Prescribed HRCW
Excavation & Trenching Safe Work Method Statement & Ground Support Plan
SWMS for digging trenches > 1.5m deep, shoring, benching, battering, underground service locating (Dial-Before-You-Dig), and cave-in prevention.
Compliance Overview
Trade Classification:
High-Risk Construction (HRCW)
SWMS Requirement:
Mandatory Prior to Work
Template Format:
MS Word (.docx) & PDF
Audit Guarantee:
100% Pass or Free Revisions
Overview & Statutory Scope
Excavation and trench cave-ins can happen in seconds with no warning, burying workers under tons of soil. Any excavation deeper than 1.5 metres is prescribed High-Risk Construction Work under WHS Regulation 291 and requires an engineered shoring box, benching, or battering system.
Hierarchy of Hazard Control Measures (2026 Standards)
- Underground Utility Scanning: DBYD / BYDA utility plans + electromagnetic and GPR location.
- Ground Support: Certified trench shielding, hydraulic shoring, or 45-degree soil battering.
- Access & Egress: Secured ladders every 9 metres inside trenches extending 1m above ground.
Risk Assessment Matrix: Primary Hazards & Mandatory Controls
| Identified Hazard | Mandatory Control Measure |
|---|---|
|
Trench collapse and ground wall cave-in
|
Positive vacuum potholing before mechanical excavation |
|
Underground electrical cable or gas main strike
|
Install certified trench boxes or aluminum shoring |
|
Hazardous fumes accumulation in deep trenches
|
Keep spoil heaps and mobile plant at least 1m away from trench edge |
|
Water ingress and soil liquefaction
|
Inspect trench after rain or environmental events before entry |
Mandatory Personal Protective Equipment (PPE) Register
Hard hat
Steel-toe rubber/leather boots
High-vis apparel
Safety glasses
Legislation, Codes of Practice & Australian / OSHA Standards
- Safe Work Australia Code of Practice: Excavation Work
- OSHA 29 CFR 1926 Subpart P (Excavations)
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Excavation & Trenching SWMS Template 2026
Pre-completed 2026 Word (.docx) document with your trade steps, risk ratings, and rescue procedures. Add your logo and start work immediately.
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Includes Sign-off Sheet & Risk Matrix