Construction Institute

An area that is known to be corrosive or possible to explode if a spark occurs

Abbreviation for hazardous waste operations and emergency response, which is an OSHA standard for workers in hazardous material fields

A cover material on certain types metal

New connection made to active existing pipeline

Also known as an equipment pad, a concrete pad that lifts the equipment off of the floor to protect from water and other items.

Abbreviation for heating ventilation and air conditioning