A 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.
HIPP (Heat Illness Prevention Plan)
Related Terms
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.
Fall of Roof
ComplianceA sudden collapse of overhead rock or material in underground or enclosed work sites. Subcontractors must assess this hazard before mobilising crews. It is a leading cause of serious injury and project delays in mining and tunnelling scopes.
811 Ticket
ComplianceA government-issued dig permit confirming underground utilities have been located and marked before excavation begins. Subcontractors must obtain one before any ground-disturbance work. Operating without one exposes your crew to liability, fines, and project shutdowns.
MOC (Management of Change)
ComplianceA formal approval process required before altering scope, personnel, equipment, or procedures on a worksite. Subcontractors must submit MOC requests to the operator before making any unplanned changes. Skipping this step can result in work stoppages, liability exposure, or contract penalties.
Lockout/tagout
ComplianceA mandatory safety procedure requiring workers to isolate and de-energise equipment before servicing or maintenance begins. Subcontractors must follow the site owner's LOTO programme and hold current training documentation. Non-compliance can result in removal from site and contract termination.
Heat Nep (heat National Emphasis Program)
ComplianceA targeted OSHA enforcement initiative directing inspectors to prioritise heat illness inspections at outdoor and indoor worksites. Subcontractors in oil & gas and construction face heightened scrutiny of heat safety plans, water access, and worker training. Non-compliance can trigger citations, fines, and work stoppages.
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