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Industry Glossary Term

Candu (canadian Deuterium Uranium) Reactor

A Canadian-designed nuclear reactor that uses heavy water as a moderator and coolant. Subcontractors working on maintenance or upgrades face strict nuclear regulatory compliance and specialised certification requirements. Expect rigorous site access controls, radiation safety training, and detailed documentation standards.

Related Terms

Excavation and Embankment

Industry

Earthwork scope covering cut (excavation) and fill (embankment) operations on a project site. Subcontractors are often paid on a unit-rate basis per cubic metre of material moved. Accurate quantity tracking is critical for proper invoicing and dispute avoidance.

Equipment Uptime

Industry

The percentage of scheduled time that equipment is operational and available for use on a job site. For subcontractors, high uptime directly affects billing hours, client satisfaction, and contract renewals. Downtime caused by mechanical failure or poor maintenance often falls on the subcontractor to remedy at their own cost.

Proactive Maintenance

Industry

Scheduled inspections and repairs performed before equipment fails, reducing costly downtime on job sites. Subcontractors who offer proactive maintenance services can secure longer-term service agreements with operators. It also helps avoid liability tied to unexpected breakdowns during active contracts.

GWD (Getting Work Done)

Industry

A safety and compliance management system used by some operators to pre-qualify and manage contractors working on their sites.

Well Testing

Industry

A series of controlled flow and pressure measurements performed on a newly drilled or existing well to evaluate its production potential and reservoir characteristics; for subcontractors, this work often involves deploying and operating specialised equipment such as separators, flowback units, and data acquisition systems under tightly scheduled, high-priority conditions.

Offtake Agreement

Industry

A long-term contract where a buyer commits to purchasing a set volume of product from a producer. For subcontractors, these agreements signal stable, ongoing site activity and sustained demand for field services. They often underpin project financing, making worksites more financially secure for service providers.

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