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Industry Glossary Term

Compression

The mechanical process of increasing natural gas pressure for pipeline transport or storage. Subcontractors are frequently mobilised to install, maintain, or repair compressor units and associated equipment. Compression work is common in gas processing facilities, wellsites, and midstream pipeline operations.

Related Terms

Refractory Lining

Industry

Heat-resistant material installed inside furnaces, boilers, and process vessels to protect steel from extreme temperatures. Subcontractors are often hired for installation, inspection, and repair during turnarounds. Proper curing and dryout procedures are critical to avoid costly failures.

Spot Work

Industry

Short-term, unplanned jobs awarded without a long-term contract, typically filled on short notice. Subcontractors are engaged for a single scope or site visit at a negotiated day rate. Common in shutdown, turnaround, and emergency maintenance situations.

WCB (Workers' Compensation Board)

Industry

Provincial agencies in Canada that provide workplace injury insurance. Contractors must maintain WCB coverage and good standing to work on most sites.

Cm/gc (construction Manager/general Contractor)

Industry

A delivery model where one firm handles both project management and general contracting. For subcontractors, this means a single point of contact manages your scope, schedule, and contract. Expect tighter coordination requirements and change order oversight from the CM/GC.

Grid Modernization

Industry

The large-scale upgrading of electrical infrastructure to support smart technologies, renewable integration, and improved reliability. For subcontractors, it drives demand for specialised installation, maintenance, and inspection work. Crews may be deployed on projects ranging from substation upgrades to smart metre rollouts.

Rig Release

Industry

The formal point when a drilling rig is demobilised and the operator ends the rig contract. For subcontractors, it signals the close of associated scopes of work and triggers final invoicing. Crew demob, equipment retrieval, and close-out documentation should begin immediately.

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