functional design specification

Document Type Information
Details and background about this document type.
Description
A specification that describes the deliverable in terms of form, fit, function, and performance characteristics to satisfy the intended use where interpretation is required.Includes most discipline specifications describing the functionality (e.g., relief and blowdown specification, surface coating, inspection specifications, operating envelopes, etc.).
Synonyms
  • CFIHOS ID
    CFIHOS-70000244
Equipment
Equipment that requires this document type.

An artefact which is a stack or an assembly of heavy-duty valves intended to be attached to the top of the casing to control the well pressure.