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)
Prior to Commencing Work SWP 2.1, SWP 2.5, MG MA E0.001
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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 JSEA/risk assessment identified site specific risks, been signed and dated by all crew members and have SWMS been identified for the task?
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Are all identified risk control measures on SWMS and JSEA/risk assessment in place?<br>Are required high risk work permits and associated checklists in place?
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Has the Traffic/Pedestrian Management Plan been identified/created and available on site and documented on the JSEA/risk assessment?<br>Has traffic management been implemented and have any changes been recorded on the JSEA/risk assessment?
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Is PPE in accordance with Multinet Gas as a minimum and Service Providers expectations and within inspection/ replacement dates?
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Does the excavation / manhole have appropriate support / effective engineering controls (i.e. battered, shields, shoring, etc)?<br>Is the excavation / manhole large enough to work in comfortably and has safe entry/exit been provided (e.g. ladder and consideration for emergency situations)?
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For deep excavations – Has a permit been authorised by the Supervisor and notification made to WorkSafe?<br>Is the excavation being monitored during work and controls in place for unmanned work?
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Are field employees aware of the emergency plan and is emergency equipment readily available?<br>Extinguisher located up wind and accessible to the worksite (SWP 2.5)?<br>Is the extinguisher with-in test date?
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Have environment impacts been considered on the risk assessment, i.e. waste, water (including syphon water), soil management, sediment control, contamination, emission, flora (incl tree mgt) and fauna, heritage? Refer to MG MA E0.001, Environmental Field Manual – Guidelines<br>Has risk / contamination been effectively controlled?
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Have all hazardous chemicals / substances (including asbestos) been managed and disposed of as per expectations and SWPs by competent and trained persons (SWP 2.11)?
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Have sources of ignition been eliminated from work area?
Locate and Prove Assets SWP 8.1
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Have the 5Ps been utilised effectively?<br><br>Plan – has planning been completed prior to work commencing – identify risk / controls to be implemented (including DBYD plans, no go zone rules)?
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Prepare – have trained and competent (DBYD class/field certified) employees been utilised to identify underground assets – using approved DBYD locators?
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Pothole/Prove – has Potholing been used to establish the exact location of the asset?
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Protect – has the infrastructure been protected by – marking assets, identifying exclusion zones, placing barriers and communicate effectively?
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Proceed – has work proceeded with all the above risk controls in place?
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Have underground assets been documented on asset location sheet and Supervisor been advised of high-risk scenario (including HV checklist)?
Specific HSE Checks SWP 1.4, SWP 1.5, SWP 1.7, SWP 2.4, SWP 2.8, SWP 2.9, SWP 2.10, SWP 2.11, SWP 2.14
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Does the task require entering and working in a confined space and, if so, are the personnel competent and compliant (SWP 1.5)? <br>(check passports and ‘prior to work checks’ have been completed)<br>o Is rescue equipment on site?<br>o Has an entry permit been used correctly?
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Are all persons required to work in a gaseous environment trained and competent in the operation and care of respiratory protection?<br>Is the correct respiratory protection being used? <br>(check passports and ‘prior to work checks’ have been completed) <br>Has the following been considered?<br>o Are there adequate personnel on site?<br>o Have ignition sources been addressed<br>o Is there adequate ventilation to disperse contaminants?<br>o Has a standby been appointed?<br>o Is the B.A equipment and fire extinguisher manned?<br>
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Has the worksite, all excavations and trenches been secured safely (i.e. signs, barricades, exclusion zones, fencing, plates) when unattended (including overnight)? (SWP 2.4)
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Has a designated rest area been assigned?
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Has the Jeavons J106 regulator been handled and disposed of appropriately as per SWP 2.14?
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Is all electrical equipment calibrated and within test and tag dates?
Electrical Tests SWP 2.13
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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 voltage tester (SWP 2.13)?
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If voltage is detected – was area restricted, consumer informed, power isolated, supervisor contacted (SWP 2.13)?<br>Note: Do not carry out any work until fault has been determined.
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Has the meter been disconnected using cross bonding leads (SWP 2.13)?
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Have wet rags been used where required to eliminate static?
Removal of Pipe Coatings from Steel Mains SWP 1.11
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Has pipe area been clean, cut and scrape to expose mastic?
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Removal of coating – asbestos containing material <br>- Has appropriate PPE been used to remove coal tar enamel?<br>- Has wastes been collected (double bagged) and made ready to transport to depot for disposal?
Safe Work Practice When Conducting Maintenance and/or Repairs on Pipelines, Mains or Services SWP 2.1
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Had a dry chemical fire extinguisher been placed correctly?
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Have the plans been used to identify the type and location of the gas assets?
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In the case of a damage or escape has the gas cloud been assessed?
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In the case of a damage or escape has the wind direction been identified?
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In the case of a damage or escape has the need for respiratory protection been addressed?
Service Cut Off MG SWP 3.11
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Was the Service Tee Shut down by winding the punch down?
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Was the service depressurised through the service valve?
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Has service been check for 100% shut off at the service valve by:<br>1/ Using soap and water solution at the outlet of the service valve?<br>2/ Shutting the service valve, waiting 30 second and re-opening the Service Valve to check for pressure build up?
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Has the service been cut off with in 100mm of the main?<br>- If this was not possible, was Multinet’s approval obtained?
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(Perfection / stab couplings)<br>Was the pipe wiped clean and the last 50mm inspected for damage?
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(Perfection / stab couplings) <br>Was the Perfection chamfering tool used and the insertion depth marked with a felt tip pen/soft pencil?
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(Perfection / stab couplings) <br>Has coupling been installed onto pipe the to a depth where the depth mark is just visible?
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Following Cut off:<br>- Was the service tee cap replaced and all fittings leak tested using soapy water?
Cut off using Socket Fusion and blank end fitting Socket Fusion of PE Pipe and Fittings MG SWP 3.6
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Was the Service Tee Shut down by winding the punch down?
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Was the service depressurised through the service valve?
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Has service been check for 100% shut off at the service valve by:<br>1/ using soap and water solution at the outlet of the service valve?<br>2/ Shutting the service valve, waiting 30 second and re-opening the Service Valve to check for pressure build up?
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Is heating iron is at 220 degrees?
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Was the pipe prepared by, cleaning with water and paper, sanded with 180 grit wet and dry paper towel in 1 direction?
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Was the stiffener used correctly?<br>- Protruding 3mm on 16mm pipe<br>- Inserted flush with the end for all other pipe
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Were the cold ring pliers used?
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Was the correct heating time observed (10seconds)?
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Following Cut off:<br>- Was the service tee cap replaced and all fittings leak tested using soapy water?
Poly Service, Skinner Tee Cut Off MG SWP 4.7, MG SWP 4.12
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Was the Service Tee Shut down by winding the punch down?
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Was the service depressurised through the service valve?
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Has service been check for 100% shut off at the service valve by:<br>1/ using soap and water solution at the outlet of the service valve?<br>2/ Shutting the service valve, waiting 30 second and re-opening the Service Valve to check for pressure build up?
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Was the gland nut removed from the skinner Tee and a blank plug fitted?
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Following Cut off:<br>- Was the service tee cap replaced and all fittings leak tested using soapy water?<br>- Exposed steel wrapped using the 5 step Denso process?
Hydraulic Steel Pipe Squeeze off SWP 7.17 15 mm to 25mm High and medium pressure steel cut off
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Have correct squeeze off location been selected?
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Has coating been removed appropriately?
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Has the pipe seam been located?
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Have the jaws of the jacks been installed correctly to ensure the squash is on the seam, avoiding defects and joint welds?
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Has the service been de-pressurised through the service valve?
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Has cross bonding leads installed around the proposed cut?
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Has service been squashed in two locations?
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Has service been cut in two places one being on the first squash?
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Has the cut been sealed by a qualified arc welder?
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Was Multinet written approval obtained to thread and cap a steel service as a method of service cut off?
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Has bare steel pipe and fittings been wrapped using the five step Denso process?
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Has backfill / reinstatement been completed as per MGN expectations?
Service Cut Off using Electrofusion Electro Fusion MG SWP 5.8, 1.10 Williamson Short Stop 2 MG SWP 7.13 HP Electrofusion Tapping Tees MG SWP 7.9
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High flow service tee<br>Was the Service Tee Shut down by winding the punch down?
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Williamson Tee<br>Was the Service Tee Shut down by stopping with the Williamson equipment?
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Williamson Tee<br>Was the Service Shut down by squashing the poly?<br>Were two squashes used?<br>Was a purge end used and vented to a flame trap?
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Was the service depressurised through the service valve?
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Has service been check for 100% shut off at the service valve by:<br>1/ using soap and water solution at the outlet of the service valve?<br>2/ Shutting the service valve, waiting 30 second and re-opening the Service Valve to check for pressure build up?
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Electrofusion Preparation<br>Has electrofusion preparation been completed correctly, including<br>- Pipes cut square with approved cutters and burns removed?<br>- Electrofusion fitting placed correctly and marked?<br>- Pipe cleaned (using approved paper towel)?<br>- pipe scraper used to remove the surface of the pipe within the fusion area?<br>- Were the line-up marks still visible after scraping?<br>- Was the prepared end protected from the environment?
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Pipe Connection<br>Have pipes connections been checked for cleanliness, alignment and cooling times adhered to.<br>• Has the electrofusion fitting been aligned correctly – up to line up mark? <br>• has the second pipe end been aligned correctly – up to line up mark?<br>• Have line-up clamps been secured around pipes to be joined?<br>• Has the fusion time on the fitting been checked?<br>• Has the generator output been checked for correct kVa?<br>• Has the correct type of electrofusion control box been utilized?
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Has the correct process been used to complete electrofusion fusion cycle:<br>• If fittings are manual was correct fusion times selected?<br>• Correct fusion and heating time been used?<br>• fusion left undisturbed during cooling time?<br>• Joint inspected for “melt indicators”? <br>• Did the operator exit the excavation before starting the fusion process?<br>• Has operator name, date and cooling time been recorded on the pipe?
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Low Pressure Service Cut Off uncontrolled tapping Low Pressure Service Cut Off SWP 4.7
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Was the need for respiratory protection addressed?
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Steel<br>Was the pipe tested with a volt tester and cross bonding leads fitted around the proposed cut?<br>Poly<br>Were wet rags to earth places on both sides of the proposed cut?
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Were the tools and pipework wet down?
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Was a fire extinguisher manned in a upwind location while the task was being performed?
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Was Denso mastic prepared to stop gas flow once the pipework was cut?
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Was the pipework cut at 450 to allow the Tee to be screwed in an anti-clockwise direction to allow the Denso mastic to be inserted to stop gas flow?
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Was the correct size plug prepared to be installed once the tee or elbow is screwed out of the main?
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Was the tee or elbow removed from the main and the plug installed to stop gas flow?
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Was the plug tested for leaks using soap / water solution?
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Was the service upstand cut off below ground level?
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Was the Service blown down, both ends of the redundant service pipe sealed by threading and capping off?
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In the case where the service pipe is corroded and threading is not possible, was it seal with mastic and polyethylene overwrap?
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Has backfill / reinstatement been completed as per MGN expectations?
Low Pressure Service Cut Off Wask Service Tee PVC tapping Low Pressure Service Cut Off SWP 4.7
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Was the need for respiratory protection addressed?
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Were the tools and pipework wet down and wet rags to earth places on both sides of the proposed cut?
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Was the Wask tee shut down?
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Was a fire extinguisher manned in a upwind location while the task of shutting down the Wask tee was being performed?
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Was the correct size plug prepared to be installed once the tee is removed from the main?
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Was the tee removed from the main and the plug installed?
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Was the plug tested for leaks using soap / water solution?
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Was the service upstand cut off below ground level?
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Was the Service blown down, both ends redundant service pipe sealed with mastic and polyethylene overwrap?
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Has backfill / reinstatement been completed as per MGN expectations?
Low Pressure Service Cut Off Wask Service Tee, Cast iron and Steel tapping Low Pressure Service Cut Off SWP 4.7 Wask Tee Set Operation SWP 7.1
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Was the need for respiratory protection addressed?
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Was the Wask tee shut down?
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Was the Wask tapping equipment installed correctly to remove the tee and install the plug?
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Was the correct size plug prepared to be installed once the tee is screwed out of the main?
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Was the tee removed from the main and the plug installed using the Wask tapping equipment?
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Was the plug tested for leaks using soap / water solution?
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Was the service upstand cut off below ground level?
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Was the Service blown down, both ends redundant service pipe sealed with mastic and polyethylene overwrap?
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Has backfill / reinstatement been completed as per MGN expectations?
Steel Pipe Work Corrosion Protection Protective wrapping of steel pipe MG SWP 3.7
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Has the correct method of pipe protection been chosen?
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Have steel service tee been wrapped as Per SWP 3.7?
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Have steel pipes been wrapped following the five step Denso process?
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Has protective wrapping and/or paint been applied to bare metal surfaces?
Flaring Off using Purging Equipment When commissioning or decommissioning gas mains and services SWP 1.10
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Were the following precautions completed:<br>- Was a purge stack used when the service was depressurized?<br>- Static electricity dispersed using bonding leads from purge stack to an earth stake?<br>- Was purging completed as per requirements and 100% gas in air achieved?
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Other comment
Sign off
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Auditor(s)
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Auditee (Crew Leader)
