Information
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Audit Title
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Job Description
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Location
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Conducted on
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Prepared by
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Contractor(s)
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Work Group (name of crew leader & members)
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Auditor(s)
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Additional Representative(s)
Planning
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Has all planning information met job requirements and a job reference number assigned – including construction drawings
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Have all consumers who will be impacted been notified letter & door knock
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Has MG’s agreed sequence been adhered to?
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Have area syphons been checked and cleared where applicable prior to the commencement of stopping off.
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Service Provider
Prior to Commencing Work
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Have you checked for Life Support Customers in today’s work area, and was it safe to proceed with works?
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Are all relevant SWMS on site?
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Has the JSA/site risk assessment identified site specific risks, been signed and dated by all crew members and have SWMS for task been identified?
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Are all identified risk control measures on SWMS and JSA/site risk assessment in place?
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Has the Traffic/Pedestrian Management Plan been identified/created and available on site and documented on the JSA?
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Do all personnel have MG passports on site?
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Is all training, authorisations and qualifications current for the functional role of the passport holder? (Including contractors e.g. traffic management)
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Is PPE in accordance with Multinet Gas as a minimum and Service Provider expectations and within inspection/ replacement dates?
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Has all plant and equipment been checked to ensure it is maintained, calibrated prior to use (prestart checks)?
Locate, Prove & Protect
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Is underground asset locator trained and competent?
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Have all assets and infrastructure been located and mark out to a quality level B & document on forms/ asset location sheet (Prepare)
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Have no go zone rules are adhered too - using appropriate tools. (Prepare)
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Are all DBYD plans (& other) on site? (plan)
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Have assets been proved by hand using appropriate Non-conductive tools / NDD to establish exact location to a quality level A? Has asset owner approval been received? (pothole)
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Have assets been protected onsite asset and infrastructure - barriers / communication been completed? (protect)
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Has supervisor been advised if high risk scenario? (proceed)
Excavation Prepare Mains trench
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Have insertion entry and exit trenches been excavated to no less than 2m in length.<br>
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Do:<br>• Insertion pipes (63mm) have a minimum cover of 400mm. <br>• Large diameter pipes have a minimum cover of 600mm
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Have clearances been established from other assets <br>• 150 mm: when crossing any other utilities<br>• 300 mm: when utilities running parallel with other.
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(pipework safety) Has approved tester been used to ensure pipe is not electrically live?
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Have the following Cross bonding leads / method been adhered to: <br>• Have cross bonding leads been used when disconnecting gas pipework?<br> • Have Wet rags been used to eliminate static electricity when cutting / disconnecting plastic pipes<br>• If voltage was detected was – has area been restricted, customer been inform, power isolated, supervisor contacted?<br>• Has earthing stake been correctly used
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Has mains stop off & purge been completed as MG standard
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Have Service tapping excavations been prepared correctly. Have mains squeeze off requirements been met for multiple service connection points
Prepare Pipe
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Has plan for transport and storage of the pipe to be completed without damaging integrity of the pipe?
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(mains) Has pipe quality been checked and meet MG standards? pipe integrity & no damage
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Has pipe stringing been recorded on JSA and strung in appropriate locations i.e.: not outside hospitals, across roadways / carparks etc..
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(up to 63mm) Is butt fuse equipment in serviceable condition, calibrated and regularly tested with pyrometer?
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Has pipe been cut and clamped appropriately.
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Has pipe identification been completed - top of pipe, at each side of clamp.
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Has heating iron been used at 220 degrees using a clean facing tool (irons) and approved paper towel. Once fused has fusion remained undisturbed for 2 minutes and cooled for 15minute in lock clamp.
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(Large Diameter) Ensure Large diameter butt fusion chip is correct.
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Approved automatic Butt fusion machine is be used
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Pipe identification to be on top of pipe, at each side of clamp.
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Complete a test joint to ensure fusion is functioning appropriately.
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Ensure pipe is stable in fusion equipment and on rollers.
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Clean facing tool and heating iron with approved paper towel prior and after use.
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Ensure heating cycle is completed and cooling time is adhered too.
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(Electro fusion) Has pipe been Scrape / shamphered and has line up clamp been used
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Has pipe been marked at centre of coupling on both ends of pipe?
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Has coupling been fused for required heat time and cooling time is met.
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Has Operator ID been noted on the joint
Lay Pipe
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Has copper wire been taped to the pipe every 3 meters?
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Have end cap to PE pipe been connected to prevent foreign materials from entering during the insertion process.
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Have insertion bushes been installed at each mains end.
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During insertion has the <br>• pipe been on rollers &/or bags <br>• pipe been protected from the sharp edge
Pressure Test – 1hrs
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Has Pressure test been completed using endorsed data logger equipment that is maintained and calibrated? Has the Test been completed for the entire main, for 700 kPa for a minimum of 1 hours.
Connect pipe to main
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(poly-poly) Has static electricity been controlled by using wet rags
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Has main been squeezed off and purged using flame trap.
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Has pressure been released from newly laid main (pressure test step)
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Has pipe been cut with pipe cutters – scrapped and champered
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Has centre of coupling been marked on both ends, installing coupling and clamp
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Has coupling been fused safely for required heat time and ensure cooling time is met
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Has purging been completed - With reference to the commissioning plan
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Has waste risk been managed using endorsed procedures/ training? (i.e. coal tar enable/ asbestos or plastic jacket)
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Has Poly Squeeze off been reinforced using stainless steel repair clamp
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(Williamson tee) Has an approved MG Welder been used to weld Williamson Tee / shortstop
Commission and purge service
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Has commission and purging requirements been completed with reference to commissioning plan. <br>Has purge equipment been pressure rated & purging completed at 100% gas.
Connect Services
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Have Service connections been completed as service laying manual.
Backfill and Reinstate
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Has trench been backed filled & compacted every 150mm & marker tape been used
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Has MG approved bedding material been used: <br>• Up to 63mm pipe - 80mm of bedding material below the pipe, 100mm of bedding material either side of the pipe.<br>• Over 63mm pipe - 150mm below and 100mm on either side of the pipe
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Does reinstatement / clean up meet property owner, Local Government authorities and Vic Roads requirements.
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Have temporary reinstatement been left in a safe manner and customer notification been completed (letter drop).
Complete Documentation
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Have relight / red cards been left for customers if required. (refix relight card)
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Has mainlaying documentation been completed (as trained) – Recording correct mainlaying size, length, pressure, fittings and as laid drawings
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Has a permanent reinstatement notification been completed
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Other comment
Sign off
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Auditor(s)
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Auditee (Crew Leader)
