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Industry Glossary 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

NGL (Natural Gas Liquids)

Industry

Hydrocarbons extracted from natural gas, including propane, butane, and condensate. NGL facilities and pipelines generate steady subcontract work in processing, instrumentation, and maintenance. Understanding NGL handling requirements helps crews meet site-specific safety and equipment standards.

Grid Hardening

Industry

Upgrades to electrical infrastructure that improve resilience against outages, extreme weather, and physical damage. For subcontractors, it drives demand for line work, equipment installation, and civil construction crews. Contracts often involve tight timelines and utility compliance requirements.

Refractory Lining

Industry

Heat-resistant material installed inside furnaces, boilers, and process vessels to protect steel from extreme temperatures. Subcontractors are often hired for installation, inspection, and repair during turnarounds. Proper curing and dryout procedures are critical to avoid costly failures.

Laser Surface Ablation

Industry

A surface preparation method using focused laser energy to remove rust, coatings, or contaminants from metal. Subcontractors use it as a cleaner alternative to sandblasting on pipelines and structural steel. It reduces waste disposal costs and meets strict environmental site requirements.

Distribution Infrastructure

Industry

The pipelines, power lines, roads, and utility networks that move resources from production sites to end users. Subcontractors are frequently hired to build, inspect, or maintain these systems. Work can span remote corridors, requiring careful logistical and safety planning.

CRA (Corrosion Resistant Alloy)

Industry

Specialised metal used in pipelines and equipment exposed to corrosive fluids like H2S or CO2. Subcontractors must confirm material specs before welding or fabricating, as CRA requires certified procedures and qualified welders. Misidentifying CRA components can cause costly failures and compliance issues.

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