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IndustryGlossary Term

Concrete Ties

Heavy precast concrete blocks or collars used to anchor pipelines and prevent buoyancy in wet or unstable ground. Subcontractors install them during pipeline construction, often requiring specialised lifting equipment and crews. Scope and quantity directly affect labour hours and equipment costs in your bid.

Related Terms

AWP (Aerial Work Platform)

Industry

A powered, elevated platform used to lift workers and tools to height for maintenance, construction, or inspection tasks. Common AWP types include scissor lifts, boom lifts, and man baskets. Subcontractors must verify operator certification and equipment inspection records before mobilising an AWP on site.

Shale Basin

Industry

A large geographic region containing shale rock formations targeted for oil and gas extraction through horizontal drilling and hydraulic fracturing. For subcontractors, shale basins like the Montney or Duvernay represent high-volume, multi-year work corridors. Expect cyclical demand, remote mobilisation, and repeat frac and completions contracts.

Spring Break-Up

Industry

The seasonal period when melting snow and frost causes ground conditions to soften, restricting heavy equipment access to remote sites. Municipalities impose road bans limiting load weights, delaying material hauls and crew mobilisation. Subcontractors should plan for project slowdowns and reduced billable hours during this window.

Pullback

Industry

A horizontal directional drilling (HDD) phase where the product pipe is pulled back through a pre-drilled bore. Subcontractors are often paid a separate pullback rate once this milestone is complete. Delays here directly affect crew scheduling and invoice timing.

Frac Fleet

Industry

A complete set of hydraulic fracturing equipment deployed together at a well site, including pumps, blenders, and support units. For subcontractors, a frac fleet mobilisation often triggers large, time-sensitive labour and equipment contracts. Knowing fleet size helps you scope crew requirements and forecast workload duration.

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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