Methane Emissions Inventory

Water with salinity between fresh water and seawater, commonly encountered during drilling or site dewatering operations. Subcontractors must handle it as a controlled substance — improper disposal can trigger environmental violations and project shutdowns. Verify disposal protocols with the prime contractor before mobilising.

A government's legal right to seize private land for public use, with compensation paid to owners. For subcontractors, it can trigger sudden project delays or site access changes. Always confirm right-of-way status before mobilising crews or equipment.

Records that prove work was completed to spec, including inspection reports, redlines, and sign-offs. Subcontractors use these to protect themselves during client audits or warranty disputes. Missing documentation can delay invoicing or trigger costly rework claims.

A free national service requiring subcontractors to notify utility companies before any ground disturbance. Utilities mark underground lines within 48–72 hours, reducing strike risk. Non-compliance can result in serious liability, fines, and project shutdowns.

The periodic fee subcontractors pay to provincial workers' compensation boards to fund injury coverage for their workers. Premium rates vary by industry classification and your company's claims history. High premiums directly impact your labour costs and project bid pricing.

Formal renewal of a previously approved work permit, purchase order, or scope of work that has expired or exceeded its original limits. Subcontractors must secure reauthorization before continuing work to avoid unpaid labour exposure. Delays in reauthorization can stall field crews and disrupt project schedules.

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.