Template

MGN Mainlaying Insertion Checklist

by Karen Kennan, from the Community

10+

This checklist supports safe and compliant gas mainlaying by insertion. It guides crews through planning and notifications, life support customer checks, SWMS and JSA requirements, traffic and pedestrian management, PPE and equipment readiness. It covers locate, prove and protect of underground assets, trench preparation and clearances, electrical isolation and cross bonding, pipe preparation with butt fusion or electrofusion, laying and protection, a one hour pressure test at 700 kPa, connections and commissioning, service reconnection, and backfill and reinstatement. It ends with documentation, customer communication, and sign off.

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Confirm accountability and compliance with a digital log

About author

Community

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.

Template
MGN Mainlaying - Boring
This checklist supports safe gas mainlaying by boring. It covers planning and notifications, life support customer checks, SWMS and JSA, PPE and plant inspections, traffic and pedestrian management, and locate, prove, protect steps with DBYD. It guides excavation and clearances, pipe preparation and fusion methods, laying and pull-through, pressure testing and pigging, connections, commissioning and purging, backfill and reinstatement, and completion of as-laid documentation.
by Karen Kennan, from the Community
Downloads: 10+
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Template
MGN Mainlaying - Open Cut
This MGN Mainlaying - Open Cut checklist guides gas network crews and contractors through safe, compliant main installation. It covers pre-start planning, notifications, and verification of SWMS and JSA; locating, proving, and protecting underground assets with DBYD plans; trench preparation with required depths, clearances, and bedding; pipe preparation and joining methods including butt fusion and electrofusion; laying and securing pipe with correct identification and bonding; backfilling and reinstatement using approved materials and marker tape; pigging and daily pressure testing with calibrated equipment; connections including poly-to-poly procedures and Williamson tee welding; commissioning and purging in line with the commissioning plan; and final documentation of sizes, lengths, pressures, fittings, and as-laid drawings. Designed to help meet Multinet Gas requirements and keep crews and the public safe.
by Karen Kennan, from the Community
Downloads: 10+
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Template
MGN Servicelaying Audit Protocol
Use this MGN Servicelaying Audit Protocol to assess compliance, safety, and workmanship for gas service laying activities. The checklist covers planning and pre start checks, verification of life support customers, staff credentials and MG passports, SWMS and JSA risk controls, traffic and pedestrian management, and PPE. Field steps include locating and proving services using DBYD, potholing and protection, trenching and clearances, boring or insertion, pipe preparation and laying, upstand and manifold requirements, fusion and welding to AS4645, connection to mains, pressure testing with a Washington tester, corrosion protection, commissioning and purging, backfilling and reinstatement, and final documentation.
by Karen Kennan, from the Community
Downloads: 10+
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Template
Mains Laying Quality Audit Checklist
This mains laying quality audit checklist supports gas utility crews and supervisors in planning and assessing gas distribution mains work. It covers risk assessment, trench support, proximity to other utilities, documentation and PTW/RA, and cathodic protection. Methods include open cut, dead and live insertion, and soil displacement moling. It details pressure testing steps, PE pipe handling, electrofusion and butt fusion jointing controls, and under-pressure working/flowstopping requirements. Sections also address safe person/BA readiness, plant location and CDM/CPP, environmental controls, and sign-off. Use it to standardize quality, safety, and compliance on site.
by Ben Cronin, from the Community
Downloads: 0
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MGN Mainlaying Insertion Checklist

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