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IndustryGlossary 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

M&A (Mergers and Acquisitions)

Industry

When two companies combine or one buys another, reshuffling vendor lists and contract structures. Subcontractors may face renegotiated rates, new prequalification requirements, or lost preferred-supplier status. Monitor client M&A activity closely — approved contractor rosters often get cut during integration.

Portable Crusher

Industry

A mobile machine that breaks down rock, concrete, or aggregate on-site, eliminating haul-off costs. Subcontractors often supply or operate these units under equipment rental or crushing contracts. Commonly used in pipeline trenching, site prep, and demolition scopes.

Hookup

Industry

The phase where installed equipment and systems are connected to utilities, instrumentation, and process lines. For subcontractors, hookup work often follows construction and represents a distinct, billable scope. Crews must coordinate closely with commissioning teams to avoid delays.

Bill of Materials

Industry

A BOM (Bill of Materials) is an itemised list of all parts, materials, and components needed to complete a field job. Subcontractors use it to price work accurately and track material costs against their scope. It also supports invoicing and helps avoid disputes over what was supplied on site.

Debottlenecking

Industry

The process of identifying and removing constraints that slow production or operations on a job site. For subcontractors, this often means short-term scopes to upgrade equipment, piping, or workflows. Debottlenecking projects can generate fast-mobilisation work but typically run on tight timelines.

Conduit Installation

Industry

The process of routing and securing protective tubing or piping to house electrical wiring on job sites. Subcontractors are typically scoped for this work during facility builds, plant turnarounds, or infrastructure upgrades. Accurate material take-offs and labour estimates are critical to pricing this work profitably.

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