A2.1 Piping Marking for All Platforms except Jasmine and Ban Yen
1. Band Location
Piping shall be marked with full line number (as specified in related P&ID drawings), colour
stripe and arrow at strategic locations to indicate services refer to marking layout and detail described in item no.7 for more information.
This markings shall be applied as paint using stencils. Adhesive labels & transfers are not acceptable.
2. Letter
Letter for the fluid name shall be as follows
Symbol Service
Fluid Symbol Fluid Symbol Fluid Symbol
Instrument Air AI Hydraulic Oil HO Low Pressure VL
Vent/Flare
Utility Air AU Lubricating Oil LO Cement Water WB
Chemical CI Methanol ME Cooling WC
Injection Medium
Closed Drains DC High Pressure Mud MH Potable Water WD
Open Drains DO All Low Pressure Mud ML Firewater WF
Systems Diverter Line