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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Service Provider
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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
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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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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Do all personnel have MG passports on site?
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Is PPE in accordance with Multinet Gas as a minimum, 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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Are all DBYD plans (& other) on site? (plan) (within 28 days)
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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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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 and infrastructure been protected onsite - 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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Is trench depth meeting MG requirements for pipe cover <br>• Up to 63mm pipe Excavate to required depth: nature strip & Road way =800mm, Major roads & tram crossings= 1200mm. <br>• Large Diameter pipe follow completed risk assessment <br>
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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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Has appropriate pipe 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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(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
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 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.
Lay Pipe
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Has copper wire been taped to the pipe every 1.5 meters?
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Has pipe been placed in trench on top of MG approved bedding material.
Cover Pipe – backfill
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Has MG approved packing material been used? Has trench been backed filled & compacted every 150mm. & marker tape been used
Pigging & Pressure Test (24hrs)
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Prior to pigging all equipment is to be pressure rated and calibrated.<br>Has a pigging plan been endorsement & pigging equipment pressure rated and calibrated
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Has pigging been completed for steel mains & long radius bends must be used.
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Has pressure test been completed daily using endorsed equipment that is maintained and calibrated? Has the final pressure test been completed using endorsed equipment that is maintained and calibrated?
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 purge 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.
Backfill and Reinstate
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Has trench been backed filled & compacted every 150mm & marker tape been used
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Have temporary reinstatement been left in a safe manner and customer notification been completed (letter drop).
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Does reinstatement / clean up meet property owner, Local Government authorities and Vic Roads requirements.
Complete Documentation
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Has a permanent reinstatement notification been completed
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Has mainlaying documentation been completed – Recording correct mainlaying size, length, pressure, fittings and as laid drawings
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Other comment
Sign off
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Auditor(s)
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Auditee (Crew Leader)
