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DAFTAR PUSTAKA

Abidin, H.Z., Bachri, S., Adil, I., (2005). Survei Hidrografi, Refika Aditama, Bandung. Abidin, H.Z., (2000). Penentuan Posisi Dengan GPS Dan Aplikasinya, Pradnya Paramita, Jakarta. Abidin, H.Z., (2001). Geodesi Satelit, Pradnya Paramita, Jakarta. Department of Surveying Engineering, (1988). “ Hydrographic Surveying “ , University of New Brunswick, Fredericton – Canada. De Jong, C.D., Lachapelle, G., Skone, S., Elema, I.A. (2002) ” Hydrography ”, Delft University Press, Netherlands. Department of Surveying Engineering, (1988). “ Acoustic Positioning “ , University of New Brunswick, Fredericton – Canada. Djunarsjah, E. , (2002). Modul Kuliah Hidrografi II, Institut Teknologi Bandung, Bandung. Guo, Boyun, (University of Lousiana at Lafayette), Song, Shanhong, (Chevron Texaco Overseas Petroleum Company), Chacko, Jacob (INTEC Engineering, Inc), Ghalambor, Ali, (University of Lousiana at Lafayette), (2005). “ Offshore Pipelines “, Elsevier, Oxford – United Kingdom. Kahar, J., Jones, A., Abidin, H.Z., (2002). Survei Dengan GPS, Pradnya Paramita, Jakarta. PETRONAS – Malaysia (2007). Data-data proyek konstruksi pipa bawah laut, ” West Lutong and Kuala Baram Pipeline Replacement Project ”, Divisi Survei PT. Geocean Indonesia, Malaysia. PT. Geocean Indonesia (2006). Diskusi bersama Divisi Survei. Jakarta, Indonesia. SULASDI, W.N., (1993). Kursus Penyegaran Materi ‘Hidrografi’, DepartemenTeknik Geodesi – FTSP Institut Teknologi Bandung, Bandung. Taepur, S., (1985). Survei Hidrografi. Departemen Teknik Geodesi – FTSP Institut Teknologi Bandung, Bandung. Zogg, J.M., (2002). “ GPS Basic – Introduction to the system and application overview “, u-blox ag, Switzerland.

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C:\Documents and Settings\Maya Palacci\Bureau\TB. Samba.doc Halaman – Page 1 of 1

PT. AGUS SUTA LINE Jl. P. Suriansyah No. 30—34 Samarinda 75113 East Kalimantan, Indonesia Telp. +62 (541) 732893, Fax. +62 (541) 732891

TB. SAMBAa twin screw pusher tug

General Dimension Class BKI – A100 (I) P Tug Boat Length Over All (LOA) 17.29 m Registration Mark 1979 Ba No. 462/L Breadth Molded 7.92 m Port of Registry Jakarta Depth Molded 2.43 m Country Flag Indonesia Draft Fully Loaded 1.60 m Call Sign YD 4474 Deck Cargo Space Year of Built 1974 rebuilt 1995 Gross Tonnage 88 Place of Built Singapore Net Tonnage 27 Builder Promet Pte. Ltd. Daily Fuel Consume F/W Tank Capacity 10 m3 Engines Fuel Tank Capacity 20 m3 Main Engines Klockner Humboldt Deutz A.G. 2 x DEUTZ ST12L413, 214Hp/1500Rpm Radio Communication With Schottle Type 360o VHF Radio ICOM model ICM-900 Gear Box Twin Disc MG 514 SSB Radio ICOM model ICM-1530 Ratio 3.00 : 1 Generators Klockner Humboldt Deutz A.G. Navigation Aids 2 x DEUTZ F3L912, 28 kW, 20 kVA Echosounder KODEN model CVS-106 Fire Pumps GPS KGP-48 Fire Engine Compass 2 unit Compass diameter 8” Engine Winch Mitsubishi 4D31, 85 HP Steering Gear Electro Hydraulic Autonav Deck Equipment Search Light 2 x 1000 Watts Each Anchor Winch 1 unit Hand Winch cap. 2 Ton Flood Light 2 x 500 Watts Anchor 2 pcs @210 kgs stockless Towing Hook Oily Water Separator Oyama HMS-30, 0.25 m3 / hour Bollard Pull 10 Tons Safety Equipment Anchor Winch Type GIR 31H48-17-21, ratio 60 : 1 Life rafts 2 unit @6 persons capacity A Frame Derrick 12.5 Tons / SWL 10 Tons Life jackets 20 persons Accommodation 9 persons

Particulars given are entirely without warranty as to correctness and interested party must satisfy themselves

by inspection of ship’s certificate or by other means of vessel’s specification.

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SHIP PARTICULARS CRANE BARGE ELANG BIRU 501

Principal Particulars Class BKI Indonesia Port of Registry Balikpapan Year Built 2005 Where Built Batam Length (OA) 180 feet Breadth (MLD) 50 feet Depth (MLD) 10 feet GRT / NRT 676 / 203 Deck Strenght 5 tons / m2 Rooms Radio room, office rooms, saloon room, & medic

room. All room are fully air conditioner Fire & Safety Equipment Fire pump Manufacture Lombardini Model LDW 220 Pump VARISO Model J70 – 250 TQS Capacity 50 m3/hr Inflatable Liferaft 4 units x 25 persons Life Jackets 75 units Work vest 15 units Anchor Bouy 4 units Fire extinguisher Dry Chemical Powder & Co2

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CRAWLER CRANE Manufacture HITACHI Model KH-850-3 Max. Cap 150 Ton & SWL 36 Tons Boom Length 54 m Serial No 2550378 Certiicate MIGAS Indonesia DECK EQUIPMENT Hydraulic mooring winch 2 unit @ 20 Tons

double drum Model SMS-DHMW/DD Winding Cap 20 Ton Winding Speed 10m / min Drum Cap 500 m x dia. 32 mm wire C/w 4 units of 5 tons

stockless anchor at each point Fuel oil 100 m3 Fresh water 500 m3 Ballast water 250 m3 GENERATOR Manufacture Denyo Model DC45SPI Capacity 40 KVA/46 Hp/1500 Rpm Isuzu B4 BGI Alternator 40 KVA/220-400V/50 HZ Manufacture Denyo Model DC45SPI Capacity 40 KVA/46 Hp/1500 Rpm Isuzu B4 BGI Alternator 40 KVA/220-400V/50 HZ

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Standard Operating Procedures Prosedur Keterangan Spesifikasi Survei dan Monitoring

Pre-lay Survey

Pre-lay Survey harus dilaksanakan tidak lebih dari 30 hari dari batas kegiatan aktivitas peletakan pipa.

Pipelay Support

Survei hidrografi dan profiling harus dilaksanakan untuk memeriksa kelayakan konstruksi pipa di dasar laut, identifikasi span.

Laporan diserahkan kepada kontraktor (Company)

As-laid Survey

Monitoring koordinat pipa (x,y,z), kemungkinan free span yang terjadi, dan inspeksi kegiatan welding dan coating di setiap station, perekaman data hidrografi dalam setiap pergerakan pipa.

Manajemen data hidrografi

Pre-lay trenching control untuk analisis bottom roughness.

OOS dilakukan untuk mencegah upheaval buckling.

Survey for buried pipe sections

Post-lay trenching, meliputi TOP survey,DOB, dan penentuan OOS.

TOP : top of pipe DOB : depth of burial OOS : out of straightness

As-laid survey meliputi profiling survey, inspeksi ROV untuk pipeline status dan free span assessment.

Survey for unburied pipe sections Span correction support meliputi penentuan lokasi dan dimensi span.

Post rectification/Final Survey Spesifikasi Operasionalisasi

Peralatan Survei dan Navigasi

Persiapan Sistem untuk RTK dan DGPS

GPS receiver Trimble 4000Ssi (or equivalent) RTK out-off

Pacific Crest PDL UHF radio modem-tranceiver (or equivalent).

Dual set (2 unit)

Antenna radio Sufficient batteries

Sistem untuk DGPS GPS receiver AgGPS 132 beacon out-off (or equivalent)

Pacific Crest PDL UHF radio modem-tranceiver (or equivalent).

Dual set (2 unit)

Antenna radio

Reference station

Base station di MCOT

Sufficient batteries Trimble AgGPS 132 interface dengan KVH fluxgate compass

Untuk heading dan navigasi

Peralatan survei dan navigasi di AHT Boat

PDL radio 2 unit (untuk Tug

Management System, dan untuk menerima koreksi data dari BMS)

Mini PC (personal computer) Windows XP pro Spare DGPS receiver

Harus available

Selama Peletakan pipa

Mariam 281 laying barge akan dilengkapi dengan dual Ag132 DGPS system untuk monitoring pergerakan barge dan monitoring peletakan pipa. Dalam pergerakannya, menggunakan 8 jangkar dimana anchor handling dilakukan dengan 2 unit AHT boat yang dimonitor dengan barge management system (BMS).

Reference station

Idem dengan tahap persiapan

Idem dengan tahap persiapan

Trimble AgGPS 132 1 unit Primary DGPS system Pacific Crest LP UHF Radios 2 unit

Trimble AgGPS 132 1 unit Secondary DGPS system Pacific Crest LP UHF Radios 2 unit

RTK system

Trimble 4000Ssi 1 antenna diletakkan di stinger untuk logging position dengan interface ke echosounder Tritech PA500

Trimble HYDROpro Construction Software Mini PC 2 unit (Windows XP

pro) Spare DGPS Minimal 1 unit harus available

Minimal 4 satelit elevation mark 15° Interval koreksi differensial 6 sekon Ketelitian DGPS < 1 m (sub-metric)

Peralatan navigasi di Mariam 281 lay barge

Accuracy

Ketelitian RTK < 5 cm (RTK mode)

Gyro Compass

Kalibrasi : 2 unit receiver DGPS akan merekam data azimuth (baseline dermaga/jetty) secara simultan Data heading AgGPS 132 akan dibandingkan dengan data heading SGBrown Gyrocompass

Dilakukan kalibrasi di dermaga (jetty)

Trimble AgGPS 132 interface dengan KVH fluxgate compass

Untuk proses navigasi dan heading vessel

Azimuth yang didapatkan akan dibandingkan dengan sumbu-sumbu koordinat barge dengan pengukuran secara paralel dari azimuth yang didapatkan melalui gyrocompass

PDL radio Mini PC (personal computer) Windows XP pro Radio modem 2 unit

Peralatan survei dan navigasi di AHT Boat (2 kapal)

Tug Management System (TMS)

Software HYDROpro Tug Management On board Echosounder Odom MKIII echotrac dengan heave

compensator Survey boat operation Operating depth : 0.5 – 1000 m Range resolution : 10 cm Frequency : 33 dan 220 kHz (dual freq)

Mobilisasi dan Kalibrasi Instalasi dan kalibrasi seluruh peralatan survei dan navigasi

GPS/RTK system calibration 1 unit receiver GPS akan diinstal di onshore benchmark (base station) pada titik yang telah ditentukan di MCOT . Posisi titik tersebut akan diukur dengan receiver Trimble 5700 dan TSC1 controller. Data yang didapatkan akan dibandingkan dengan data yang didapatkan melalui receiver AgGPS 132

Titik-titik control GPS akan diperiksa oleh company representative, party chief surveyor, dan contractor representative

Survey boat positioning Dilengkapi dengan sistem GPS RTK Dilakukan sebelum dan setelah operasional untuk menentukan kecepatan gelombang suara aktual di area proyek.

Echosounder calibration

Kalibrasi dengan bar check (plate method)

Dengan membandingkan antara hasil bacaan kedalaman sounder dengan kedalaman sebenarnya (actual)