Roof Control Plan

An emissions control device fitted to diesel-powered equipment that traps soot and particulate matter from exhaust. Subcontractors must ensure DPFs are maintained and operational to meet Tier 4 emissions requirements on regulated job sites. Failing inspections or bypassing filters can result in equipment being pulled from service.

A regulatory approval issued by provincial authorities before drilling or completing a well can begin. Subcontractors should confirm a valid licence is in place before mobilising, as work cannot legally proceed without it. Delays in licensing directly affect your crew scheduling and contract start dates.

A mandatory work stoppage called by a prime contractor or owner to address an immediate safety concern or incident. All field personnel halt operations and gather for a safety review before work resumes. Subcontractors must comply immediately, regardless of schedule or milestone pressures.

Legal responsibility for damages or injuries regardless of fault or negligence. Subcontractors can be held liable even if they followed all safety protocols. Common in environmental incidents and hazardous operations on job sites.

A licensed physician who reviews and verifies workplace drug test results before they are reported to an employer. Subcontractors must use an MRO-approved process to meet site access and compliance requirements. Failed or unverified MRO results can pull workers from the field immediately.

A U.S. federal form verifying a worker's identity and legal authorisation to work in the United States. Subcontractors deploying crews on U.S. job sites must complete an I-9 for every hire. Non-compliance can result in fines and removal from approved vendor lists.

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.