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Industry Glossary Term

Land Block

A designated area of Crown or freehold land divided for exploration and production rights. Subcontractors often mobilise crews and equipment according to which land blocks an operator holds active licences for. Work scopes, access agreements, and surface rights are typically tied to specific block boundaries.

Related Terms

VDC (Virtual Design and Construction)

Industry

A project delivery approach that combines 3D modelling, scheduling, and cost data into a single digital environment. Subcontractors use VDC to coordinate scope, reduce field conflicts, and plan work sequences before boots hit the ground. Early involvement in VDC workflows can help subs identify clashes, price work more accurately, and avoid costly rework.

Aggregates

Industry

Crushed stone, gravel, and sand used as base materials in construction and oil and gas site preparation. Subcontractors sourcing or hauling aggregates must account for material costs, transport, and site access conditions. Pricing and availability vary significantly by region and project remoteness.

Surface Miner

Industry

A large self-propelled machine that cuts, crushes, and loads material in a single pass without blasting. Subcontractors operating surface miners must hold specialised equipment certifications and follow strict site safety protocols. Common in oil sands and open-pit construction projects across Western Canada.

Hub

Industry

A central staging location where crews, equipment, and materials are coordinated before deployment to remote job sites. For subcontractors, the hub determines mobilisation routes, laydown areas, and logistical costs. It often serves as the main point of contact between the prime contractor and field crews.

Refinery Utilization Rate

Industry

The percentage of a refinery's total processing capacity actively in use at a given time. Higher utilisation rates signal increased demand for maintenance, turnaround, and inspection crews. Subcontractors can use this metric to anticipate workload surges and mobilisation timelines.

AFE (Authorization for Expenditure)

Industry

A budgeting document used in oil and gas projects that outlines expected costs and seeks approval before work begins. Subcontractors often work under AFEs issued by operators.

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