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IndustryGlossary Term

Section 232 Tariffs

U.S. trade tariffs applied to imported steel and aluminium on national security grounds. For subcontractors, these tariffs raise material and equipment costs on cross-border projects. Budget carefully when quoting jobs that involve U.S.-sourced pipe, structural steel, or fabricated components.

Related Terms

Multiple-Award Contract

Industry

A procurement arrangement where a client awards contracts to several qualified subcontractors simultaneously. Each awarded vendor is eligible to compete for individual task orders as work is released. It creates no guaranteed volume, so subcontractors must continue bidding to secure actual revenue.

ISNetworld

Industry

A contractor management platform used by operators to verify that subcontractors meet safety, insurance, and compliance requirements before being allowed to work on sites. Maintaining ISNetworld compliance is essential for subcontractors working with major operators.

Surface Milling

Industry

A machining process that removes material from a flat surface to restore or achieve precise tolerances on equipment components. Subcontractors are often mobilised to perform surface milling on wellheads, flanges, or structural steel on-site. Proper equipment certifications and dimensional records are typically required for handover documentation.

Cavern Storage

Industry

Underground storage facilities carved out of salt formations or rock, used to hold large volumes of natural gas, crude oil, or other hydrocarbons. Subcontractors handle construction, maintenance, inspection, and integrity testing at these sites, often needing confined-space and geotechnical certifications. Injection and withdrawal seasons create predictable maintenance windows, helping field service companies plan mobilisation.

Subcontractor

Industry

A company hired by a general contractor or directly by an operator to perform a specific portion of work. Subcontractors often specialize in particular services or trades.

Cavern Infrastructure

Industry

Underground storage facilities, typically salt caverns, used to store hydrocarbons like natural gas or crude oil. Subcontractors may be engaged for cavern construction, well drilling, piping, and surface facility work. Projects often involve specialised equipment and compressed timelines tied to storage demand cycles.

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