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IndustryGlossary Term

Mwh (megawatt-Hour)

A unit measuring one megawatt of electrical power consumed or produced over one hour. Subcontractors encounter MWh when billing for generator rentals, temporary power supply, or energy-intensive equipment on remote sites. It also appears in green energy projects where field crews install or service solar, wind, or battery storage systems.

Related Terms

Integrated Project Delivery (ipd)

Industry

A project delivery model where owners, contractors, and subcontractors share contracts, risks, and rewards from early design through completion. Subcontractors are brought in earlier than traditional models, giving more input on planning and scheduling. Compensation is often tied to collective project outcomes rather than individual scope performance.

PMC (Project Management Contractor)

Industry

A PMC is the company hired by an owner to oversee and manage an entire project on their behalf. As a subcontractor, the PMC is typically your primary point of contact for approvals, invoicing, and scope direction. They control schedule and budget, so understanding their reporting requirements is essential for getting paid on time.

Waterway Crossing

Industry

A section of pipeline, conduit, or cable routed beneath or across a river, creek, or other body of water. Crossings typically use methods like horizontal directional drilling (HDD) or open-cut trenching. Subcontractors must meet strict environmental permits and inspection requirements before and after installation.

Multi-Trade Pipeline

Industry

A project requiring multiple specialised trades — such as welders, pipefitters, and electricians — deployed in sequence or simultaneously. Subcontractors must coordinate closely to avoid schedule conflicts and delays. Winning work on these projects often requires demonstrating multi-discipline capacity to the prime contractor.

Liquefaction Train

Industry

A complete processing system that cools natural gas into liquid LNG (Liquefied Natural Gas) for storage and transport. Each train is a major construction and maintenance scope, often requiring large, specialised subcontractor workforces. Shutdowns and turnarounds on these units are high-value contracts with strict schedule demands.

LOL (Limitation of Liability)

Industry

A contract clause capping the maximum amount a party can be held responsible for if something goes wrong. For subcontractors, this limits financial exposure from claims, damages, or project losses. Always review these caps carefully — they may be set far below your actual risk.

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