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KOC Isometric Drgs

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KOC Isometric Drgs

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  • Engineering Drawing Practice CodeApprovalTable of Contents1.0 Introduction2.0 Scope3.0 General Drafting Practice3.1 Presentation3.2 General Piping Guidelines3.3 General Dimensioning Guidelines3.4 Colour Coding for Checking3.5 Dimensioning Samples3.6 Drawing Scales3.7 Graphic Scales3.8 Location Plan3.9 Key Plan3.10 Section Indicators3.11 North Arrow3.12 Layouts , Surveys , Site and Location Plans3.13 Piping and Civil Drawings (Other than those for Buildings)3.14 Architectural and Associated Plans3.15 Isometric and North Arrow3.16 Nozzle Orientation3.17 Orthographic Projection3.17.1 Plan3.17.2 Elevation4.0 KOC Drawing Numbering System4.1 General4.2 KOC P&ID Numbering System4.3 Equipment Numbering System4.4 Line Numbering System5.0 Drawing Frames & Title Block5.1 Specimen of Drawing Frames & Title Block5.2 Drawing Title Panel (KOC)5.3 Folding of Drawings6.0 CAD Layer Specifications6.1 Piping and Instrumentation6.2 Piping6.3 Electrical6.4 Civil / Architectural6.5 Heating Ventilation & Air Conditioning7.0 Line Characteristics7.1 Piping drawing7.2 Piping & Instrument Diagrams , Process Flow Diagrams and Signal lines8.0 Symbols & Abbreviations8.1 Piping and Instrument Diagram (P&ID) Symbols8.1.1 Equipment Identification Prefixes8.1.2 Fluid Designation8.1.3 Insulation Designation (For Piping / Equipment)8.1.4 Line Continuations8.1.5 Instrument Tag Number Identification / Instrument Identification8.1.6 Instrument Line Symbols8.1.7 Instrument Symbols (Local)8.1.8 Local / Local Panel / Packaged Unit Panel8.1.9 Distributed Control System8.1.10 Programmable Logic Controllers8.1.11 Scada System8.1.12 Miscellaneous8.1.13 Level Instruments8.1.14 Temperature Instruments8.1.15 Pressure Instruments8.1.16 Flow Instruments8.1.17 Miscellaneous Symbols for P&ID8.1.18 Valves for Piping & Instrument Diagram8.1.19 Equipmeta) Vessels b) Filters c) Tanks d) Heat Exchangers e) Pumps f) Mixing Devicesg) Compressors / Blowers / Fans / Ejectorsh) Driversj) P&ID Abbreviationsk) Instrument Identification Letters8.1.20 Instrument Valves for P&ID8.1.21 Instrument Valves for P&ID (Safety)8.1.22 Typical Instrument Connections8.1.23 Typical Shutdown & Vent Valves8.1.24 Safety Blowdown Valve , Emergency Shudown Valve8.1.25 Motor Operated Valves8.1.26 Motor Instrumentation8.1.27 Sample Connection Arrangements8.1.28 Injection & Sample Nozzle8.1.29 Corrosion Coupon8.1.30 Typical Pump Casing Vents & Drains on suction Discharge Lines & Base Plate Drains8.1.31 Standard Hydrant & Fire Engine Suction Riser8.2 Piping Symbols8.2.1 Piping Fittings8.2.2 Valves8.2.3 Type of Operators for Valves8.2.4 Type of Pipe Supports8.3 Piping Abbreviations8.4 Piping Legends8.5 Electrical Symbols8.5.1 Power8.5.2 Schematic and Single Line Diagram8.5.3 Lighting8.5.4 Telecommunication8.5.5 Fire Alarm System8.5.6 Earthing8.5.7 Building8.5.8 Relays & Metering8.6 Electrical Abbreviations8.7 Civil / Architectural Symbols8.7.1 General8.7.2 Doors8.7.3 Windows8.7.4 Kitchen & Toilet8.7.5 Materials8.7.6 Walls8.7.7 Miscellaneous8.8 Civil / Architectural Abbreviations8.9 HVAC Symbols8.10 HVAC Abbreviations9.0 Print Room Operating Procedures9.1 Introduction9.2 Reservation of Drawing Numbers9.2.1 Drawing Number Reservation Form for KOC9.3 Drawing Registration9.3.1 Drawing Registration Form for KOC9.3.2 Drawing Revision Form for KOC9.3.3 Drawing Print Request Form for KOC / Contractor9.4 Micro Filming by KOC Print Room9.4.1 Aperture Card Preparation9.4.2 Reduction Ratio9.4.3 Section Filming9.4.4 Frame Spacing9.4.5 Center Mark , Cutting Mark & Scale9.4.6 Positioning of Drawinga) Lens Resolution b) Exposure and Developing c) Film Mounting d) The Aperture Card e) Contractor Drawing Number9.5 Revision Procedure on KOC Drawings10.0 As Built Drawings10.1 As Built Drawing Submittal10.2 As Built Drawing Approval Stamp10.3 As Built Drawing Sheet Sizes10.4 As Built Drawing Title Panel10.5 As Built Drawing Specifications