Saturday, May 5, 2012

PIPING GA DRAWING

PIPING GENERAL ARRANGEMENT DRAWING CHECK LIST

• Title Block.
• North Arrow Orientation.
• Matchline Continuation.
• Line Continuation.
• Equipment Location To Grid.
• Equipment Nozzle Details (No., Size & Rating).
• Pipeline Location To Grid/Equipment. By Piping Or Valves).
• Structural Penetrations.
• Locations Of Item.
• Pipeline Elevations Shown.
• Dimensional Completion.
• Valve Orientation. (is enough space provided for:)
• Electrical And Instrument Cable Trays And Junction Boxes.
• Erection Of Equipment.
• Tube Bundles.
• Maintenance Space (Including Choke And Safety Valves).
• Equipment Removal.
• Operating Space.
• Manway Clearance.
• Davit Dropping.
• Overhead Clearance.
• Future Installation Area.
• Ducting And H.V.A.C. Equipment.
• Platforms And Walkways (I.E. Not Blocked By Piping Or Valves)
• Do Drawing Comply With Piping & Instrument Diagrams And Line List
• Direction Of Flow And Flow Arrows.
• Valve And Specialities In Each Line.
• Instrument Conn's In Lines And Equipment.
• Steam/Electric Tracing.
• Insulation.
• Equipment Numbers And Titles.
• Completeness Of Lines.
• Pipeline Numbers.
• Instrument Tag Numbers.
• Valve Tag Numbers.
• Vapour And Gas Lines Without Pockets.
• No Inverted Pocket In Suction Lines.

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