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.
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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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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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 PPE in accordance with Multinet Gas as a minimum and Comdain expectations and within inspection/ replacement dates?
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)
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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 been protected onsite asset and infrastructure - barriers / communication been completed? (Protect)
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Has supervisor been advised if high risk scenario? (Proceed)
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Is the gas meter location in accordance with engineering standard ES-DD-4352
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Has Service Pipe and Gas meter assembly been tested to ensure it is not ‘electrically’ live using an approved tester?
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Have wet rags been used when Disconnect meter using cross bonding leads?
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If voltage is detected – was restrict area, inform consumer, isolate power, contact supervisor? Note: do not carry out any work until fault has been determined
Excavate - Prepare service trench & mains excavation
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Are service line routes established as a straight line between the tapping point and the meter? <br>When not practicable, have the service lines entered the property in a straight line from the tapping point?
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Has the trench been excavated to ensure the depth will meet MG requirements for pipe cover?
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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?
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(If Boring) Prior to boring have all assets that may be crossed during boring activities been fully exposed? <br>Prove by hand or using Non-conductive tools / NDD to establish exact location to a quality level A - using appropriate tools & asset owner approval
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Is the bore at minimum of 1.5 times the pipe diameter? <br>When requirement cannot be met – risk assess prior to commencing work. i.e. ground conditions SWP 8.3
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(If inserting) Has the pipe been inserted at the correct depth?
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Has the carrier pipe been sealed at each break to prevent gas travelling if a leak occurs?
Prepare Service
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Does pipe quality meet MG standards?<br>i.e. pipe integrity - no damage<br>
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Has pipe been transported and stored appropriately – no damaged to the integrity of the pipe?<br>i.e.: store pipe off ground, ensure capped and pipes are secure.
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 laid snaked in trench to allow for pipe contraction?
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If installing a below ground regulator (black Box) – has approval been received from MG.
Connect Pipe to Upstand
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Has upstand been bent at the correct height (350mm above finished ground) at the meter position? <br>Note: Copper service risers are only to be used in the Multinet Gas South Gippsland town’s area and only when steel risers are not available.
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Is fusion & all electrical equipment been maintained, within calibration, and electrical test dates and in serviceable condition? <br>(socket fusion)
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Prior to socket fusion is the pipe cleaned, stiffener in correct position and iron at the correct temperature?
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Has the pipe ends been placed into the heating iron for a timed period (10 seconds- using a timing device) to complete socket fusion?
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If manifolds are installed: <br>- Has manifold been stamped with a traceability number and painted as per MG Engineering standard. <br>- have they been supported (brackets) <br>- Has it been connected to the service via electrofusion as per MG mainlaying SWP 5.10 S6.5
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Has upstand been supported in the trench with a wall bracket or approved aluminium stakes?
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Has an Additional Service Isolation Valve (ASIV) been installed outside of property? (internal service only)
Connect Pipe to Main
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Has the correct size tee been selected to suit the main and service pipe?
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Has the clamp and service tee been installed onto a cleaned and prepared main and service tee?<br>(Saddle & Socket Fusion)
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Is fusion & all electrical equipment been maintained, within calibration, within electrical test dates and in serviceable condition?
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Is heating iron is at 220 degrees?
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Has the 3 second test pattern been completed prior to performing saddle fusion?
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Was heating iron placed on main with the clamp service tee down for the correct time period? (40 seconds - using timing device)
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Was fusion cooling time period completed? (15 Minutes)
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Has coating been removed as per SWP 1.2 <br>(Steel Main Welding)
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As Steel welds been performed as AS4645 and MG procedure?
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Have steel pipes been wrapped as Per SWP 3.7
Cover Pipe
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Has the pipe been covered with appropriate packing material?(e.g. 80mm cover)
Pressure Test
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Is Washington pressure tester is maintained, within test dates, green fluid is within glass & inspected prior to use (no defects)?
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Has Washington pressure tester been connected to upstand valve
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Has the entire service been pressure tested? (5 minute stabiliser - 3 minute test)
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If result of pressure test fails to meet expectations <br>– has crew investigated and fix problem area and retested until a positive result is achieved?
Corrosion Protection
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Has protective wrapping and/or paint been applied to bare metal surfaces.
Commission & Purge
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Was the flare stack equipment connected to the upstand valve and ensure valve is in the 'off position'?
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Has the main been tapped via service tee cutter and install service tee cap?
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Has a soap test been completed on service tee cap?
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Has gas flare stack been purged to ensure 100% gas reading on gas detector?
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Has flare stack equipment been disconnected - ensuring valve is in 'off position' and cap service valve?
Backfill & Reinstate
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When backfilling service line trench and mains excavation has compaction been completed every 150mm?
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Does reinstatement / clean up and meets property owner, Local Government authorities and Vic Roads requirements?
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Is temporary reinstatement safe i.e. level & barriers and customer notification has been completed (letter drop)?
Document
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Has service documentation been completed ensuring correct service size, length, pressure and fittings are accurately recorded?
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Has permanent reinstatement notification been completed?
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Have red card (refix relight card) been provide to applicable properties?
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