OSHRC (Occupational Safety and Health Review Commission)

The share of electrical capacity a subcontractor's site equipment or temporary facilities must supply during periods of maximum demand. Operators may contractually require field crews to manage or limit equipment startup times to avoid triggering peak load charges. Failing to comply can result in cost penalties passed down through the prime contractor.

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 safety classification used by operators to track incidents resulting in death or life-altering harm. Subcontractors are often scored on SIF exposure and near-miss rates during prequalification. A high SIF risk profile can disqualify your company from site access or contract awards.

A water pipe made from lead that connects a municipal main to a building. Subcontractors must identify and report LSLs during excavation, pipe work, or utility upgrades. Strict handling and disposal regulations apply under federal and provincial environmental codes.

A U.S.-based accreditation body that certifies crane operators through standardised written and practical exams. Many oil and gas and construction clients require NCCCO certification before allowing lift operations on site. Subcontractors must confirm their operators hold valid credentials to avoid mobilisation delays or contract disqualification.

Work-related injuries or illnesses that must be logged on an OSHA 300 form. For subcontractors, these incidents can affect prequalification scores and client contract eligibility. High recordable rates often disqualify field crews from worksites entirely.

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