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NSW GOVERNMENT

Certificate of Accreditation Sewage Management Facility

Aerated Wastewater Treatment System Advanced Secondary Effluent

This Certificate of Accreditation is issued by the Secretary of the NSW Ministry of Health pursuant to Clause 41(1) of the Local Government (General) Regulation 2005.

System: "BioSeptic Performa 2020" Advanced STS-AWTS

Manufacturer: BioSeptic Pty Ltd

Address: 67 Smeaton Grange Road, Smeaton Grange, NSW, 2567

The "BioSeptic Performa 2020" Advanced STS-AWTS as described in Schedule A, has been Accredited as a sewage management facility in accordance with the Secondary Treatment System Accreditation Guideline 2018 for use in single domestic premises in NSW. This Accreditation is subject to the conditions and permitted uses specified in Schedule B.

A/Director, Environmental Health for Secretary (delegation PH335)

Issued: 31 July 2020 Certificate No: STS-AWTS047 Expires: 31 December 2025

Schedule A: Specification / Description of the BioSeptic Performa 2020 Advanced STS-AWTS

Name & Model - BioSeptic Performa 2020 Advanced

Treatment Capacity - The BioSeptic Performa 2020 Advanced is designed to treat sewage from a residential dwelling, occupied by a maximum of 10 persons.

The BIOSEPTIC PERFORMA is contained in the following 2 vessels: • Vessel 1: A septic tank with a design capacity of 3550 L. NSW Health Accreditation Number STCW 003 • Vessel 2: A collection well with a design capacity of 3750 L. NSW Health Accreditation Number STCW 003

Chamber Design capacities Primary treatment 3550 L

• Partition Yes Secondary treatment 3750 L

• Aeration chamber 2500 L • Clarifier 500 L • Irrigation chamber 400 L

Emergency storage 1140 L Operational water level (depth)

• primary 1485mm

• secondary 1485mm

The emergency storage capacity is achieved by flooding the air space between the normal water operating level and the top of the concrete walls creating the discrete chambers, thus providing 1140L of emergency storage prior to water overflowing the chamber walls. Primary sewage is contained in a separate tank.

The BioSeptic Performa 2020 has the following components: • Primary treatment tank: Sewage from the dwelling flows into the primary treatment tank. The heavier

material settles from the liquid and the lighter fraction of oils and fats floats to the surface to form a crust to create an anaerobic condition. The Total Suspended Solids concentration is partly reduced. Anerobic bacteria digest and reduce the organic load or Biochemical Oxygen Demand (BOD5).

• Aeration chamber: Settled wastewater from the primary tank flows into the first aeration chamber and then overflows into the second aeration chamber. Constant aeration reduces the carbonaceous compounds and nitrifies the nitrogenous compounds. The total flow wastewater is directed through a large area of bacterial support media in each chamber. This provides the best conditions for the aerobic bacterial community to digest the remaining organic load.

• Clarifier: After aeration the wastewater overflows into the clarifier. This is a quiescent chamber that settles out any remaining suspended solids. These are returned by an airlift sludge return to the septic tank for further treatment and to assist in nitrogen reduction. Any remaining floating material is transferred to the first aeration chamber by an airlift skimmer.

• Disinfection: After settling, the wastewater flows through a proprietary erosion chlorinator before entering the pump well. The chlorinated water is held in the pump well for three pump cycles to ensure good pathogen kill before being discharged.

• Air Supply: Air is supplied to the aeration chamber by a Secoh JDK 80, 48 watt air blower, or equivalent. This produces a nominal 80 litres/minute air flow at 1.285 m water depth. The air is distributed via a manifold to aeration diffusers located near the base of the aeration chamber and to airlift devices located in the clarifier. The airlift devices continually return partially treated wastewater and settled solids to the primary treatment tank.

• Irrigation: A Showfou brand model SHA 112N submersible irrigation pump or equivalent is installed in the disposal chamber.

• Alarm system: A remote alarm is placed in an easily observable position to indicate by visual/audio means the loss of power, low air pressure and high-water level, however caused. The visual alarms are duplicated in the control box at the tank

Schedule B: Conditions of Accreditation

1. General

1.1 Prior to installation the owner/occupier of the premises shall make an application, in accordance with Clause 26 of the Local Government (General) Regulation 2005, to the local authority for approval to

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install and operate the BioSeptic Performa 2020 as a Sewage Management Facility in accordance with Section 68, Part C of the Local Government Act 1993.

1.2 The local authority shall apply those Conditions of Accreditation, appropriate to the owner / occupier, to any approval to operate the BioSeptic Performa 2020 issued under Clause 45(4), Local Government (General) Regulation 2005.

1.3 In accordance with Clause 36 of the Local Government (General) Regulation 2005, the BioSeptic Performa 2020 shall have an expected service life of 5 years in the case of mechanical and electrical components and 15 years in the case of other components.

1.4 The owner / occupier shall ensure that the BioSeptic Performa 2020 is installed or constructed: • in accordance with the accredited specifications of the type tested unit and in accordance with

good trade practice, and • to allow ease of access for maintenance, and • regarding the health and safety of users, operators and persons maintaining the facility, and • must be installed or constructed to make appropriate provision for access to and removal of

contents in a safe and sanitary manner, and • must, if it is intended to be a permanent fixture, be anchored to prevent movement.

1.5 The manufacturer / supplier shall ensure that the BioSeptic Performa 2020 is supplied, constructed and installed in accordance with the design (including the disinfection unit) as submitted and accredited by the NSW Ministry of Health. The BioSeptic Performa 2020 shall not be modified or altered except that alternate individual mechanical and electrical components such as pumps, PLCs, etc., may be substituted provided that the component meets the Accredited design specification.

1.6 Any permanent modification or variations to the accredited design of the BioSeptic Performa 2020 shall be submitted for separate consideration and variation of the Certificate of Accreditation by the NSW Ministry of Health. Modifications will be considered in accordance with section 2.3.13 of AS1546.3:2017.

1.7 Each BioSeptic Performa 2020 shall be permanently and legibly marked by the manufacturer in accordance with section 3 of AS1546.3:2017.

1.8 The manufacturer shall supply with each BioSeptic Performa 2020 an owner's manual, which sets out the care, operation, maintenance and on-going management requirements of the system. The owner's manual prepared by the manufacturer shall specifically contain a plan for the on-going management of the BioSeptic Performa 2020. The plan shall include details of: • the treatment process, • procedures to be followed in the event of a system failure, • emergency contact numbers, • maintenance requirements, • inspection and sampling procedures to be followed as part of any on-going monitoring program

developed by the local authority.

1.9 The manufacturer shall provide the following information to each local authority where it is intended to install a BioSeptic Performa 2020 in their area once accreditation has been obtained: • Statement of warranty • Manufacturer's Service Report Form • Statement of service life • Engineering Drawings • Quality Assurance Certification • Specifications • Installation Manual • A4 Plans • Service Manual • Certificate of Accreditation • Owner's Manual documentation from NSW Health. The manufacturer need not provide the above information to the local authority where the information or document is contained on the manufacturer's web site.

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2. Installation and Commissioning

2.1 The owner / occupier shall have the BioSeptic Performa 2020 inspected and checked by the manufacturer or the manufacturer's agent The manufacturer or the agent is to certify that the system has been installed and commissioned in accordance with its design, conditions of accreditation and any additional requirements of the local authority.

2.2 The owner / occupier shall ensure that all electrical work is carried out on the BioSeptic Performa 2020 by a licensed electrician and in accordance with the relevant provisions of AS/NZS 3000.

2.3 The owner / occupier shall not commission the BioSeptic Performa 2020 unless the land application system has been completed.

3. Maintenance

3.1 The owner/ occupier of the premises shall enter into a minimum 12-month contract or agreement with a service agent and ensure that the BioSeptic Performa 2020 is serviced: • in accordance with the manufacturer's / supplier's service manual and using the manufacturer's /

supplier's service sheet; and • by a service agent who

o has completed a course on the servicing and maintenance of STS; and has some supervised servicing experience or extensive un-supervised experience;

o is employed or authorised by the manufacturer / supplier of the BioSeptic Performa 2020; o uses replacement parts which meet the minimum specification of the BioSeptic Performa

2020; o has advised of their name, contact details and credentials to the local authority; o submits a completed NSW Health "Local Council Service Report" (attached) to the local

authority immediately after every service; o shall report to the local authority any instances where the owner / occupier refuses to

authorise repairs, replacement of parts or maintenance; and o does not perform electrical work or enter confined spaces unless trained and is suitably

qualified to do so.

3.2 The owner/occupier shall not service the BioSeptic Performa 2020 unless they are an authorised agent

3.3 The BioSeptic Performa 2020 once installed and commissioned shall be serviced at 3 monthly intervals.

3.4 The manufacturer / supplier of the BioSeptic Performa 2020 shall place on its web site a copy of the service manual, service sheet or form and specifications for the BioSeptic Performa 2020 to facilitate servicing, maintenance and repairs. Commercial-in-confidence documents may be provided directly to the service agent without uploading to the web site.

3.5 Each three monthly service shall, as a minimum where provided, include a check on all mechanical, electrical and functioning parts of the system including: • The chlorinator and replenishment of the disinfectant, • Any alternative disinfection unit, • Replace a UV light globe at recommended intervals and keep a record, • Pump and air blower, • The alarm system, • Slime growth on the filter media, • Operation of the sludge return system, • The effluent irrigation area, • On-site testing for free residual chlorine, pH and dissolved oxygen at the appropriate check points.

4. Verification

4.1 Effluent from the BioSeptic Performa 2020 taken in any random grab sample shall comply with the following standard: • BOD, less than 30 mg/L • TSS less than 45 mg/L • E. coli less than 100 cfu/100 ml • Free residual chlorine greater than 0.2 and less than 2.0 mg/L

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5. Permitted uses

5.1 The effluent is suitable for re-use for garden purposes by way of any of the forms of irrigation as described in AS/NZS 1547:2012: • above ground spray irrigation; and/or • surface drip irrigation covered by mulch; and/or • sub-surface drip irrigation installed at around 100 mm depth; and or • any form of sub-soil application. Each of the forms of irrigation or application is subject to the approval of the local authority.

6. Advanced Secondary Treatment System

6.1 The BioSeptic Performa 2020 when tested by a Product Certification Body in accordance with AS1546.3:2017 was found to comply with the Advanced Secondary Effluent Criteria as follows:

TABLE 2.1 (Abrev) A51546.3:2017 ADVANCED SECONDARY EFFLUENT COMPLIANCE CRITERIA FOR A STS

Parameter Advanced secondary effluent

90% of Samples Maximum BOD5 5 10mg/L 20 mg/L

TSS 5 10 mg/L 20 mg/L

E cell * 5 10 cfu/100mL 30 cfu/100mL

FAC p Minimum

0.5 mg/I4

N/A

Turbidity ? N/A 10 NTU

*Where disinfection is required. ID Where chlorine disinfection is used. 1. Minimum level, not 90% of samples. ? Where UV light is used for disinfection.

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GOVERNMENT Health Local Council STS Service Report: February 2018

Owner's Name: Local Council:

Installation Address:

System Brand & Model: 0 Domestic 0 Commercial

Date of this service: / /

Date of last Service: / /

Next service due: / /

Has the STS/DGTS been serviced in accordance with the manufacturer's / supplier's requirements and using the service sheet? 0 Yes 0 No

If "No" why not?

STS/DGTS functioning correctly? 0 Yes 0 No If "No" why not?

According to sludge-judge or other methodology is de-sludging needed? 0 Yes 0 No If "Yes" what action is recommended?

Offensive odours? 0 Yes 0 No If "Yes" what action is recommended?

Alarms tested and functional? 0 Yes 0 No If not "functional" what action is recommended?

Final Effluent Quality Tested? 0 Yes 0 No Disinfected? 0 Yes 0 No Chlorine tablets remaining. 0 Yes 0 No Quality? 0 Satisfactory 0 Unsatisfactory On what evidence is this judgement made? If "Unsatisfactory" what action was recommended?

Land Application Area Surface ponding? 0 Yes 0 No Run off? 0 Yes 0 No Excess plant growth? 0 Yes 0 No Effluent leaving premises? 0 Yes 0 No High risk areas contaminated? * CI Yes 0 No * Patio, play areas, BBQ, etc Operating satisfactorily? 0 Yes 0 No If "Not operating satisfactorily" what action was

recommended?

Overall Condition of STS? 0 Excellent OGood 0 Fair 0 Poor Comments / Action Recommended / Repairs Needed / Repairs Performed:

Has the owner / occupier taken recommended actions? CI Yes 0 No

Service Agent: Contact Details:

Signature: Date:

Source: Adapted from "Checklist 4.2: Operational AWTS inspection report for use by service providers and Council inspectors" in Designing and Installing On-Site Wastewater Systems, Sydney Catchment Authority, May 2012

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SEPTIC TANK TREATMENT TANK

Bacterial Support Media

Pump Outlet

Aeration 2

Inlet

Air Blower

0 Aeration 2

0 Pump Chamber

0 Chlorine Contact Chamber

Cer4,4 Predt, CAS 1546 3 /0,

Repaint. 5/5

67 Smeaton Grange Road, Smeaton Grange, NSW, 2567 PO BOX 3250, Narellan, NSW, 2567 P: 1300 658 111 I E: reception@bioseptic.com.au www.bioseptic.com.au I ABN 95 056 461 226

BIOSEPTIC The Ultimate Sewage System

BIOSEPTIC PERFORMA 2020 10 Person AWTS NSW Health Certificate of Accreditation - STS-AWTS047

PRODUCT INFORMATION CHAMBERS CAPACITIES

• BioSeptic holds Global Certification third party accreditation for Product

• The BioSeptic Performa 2020 is a ten person Sewage Treatment System (STS)

Septic tank 3550 L

Certification to: also known as an Aerated Wastewater Aeration 1 1250 L

> AS 1546.3:2017 On-site domestic Treatment System (AWTS). Aeration 2 1250 L

wastewater treatment units. Part 3 Secondary treatment systems.

AS/NZS 1546.1:2008 On-site wastewater treatment units.

• The BioSeptic Performa AWTS uses concrete tanks and chambers and has been in production since 1993.

• NSW Health Department Certificate of

Clarifier

Chlorine Contact Chamber

Pump Chamber

500L

300L

100L

Part 1 Septic tanks. Accreditation — STS-AWTS047. Surcharge Capacity 1140 L

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