Information

  • Audit Title

  • Job Description

  • Location
  • Conducted on

  • Prepared by

  • Contractor(s)

  • Work Group (name of crew leader & members)

  • Auditor(s)

  • Additional Representative(s)

Planning

  • Has all planning information met job requirements and a job reference number assigned – including construction drawings

  • Have all consumers who will be impacted been notified letter & door knock

  • Has MG Boring Plan requirements been adhered to for Large Diameter

Prior to Commencing Work

  • Have you checked for Life Support Customers in today’s work area, and was it safe to proceed with works?

  • Are all relevant SWMS on site?

  • 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?

  • Do all personnel have MG passports on site?

  • Is all training, authorisations and qualifications current for the functional role of the passport holder? (Including contractors e.g. traffic management)

  • Are all identified risk control measures on SWMS and JSA/site risk assessment in place?

  • Has the Traffic/Pedestrian Management Plan been identified/created and available on site and documented on the JSA?

  • Is PPE in accordance with Multinet Gas as a minimum and Service Provider and within inspection/ replacement dates?

  • Has all plant and equipment been checked to ensure it is maintained, calibrated prior to use (prestart checks)?

Locate, Prove & Protect

  • Is underground asset locator trained and competent?

  • Are all DBYD plans (& other) on site? (plan)

  • Have all assets and infrastructure been located and mark out to a quality level B & document on forms/ asset location sheet (Prepare)

  • Have no go zone rules are adhered too - using appropriate tools. (Prepare)

  • 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)

  • Have assets been protected onsite asset and infrastructure - barriers / communication been completed? (protect)

  • Has supervisor been advised if high risk scenario? (proceed)

Excavation Prepare bore holes

  • Have launch and receiver pits been excavated appropriately including - Potholing between launch and receiver pits to expose all assets.

  • Have clearances been established from other assets <br> • 150 mm: when crossing any other utilities<br> • 300 mm: when utilities running parallel with other.

  • Has boring been completed as per boring plan – including minimum of 1.5 times the pipe diameter

Prepare Pipe

  • Has plan for transport and storage of the pipe to be completed without damaging integrity of the pipe?

  • (mains) Has pipe quality been checked and meet MG standards? pipe integrity & no damage

  • Has pipe stringing been recorded on JSA and strung in appropriate locations i.e.: not outside hospitals, across roadways / carparks etc..

  • (up to 63mm) Is butt fuse equipment in serviceable condition, calibrated and regularly tested with pyrometer?

  • Has pipe been cut and clamped appropriately.

  • Has pipe identification been completed - top of pipe, at each side of clamp.

  • Has heating iron been used at 220 degrees using a clean facing tool (iron) and approved paper towel. Once fused has fusion remained undisturbed for 2 minutes and cooled for 15minute in lock clamp.

  • (Large Diameter) Ensure Large diameter butt fusion chip is correct. Allow the joint to remain undisturbed for two minutes until joint has solidified.

  • Approved automatic Butt fusion machine is be used

  • Pipe identification to be on top of pipe, at each side of clamp.

  • Complete a test joint to ensure fusion is functioning appropriately.

  • Clean facing tool and heating iron with approved paper towel prior and after use.

  • Ensure pipe is stable in fusion equipment and on rollers.

  • Ensure heating cycle is completed and cooling time is adhered too.

  • (Electro fusion) Has pipe been Scrape / champhered and has line up clamp been used

  • Has pipe been marked at centre of coupling on both ends of pipe?

  • Has coupling been fused for required heat time and cooling time is met.

  • Has Operator ID been noted on the joint

Lay Pipe

  • Has copper wire been taped to the pipe every 3.0 meters?

  • Has a break away been installed between the rods and pipe?

  • Has one full length must be pulled through for inspection

Pressure Test – 1hrs

  • Prior to pigging all equipment is to be pressure rated and calibrated. Has a pigging plan been endorsement & pigging equipment pressure rated and calibrated

  • Has pigging been completed for steel mains & long radius bends must be used.

  • Has pressure test been progressively completed daily using endorsed equipment that is maintained and calibrated?Has final pressure test been completed using endorsed equipment that is maintained and calibrated - and for 24 hours using data logger or chart recorder.

Connect pipe to main

  • (poly-poly) Has static electricity been controlled by using wet rags

  • Has main been squeezed off and purged using flame trap.

  • Has pressure been released from newly laid main (pressure test step)

  • Has pipe been cut with pipe cutters – scrapped and champered

  • Has centre of coupling been marked on both ends, installing coupling and clamp

  • Has coupling been fused safely for required heat time and ensure cooling time is met

  • Has purging been completed - With reference to the commissioning plan

  • Has waste risk been managed using endorsed procedures/ training? (i.e. coal tar enable/ asbestos or plastic jacket)

  • Has Poly Squeeze off been reinforced using stainless steel repair clamp

  • (Williamson tee) Has an approved MG Welder been used to weld Williamson Tee / shortstop

Commission and purge service

  • 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

  • Has a steel road plate been installed to cover excavation (ie. launch or receiver pit) – and barricaded for safety.

  • Has trench been backed filled & compacted every 150mm & marker tape been used

  • Does reinstatement / clean up meet property owner, Local Government authorities and Vic Roads requirements.

  • Have temporary reinstatement been left in a safe manner and customer notification been completed (letter drop).

Complete Documentation

  • Has a permanent reinstatement notification been completed

  • Has mainlaying documentation been completed (as trained) – Recording correct mainlaying size, length, pressure, fittings and as laid drawings

  • Other comment

Sign off

  • Auditor(s)

  • Auditee (Crew Leader)

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