Mandatory safeguards required when workers enter excavations deeper than 1.2 metres. Methods include sloping, shoring, or trench boxes to prevent soil collapse. Subcontractors must have a competent supervisor on-site to assess and implement the correct system.
Cave-In Protection
Related Terms
HIPP (Heat Illness Prevention Plan)
ComplianceA written programme subcontractors must have in place to protect workers from heat-related illness on outdoor or high-temperature job sites. It outlines hydration protocols, rest schedules, and emergency response procedures. Many prime contractors require a current HIPP before mobilisation is approved.
Shoring System
ComplianceTemporary structural support used to stabilise trenches, excavations, or structures during construction or maintenance work. Subcontractors are often responsible for installing and inspecting these systems before crew entry. Proper shoring is a regulatory requirement under occupational health and safety codes.
Compliance Pathway
ComplianceA defined set of steps a subcontractor must complete to meet regulatory, safety, or client requirements before mobilising on a project. This may include certifications, insurance submissions, and safety orientations. Missing steps can delay onboarding or result in disqualification from a contract.
CCO (Certified Crane Operator)
ComplianceA crane operator who holds recognised certification confirming competency to safely operate lifting equipment on job sites. Most oil & gas and construction contracts require subcontractors to supply CCO-certified operators. Verify certification currency before mobilisation, as expired credentials can halt work and trigger compliance penalties.
ELG (Effluent Limitations Guidelines)
ComplianceFederal regulations setting discharge limits for wastewater and pollutants released from industrial worksites. Subcontractors handling fluid waste, drilling muds, or site runoff must meet ELG thresholds or face penalties. Non-compliance can halt operations and void contracts.
Stormwater Drainage
ComplianceSystems that redirect rainwater and runoff away from worksites to prevent flooding and erosion. Subcontractors are often responsible for installing and maintaining these systems to meet environmental permit conditions. Failing to manage stormwater properly can result in stop-work orders and project fines.
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