BSR0443/2011 - Department of Justice
Contents
1. system and the reasons for installing a holding tank instead of a land application system Design report The Design Report is to include the following a Relevant aspects of the Site Evaluation Report b A report detailing the reasons for installing a holding tank instead of a land application system Refer to AS NZS 1547 Clause 4 2 for further information c A report on the selection of the wastewater treatment unit Refer to AS NZS 1547 Clause 4 3 6 and associated appendices to Clause 4 3 for further information d Sufficient information to show that the relevant performance requirements set out in the PCA have been met d A loading certificate which sets out the design criteria and the limitations associated with use of the system and incorporates such matters as i System capacity number of persons and daily flow ii Summary of design criteria iii The location of and use of reserve areas Date of issue 27 October 2011 Director Building Control Oe delegate of Minister for Workplace Relations 6 Department of Justice Certificate of Accreditation BSRO443 201 iv Use of water efficient fittings fixtures or appliances v Allowable variation from design flows peak loading events vi Consequences of changes in loading due to varying wastewater characteristics vii Consequences of overloading the system viii Consequences of underloading the system ix Consequences of lack of opera2. tank which then flows to the holding tank to await collection and disposal off site in situations where disposal on site is not an option Note that installation of the system with Holding Tank is restricted to parks reserves and the like under the jurisdiction of government agencies or public authorities Date of issue 27 October 2011 Director Building Control Oc delegate of Minister for Workplace Relations 2 Department of Justice Certificate of Accreditation BSR0443 201 I The primary tank receives undiluted waste and its function is to separate solids and digest the waste The liquid retention time in the primary tank varies between 45 128 days depending on the model installed The primary tank retains sludge for approx 4 7 years until pumped out The secondary tank is filled with media that further treats the effluent to a secondary quality under controlled conditions before its released to the holding tank The secondary tank also contains baffles which facilitates upward and downward flow of the effluent causing it to come into contact with anaerobic and aerobic zones within the system Liquid retention time in the secondary tank varies between 25 27 days which is also dependant on the model installed The primary tank is de sludged every four to seven years or as deemed necessary by the service agent The holding tank is pumped out as required and indication is provided by a float gauge Under normal operating condi
3. 25 SST 1000 50 PST 2500 amp 5500 75 100 amp 150 PST amp SST 5500 PST Primary Septic tank SST Secondary Septic Tank Each system must be permanently and legibly marked on a non corrosive metal plaque or equivalent attached to the lid with the following information The brand and model name or designation of the system The manufacturer s name or registered trademark Top load limitations and The month and year of manufacture The supplier must supply the owner and occupier of each installation with a user manual setting out the following a the treatment process procedures to be followed in the event of a system failure emergency contact number care operation monitoring and maintenance requirements and inspection and sampling procedures to be followed as part of the on going monitoring and program required by the permit authority Any proposed modifications to the system s specified processes equipment materials fittings or manuals must have prior authorisation in writing from the Director and may be subject to additional verification or testing The supplier must provide the following information to each permit authority where it is intended to install a system in their jurisdiction e Statement of warranty delegate of Minister for Workplace Relations 5 Department of Justice Certificate of Accreditation BSR0443 201 I e Statement of service life e Qu
4. 4 1 Each installation must be serviced at not greater than 12 monthly intervals in accordance with the conditions of accreditation the conditions of permit and manufacturer s requirements Notes 1 Other than electrical work only a licensed plumber can carry out the maintenance and required monitoring of the system 2 The licensed plumber may need to complete training by the supplier before carrying out any maintenance on the system 4 2 Immediately after commissioning system performance monitoring of each installation is to commence and must be carried out at not less than 6 monthly intervals and in accordance with the conditions of permit 4 3 The owner of the system must enter into and maintain a maintenance contract with the council the supplier of the system or other council approved plumbing contractor 4 4 The owner must enter into an agreement with the council to maintain the maintenance contract where that contract is with the supplier of the system or other council approved plumbing contractor 4 5 The system must be operated and maintained to ensure it performs continuously and without any intervention between inspections carried out by the council approved plumbing contractor 4 6 A service report is to be prepared by the plumbing contractor who carried out the work detailing the inspection of the installation and the results of all servicing tests and conditions at the completion of all scheduled or unscheduled servi
5. Tasmania Certificate of Accreditation On Site Waste Water Management System This Certificate of Accreditation is herby issued by the Minister for Justice and Workplace Relations pursuant to Section 59 2 of the Building Act 2000 and Part G2 of the Tasmanian Plumbing Code 2006 Syene Gough Plastics Hybrid Toilet System with gi Holding Tank Manufacturer Gough Industries Pty Ltd Supplier ACN 010 028 547 Trading as Gough Plastics Of 833 Ingham Road Bohle Townsville 4810 This is to certify that the Gough Plastics Hybrid Toilet System with Holding Tank models 6P Single Pedestal 10P Single Pedestal 25P Single Pedestal 25P Double Pedestal 50P Double Pedestal 75P Three Pedestal 100P Four Pedestal and 150P Six Pedestal the system as described in Schedule 1 has been accredited as an on site waste water management system for use in plumbing installations in Tasmania This accreditation is subject to the conditions of accreditation and permitted uses specified in Schedule 2 and in accordance with the Tasmanian Plumbing Code 2006 _ E Kerrie Crowder Director of Building Control delegate of the Minister for Justice and Workplace Relations Date of Issue 27 October 2011 Certificate No BSR0443 2011 This Certificate of Accreditation is in force until 26 October 2016 Department of Justice Certificate of Accreditation BSR0443 201 I SCHEDULE 1 Specification Gough Plastics Hybrid Toilet System General Descript
6. ality Assurance Certification e Installation Manual e Service Manual e Owner s Manual e Service Report Form e Engineering Drawings on A3 format e Detailed Specifications e Certificate of Accreditation and Schedules 2 14 At each anniversary of the accreditation date the supplier must submit to the Director a list of all systems installed in Tasmania during the previous 12 months The Director may randomly select up to 10 of the installed systems from each year of installation The Director will notify the supplier s nominated NATA accredited laboratory which systems are to be sampled and tested for BOD and TSS The sampling and testing of the selected systems is to be done at the supplier s expense The following results must be reported to the Director Address of premises Date inspected and sampled Sample identification number e BODs TSS and Service history 2 15 When granting a permit the permit authority is to satisfy itself that the designer s choice of the system configuration is optimal for the proposed use and site conditions 2 16 Prior to the granting of a permit to install a system the following reports must be submitted with an application to the permit authority Site evaluation report The site evaluation report is to detail results of an assessment of the individual lot s for the public health environmental legal and economic factors which are likely to impinge on the installation of the
7. anagement system is installed Supplier means the party that is responsible for ensuring that products meet and if applicable continue to meet the requirements on which the certification is based The supplier for the Gough Plastics Hybrid Toilet System with Holding Tank is Gough Plastics System means Gough Plastics Hybrid Toilet System with Holding Tank TPC means the Tasmanian Plumbing Code 2006 TSS means Total Suspended Solids 2 0 General Conditions 2 1 This Certificate of Accreditation is valid for five 5 years from the date of issue or until withdrawn by the Director and is not transferable 2 2 The system must be supplied constructed and installed in accordance with the design submitted and accredited by the Director 2 3 The system must not be installed in a plumbing installation other than in accordance with the conditions of permit issued by the Permit Authority 2 4 The system must not be used in a plumbing installation other than in accordance with the conditions of permit issued by the Permit Authority 2 5 The system is only to be used where in the opinion of the Permit Authority a The system provides for adequate sanitation where no sewerage system is available b The system is capable of being installed and operated in accordance with the manufacturers instructions and the conditions of accreditation c the system will be accessible for the collection of effluent by the removal vehi
8. ces or inspections 4 7 The service report is to be accompanied by a signed document certifying that the system is operating and performing adequately 4 8 A copy of the service report and certifying document is to be provided to the occupant and council Each service report is to contain a statement reminding the user about items and products that must not be placed in the system 4 9 Each service must include monitoring the operation of the system and associated land application system Date of issue 27 October 2011 Director Building Control Qe delegate of Minister for Workplace Relations 8 Department of Justice Certificate of Accreditation BSRO443 201 I 4 10 The system is to be de sludged strictly in accordance with the manufacturer s recommendations and the sludge is to be disposed of in accordance with the Tasmanian Biosolids Reuse Guidelines and the conditions of permit 4 11 Only persons with a waste transport business Environment Protection Notice are to be engaged for the removal transporting and disposal of accumulated sludge removed from the system 4 12 Any waste material or liquid removed from the system including the Holding Tank must be collected and disposed of or utilised by an approved facility or agency 4 13 Measures are to be put in place during servicing that will protect the environment personnel and any other persons who could be affected by the activity 4 14 The monitoring servicing and reporting o
9. cle tanker at all times and Date of issue 27 October 2011 Director Building Control Oc delegate of Minister for Workplace Relations 4 Department of Justice Certificate of Accreditation BSRO443 201 2 6 2 7 2 8 2 9 2 10 2 11 2 12 2 13 Date of issue 27 October 2011 Director Building Control Ne d the installation site is suitable for the acceptance and further treatment of the wastewater generated from the system Where the system s pedestal s is to be installed within a building containing habitable rooms it must be installed in a separate sanitary compartment and be separated from habitable rooms by way of a permanently ventilated airlock which may be a circulation space providing access to the compartment The minimum ventilation required must be the greater of a 8000 mm or b 1 500th of the floor area of the airlock circulation space Subject to condition 2 5 the system must not be installed within 2m of neighbouring buildings containing habitable rooms All system access openings and covers must be sealed watertight load bearing and non accessible by children All tanks used in the system must be selected from the range of tanks detailed in the table below and verified as complying with AS NZS 1546 1 2008 Range of tanks authorised for use in Hybrid Toilet Systems with Holding Tank Number of persons Type Capacity Litres 5 amp 10 PST 1000 10 SST 600 25 PST 2500
10. f Justice Certificate of Accreditation BSRO443 201 I 3 8 Each system installation must be inspected and checked by the designer or the designer s agent The designer on completion is to prepare a report and certify that the installation has been constructed installed and commissioned in accordance with its design the conditions of accreditation and any additional requirements set out in the permit The designers report is to contain details of inspections and commissioning test results 3 9 Copies of the following reports certificates must be submitted to the council and the owner as soon as practicable after the commissioning of the system and after each scheduled or unscheduled service or inspection for the period specified in the permit a The initial plant installation and commissioning report b All required laboratory analytical test reports and c All inspection and maintenance reports 3 10 Copies of any report or certificate required by the conditions of accreditation must be made available to the Director on request 3 11 The designer is to provide a statement warning the user of any items and products that must not be placed in the system For example disposable nappies cleaning chemicals 3 12 To verify that the system is commissioned sampling must be carried out by a council approved person for BODs TSS The samples are to be tested and reported on by a NATA certified laboratory 4 0 Maintenance and monitoring
11. f the installation must include but not be restricted to the following matters as appropriate Odour Check slime growth on media and report on condition of the media c Check vent pipe on primary tank with powered rotary vent Check and report on sludge level and de sludging Check Holding Tank effluent level and pump out as required f Check toilet pedestal and waste chute and g Check flush pump mechanism and cistern if fitted 5 0 Performance 5 1 The non flush systems are accredited for toilet flows not exceeding 7 2 12 30 60 90 120 and 180 litres per day respectively for the 6 EP 10 EP 25 EP 50 EP 75 EP 100 EP and 150 EP systems 5 2 The micro flush systems are accredited for toilet flows not exceeding 21 35 87 175 262 350 and 525 litres per day respectively for the 6 EP 10 EP 25 EP 50 EP 75 EP 100 EP and 150 EP systems 5 3 The systems are accredited for use by maximum equivalent persons of 6 EP 10 EP 25 EP 50 EP 75 EP 100 EP and 150 EP respectively 6 0 Permitted uses of effluent 6 1 The effluent is held in the holding tank pending collection and disposal off site see 4 12 above Date of issue 27 October 2011 Director Building Control Qe delegate of Minister for Workplace Relations 9 Department of Justice Certificate of Accreditation BSRO443 201 Appendix A Gough Plastics Hybrid Toilet System Holding Tank with Float Gauge Date of issue 27 October 2011 Director Buildin
12. g Control Oc delegate of Minister for Workplace Relations 10 Department of Justice Certificate of Accreditation BSRO443 201 I Appendix B Float Gauge Date of issue 27 October 2011 Director Building Control Oc delegate of Minister for Workplace Relations 11 Department of Justice Certificate of Accreditation BSRO443 201 Appendix C Major Component List Note that the Holding Tank is installed instead of a sub soil effluent dispersal area Pedestal drop toilet up to 2 pedestals per primary tank Vent pipe 100mm PVC on primary tank with 12 volt powered exhaust fan Hand pump and cistern for micro flushing model Primary Tank s 2433mm diameter Secondary Tank 1640mm diameter Holding Tank together with the float gauge Date of issue 27 October 2011 Director Building Control Oc delegate of Minister for Workplace Relations 12
13. ion The Gough Plastics Hybrid Toilet System the system collects and treats domestic wastewater which is then collected in the holding tank pending disposal off site For a typical illustration of the holding tank and float gauge refer to Appendix A and B For System Components including the holding tank refer to Appendix C e Pedestal drop toilet up to 2 pedestals per primary tank e Primary tanks filled with water there may be up to 3 primary tanks e Secondary tank containing filter media and baffles e Holding tank and float indicator gauge e Vent pipe on primary tank with powered rotary vent e Hand pump and cistern on micro flushing model The systems are designed to treat a total daily toilet only discharge from the following Equivalent Persons EP 6EP 10EP 25EP 50EP 75EP amp 150EP respectively Energy consumption Estimated Electricity Usage for a 4 person household with average wastewater flows and loads Electrical Equipment Watts Daily operation kWh year Estimated hours specified Annual Cost by manufacturer 0 20 kWh McVent 1 2 5 10 9 2 00 Description of Treatment Processes The Hybrid toilet is a non flushing or micro flushing displacement toilet The system consists of a pedestal drop toilet that feeds deposited waste into a primary tank filled with water When the system is in use effluent is displaced and flows from the primary tank and drains to the secondary
14. tion maintenance and monitoring attention and x Any other relevant considerations related to the use of the system 2 17 The following reports must be submitted to the permit authority and owner and be made available to the Director upon request after commissioning of the system Installation and commissioning report The Installation and Commissioning Report is to cover the as constructed records of the system installation together with the results of commissioning tests to demonstrate correct construction and installation and is to be provided to the owner and permit authority on completion of the work Refer to and AS NZS 1547 Clause 4 5 6 3 and associated appendices to Clause 4 5 Inspection and Maintenance Report Maintenance reports cover ongoing inspection and maintenance operations in order to monitor the operation of the installation Refer to AS NZS 1547 Clause 3 7 4 and associated Appendix 3A 2 18 Effluent distribution by sub surface application may be permitted where the Permit Authority is satisfied that the application for a permit to install the system has demonstrated that the a effluent can be retained within the authorised land application area b where applicable the land application system has been designed and is capable of being installed and maintained in accordance with AS NZS 1547 and c the location of the land application system satisfies the relevant requirements of the State Policy on Water Q
15. tions the system is capable of achieving better then conventional septic tank standard BOD 10 g m and a TSS 10 g m Date of issue 27 October 2011 Director Building Control Oe delegate of Minister for Workplace Relations 3 Department of Justice Certificate of Accreditation BSR0443 201 I Schedule 2 Conditions of Accreditation 1 0 Definitions In this schedule AS NZS 1547 means the Joint Australian New Zealand Standard AS NZS 1547 2000 On site domestic wastewater management AS NZS 3000 means the Joint Australian New Zealand Standard AS NZS 3000 2000 Wiring rules BOD means 5 day Biochemical Oxygen Demand Council means the Municipal Council having jurisdiction Designer means a person who has a specialty in the area of designing on site waste water management system installations and may include but not be restricted to appropriately trained professional engineers soil scientists land surveyors and plumbers Director means the Director of Building Control g m means grams per cubic metre Manufacturer means Gough Industries Pty Ltd NATA means National Association of Testing Authorities PCA means Plumbing Code of Australia 2004 Permit means a Permit issued by the council pursuant to section 82 of the Building Act 2000 Permit authority means a person or body authorised for that purpose by the council of the municipal area in which the on site waste water m
16. uality Management 1997 3 0 Installation Commissioning and Operation 3 1 The installation commissioning and operation of the system must comply with the conditions of accreditation and the manufacturer s instructions 3 2 All plumbing work carried out in connection with the system installation must satisfy the requirements of the Building Act 2000 TPC and the Tasmanian Plumbing Regulations and be carried out by a licensed plumber drainer with appropriate competencies 3 3 All installations of the system must satisfy the installation requirements set out in Appendix A1 On site Waste Water Management Systems of the TPC 3 4 All access openings must be at or above ground level or be able to be extended to the finished ground level if installed below ground 3 5 Inspection openings must be located to give access at finished ground level to the inlet fittings to absorption trenches and to provide for the ongoing monitoring of trench performance 3 6 All electrical work must be carried out by a licensed electrician and in accordance with relevant provisions of AS NZS 3000 3 7 Where the system requires a 240V AC power supply a weather proof isolating switch must be provided at the power outlet The power supply must have its own clearly marked designated circuit breaker in the electricity supply fuse box Date of issue 27 October 2011 Director Building Control Qe delegate of Minister for Workplace Relations 7 Department o
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