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IndustryGlossary Term

ERAS (Expedited Resource Addition Study)

A utility or pipeline operator's fast-tracked assessment to connect new energy infrastructure to the grid or network. For subcontractors, an approved ERAS often signals upcoming mobilisation opportunities and tight project timelines. Winning work tied to an ERAS typically means compressed schedules and rapid crew deployment.

Related Terms

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.

PWHT (Post-weld Heat Treatment)

Industry

A controlled heating and cooling process applied to welds after completion to reduce stress and improve strength. Subcontractors must confirm PWHT requirements before mobilising, as it adds time, equipment, and certified personnel to scope. Failing to price it into your bid can significantly erode job margins.

Modular Construction

Industry

A build method where structures are assembled from prefabricated units manufactured offsite, then transported and installed on location. Subcontractors are often scoped for site prep, mechanical tie-ins, or installation crews rather than full builds. Work tends to come in concentrated, short-duration packages tied to delivery schedules.

Mid-Continent

Industry

A regional designation covering oil and gas producing areas across Oklahoma, Kansas, and parts of surrounding states. For subcontractors, it signals a distinct labour market, regulatory environment, and client base. Mobilisation costs and crew logistics differ significantly from other North American basins.

Failure Assessment Diagram (fad)

Industry

A FAD is an engineering tool used to assess whether a crack or defect in a component is safe to operate or requires immediate repair. Subcontractors use FAD assessments to support fitness-for-service decisions on pressurised piping, vessels, and structural welds. Results directly influence repair scopes, shutdown planning, and liability on field service contracts.

Onshore Basin

Industry

A land-based sedimentary region where oil and gas exploration and production activity is concentrated. For subcontractors, basins define your likely work zones, client base, and mobilisation distances. Key Canadian examples include the Western Canada Sedimentary Basin (WCSB).

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