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IndustryGlossary Term

Pylon

A tall structural tower used to support overhead power lines, pipelines, or signage on job sites. Subcontractors may work near pylons during civil, electrical, or pipeline installation scopes. Always verify exclusion zones before mobilising equipment.

Related Terms

Negative Gas Prices

Industry

Occurs when oversupply forces producers to pay buyers to take gas, signalling severe market stress. For subcontractors, this often triggers rapid project suspensions, deferred work orders, and delayed payments. Expect scope reductions and early contract terminations when prices turn negative.

Dynamic Line Rating

Industry

A real-time method of calculating the maximum safe current capacity of a power line based on actual weather and load conditions. Unlike fixed ratings, it allows more power to flow when conditions permit. Field crews may encounter adjusted work protocols near energised lines as ratings shift throughout the day.

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.

Radial Conveyor

Industry

A belt conveyor mounted on a wheeled chassis that pivots in an arc to distribute bulk materials across a wide stockpile area. Subcontractors use them on aggregate, sand, and gravel sites to manage material placement without constant repositioning. They reduce manual labour and speed up site operations significantly.

Radial Telescopic Conveyor

Industry

A mobile conveyor system that extends in length and swings in an arc to stockpile bulk materials across a wide area. Commonly used on pipeline, mining, and civil construction sites for aggregate, gravel, or spoil management. Subcontractors operating this equipment typically require certified operators and may be responsible for setup, teardown, and repositioning.

Tank Farm

Industry

A designated site containing multiple large storage tanks for oil, gas, or chemicals. Subcontractors frequently perform inspection, maintenance, and cleaning work at these facilities. Access permits and confined space certifications are typically required on site.

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