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