tag class
A diagram showing the main features and locations of major items. Usually has some dimensions to convey spatial relationships but is generally inadequate for construction.
A document that describes methods of operating a piece of equipment or process unit, including but not limited to Instructions, procedures, drawings, tables, etc. for the operation -stop, start, and emergency shutdown. Including operational limits, function testing, possible interruptions, corrective actions, hazards and corrective measures to be taken.
A specification that describes the welding procedure and process of a specific weld.
A pressure tank divided into two areas: the upper is a fluid storage area and the lower is a gas pressure area with the two areas separated by a diaphragm.