Checklist : Piping Design Basis (2024)

Piping design basis provides guidelines for design of Plot plan, Equipment layout, Piping Layout and selection of materials. It outlines applicable codes and standards. It includes international practices as well as local regulations. This document must be prepared carefully as it is a basis for other deliverables of Piping Department.

SrCheck ItemDone1Scope of the document defined2Applicable codes and standards specified3Piping Material Specification document number specified4Clause for use of non-ferrous metals specified5Pipe sizes to Avoid specified. E.g. 2.5?, 5? etc.6Minimum pipe size specified. E.g. 3/4?7Scope of supply for Valve Locking Devices specified e.g. vendor8Minimu pipe size for rack specified e.g. 2?9Use of Flat face flanges clause10Source service material requirement standard.e.g. NACE MR017511Line Number Composition specified12Line list content columns specified13Design conditions clause spefied14Design temperature selection for uninsulated, insulated,jacketd and cold lines specified.15Design pressure selection for normal lines, pump discharge lines, vacuum lines, steam lines, pressure relief lines specified.16General criteria for equipment layout specified17Standard for Equipment spacing specified e.g. OISD 118, IM.2.5.2 etc.18Requirements for maintenance facilities spefied.19Fixed maintenance facilities philosophy specified20Mobile equipment handling philosophy specified.21Heat Exchanger tube bundle removal requirements specified22Maintenance facilities for pumps specified23All Overhead clearance requirements specified24All Horizontal clearance requiements specified25Platform, Ladders and Stairways guidelines specified26General Guildelines for Pipe routing specified27Column and Vessel piping guidelines specified28Heat Exchanger piping guidelines specified29Pumps Piping guidelines specified30Fired heater piping guidelines specified31Compressor piping guidelines specified32Valve Location guidelines specified33Vent and Drains guidelines specified34Pressure relief system guidelines specified35Inline instruments guidelines specified36Instruments Location Guidelines specified37Sample connection guildelines specified38Utility Station Guidelines specified39Liquid sulphur piping guidelines specified if applicable40Non-code piping guidelines specified41Tank Farm piping guidelines specified42Firewater piping guidelines specified43Chemical injection piping guidelines specified44Piping stress guidelines specified45Piping support guidelines specified46Safety measures guidelines specified