Use this DN-10 Dead Service Insertion checklist to assess competency and document each step of replacing a steel gas service by dead insertion. It covers site checks for corrosion, excavation and decommissioning, purging to 0% gas in air, ECV removal and standpipe inspection, measuring service length and gas load, calculating PE diameter and pressure drop, clearing debris, safe insertion and communication, visual checks for kinks and scoring limits over 10%, fitting the service head adaptor and IECV, connection to the main, pressure testing, commissioning and purging in line with SGN procedures, sealing and annulus filling, applying electrical insulation, and completing the service information label.
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