PIPING LAYOUT | PIPING GUIDE PIPING LAYOUT. Posted by Ankit Chugh on 5:15 AM. Piping is a major expenditure in the design and construction of industrial, refinery, petrochemical, or power-generating plants when one considers engineering costs, material costs, and fabrication and field labor costs.Downloads · Piping General Guidelines of Pump Piping Layout | PIPING GUIDE General Guidelines of Pump Piping Layout. Posted by Ankit Chugh on 10:59 AM. Following sketch (sketch-1) shows a portion of a typical plot plan with few Equipment's, pipe rack etc shown. For equipment spacing pl refer, plant layout and piping specification number P-GS-PL-003, GE Gap guidelines, and/or OISD 118.