Sif-P (serious Injury and Fatality Potential)

A 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.

A legal principle that assigns fault percentages to each party involved in an incident or loss. If a subcontractor is found partially at fault, their compensation can be reduced by their share of blame. Understanding this protects subcontractors from absorbing disproportionate liability on shared job sites.

A shored or sloped excavation method used to protect workers from cave-ins during underground pipeline or utility work. Subcontractors are typically required to design and document the system before crews enter any trench deeper than 1.2 metres. Compliance with provincial safety codes is mandatory and directly affects site access approvals.

A site policy that prohibits any detectable level of drugs or alcohol in workers. Subcontractors must ensure all personnel pass pre-access and random testing. Violations typically result in immediate removal from site and contract penalties.

Engineered controls used to prevent cave-ins, collapses, or hazardous exposures at excavation and confined space sites, including shoring, trench boxes, sloping, and shielding. Required by regulation on any excavation deeper than 1.2 metres. Subcontractors are typically responsible for selecting and installing the correct system before workers enter.

A substance or condition that can cause fire, explosion, or violent reaction when exposed to heat, air, water, or other chemicals. Subcontractors must identify these hazards during site orientations and follow the operator's safe handling procedures. Failure to do so can trigger immediate work stoppages or removal from site.

When a Jobsite Incident Happens: What Field Workers Need to Know Before Signing Anything

What to do after a jobsite injury or incident, what your rights are before signing incident reports, how workers' compensation works, and how to protect yourself on multi-employer worksites.

OSHA Citations on Multi-Employer Worksites: What Subcontractors Need to Know

Learn how OSHA's multi-employer citation policy works, why subcontractors get cited for hazards they didn't create, and how to protect your company on operator-controlled job sites.

How to Read and Negotiate an Oilfield Master Service Agreement (MSA): A Subcontractor's Guide

Learn which MSA clauses actually matter for oilfield subcontractors: indemnity, insurance, payment terms, and change orders. Know what you're signing.