Live Mains Insertion on Low-Pressure Mains up to 180mm
by Alan Milford, from the Community
This procedural checklist guides field operatives through live mains insertion on low-pressure gas mains up to 180mm. It details required tools and equipment, site preparation, bypass commissioning, flow stopping, purging, integrity pressure testing, insertion, and completion. It also covers service transfers, host main decommissioning, and live head recovery. Emphasis is placed on safety controls, gas isolation, pressure monitoring, leak detection, and proper reinstatement, with a final assessor sign-off.
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This community page makes available free workplace checklists and templates created by other users within the SafetyCulture community. SafetyCulture has re-published this content and where possible, has credited the original author. SafetyCulture has not verified the accuracy, reliability or suitability of any community content. You agree that your use of any of this content is in accordance with SafetyCulture’s Terms and Conditions.