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DN-15a Open Cut Mainlaying Checklist

by Alan Milford, from the Community

This DN-15a open cut mainlaying checklist supports civil construction crews with safe, compliant trenching and pipeline installation. It covers utility locating, surface cutting and reinstatement, minimizing trench width, mechanical excavation, trench support, and controlling collapse risks. Includes prompts for risk assessment, weather and ground conditions, safe working with excavators and banksman guidance, and final assessor sign off for training or competency confirmation.

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Eliminate mistakes made by paper-based processes

Create and share professional reports instantly

Confirm accountability and compliance with a digital log

About author

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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.

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DN-15a Open Cut Mainlaying
This DN-15a open cut mainlaying checklist supports safe and efficient excavation and utility main installation. It covers planning and setup, locating and protecting existing services, trench width control, use of mechanical excavators, banksman guidance, trench support and collapse prevention, weather and ground condition checks, and neat reinstatement in line with highway specifications. Includes assessor sign-off and training outcomes to document compliance and competency.
by Alan Milford, from the Community
Downloads: 0
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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 Mainlaying Insertion Checklist
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.
by Karen Kennan, from the Community
Downloads: 10+
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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+
Get

DN-15a Open Cut Mainlaying

This DN-15a open cut mainlaying checklist supports safe and efficient excavation and utility main installation. It covers planning and setup, locating and protecting existing services, trench width control, use of mechanical excavators, banksman guidance, trench support and collapse prevention, weather and ground condition checks, and neat reinstatement in line with highway specifications. Includes assessor sign-off and training outcomes to document compliance and competency.

by Alan Milford, from the Community

Get

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

10+

Get

Template

MGN Mainlaying Insertion Checklist

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.

by Karen Kennan, from the Community

10+

Get

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

10+

Get

DN-15a Open Cut Mainlaying Checklist

About author

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