- Confirm all operatives hold current gas competency cards before work starts.
- Follow the approved safe working practice for every live gas procedure.
- Monitor for gas continuously using calibrated portable gas detectors in excavations.
- Use only approved PE pipe, fittings, and fusion equipment for gas installations.
- Squeeze off PE pipe using approved equipment before making cuts or connections.
- Ensure electrofusion joints are made in clean, dry conditions per IGEM standards.
- Purge and test all new pipework before commissioning and putting it into service.
- Maintain fire extinguishers and no-smoking zones around all gas working areas.
- Report any gas escape immediately and follow the gas escape emergency procedure.
- Protect completed PE pipe from UV exposure and mechanical damage during backfill.
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- DON'T allow unqualified personnel to work on live or decommissioned gas mains.
- DON'T make electrofusion joints in wet or contaminated conditions on PE pipe.
- DON'T use any ignition source within the gas safety zone around open pipework.
- DON'T enter an excavation with a gas reading above the lower explosive limit.
- DON'T squeeze off PE pipe without approved equipment and trained operators.
- DON'T leave exposed PE gas pipe unprotected from UV sunlight on site.
- DON'T backfill over gas pipe without confirming joint integrity test results.
- DON'T bypass the permit system for any live gas working operation.
- DON'T use metallic tools that could create sparks near open gas pipework.
- DON'T assume old mains are gas-free; treat all pipework as live until proven.
See also: Gas Main Installation Safety | Gas Escape and Emergency Procedures
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