. The service testingin this case will be performed after the service installation is complete but before theservice tee has been tapped. The length of the service line shall not be more than 1.0KM. Also in some cases the tapping of the service tee will be delayed pending thecompletion and purging of the main pipelines.

After Successful completion of testing and confirmed by EIC, the main or service lineshall be kept on positive pressure of 2 bar with Nitrogen.

21.0 PURGING

Purging shall be carried out in accordance with the principles defined in the AmericanGas Association publication ‘Purging Principles and Practice”.

Nitrogen required for purging will also be provided by the Contractor. Nitrogen shallbe supplied in labeled, tested and certified cylinders, and completed with allnecessary regulators, hoses and connections, which will be in good condition andworking order.

In addition the Contractor shall submit and get approved a Purging Plan beforecommencing any purging work. The Plan shall include, but not be limited to, theprovision of the following materials and equipment: Personal safety equipment, Fireextinguisher, Purging adapter, Purge stack with flame trap and gas sampling point,




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Gas sampling equipment (may be gas leak detector), squash-off tool, Polyethyleneconnecting pipe work.

The Plan shall also include the purging process along with detail on the sequence ofevents. The process is to also specifically mention the need to lay a wet cloth overthe PE main and in contact with the ground, to disperse static electricity during thepurging work.

A purge stack with flame trap shall be used when purging services. Care shall betaken to ensure that the purge outlet is so located that vent gas cannot drift intobuildings.

22.0 VALVE PIT

The valve pit shall be constructed in accordance with enclosed drawing & paymentshall be as per the SOR.

The construction of valve chambers shall be taken up immediately after installation ofvalve pit.

22.1 Workmanship

The excavation work shall be done at a location given by Engineer–in-Charge. Allcare shall be taken not to damage existing facilities and surface of construction shallbe restored to its original state.

Sandbags to be placed below pipeline without disturbing the laid pipe. Gunny bagsand Sand should be of approved quality.

Precast RC slab shall be placed as indicated in the drawing issued to the contractor.PCC to be placed below the pipe as indicated. Once PCC is set sand is to be filledand properly rammed so that pipe and pre-cast concrete blocks are firmly placed.

MDPE Isolation Valves will be supplied with the operating stem. Contractor has tosupply the operating stem with a handle for the valves of the different sizes. TheContractor has to take prior approval for design and material specification of the stemfor installation. Approved quality sand is to be placed in between area.

Surrounding area to be properly cleared and PCC to be placed around the locationwhere precast slab with CI Manhole cover is placed. The RC precast slab to be laidin level and finished smooth.

23.0 PERMANENT MARKERS

23.1 Permanent Marker (As per typical Drawings Placed at Tender) shall be installed onthe ROU at regular intervals as per the instructions of the EIC immediately afterlaying of the pipeline. The installation of the type of the Permanent Marker shall bedecided by the EIC depending on the site condition. The Markers shall be paintedbefore installation as per the approved procedure. The supply of the paint and




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painting as per the specification is in contractor’s scope. Separate payment forinstallation of the markers shall be paid to the Contractor as per the SOR item.

23.2 The artwork shown in the drawing is typical for all the markers. The contractor musttake prior approval for the artwork from EIC before installation of Markers. Theartwork must have BGL’s logo and specify the location of the pipeline from themarker.

24.0 ASSISTANCE IN COMMISSIONING

Contractor shall provide the required personnel, Vehicles, labour, supervision, tools,equipment, instruments and technical assistance for performance tests andcommissioning activities as per requirement of BGL.

25.0 RESIDUAL ENGINEERING

The contractor is required to carry out the design of the LP Network in case there areany minor changes in the routing and change in the location of the Service Regulatorwith out any additional cost to BGL. The contractor shall submit the same to EIC forapproval before commencement of the work.

26.0 STANDARD OF WORK

26.1 All work carried out under this contract shall be to standards, codes of practice,construction procedures and other technical requirements as defined in the technicalspecifications. Over and above, the contractor shall strictly follow the relevant part ofTechnical Standards/Specifications notified by Petroleum Natural Gas RegulatoryBoard(PNGRB) specified for Laying of MDPE Network and GI Installation.

26.2 The manpower deployed on the respective work shall be adequately trained & shallhave necessary skills to executive / supervise the work. However, the assessment onthe qualification of the personal shall be at the discretion of EIC.

26.3 Fusion operators and other skilled personnel shall be approved by BGL andidentification cards duly signed by EIC shall be issued to them. Only those personnelwho are approved by EIC shall be allowed to execute the critical activities like joiningof PE Pipes.

27.0 RECORDING (AS-BUILT DRAWINGS)

The Contractor will be required to submit computerised as-built drawings dulycertified by EIC in A0/ A1 sheet form at 1:500 scale, and one set of tracing film withsix sets of prints plus soft copy. The as-built drawing shall be submitted on area wiseas specified. The bill of materials used for the particular area shall be specified on thedrawings. The Contractor may use the route plans provided by BGL as the basis forrecording mains installation. Soft copies of route plans shall be provided to thesuccessful bidder. On-site sketches, picking up key reference points, shall be madeduring the installation of services. The lengths, depths of installed pipe work,changes in direction, major fittings, etc, shall be recorded together with appropriatereferences to other services crossed and in the proximity of the gas pipe.




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The details shall be prepared in standard format using Map Info/AUTOCAD Map andsubmitted in CD ROM. Contractor shall also make the item wise materialconsumption report for the respective areas in a soft copy and to be submitted alongwith the as-built drawings.




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TECHNICAL SPECIFICATION FOR

INSTALLATION OF ABOVE GROUND GI /Cu PIPING

FOR DOMESTIC AND COMMERCIAL CONSUMERS

CONTENTS

Sl.No. Description


2.0 SCOPE OF WORK


4.0 ISSUE OF WORK INSTRUCTIONS


6.0 WORK SHEETS

7.0 PERMISSIONS / APPROVALS


9.0 SAFETY

10.0 RIGHT-OF-USE SURVEY AND MARKING

11.0 PROTECTION OF STRUCTURES AND UTILITIES

12.0 G.I ABOVE GROUND SERVICE PIPE

13.0 Cu ABOVE GROUND SERVICE PIPE

14.0 TESTING OF GI

15.0 INSPECTION

16.0 PURGING & COMMISSIONING

17.0 INSTALLATION OF METERS

18.0 PAINTING OF GI PIPES

19.0 BOX FOR REGULATOR

20.0 CONVERSION OF DOMESTIC APPLIANCES

21.0 RESTORATION

22.0 SUBMISSION OF FINAL RECORDS




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1.1 INTRODUCTION

The main intent of the specification is installation of above ground GI pipes,fittings, valves, meters and regulators, from the outlet of 'PE/GI transitionfitting' up to the DOMESTIC consumers 'Appliance / stove/ oven valve'including the supply of Hose pipe as per the Distribution Schedule enclosedherewith.

The scope for commercial consumer includes installation of above ground GIpipes and associated fittings, valves, regulator up to and including meter.However, the piping may have to be carried out up to Appliance valve, in caseof some commercial customers.

In case of large commercials, completely assembled metering skids would besupplied to the contractor who would be required to install and provide inlet &outlet connection.

This technical specification defines the basic guidelines to develop anacceptable design and suitable construction methodology for carrying outdifferent activities listed out in the schedule of rates of this tender.

Compliance with these specifications and / or approval of any of theContractor’s documents shall in no case relieve the Contractor of hiscontractual obligations.

2.0 SCOPE OF WORK

Generally the following shall constitute the contractor's scope of work:

2.1 Plan and prepare a detailed execution schedule and procedure forimplementation based on QA / QC formats plans issued by BGL.

2.2 Receipt of Appliance Valve, Isolation Valves from BGL 's stores, providingsecurity, and insurance, during and before installation and commissioning ofpipelines. Obtaining the approval for optimum route and permission for workfrom the society/owner, concerned authority and EIC.

2.3 Selection of route and marking on walls / floors between 'transition fitting' to'cooking oven / stove / appliance' making openings and making provisions forfixing clamps. Making temporary but stable platforms / scaffolding / ropeladder etc., required for installation of pipes / fittings at all heights / multistoried flats and locations. Providing safety equipment to workers / plumbers.

2.4 Installation of GI pipes of ½”, ¾”, 1”, 1½” dia. between transition fittings(installed by PE contractor) and customer's kitchen appliances which would




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include NPT threading of pipes, and jointing of fittings such as elbows, tees,connectors, regulators, meters, isolation valves etc., as per laid proceduresand specification including supply of GI fittings & Teflon tapes for sealing ofjoints. Painting of GI Pipes & fittings as per specification, if GI pipe is supplied.Painting of GI fittings only in case painted GI Pipe supplied.

2.5 Installation of Copper pipes of ½” (12 mm) OD from the downstream of Meterupto the isolation valve prior to the customers appliance, including theinstallation of valves including application of lacquer paint etc. to thesatisfaction of EIC.

2.6 Supply & Installation of clamps for fixing pipes, box for regulator whereverrequired, painting of steel pipes & fittings. Providing consumables groutmaterial, repair / restoration of walls / floors / holes including the materialsrequired for conversions along with tools and tackles etc., complete as perspecification.

2.7 Conversion of all types of LPG kitchen appliances to NG based appliancesinclusive of supply of nozzles. Signing of Joint Meter Records (JMRs) withcustomers.

2.8 To demonstrate to the customer regarding use, safety and maintenancerelated aspects of NG based appliances and installations.

2.9 Testing & Commissioning of installations including purging as perspecification and handling over the installation of BGL / customer to the entiresatisfaction of BGL.

2.10 Dismantling of scaffolding / temporary structures and cleaning of site.

2.11 Restoration of walls, flooring and other damages while executing the aboveground installation.

2.12 Preparation and submission of above ground installation card for each house /commercial establishment indicating the list of materials used, reasons of notproviding connections, testing pressure and date etc.. Deviation statements, ifany, on completion / commissioning of work.

2.13 Any other activity (ies) not mentioned / covered explicitly above, but otherwiserequired for satisfactory completion / operation / safety / statutory/maintenance of the works shall also be covered under the Scope of work andhas to be completed by the Contractor within specified schedule at no extracost to BGL.




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3.1 SUPPLIED BY BGL

Unless otherwise specified BGL will supply to the contractor, free of charge,Appliance Valves ¼” & ½” and isolation Valves ½” & ¾” only, necessary tocomplete the laying of above ground service pipes. The contractor shall notuse the said material from any other source of supply other than BGL exceptwith written approval from the EIC.

BGL would also supply metering skid as free issue materials to be installed inlarge commercials.

Free Issue materials are as mentioned below:

GI Pipe – ½”, ¾”, 1” & 1½”

Copper Tube – 12 mm OD & 0.6mm thk

Isolation Valves – ½”, ¾”, 1”, 1½”

Appliance Valves – ¼” & ½”

All types of Meters & Regulators

3.2 SUPPLIED BY THE CONTRACTOR

The contractor to supply all GI Fittings, Valves, Fittings, Clamps,Fixtures for Meters/Regulators etc. and other materials required for saidworks.

The contractor shall provide the labour, tools (such as Hammer Drill, PistonDrill, Pipe cutters, Dies for threading, Pipe wrenches, spanners, all types ofclamps, Plant and equipment necessary for the proper execution of the work.This will include but not be limited to list of specialised tools & tacklesenclosed herewith. Contractor shall submit the specification of all the materialto be supplied by him to EIC for approval and get the material checked &approved by him before commencement of execution.

The contractor is to be procure all bought out items from approved vendorsand accordingly keep BGL informed. The inspection of bought out itemswould be carried out by BGL / Third Party Inspection or as instruction by EIC.




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3.2.1 Plant and Equipment

All vehicular type machinery shall be in good working order and shall notcause spillage of oil or grease. To avoid damage to paved surfaces thecontractor will provide pads of timber or thick rubber under the hydraulic feetor outriggers of machinery.

3.2.2 Sealant, grout

The contractor shall be responsible to arrange the supply of any consumablesealant or ready mix grout material required for execution of work. Thesealant / grout supplied by the contractor shall be compatible with the area tobe restored / rectified. No separate payment for the supply of sealant andgrout shall be made to the contractor.

3.2.3 Clamps, Rawal Plugs, Screws, Nozzles etc.

The Clamps, Rawal Plugs, Screws, Nozzles, etc shall be approved lot wise byEIC prior to installation. Re-drilling of existing appliance nozzles is strictly notpermitted.

The indicative sketch of the Brackets for Meter and GI Pipe Clamps isenclosed herewith.


The contractor shall supply the following items where required.

- All materials required for formwork, NPT threading, testing etc.

- All signs, barricades, lights and protective equipment.

- All material required for working at higher floor levels (i.e., scaffolding,Ladder, safety belts etc.).

- Special consumable such as grease for maintenance of domesticappliances and all paints or painting of G.I pipes, clamps, sleeves,brackets for meters, consumables such as Teflon Tapes, Petrol, diesel,fuels and oils required are to be supplied by the contractor and areincluded for within the rates.

- All minor items not expressly mentioned in the contract but which arenecessary for the satisfactory completion and performance of the workunder this contract.




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4.0 ISSUE OF WORK INSTRUCTIONS

4.1 The contractor will be required to carry out GI installation in the areas whereMDPE laying is under progress. However, testing of GI installation shall bedone in conjunction with laying of MDPE Service Lines to respectivepremises. A general scheme of distribution to domestic consumer is indicatedin the sketch enclosed herewith, for reference. It may vary in case ofindividual and multi-storeyed flats. A general scheme of distribution to smallcommercials consumers is indicated in the sketch enclosed herewith forreference.

4.2 All skilled personnel like plumbers, conversion technicians shall be approvedand certified by EIC. Those who are certified and possess the identify cardsduly signed by EIC shall only be authorised to take up respective jobs. Thecontractor has to arrange the identify cards.

4.3 The rates to be quoted by contractor shall be inclusive of all preparatory / byeworks, platforms, materials, labour, skills , supervision, tools , taxes, duties,levies, salaries, wages, overheads, profits, escalations, fluctuations inexchange rates and no change in the rates shall be admissible during tenancyof the contract.

4.4 The schedule of items of SOR have been described in brief and shall be heldto be complete in all respect including safety requirements as per clause 9.0,tests, inspection, QA/ QC works, enabling and sundry works. The paymentshall be made against completed and measured works only. No extra workswhatsoever shall be considered in execution of these items.


The contractor shall proceed with the work under the contract with dueexpedition and without delay.

The EIC may direct in what order and at what time the various stages or partsof the work under the contract shall be performed.

Weekly progress reports shall be submitted in the formats approved by BGL,indicating broadly the laying, testing, RFC, conversions and extra piping.

Material consumption statement to be submitted at least once a month.

6.0 WORK SHEETS

6.1 The quantities and other details will be checked by BGL 's site engineer andthe same shall be incorporated in measurement cards, signed & dated ascertified on site. The cards will then be approved by the EIC.




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6.2 Measurement sheets shall be prepared based on the measurement cards andchecked and certified by the site engineers for billing purpose.

6.3 If measurement sheets submitted are illegible, incomplete or incorrectlybooked, they will be returned to the contractor.

7.0 PERMISSIONS / APPROVALS

Contractor shall be responsible for obtaining approval from authorities andany other concerned authority, if required for completion of the work.Contractor must take the prior appointment from the resident for carrying outthe work.


The contractor shall carry out the work in accordance with this specification,BGL's Engineering Standards: ASME B31.8 - Gas Transmission anddistribution piping systems; Australian standard 3723 - Installation andMaintenance of Plastics Pipe Systems for Gas; Oil India Safety DirectorateNorms (OISD) and the American Gas Association Document -PurgingPrinciples and Practice. The bought out components/ contractor supply itemsshall be as per the Technical Standards/Specifications notified by PetroleumNatural Gas Regulatory Board(PNGRB).

Should the contractor find any discrepancy, ambiguity or conflict in or betweenany of the Standards and the contract documents, then this should bepromptly referred to the Engineer - in- charge(EIC) for his decision, whichshall be considered binding on the contractor.

9.0 SAFETY

The contractor shall take care of all safety norms applicable for such works atsite. Contractor shall provide all safety appliances e.g., safety helmets,gloves, safety belts, ladders, staging, shoes, goggles etc.

All necessary care shall be taken while working at heights and workmen withproper skills and work permits only shall be deployed. Proper barricading andwarning signs shall be installed. Adequate care shall be taken while takingsupports from balconies, chajjas / protection parapets and like structures to besure of strength and adequacy of the same.

Contractor has to take prior approval while working on Height for installationof GI pipes.( normally height of 1st Floor)

Contractor has to provide Second Line of Safety by ZOOLA or SAFETYHARNESS BELT for the Plumbers.




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No night working shall be permitted, without proper lighting and prior approvalof EIC.

10.0 RIGHT-OF-USE SURVEY AND MARKING

The route of the pipeline to be installed shall be decided with consent of theconsumer and SE / EIC. Contractor must ensure that the persons/ workers/supervisors/workers at site shall have proper identity cards prior to enteringthe premises of the consumer.

No temporary or permanent deposit of any kind of material resulting from thework shall be permitted in the approach and any other position which mighthinder the passage and / or natural water drainage or any area where there isobjection from consumer.

The contractor shall obtain necessary permissions from landowners andtenants and shall be responsible for all damages caused by the constructionand use of such approaches, pavements, gardens, rooms, walls, roof etc., atno extra cost to BGL.

A survey will be conducted jointly by BGL and the contractor at each premisesor housing colony to be supplied. The survey record will note customerdetails, the potential gas supply points and proposed meter positions andestimates of material quantities. The contractor's representatives will make assketch of the agreed pipe routes, if necessary.

The contractor will be responsible for contacting the customer and making thenecessary arrangements for access, and appointments to carry out the work.BGL will not be responsible for any time lost due to broken appointments ordisputes with customers.

The contractor shall confine its operations within limits of the Right - in-use.The contractor shall restore any damage to property outside ROU, attributableto him.

The contractor shall also carryout all necessary preparatory work if needed topermit the passage of men and equipment. Lights, curbs, signs shall beprovided wherever and / or required by the BGL necessary to protect thepublic.

11.0 PROTECTION OF STRUCTURES AND UTILITIES

The contractor shall at his own cost, support and protect all buildings, walls,fences or other structures and all utilities and property which may, unless soprotected, be damaged as a result of the execution of the works. He shall also




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comply with the requirements in the specification relating to protectivemeasures applicable to particular operations or kind of work.

While painting contractor must take care of the consumer premises whilecarrying out the job/ such as spillage on floor, walls, ceilings, sun shades etc.if the same does occur, the contractor is to immediately make good to original.

12.0 G.I ABOVE GROUND SERVICE PIPE

The GI service pipe installation work includes all work necessary to connectfrom the PE / GI transition fitting on the down-stream of the PE service, to thecustomers MCV, including the installation of GI pipes, Clamping, Installationof GI Nipple and insulated valves,. The contractor shall be required to provideall equipment, tools and materials necessary to execute the work in anefficient and effective manner. Amongst other things he will be required toprovide ladders, scaffolding pipe, dies, tripods, vices, fittings and teflon tape,drills for concrete and other masonry, drills for timber and laminated surfacesinside customers property, bending tools, clamps, sleeves to facilitate the pipepassing through floors and walls, paint for pipe marking etc. GI pipes, fittings,valves and regulator shall be provided by BGL .

All GI risers on the outside of buildings shall be fully supported to carry theweight of piping. Risers shall be supported by a flanged foot, or similar device,capable of supporting the total weight of the riser. The riser shall rise in avertical line from its point of support to its highest point with a minimum ofchanges in direction. The threading of GI pipe shall be NPT and conforming toASME / ANSI B1. 20.1.

Contractor has to supply different types / sizes of approved clamps (MildSteel) for fixing GI pipes suiting to the site conditions and the same shall bepainted before fixing, as per the painting specifications. Every fresh lot of theclamps, brackets, regulators boxes and other consumables shall be approvedby the EIC prior to start of installation. All riser and lateral pipe shall beclamped to the building at intervals not exceeding two meters.

Where pipe passes through a balcony floor, the floor surface shall be madeslightly elevated around the service pipe or its surrounding sleeve to preventthe accumulation of water at that point. Where a short piece of sleeve is usedaround the gas pipe, the sleeve should be embedded in the concrete with amix of mortar and the void between the pipe and sleeve filled with a suitablesealant. The sealant should be bevelled such as to prevent an accumulationof water. Supply of clamps for all sizes of the GI pipes are in contractor’sscope. Contractor has to take prior approval for design of clamps, paintingsetc.




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Pipe shall preferably enter a building aboveground and remain in a ventilatedlocation. The location for entry shall be such that it can be routed to the usagepoints by the shortest practicable route.

There will not be separate rate for installation of GI pipes The Pipe installationincludes supply of all fittings, Flexible hoses, clamps, etc. The rate will be onthe basis of connection or Installation of Meter control Valve, Installation ofMeter and Regulator and Final conversion of Domestic/ commercialburner/Hot plate.

Contractor has to submit all the required documents along with RA BILL.

13.0 COPPER ABOVE GROUND SERVICES PIPE

The Copper service pipe installation work includes all work necessary toconnect from the downstream of Meter up to the isolation valve prior to thecustomers appliance, including the installation of valves (except meters forwhich separate rate shall be paid as per SOR item no. 2.3 of the SOR),including application of lacquer paint etc. The contractor shall be required toprovide all equipment, tools and material necessary to execute the work in anefficient and effective manner. Amongst other things he will be required toprovide ladders, scaffolding pipe, drills for concrete and other masonry, drillsfor timber and laminated surfaces inside customers property, bending tools,clamps, sleeves to facilitate the pipe passing through floors and walls, etc.Copper pipes, fittings, valves and regulator shall be provided by BGL.

During installation the COPPER pipe is to be cut to proper length with a tubecutter, the burrs removed with a file, cleaning of outside surface of pipe &inside surface of fitting, applying flux to the tube and fitting around the outer /inner ends, inserting the tube in to the fitting, applying heat to the assembledjoints using conventional Blow torch to melt Solder wire and lacquering. Thedetailed steps to be followed for COPPER tube installation is enclosed atANNEXURE.

Lacquer is to be applied to the copper tubes by mixing lacquer with thinner inapproved proportions and applied by dipping method or with brush. It shouldbe applied only once at a time and drying time of minimum one hr. is to begiven.

Contractor has to supply different types / sizes of approved clamps for fixingCOPPER pipes suiting to the site conditions and the same shall be painted, ifrequired, before fixing, as per the painting specifications. Contractor has totake prior approval of EIC for quality of the clamps, solder, flux, lacquer,thinner etc. The approval shall be taken for every fresh lot of clamps from EICbefore installation at site.




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All riser and lateral pipe shall be clamped to the building at intervals notexceeding one meter.

Where pipe passes through a balcony floor, the floor surface shall be madeslightly elevated around the service pipe or its surrounding sleeve to preventthe accumulation of water at that point. Where a short piece of sleeve is usedaround the gas pipe, the sleeve should be embedded in the concrete with amix of mortar and the void between the pipe and sleeve filled with a suitablesealant. The sealant should be beveled such as to prevent an accumulation ofwater. Supply of clamps for all sizes of the COPPER pipes is in contractor’sscope. Contractor has to take prior approval for design of clamps, paintingetc.

Pipe shall preferably enter a building aboveground and remain in a ventilatedlocation. The location for entry shall be such that it can be routed to the usagepoints by the shortest practicable route.

After installation of the entire piping system, final painting shall be done to thesatisfaction of EIC.

14.0 TESTING OF GI INSTALLATION

14.1 The GI installation from downstream of Transition fitting to Meter control valve(except meter) shall be tested at a TWO (2) times of the operating/WorkingPressure for a hold period of 1 hours and all the joints shall be checked withsoap solution.

14.3 The Cu pipe from meter to the appliance valve shall be tested on TWO timesof working pressure for a period of 5 minutes. The adaptor joints of metershall be tested online with soap solution after completion of the work. Propertest ends shall be made along with gauges and got approved by EIC. Valvessupplied by BGL, shall not be used for testing purpose.

14.4 The calibrated pressure gauges of suitable range shall be supplied by thecontractor for testing.

14.5 The pressure gauges shall be calibrated from time-to-time as desired byEngineer-In-charge but positively once in every six months.

14.6 The details of testing shall be properly recorded in the measurement cards

15.0 INSPECTION

Any defect noticed during the various stages of inspection shall be rectified bythe contractor to the entire satisfaction of Engineer-in-Charge beforeproceeding further. Irrespective of the inspection, repair and approval at




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intermediate stages of work, contractor shall be responsible for making goodany defects found during final inspection/ guarantee period/ defect liabilityperiod as defined in general condition of contract.

16.0 PURGING & COMMISSIONING

Payment for the tapping of live mains and GI piping prior to the actual purge isincluded in normal laying & testing. The connection may involve the fitting of atemporary bypass, disconnection etc. Purging shall be carried in accordancewith the principles defined in the American Gas Association Publication"Purging Principles and Practice".

In addition the contractor shall submit and have approved Purging Plan beforecommencing any purging work. The plan shall include, but not be limited tothe provision of the following materials and equipment : personal safetyequipment, fire extinguisher, Purging adapter, Purge stack with flame trap andgas sampling point, Gas sampling equipment (may be gas leak detector),squeeze-off tool, Polyethylene connecting pipe work etc.

The plan shall also include the purging process along with detail on thesequence of events. The process is to also specially / mention the need to laya wet cloth over the GI pipe and in contact with the ground, to disperse staticelectricity during the purging work.

A purging stack with flame trap shall be used when purging services. Careshall be taken to ensure that the purge outlet is so located that vent gascannot drift into buildings.

The purging work should be performed as follows:

- Ensure the method of purging is such that no pockets of air are left inany part of the customer's piping.

- Ensure that all appliance connections are gas tight, all appliance gasvalves are turned off and there are no open ends.

- Where possible, select an appliance with an open burner at which tocommence the purge i.e., a hotplate burner.

- Ensure the area is well ventilated, and free from ignition sources.

- Ensure branches that do not have an appliance connected are fittedwith a plug or cap.

- Turn on one burner control valve until the presence of gas is detected.A change in the audible tone and smell is a good indication that gas is




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at the burner. Let the gas flow for a few seconds longer, then turn offand allow sufficient time for any accumulated gas to disperse.

- Turn on one gas control valve again and keep a continuous flame atthe burner until the gas is alight and the flame is stable.

- Continue to purge until gas is available at other appliances.

17.0 INSTALLATION OF METERS

The work in this section includes:

17.1 Installation of domestic and non-domestic / small commercial meters withassociated inlet and outlet connections, on the wall with approved meterbrackets and angles. This work is payable under Item No. 2.2 .

17.2 Supply of approved meter brackets and angle brackets, properly painted withone coat of Zinc primer and two coats of synthetic enamel paint of approvedmake. A sketch of the brackets is enclosed herewith. It is required that onesample of each type of bracket is got approved beforehand.

17.3 Firmly securing the meters on the wall with good quality supply of properrowel plugs, screws etc. In case the rowel plugs are not holding than woodenblocks or other fixing arrangements like cement etc. to be used for propergrouting.

17.4 The same rates of SOR Item 2.2 will apply irrespective of whether the meter issituated inside or outside the property. Where a bank of meters is constructedthe rate shall be for each complete meter installed.

17.5 The above activities along with restoration of the area to original shall becarried out to the complete satisfaction of consumer and EIC.

18.0 PAINTING OF GI PIPES (if supplied without painting) & Fittings

The entire length of the pipeline along with fittings and clamps are to bepainted after proper surface preparation and painting as follows.

One coat of Primer application (Appropriate Zinc based primer)

Two coats of synthetic enamel paint – canary yellow of minimum of 30microns per coat of reputed make like Asian, Berger, Nerolac.

All painting materials including primers and thinners brought to site bycontractor for application shall be procured directly from manufacturers/dealers as per specifications and shall be accompanied by manufacturer's testcertificates. Paint formulations without certificates are not acceptable.




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Engineer-in-Charge at his discretion may call for tests for paint formulations.Contractor shall arrange to have such tests performed including batch wisetest of wet paints for physical & chemical analysis. All costs there shall beborne by the contractor.

The painting work shall be subject to inspection and certification by Engineer-in-Charge at all times.

After installation of the entire piping system, final touching shall be done to thesatisfaction of EIC.

19.0 BOX FOR REGULATORS

Boxes will be supplied and installed outside for Service/Domestic/Commercial regulators after due approval of the sample. The boxes will beinstalled as per requirement and as per instructions of BGL.

The box brackets are to tightly secured to the wall with good quality properRowel plugs, screws etc. Wooden blocks to be used in case rowel plugs, donot hold properly.

All the boxes shall be thoroughly cleaned, painted with approved colour code.

As the boxes are installed outside it is to be ensured that they are paintedproperly to avoid rusting / weathering.

A sketch of regulator box is enclosed herewith.

20.0 CONVERSION OF DOMESTIC APPLIANCES

The work in this section includes,

- The changing of nozzles and associated controls in accordance withmanufactures instructions for both domestic and imported burners/ovens/grills/hotplate.

- The changing of old appliance connection hoses and nozzles and re-greasing taps as necessary.

- The contractor has to supply all types of nozzles / jets required for alltypes of appliances including imported burners, Grills, Ovens.

- Cleaning and performing minor maintenance of appliances.

- Testing for gas escapes and the soundness and performance of theappliance.




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- Instructing the customer in the safe use of natural gas and for fixing ofsafety and conversion labels.

- Contractor must attend the complaints regarding appliances till the totalarea is handed over to BGL ’s operation and maintenance.

- All consumables (Nozzles, greases etc.) are in contractor’s scope.

- Changing or repairing of any items damaged during conversion.

- Supply and installation of steel braided hose (Suraksha or equivalentas per ISI standard), wherever required as per the EIC instructions.

It may be noted that the rates will apply to all appliance found in bothdomestic and commercial premises. The contractor will be required under theRates to provide both Pin gauges and standard sized nozzles.

21.0 RESTORATION

Contractor has to restore the area where ever he has carried out drilling,clamping etc. to its original condition to the satisfaction of the consumer andto ensure no passage to the premises and seepage. If the work was carriedout in Govt. Flats (PWD), contractor has to restore the area according toCPWD specifications. For government flats the contractor has to obtain aclearance certificate form the concerned authorities maintaining the flats, aftercompletion of the work.

Where slabs and brick work are to be reinstated, the level of the compactedsub base is to be adjusted according to the slab / block thickness. The slabsor brick work should be laid on moist bedding material, which should begraded sand, mortar or mortar mix. The slabs or brick work should be tappedinto position.

The restored slabs or brick work should match the surrounding surface levels.Joint widths should match the existing conditions, and be filled with a dry orwet mix of mortar.

Wherever any items of the consumer is damaged / broken during working, thesame will be made good or replaced to the total satisfaction of the consumer.

The contractor will be responsible for the maintenance of all restorationcarried out, for the duration of the contract guarantee period.

The contractor is to ensure the restoration work is properly supervised, andthat the material used is suitable for the purpose and proper. Where therequired standards are not achieved the contractor will be required to replacethe defective reinstatement work.




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Note that Payment for GI piping will only be authorised on satisfactoryrestoration, and where the sites has been cleared of all surplus materials etc.,

22.0 SUBMISSION OF FINAL RECORDS

Contractor shall submit the following documents in three sets each:

a) Total list of houses & commercial establishments in the area allotted tohim giving details of connections provided & reasons where connectioncould not be given / completed.

b) The details recorded in measurement cards of every domestic house.

c) Details of houses where extra piping done along with materials used.

d) Total material consumption report.

e) Material reconciliation with respect to the materials issued.

f) Test reports & test certificates of gauges etc.

g) Any other documents / records required.




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Technical Specification for MDPE Electro Fusion Fittings

Document No: BGL/ENG/PE/05

1.0 SCOPE:These specifications are for Electro fusion Fittings for use on Polyethylene pipesystems carrying natural gas at operating pressure up to 6 bar. This specification isimited up to nominal diameter of 225 mm and working temperature of 0 to 50 oC.

2.0 REFRENCE STANDERDS:

EN 1555 Plastic piping systems for combustible gas distribution, Polyethylene.

ISO 14885 Polyethylene pipes for supply of Gaseous fuels specifications.

3.0 DEFINITIONS:

3.1 Electro fusion:

This term covers all injected moulded polyethylene accessories equipped with aheated element designed to transform electrical energy in to heat to create selfwelding.

3.2 END TO END WELDING:

This term describes injection moulded polyethylene accessories with smooth endsbut not equipped with integrated heating elements. These are connected to thenetwork by end to end welding using electro fusion sleeves.

In certain cases the accessories can also present one or more electro fusion ends. Insuch cases the accessories will provide for the requirement of each connection endin shape, measurement and technical characteristics.

3.3 GENERAL:

These specifications are based on the series of EN 1555 standards. The accessorydescribed in document complies with all prescriptions included in EN 1555.

4.0 MATERIAL:

The material used for manufacturing of the accessories must confirm to therequirements demanded for components used in gas fuel distribution system. Allfittings shall be electro fusion fittings only. The wall thickness of the fittings shall bemore or equal to the wall thickness of the pipes to be joined.

The raw material used for accessory production shall be in compliance with EN 1555and as per the BGL standards BGL/ENG/PE/02.

The raw material shall be class PE 100 only.




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5.0 APPERIANCE AND FINISH

The internal and external surface of accessory must be smooth, clean and free of allscratches, pitting and other surface faults that may reduce the performance of electrofusion fittings.

No element of any accessory must show any signs of damages, scratching, piercing,blisters, bloating, denting, holes, cracks, or other faults that can reduce requiredperformance.

6.0 COLOUR:

Fitting shall be ORANGE in colour.

7.0 JOIN APPERANCE:

After welding, when examined visually the internal and external surface of pipes andaccessories must appear free of welding exudation outside the accessory limit.Internal surface of all adjacent piping must remain identical to the previous conditionbefore welding.

8.0 ELECTRICAL CONNECTIONS:

Electro fusion fittings will be supplied with standard shrouds for manual operationswith geometry as per drawing no Drg/PE/01.This system is equipped with anappropriate electrical protection for the voltage and the intensity of the current in useand adapted to the characteristics of the electrical line.

The power required for the electro fusion accessory welding must not exceed 3KWduring welding operations.

The terminal pin size will be 4.7 mm

The connector terminal surface must offer minimum possible contact resistanceduring voltage cable joining.

All fitting shall be fused at 39 – 40V.

9.0 OPERATING CONDITION:

The supplier shall confirm that fittings will operate at ambient temperature of up to 50oc. without any alteration to the standard fusion time.

10.0 MARKING:

Electro fusion fittings will be supplied with an individual labels attached showingfusion time, cooling time, and fitting size ( and have the information embossed).Fitting shall be indelibly marked with the manufacturers name or trade mark,production batch number to enable the traceability of quality control records.




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All marking must be permanently legible for the product life under standard stockingconditions, exposure to external weather conditions, treatment, installation, and use.All electro fusion fitting shall be bar coded. The bar coding shall be such way that thebar code reader can directly transform fusion data to the control unit.

Marking quality and size must be a standard that can be read with naked eyes only.

The SRD pipe ranges that are to be fitted with these accessories must be clearlymarked on the fittings.

11.0 PACKAGING AND DELIVERY:

Electro fusion fitting shall be supplied in individual, sealed clear polythene bags orcardboard boxes.

All boxes and plastic sheeting must be marked with at least one label showing themanufacturer’s name, the product type, part measurements, and number of singleparts contained in the box or bag.

12.0 INSPECTIONS:

1.0 BGL representative or Third Party Inspection agency appointed by BGL shallcarry out stage wise inspection during manufacturing/final inspection.

2.0 Vendor shall furnish all the material test certificates, internal test reports asper specified codes for 100% material at the time of final inspection of eachsupply lot of material.

3.0 Control checks and number of test must be carried out as per the standardEN -1555 -3 and the selection of sample will be as per the Annexure – I.

4.0 The manufacture must carry out control checks for Appearance or colour,Measurements, Hydraulic testing’s, Electrical resistance, marking.

5.0 Hydraulic testing must be continued until the rupture of at least two testsamples for each set of tests.

6.0 Even after Third Party inspection, BGL reserves the rights to select a sampleof fittings randomly from each manufacturing batch and have theseindependently tested. Any requirement not supplied will lead to the refusal ofthe complete batch. If the batch is refused the same batch can be presentedfor approval again after a control check. However the demand of the counterchecking will be double the number of samples previously tested.

7.0 All PE fittings are guaranteed for one year period after application for use, ormaximum for three years from date of manufacturing.




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13.0 Documents:

Along with the shipment of material the vendor should furnish THREE copies of thefollowing documents,

1.0 Test certificates / results of all tests that are carried out in accordance withmanufacturing standards and as per the manufacturer’s quality controlprocedure.

2.0 Inspection release note issued by third party inspection agency, If any.3.0 Test certificate for raw material.4.0 The quality assurance plan for manufacturing of Electro fusion fittings.5.0 Procedure for Electro fusion or welding instructions along with various

equipments.

ANNEXURE – I

The selection of samples to carry out various tests as per the standards EN 1555 – 3 are,

Sr No Characteristics Number of sample Number ofmeasured sample

1 Appearance / Colour 10 12 Measurements 10 13 Thermal Stability 1 14 Melt mass flow rate 1 15 Electrical resistance 5 16 Cohesion resistance 2 17 End to end seam

resistance2 1

8 Shock resistance 1 19 Load loss 1 1

10 Marking 1 1




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Technical Specifications for crimping fittings


1.0 SCOPE:

This specification specifies the requirement for materials, design performance andtesting of mechanical fittings in the nominal size range 20mm to 180 mm inclusive foruse with polyethylene pipe carrying natural gas at operating pressure up to 6 bar andtemperature 50 oC.

This specification applies to compression, crimped or flared fittings.

2.0 REFRENCES:

This specification makes references to number of other standards and documents.The latest editions of these documents, including all added and revisions shall apply.

3.0 MATERIAL:

The fittings shall be suitable for carrying natural gas at variable pressure. Materialused in fittings shall comply with the following requirements,

(a) Materials for elastomeric seals shall be to BS 2494.

(b) Copper alloy components shall be to BS 1400 grade LG2 or LG4.

(c) Components in malleable iron shall be to IS 2108.

(d) Components made from other materials shall be to a specification which hasbeen submitted to and approved by Bhagyanagar Gas Ltd.

4.0 DESIGN REQUIREMENTS:

Fittings shall be suitable for use with pipe of SDR 11 and SDR 17.6 and SDR 9.

Fittings including brackets and fixings shall be suitably protected against corrosionand deterioration during storage, installation and operation.

The design of the fittings relies on the radial compressive forces on the pipe forsealing an internal pipe support linear shall be used. The design of the linear shalleliminate the possibility of gouging the PE pipe bore either during assembly or duringservice.

Fittings shall be designed for use above ground only for connecting PE riser to asteel or galvanised iron pipe or fittings.




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Each production fittings supplied shall be pre assembled with to a 3 meter length ofPE pipe.

Any alternative in design may be proposed by the supplier for consideration as avariant by BGL.

5.0 TESTINGS:

The test in this specification shall be carried out on the fittings pre assembled by thesupplier.

5.1 Hydrostatic Test :

While testing the specimen the assembly shall withstand a minimum holdpressure of 10 bar at a temperature of 20oc +/- 2oC for a period of 1 hourwithout leakage.

5.2 Pneumatic Test:

While testing the specimen the assembly shall withstand a pneumaticpressure of not less than 6 bar for a period of 1 hour without leakage. The testtemperature shall be 23oC +/- 3oC. This test shall be carried out usingcompressed air or a regulated nitrogen supply.

Leak detection shall be by immersing the specimen in a bath of clean water ata depth not greater than 250 mm or by regular and frequent checks using asapproved leakage detection fluid.(Soap solution)

5.3 Pull Out Test:

A tensile axial load shall be applied between the PE and the fittings under testat a cross head speed of 25 mm minimum until a distinct localised reductionin the diameter of the PE pipes occurs.

The test temperature shall be recorded along with the maximum load appliedin an accuracy of +/-10%.

After completion of Pull Out test a pneumatic test shall be carried out for thesame specimen.

When tested for Pull Out test the pipe and assembly,(a) Shall not fracture within the jointed assembly,(b) Shall withstand the pneumatic pressure leak test.(c) Shall not leak.




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6.0 PROCESS CONTROL:

The supplier shall ensure that all materials and the dimensions of componentscomply with the approved drawings.

Batch acceptance shall be carried out by the supplier. Each production batch shall besampled and tested in accordance with clause no 5.0. The sample size shall beagreed in advanced by Bhagyanagar Gas ltd.

The supplier shall maintain records of all process control test results and BGLreserves the right to inspect such records without prior notice.

7.0 INSPECTION:

Inspection shall be carried out as per BGL technical specifications. BGLrepresentative or Third Party Inspection agency appointed by BGL shall carry outstage wise inspection during manufacturing and at the final inspection.

Vendor shall furnish all the material test certificates, internal test / inspection reportsas per BGL specification and specified codes for 100% material, at the time of finalinspection of each supply lot of material.

Even after Third Party Inspection, BGL reserves the rights to select a sample offittings randomly from each manufacturing batch and have tested independently. IFthe results of these tests falls outside the limit, BGL reserves the right to reject allproduction supplied from the same batch.

8.0 DOCUMENTATION:

After completion of various tests the supplier has to submit the following documentsat BGL office.

(a) The report of all tests.(b) A set of drawings showing all information like dimensions, material finishes etc.(c) Manufacturing and Assembly techniques.

All test results and drawings shall be signed by the supplier.

9.0 MARKING AND SHIPMENT:

The crimping fittings manufactured to this specification shall be permanently markedby the manufacturer. The following information shall be marked on the fittings,(a) The name of the supplier.(b) The PE pipe size.(c) The batch Number.




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The supplier shall ensure that the assembled fittings are packed and shipped so thattheir quality is not impaired during transit or storage. The supplier has to supply allthe crimping fitting along with the PE pipes at BGL’s HYDERABAD Store.




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Technical Specification for Galvanised Iron (G.I.) Pipes


1.0 SCOPE:

The Specification covers the requirements for G.I. Pipes medium grade. Unlessmodified by this specification, requirement of IS 1239 (part-1) shall be valid.

2.0 MATERIAL:

The material used for manufacturing of G.I. Pipes shall confirm to IS 1387:1967.

3.0 DIAMENSIONS AND DIMENSIONAL TOLERANCES:

The dimensions and nominal mass of tubes shall be in accordance with Table 2subject to the tolerances permitted in CL 8.1 and 9 of IS 1239 (Part -1)

4.0 THREADS:

Unless specified otherwise, tubes shall be supplied screwed with taperthreads.

External threads shall be tapered and confirmed to ASME B1.20.1 or BS 21. For checking conformity of threads gauging practice in accordance with

ASME B1.20.1 or BS 21

5.0 FREEDOM FROM DEFECTS:

On visual examination the outside and inside surfaces of pipes shall smooth and freefrom defects such as cracks etc.

6.0 GALVANISING:

Pipes shall be galvanised to meet the requirement of IS 4736:1986.

Zinc confirming to any grade specified in IS 4736:1986 shall be used for thepurpose of galvanising.

Galvanising Bath: The molten metal in the galvanising bath shall contain notless than 98.5% by mass of zinc.

Coating Requirement: Mass of coating shall be 400 gms/m2.

Freedom from Defect: The zinc coating shall be uniform adhered, reasonablysmooth and free from such imperfections as flux, ash bore patches, blackspots, pimples, lumpiness runs, rust strains, bulky white deposits, andblisters.




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Criteria for Samplings: All materials of same type in coating bath havinguniform coating characteristics shall be grouped together to continue a lot.Each lot shall be tested separately for the various requirement s of thespecifications. The number of units to be selected from each lot for the testingpurpose shall be as per IS:4736:1986

The sample selected according to clause 6.1 and 6.2 of IS 4736 – 1986.

The sample found confirming to above requirements shall then be testedmass of zinc coating in accordance with clause no 5.1 of IS 4736 -1986.

Criteria for conformity: AS per IS 4736 -1986.

Test procedure as per IS 4736-1986.

7.0 POWDER COATING:

Pure polyester coating to be done on Galvanised pipes as per BGL specifications.

8.0 PRESSURE TEST

Hydrostatic pressure test shall be carried out at pressure of 5 Mpa. Vendor to submitthe internal pressure test certificate for the same. If required, BGL representative orThird Party Inspection agency appointed by BGL shall witness finished goods testingas per the sample procedure specified in clause no 14 of IS 1239 (part – 1).

9.0 MARKING

Each pipe shall be EMBOSSED with manufacturers name or trade mark and the sizedesignation at the interval of not more than 2 meters.

Each packing containing pipes shall carry the following stamped or written byindelible ink.

a) Manufacturer name and trade mark.b) Designation of pipe.c) Lot number.

Each pipe confirming to this standard shall also be marked with BIS standard mark.

10.0 INSPECTION/ DOCUMENTS

Inspection shall be carried out as per BGL specifications.




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BGL representative or Third Party Inspection agency appointed by BGL shall carryout stage wise inspection during manufacturing / final inspection.

Vendor shall furnish all the material test certificates, proof of approval, licence fromspecified authority as per specified standard, if relevant internal test / inspectionreports as per BGL technical specifications and specified code for 100% material, atthe time of final inspection of each supply of each lot.

Even after Third Party Inspection BGL reserves the rights to select a sample offittings/ pipes randomly from each manufacturing batch and have theseindependently tested. Should the result of these testes fall outside the limits specifiedin BGL technical specifications. Then Bhagyanagar Gas Ltd reserves the rights toreject all production supplied from the same batch.




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Technical Specification for G.I. fittings


1.0 SCOPE:

This specification cover the requirement for Malleable Cast Iron Fittings unlessmodified by this specification, requirement of IS 1879 – 1987 shall be valid.

2.0 MATERIAL

The material used for manufacturing of malleable cast iron fittings shall confirm to IS2108 – 1977 grades BM 290.

3.0 DIMENSIONS AND DIMENSIONAL TOLERSNCES

Dimensions of various types of fittings shall be as specified in section 2 to 10of IS 1879 – 1987, as applicable.

Wall thickness of fittings and tolerances on them shall be as given in table 1.2of IS 1879 – 1987.

In case of reducing fittings. The dimensions at each outlet shall be thoseappropriate to the nominal size of the outlet.

Elbows, Tees, Sockets and caps shall be of reinforced type.

4.0 THREADS

(a) Out let of fittings shall be threaded to dimensions and tolerances asspecified in IS: 554 – 1975.

(b) All internal and external threads shall be tapered.

(c) For checking conformity of threads gauging practice in accordance withIS: 8999 – 1979 shall be followed.

(d) The outlet of fittings shall have chamfer. The chamfer shall have anincluded angle of 90° ± 5° for internal threads and 70° ± 10° for externalthreads.

5.0 FREEDOM FROM DEFECTS

On visual examination, the inside and outside surfaces of fittings shall be smooth andfree from any defects such as cracks, injurious flaws, fine sand depth etc.




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6.0 GALVANIZING

(a) Fittings shall be galvanized to meet the requirements of IS : 4759 – 1996.

(b) Zinc confirming to any grades specified in IS: 209 – 1992 or IS: 13229 –1991 shall be used for purpose of galvanizing.

(c) Galvanizing Bath: The molten metal in the galvanizing bath contain shallnot less than 98.5% by mass of zinc.

(d) Coating Requirements: Mass of coating shall be 700 gms / m².

(e) Freedom From Defects: The zinc coating shall be uniform adhered,reasonably smooth and free from such imperfections as flux, ash barepatches, black spots, pimples, lumpiness runs, rust stains. Bulky whitedeposits and blisters.

(f) Sampling:

i) All materials of the same type in coating bath having uniformcoating characteristics shall be grouped together to constitutea lot. Each lot shall be tested separately for the variousrequirements of the specifications. The number of units to beselected from each lot for the testing shall be as given in table2 of IS: 4759 – 1996.

ii) The sample selected according to column 1 and 2 of table 2,IS: 4759 – 1996 shall be tested for visual requirements as perclause no 6 (e).

iii) The sample confirming to above requirements shall then betested for mass of zinc coating in accordance with clause 9.2of IS: 4759 – 1996.

iv) Criteria for conformity: As per clause 8.3 of IS: 4759 – 1996.

v) Test procedure shall be as per clause 9 of IS: 4759 – 1996.

7.0 PRESSURE TEST

Pneumatic pressure test as per clause 11.lb of IS: 1879 – 1987 shall be carried outon each and every fitting. Vendor to submit the internal quality control certificate for




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the same. BGL or Third party inspection agency appointed by BGL shall witnesspneumatic testing as per the sampling procedure specified in IS: 1879 – 1987.

8.0 COMPRESSION TEST

Compression test shall be carried out as per clause 12 of IS: 1879 -1987.

9.0 SAMPLING

BGL representative or Third Party Inspection agency appointed by BGL shall witnessthe tests as per clause 14 of IS: 1879 – 1987. However vendor shall perform 100%inspection of Visual, Dimensional, and Pressure test. Vendor shall furnish Internaltest certificates at the time of final inspection by Bhagyanagar Gas Ltd.

10.0 POWDER COATING

Pure Polyester coating to be done on Galvanized fittings as per BGL technicalspecification for Powder coating no: BGL/ENG/PE/08.

11.0 MARKING

Marking shall be done as per BGL guidelines.

Each fitting shall be embossed with manufacture’s name or trade mark and the sizeof designation.

Each fittings confirming to this standard shall also be marked with BIS standard markover and above BGL’s requirement.

12.0 INSPECTION:

Inspection shall be carried out as per BGL Technical specifications.

Vendor shall furnish all the material test certificates, proof of approval, from specifiedauthority as per specified standard.

BGL reserves the right to select the sample of fittings from each batch and getindependently tested as per technical specification. BGL reserves the right to rejectthe production if it is not falling within the specified limit of testing as per standards.




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Technical Specification for Copper Fittings


1.0 SCOPE

This specifications covers the requirements for Copper Capillary fittings (Presolder),half hard, unless modified by this specification, requirements of BS 864 shall be valid.

2.0 MATERIAL

The material used for manufacturer of copper capillary fittings shall confirm to BS EN1057- 1996, Half Hard.

Material used for the solder should confirm to BS 219 or equivalent and lead free.

3.0 DIMENSIONS AND DIMENSIONAL TOLERANCE

Dimensions tolerances of various types of copper capillary fittings ( Presolder) shallbe as per BS 864 part – 2 ( latest edition). Open tolerances on dimensions shall be ±0.1 mm.

4.0 CARBON IN BORE

The internal surface of copper capillary fittings for soldering or brazing shall notcontain any detrimental film nor present a carbon level high enough to allow theformation of such a film during installation. The maximum total carbon level oninternal surfaces shall not exceed to 1.0 mg/dm² when tested in accordance with thespecification.

5.0 FREEDOM FROM DEFECT

The fittings shall be free from internal fins or other irregularities which might restrictthe free flow of fluid and shall be so designed that resistance to the flow of fluidthrough the fittings in minimised.

6.0 PRESSURE TEST

All fittings shall be leak tested at a pressure of 1 bar for a period of 2 minutes and noleakage is permitted during this period.

7.0 MARKING

Each fitting shall be embossed with the manufacturers name and trademark. Eachpackage containing fittings shall carry the following stamped or written in indelibleink,

a. Manufacturers name or trademark.




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b. Designation of fitting.c. Lot Number.

8.0 INSPECTION

Inspection shall be carried out as per BGL technical specifications.

Stage wise inspection shall be carried out by BGL representative or Third PartyInspection agency appointed by BGL.

Vendor shall submit all the material test certificates, various approvals from specifiedauthority as per specification or standard to BGL representative at the time of finalinspection or as required.

BGL reserves the right to reject the production supplied by vendor if test carried arenot within the limit of specifications.




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Technical Specification for Copper Pipes


1.0 SCOPE

This specification covers the requirements for 12 mm OD x 0.6 mm wall thicknesscopper pipes, Half hard. Unless modified by this specification, requirement of BS2871 – part I or BS EN 1057 (Latest) shall be valid.

2.0 MATERIAL

The material used for manufacturing of copper pipe confirms to BS EN 1057,(Latest)Grade Cu – DHP or CWO24A.

Mechanical Properties:

(a) Ultimate tensile strength : 235N / Sq.mm(min)(b) Elongation : 30%(mm)

Copper should have adequate hardness to facilitate rigidity in installation.

3.0 DIMENSIONAL TOLERANCE

The mean outside diameter of the tube should not vary from the specified outsidediameter by more than the amount of tolerance specified in table X and Y or Z ofBS:2871, part – I.

The mean outside diameter is half the sum of two diameters at right angles on onecross section of the tube. Open tolerance on the dimensions shall be ± 0.1 mm.

The length of the tube should be 3.0 meter. Any deviation in the length of tube shouldbe approved by BGL.

4.0 MANUFACTURE

The tubes shall be solid drawn by the process of melting, extrusion and redrawingand thereafter bright annealing. The ends shall be cut clean and square with the axisof the tube in no case shall tubes be redrawn from used tubes.

5.0 FREE FROM DEFECTS

The tubes shall be free from internal and external fins, flaws, skin defects, blow holesetc or other irregularities which might restrict the free flow of fluid and shall be sodesigned that resistance to the flow of fluid through the tubes is minimised.

The tubes shall be supplied 100 % Eddy current tested.




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6.0 PRESSURE TEST

All tubes shall be leak tested at a pressure of 1 bar for a period of 2 minutes and noleakage is permitted during this testing period. All the remaining testing shall be doneas per BS 2871 Part – I( latest)

7.0 BENDING TEST

Bending test should be carried out (90° and 180°) under current operating conditionusing appropriate bending machine.

There should not be formation of wrinkles, cracks or any defect on the tube duringand after the test.

8.0 MARKING

Each pipe shall be embossed with manufacturer name or trademark.

Each package containing pipes shall carry the following stamped or written inindelible ink.

a. Manufacturer name or trademark.b. Designation of pipes.c. Lot Number

9.0 INSPECTION

Inspection shall be carried out as per BGL technical specification.




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Technical Specification for Warning tape


1.0 SCOPE

This specification refers to the grid of plastic material film which is laid in the groundabove the gas pipelines, in order to indicate the presence of natural gas pipeline.

2.0 MATERIAL

The warning grid shall be made of Polyvinyl chloride or polyethylene and shall becoloured throughout.

The ultimate tensile strength of film should not be less than 12N/mm².

3.0 COLOUR

The grid should be of a bright YELLOW colour. This colour must not take anyappreciable alteration in the course of time.

4.0 DIMENSIONS

The warning grid should have following dimensions,

Width : 200 ± 5 mm

Thickness : 300 microns

5.0 MARKING

The marking on the film should be as approved by BGL.

6.0 TESTS

The manufacturer shall proceed with the following test.

Colour – fast test

The test specimen of 100 – 150 mm long shall be immersed in 20% solution ofammonium sulphate for a period of 15 days. The test should be carried out at atemperature of 15 to 20°C.

The colour fastness shall be evaluated by comparing the test specimen with asample specimen; the comparison shall be made by placing the two specimens on awhite background, in daylight, but without exposing them directly to sunlight.




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The test shall be deemed satisfactory if the colour of the strip remains intact.

7.0 PACKAGING

The warning grid/tape shall be delivered in rolls of 200 meters.

8.0 INSPECTION

Inspection shall be carried out as per BGL specifications.




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Technical Specification for Flux


Flux should be Non Acidic, Lead free as per ANSI or equivalent standard.

The flux should be supplied in paste form packed in small tin container of 500 gmsand should have compatibility to use with solder wire.

Certificate of confirmation with the specified standard and relevant material testcertificate should be furnished by vendor.

Vendor should supply branded material only.

Technical Specification for Solder Wire


Solder wire 3.25 mm, lead free and should be as per BS 219 or equivalentstandard.

Should wire should be supplied in 500 gms coil.

Certificate of confirmation with the specified standard and relevant material testcertificate should be furnished by vendor.

Vendor should supply branded material only.




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Technical Specification for Brass Fittings


1.0 SCOPE

This specification covers the requirement for Brass Fittings, unless modified by thisspecification the requirement of BS 746 shall be valid for Brass fittings.

2.0 MATERIAL

The material used for the manufacturer of Brass fittings shall confirm to IS 319 orequivalent BS standard.

Free cutting extruded Brass Road shall be used for manufacturer of Brass fittings.Vendor shall use materials having valid BIS or BS monogram.

3.0 DIMENSIONAL TOLERANCES

Dimensions tolerances of various types of fittings shall be as per BS – 746. Opentolerances on dimensions shall be ± 0.1mm.

Union nuts shall be of hexagonal type.

4.0 THREADS

Outlet of fittings shall be threaded to dimensions and tolerance as specified in BS 21.

Provisions for tightening shall be made on all straight fittings.

All male and female threads are tapered.

Chamfering:

The outlet of the fittings shall have a chamfer. The chamfer shall havean included angle of 90° ± 5° for internal threads and 70° ± 10° for externalthreads.

5.0 FREE FROM DEFECTS

The fittings shall be free from internal fins and irregularities which might restrict thefree flow of fluid and shall be so designed that resistance to the flow of fluid throughthe fittings is minimised.

6.0 PRESSURE TEST

All Brass fittings shall be leak tested at a pressure of 1 bar for a period of 2 minutesand no leakage is permitted during this period.




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7.0 MARKING

Each fittings shall be embossed with manufacturer name and trade mark.

Each packaging containing fittings shall carry the following stamoed or written inindelible ink,

a) Manufacturers name or trademark.b) Designation of fittings.c) Lot Number.

8.0 INSPECTION

Inspection shall be carried out as per BGL guidelines.

BGL representative or Third Party agency appointed by BGL shall carry out the stagewise inspection during manufacturing process.

Vendor shall furnish all the material test certificate, proof of approval from specifiedauthority.




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TECHNICAL SPECIFICATION FOR BARRICADES


1.1.1 Barricade

1.1.1.1 Continuous Steel / Wooden Barricades shall be provided on either side of thetrench as per site requirements.

1.1.1.2 At a specific distance the contractor shall provide wooden boards / foot boards /steel plates for safe access for the pedestrians.

1.1.1.3 Full height fence, barriers, barricades etc. shall be erected around the side site inorder to prevent the working area from the risks of accidents; due to speedyvehicular movement same the way barricades protect the road users from thedanger due to construction equipment and other temporary structures.

1.1.1.4 All barricades should be erected as per the design requirements of the employer,numbered, painted and maintained in good condition and also barricades in-chargemaintains a barricade register in site.

1.1.1.5 All barricades shall be conspicuously seen in the dark/night time by the road usersso that no vehicle hits the barricade. Conspicuity shall be ensured by affixing retroreflective stripes of required size and shape at appropriate angle at the bottom andmiddle portion of the barricade at a minimum gap of 1 M. in addition minimum onered light or red light blinker should be placed at the top of each barricade..




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TECHNICAL SPECIFICATION

FOR ANACONDA/ FLEXIBLE HOSE


Item : Anaconda / Flexible Hose Pipe (Type-A)

Assembly for Natural Gas Service

Applicable Code : BS:6501 Part-I : 1991

Specification for Corrugated Hose Assemblies

Nominal Size : 20mm(3/4”)

Total Length of Hose Assembly : 350mm end to end

Movement Required : Static

Design Pressure : 0.25 bar(g) to 20°C

Temperature Range : 0 – 65°C

Cyclic Life : 30 Bends when tested in accordance with Cl.

14.4 of BS:6501 Part-I

Static Bend Radius : 25mm

Type & Material of End Fitting : ½”/¾” NPT CS Female Swivel Nut with Flat Seat

Nipple with Rubber Gasket / `O’ Ring andsecond end shall be CS Male ½”/¾” NPT andthreads shall be conforming to ANSI B1. 20.1

CS Fittings shall be conforming to SA 105/ SA106 Gr. B. CS Fittings shall be galvanised asper IS:4759-1985.

Note: TIG welding shall be carried out forwelding CS fittings to corrugated hose.

Material of Hose : 304S11 conforming to BS:1449 Part-2

Product to be conveyed : Natural Gas

Heat Treatment Requirement : Parent sheet or the finished hose must undergoAnnealing




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Tests : Pneumatic Test at a pressure of 1.0 bar (g)

Type testing as per Cl.Nos. 14.1, 14.2, 14.5 &14.6 of BS:6501 Part-I

Cleaning & Packaging : As per Cl.No. 17.0 of BS:6501 Part-I

Test Certificate : As per Cl.No. 18.0 of BS:6501 Part-I




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LIST OF APPROVED SUPPLIER FOR BOUGHT OUT ITEMS

PE FITTINGS & PE VALVES

1) M/s Friatech AG, Germany (represented by M/s Sherman Sales in India)

2) M/s Jain Irrigation systems Ltd. Jalgaon (Fusion, UK)

3) M/s George Fisher

4) M/s Plasson Ltd.

5) M/s Agru, Australia

6) M/s Kimplas Piping Systems, Nashik

HDPE PIPES & DUCT

1) M/s Climax Synthetics (P) Ltd., Vadodra

2) M/s Indian Poly Pipes, Calcutta

3) M/s Jain Irrigation Systems Ltd., Jalgaon

4) M/s Kirti Industries (India) Ltd., Indore

5) M/s Ori Plast Limited, Calcutta

6) M/s Phoel Industries Limited, Delhi

7) M/s Sangir Plastics (P) Ltd., Mumbai

8) M/s Veekay Plast,Jaipur

9) M/s Kisan Irrigation

10) M/s Dutron Polymers Ltd.

11) M/s Manikya Plastichem (P) Ltd

WARNING GRID

1. M/s. Bina Enterprises, Mumbai

2. M/s. K.B. Industries, Nashik

3. M/s. M.N.C. Industrial Corporation, New Delhi

4. M/s. Pooja Packaging, Mumbai

5. M/s. Rolls Packs Pvt. Ltd., Mumbai

6. M/s. Shubham Paperplas, Mumbai




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GI FITTINGS

1 M/s Jainsons Industries, Jalandhar

2 M/s RAJNESH Malleables Ltd.,Delhi

3 M/s Industrial Valves & Components, Delhi

4 M/s Sarin industries, Delhi

Anaconda/Flexible hose

1. M/s KPC Flexi Tubes, New Delhi

2. M/s Gayatri Industrial Corporation, Mumbai

3. M/s Delta Flexibles, New Delhi

4. M/s Indo Thai Flexible Tubes Limited, Calcutta

5. M/s Madras Hydraulic Hose (P) Ltd., Chennai

6. M/s Senior Flexonics (I) Ltd., Gurgaon

Notes:

1) For procuring bought out items from vendors other than those listed above, the samemay be acceptable subject to the following:-

a) The vendor/supplier of bought out item(s) is a regular and reputedmanufacturer/supplier of said item(s) for intended services and the sizesbeing offered is in their regular manufacturing/supply range.

b) The vendor/supplier should not be in the Holiday list of BGL.

c) Should have supplied at least 50% of required quantity or minimum 1 numberwhichever is higher of maximum size and rating of item(s) as required forintended services.

The bidder should enclose documentary evidences i.e. PO copies, InspectionCertificate, end-user certificate etc. for all the bought out components, along withtheir bids.

2) For any other item(s) for which the vendor list is not provided, bidders can supplythose item(s) from reputed vendors/ suppliers who have earlier supplied sameitem(s) for the intended services in earlier projects and the item(s) offered is in theirregular manufacturing/ supply range.

The bidder is not required to enclose documentary evidences (PO copies, InspectionCertificate, end-user certificate etc.) alongwith their offer. However in case ofsuccessful bidder, these documents shall be required to be submitted by them forprior approval of BGL within 30 days from date of Placement of Order.




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MARKETING SCOPE OF WORK




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SCOPE OF WORK FOR THE PIPE LINE LAYING CONTRACTOR FOR REGISTRATION OF PNGDOMESTIC CONNECTION IN HYDERABAD.

1. The contractor will scan the areas allocated by BGL for creating a database with respect tothe domestic customers and in corporate in the allocated area and then submit thereport to BGL in the prescribed format. The report will be submitted to BGL both as softcopy and hard copy.

2. To coordinate with the Resident Welfare Associations /Societies or any other concernedagency for any type of permission/assistance required for conducting survey and DirectMarketing activities.

3. To collect the installation charges from all individual households as per the areadesignated by BGL. The installation charges are to be collected in three instalments. Theregistration charges prescribed are applicable at present. However, BGL shall haveabsolute discretion /liberty to amend, modify the charges and /or terms andconditions/manner in which the same are to be administered /collected. The contractorshall be required to abide by the decision of BGL in this regard.

4. All registration charges are to be collected by way of A/c payee cheque /DD only, infavour of Bhagyanagar Gas Limited. Under no circumstances cash will be collected. Anydeviation from this policy will attract penalty as decided by BGL.

5. In the event of cheques not clearing, the contractor is required to follow up the matter atno extra charges, and the payment for that particular cheque would not be made to thecontractor till realisation of cheque.

6. The contractor shall not make any registrations from the areas not declared /specified byBGL/ not allotted to the contractor as the contractor is required to do the marketing onlyin the areas specified by BGL from time to time. In case it is observed that the contractorhave done the registration not allocated to the contractor, then the registration chargeswill be recovered from the contractor. Further any liability (Legal, financial or otherwise)arising out of this shall be the responsibility of the contractor.

7. At the time of registration, bidder will allot registration no. to the customer (in line withthe series communicated by BGL) and communicate same to the customer correctly, theapproximate time period (as communicated by BGL) in which connection will be given tothem.




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8. The contractor will keep updating the customer wise records of cheques received atvarious stages (in terms of registration /subsequent installations). These records will bemaintained in the format specified by BGL and copies (soft as well as hard) will be givento BGL at regular intervals as required by BGL. These records will be submitted along withCheques/filled –up registration forms. Any deviation from the policy will attract penaltyas decided by BGL.

9. The contractor will carry out daily review of the sales team regarding the status ofregistrations, penetrations and submitting the cheques to BGL on daily basis. This will bedone in the formats specified by BGL from time to time.

10. The contractor will maintain a Marketing Office with following facilities. Telephone/Fax Lines Consumer complaint Logbook/ Consumer feedback form.

11. The contractor will mobilise Sales Manager, Sales Officer and Sales Executive formarketing activities. The number of personnel to be mobilised will be as per therequirement as prescribed by BGL depending on the number of households targetedfrom time to time. Sales Manager will have the qualification of MBA(Marketing) orequivalent with minimum one to two years experience . Sales officer will have aqualification of minimum graduate with the working knowledge /skills of PC. Salesexecutives will be approved by Office-in- Charge, City Gas Marketing of BGL. The salesteam will be smartly dressed/ presentable and carry identity cards/authorisation letterson door-to-door visits. All the above marketing executive of the contractor will undergo atraining program by BGL before actually starting the marketing activities.

12. The contractor will ensure that Marketing Executive’s communicate the correctinformation to the consumers and conduct them in a dignified manner whenrepresenting BGL. On receipt of any complaint regarding misbehaviour / any otherconduct which brings disrepute, the contractor will remove the personnel from the jobon instructions from Officer-in-charge city gas Marketing of BGL.

13. The contractor will attend weekly meeting as per day and time specified by theconcerned Marketing Officer of BGL. Further the contractor shall submit the dailyprogress report before 10.00 am every day.

14. For marketing of the PNG connections, the contractor will use and intelligentcombination of the following techniques, in consultation with Officer –in-Charge city gasmarketing after obtaining the necessary permissions from all concerned (RWA’s etc).




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LeafletsFrequently Asked Questions (FAQ)BannersAwareness-cum Registration CampsInserts in TV CablesAudio /Video presentationsDemonstration of meters /RegulatorsTele MarketingDoor to Door MarketingMailersAny other marketing activities

15. The contractor will carry out the process of registrations in any area in a time boundmanner as communicated by BGL from time to time and BGL shall review the progressbeing made on periodic intervals. If the performance is found to satisfactory. BGLreserves the right to take alternative action to protect its business interests.

16. The payment shall be made subject to:-The contractor shall submit the bills on monthly basis to BGL’s marketing Departmentstage wise as above. Bills will be submitted for successful registrations only. A successfulregistration means:-

i) Get the registration form duly filled along with customer signatures.ii) Get the cheque duly filled along with customer signatures & issues

acknowledgement along with registration number to the customer.iii) Deposit the cheques along with registration forms and the records in prescribed

formats in Soft and Hard copies to BGL.iv) Clearance of Cheques.v) Payment shall be released within 15 working days of receipt of Bills after

verifications.vi) The contractor shall not be entitled for payment in respect of the connection

which could not be materialized in totality (by any reason from the side of thecustomer default).

17. Dy.Manager (Marketing) will be the Executive in Charge for the above services.

18. The contractor will not undertake any contract of similar nature of business from anycompetitor during the contract period in the same assigned area.

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