Q. What is Pipe Rack?
Separation between pipe racks and process equipment provides access for operations, maintenance and to reduce involvement from adjacent fires. Process equipment should never be located under onsite pipe racks.
Separation distances from pumps are measured as the horizontal distance between the edge of a pipe rack and the nearest part of the pump (usually the stuffing box). There are no limitations on spacing pump drivers from pipe racks.
Piping which interconnects units, or units and storage, must be routed such that it will not remain in service through plant areas which are shut down for turnaround.