Review of process package basic admin — August 14, 2021 · Comments off Review of P & ID’s: Following information shall be available in P &ID’s: 1) Legends, notes, abbreviations 2) Line numbers; 3) Location of change in piping specification; 4) Specific requirements like slope, elevation difference break flanges. Minimum running length, process drains & Vents type of heating (jacketing /steam i electric heating) etc.; 5) Proper symbols for piping items; 6) Equipments & nozzle numbers; 7) All instrumentation & control valves, etc; 8) Continuation sheet numbers etc.
