Checklist : Piping Design Basis

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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 ItemDone
1Scope of the document defined
2Applicable codes and standards specified
3Piping Material Specification document number specified
4Clause for use of non-ferrous metals specified
5Pipe 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. vendor
8Minimu pipe size for rack specified e.g. 2?
9Use of Flat face flanges clause
10Source service material requirement standard.e.g. NACE MR0175
11Line Number Composition specified
12Line list content columns specified
13Design conditions clause spefied
14Design 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 specified
17Standard for Equipment spacing specified e.g. OISD 118, IM.2.5.2 etc.
18Requirements for maintenance facilities spefied.
19Fixed maintenance facilities philosophy specified
20Mobile equipment handling philosophy specified.
21Heat Exchanger tube bundle removal requirements specified
22Maintenance facilities for pumps specified
23All Overhead clearance requirements specified
24All Horizontal clearance requiements specified
25Platform, Ladders and Stairways guidelines specified
26General Guildelines for Pipe routing specified
27Column and Vessel piping guidelines specified
28Heat Exchanger piping guidelines specified
29Pumps Piping guidelines specified
30Fired heater piping guidelines specified
31Compressor piping guidelines specified
32Valve Location guidelines specified
33Vent and Drains guidelines specified
34Pressure relief system guidelines specified
35Inline instruments guidelines specified
36Instruments Location Guidelines specified
37Sample connection guildelines specified
38Utility Station Guidelines specified
39Liquid sulphur piping guidelines specified if applicable
40Non-code piping guidelines specified
41Tank Farm piping guidelines specified
42Firewater piping guidelines specified
43Chemical injection piping guidelines specified
44Piping stress guidelines specified
45Piping support guidelines specified
46Safety measures guidelines specified

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