ESD 120 - Drafting Manual.pdf

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SDCWA

San Diego County Water Authority Engineering Department

Drafting Manual

ESD-120 March 2004

SDCWA

Engineering Department

ESD 120

Drafting Manual

March 2004

Copyright © 2003 The San Diego County Water Authority

For additional copies, call the Water Authority’s Engineering Department at (858) 522-6855 or visit the Engineering Department offices at 4677 Overland Avenue, San Diego, California 92123

SDCWA Engineering Drafting Manual Validation

REV00 ii 3/17/04

ESD-120 Drafting Manual

Purpose and use

The Engineering Standard Document (ESD), ESD 120 Drafting Manual documents the practices and standards for drafting at the San Diego County Water Authority (Water Authority).

Personnel involved in drafting shall adhere to the practices and procedures described in this document. Engineering management shall be responsible for enforcement of these practices in their respective projects.

Revisions and maintenance

The manual is intended to be a living document that evolves to meet the changing needs of the Water Authority.

Engineering management continuously monitors the drafting activities for its various projects and will identify refinements or additional practices and procedures.

Users may suggest changes or additions to this manual and should review the change management process included in the Overview section.

Personnel entrusted with this manual are responsible for maintaining it in a current and updated condition as revised chapters and sections are published.

Disclaimer The information provided herein is for the convenience and use of the

San Diego County Water Authority. Any use of the information by any entity other than the San Diego County Water Authority is at such entity’s own risk, and the San Diego County Water Authority assumes no liability for such use.

Validation The San Diego County Water Authority Engineering Department’s

ESD 120 Drafting Manual is hereby accepted and approved.

John Economides, Director of Engineering

Validation SDCWA Engineering Drafting Manual

3/17/04 iii REV 00

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SDCWA Engineering Drafting Manual Table of Contents

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Table of Contents

Chapter/Section/Topic Page

Overview ...................................................................................................................OV-1

Purpose ..............................................................................................................OV-1 Intended audience ..............................................................................................OV-1 Chapter descriptions...........................................................................................OV-1 Chapter sections.................................................................................................OV-2 Electronic versions of ESD 120 ..........................................................................OV-3 Changing this manual.........................................................................................OV-3 Acknowlegements ..............................................................................................OV-3

Chapter 1. General Information....................................................................................1-1 Overview................................................................................................................1-1

Purpose ..........................................................................................................1-1 In this chapter .................................................................................................1-1

Section 1.1. Drawing Media...................................................................................1-3 Introduction .....................................................................................................1-3 Manual drafting media ....................................................................................1-3 Computer Aided Drafting (CAD) media...........................................................1-3

Section 1.2. General Layout ..................................................................................1-4 Introduction .....................................................................................................1-4 Standard sheet size ........................................................................................1-4 Standard border sheet ....................................................................................1-4 Title sheet .......................................................................................................1-9 Numbering and sequencing ..........................................................................1-13 Vicinity map ..................................................................................................1-14 Location map ................................................................................................1-15 General notes ...............................................................................................1-17 Drawing and abbreviation lists ......................................................................1-19 Basis of bearing and coordinates..................................................................1-22 Benchmark....................................................................................................1-22 Agency index ................................................................................................1-23 Legend..........................................................................................................1-25 Project construction sign...............................................................................1-27 Sample general drawing arrangement ..........................................................1-27

Section 1.3. Lettering...........................................................................................1-31 Introduction ...................................................................................................1-31 General rules ................................................................................................1-31 Lettering methods .........................................................................................1-31 Case, width, and height ................................................................................1-31 Text orientation .............................................................................................1-32 Line and paragraph spacing .........................................................................1-32 Existing or future items .................................................................................1-32 Use of previous lettering styles .....................................................................1-32

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Section 1.4. Line Types and Conventions ...........................................................1-33 Introduction ...................................................................................................1-33 Line size........................................................................................................1-33 Line types .....................................................................................................1-33 Visible lines...................................................................................................1-34 Hidden lines ..................................................................................................1-34 Section lines or cross-hatching lines.............................................................1-34 Centerlines....................................................................................................1-35 Dimension lines ............................................................................................1-35 Extension lines..............................................................................................1-35 Leader lines ..................................................................................................1-35 Match lines....................................................................................................1-35 Break lines ....................................................................................................1-35 Phantom lines ...............................................................................................1-36 Stitch lines ....................................................................................................1-36 Arrows and arrowheads ................................................................................1-36

Section 1.5. Dimensions......................................................................................1-37 Introduction ...................................................................................................1-37 Basic rules ....................................................................................................1-37 Text...............................................................................................................1-37 Line width......................................................................................................1-37 Duplication ....................................................................................................1-37 Base lines .....................................................................................................1-37 Dimension units ............................................................................................1-37 Arrowheads and leaders ...............................................................................1-38 Extension lines and dimension location ........................................................1-38 Diameters, radii, and angles .........................................................................1-39 Out-of-scale dimensions ...............................................................................1-39 Discipline requirements.................................................................................1-39 Examples ......................................................................................................1-39

Section 1.6. Drawing Symbology.........................................................................1-41 Introduction ...................................................................................................1-41 North arrow ...................................................................................................1-41 Section/detail callouts and titles....................................................................1-41 Graphic scales ..............................................................................................1-44 Existing, future, and under construction information designation..................1-45 Notes and keynotes ......................................................................................1-47

Chapter 2. Civil Engineering Drafting Standards..........................................................2-1

Overview................................................................................................................2-1 Purpose ..........................................................................................................2-1 In this chapter .................................................................................................2-1

Section 2.1. Hydraulic and Drain-Down Profiles ....................................................2-3 Introduction .....................................................................................................2-3 Definition.........................................................................................................2-3 Plan elements .................................................................................................2-3 Hydraulic profile elements...............................................................................2-3 Scale...............................................................................................................2-3

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Example..........................................................................................................2-3 Section 2.2. Pipeline Plans and Profiles ................................................................2-7

Introduction .....................................................................................................2-7 Definition.........................................................................................................2-7 Plan elements .................................................................................................2-7 Profile elements ..............................................................................................2-8 Scale.............................................................................................................2-10 Contours .......................................................................................................2-10 Example........................................................................................................2-10

Section 2.3. Site Plans ........................................................................................2-13 Introduction ...................................................................................................2-13 Definition and elements ................................................................................2-13 Screening from digital maps .........................................................................2-14 Showing existing versus new facilities ..........................................................2-14 Scale.............................................................................................................2-14 Ground elevations.........................................................................................2-15 Contours .......................................................................................................2-15 Example........................................................................................................2-15

Section 2.4. Yard Piping Plans ............................................................................2-19 Introduction ...................................................................................................2-19 Definition and elements ................................................................................2-19 Scale.............................................................................................................2-20 Screening from digital maps .........................................................................2-20 Showing existing versus new facilities ..........................................................2-20 Example........................................................................................................2-20

Section 2.5. Yard Piping Profiles .........................................................................2-23 Introduction ...................................................................................................2-23 Definition.......................................................................................................2-23 Profile elements ............................................................................................2-23 Scale.............................................................................................................2-24 Example........................................................................................................2-24

Section 2.6. Road Plans and Profiles ..................................................................2-27 Introduction ...................................................................................................2-27 Definition.......................................................................................................2-27 Plan elements ...............................................................................................2-27 Profile elements ............................................................................................2-28 Scale.............................................................................................................2-29 Contours .......................................................................................................2-29 Example........................................................................................................2-29

Section 2.7. Access Road Sections and Details ..................................................2-33 Introduction ...................................................................................................2-33 Definition.......................................................................................................2-33 Section elements ..........................................................................................2-33 Detail elements .............................................................................................2-33 Example........................................................................................................2-33

Chapter 3. Mechanical Engineering Standards ............................................................3-1

Overview................................................................................................................3-1

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Purpose ..........................................................................................................3-1 In this chapter .................................................................................................3-2

Section 3.1. General Standards.............................................................................3-3 Introduction .....................................................................................................3-3 Views ..............................................................................................................3-3 Sections ..........................................................................................................3-3 Details.............................................................................................................3-4 Sheet arrangement .........................................................................................3-4 Titles and subtitles ..........................................................................................3-7 Notes ..............................................................................................................3-7 North arrow .....................................................................................................3-7 Sheet numbers ...............................................................................................3-8 Scale...............................................................................................................3-8 Component identification ................................................................................3-8 Line weights....................................................................................................3-8

Section 3.2. Installation Drawings........................................................................3-10 Introduction ...................................................................................................3-10 Definition.......................................................................................................3-10 Elements.......................................................................................................3-10 Project design parameters table ...................................................................3-10 General notes ...............................................................................................3-11 Equipment scale and detail ...........................................................................3-11 Example........................................................................................................3-11 Plan views.....................................................................................................3-15 Sections ........................................................................................................3-15 Details...........................................................................................................3-15

Section 3.3. Assembly Drawings .........................................................................3-19 Introduction ...................................................................................................3-19 Definition.......................................................................................................3-19 Elements.......................................................................................................3-19 Showing single versus multiple assemblies ..................................................3-19 Orienting an assembly ..................................................................................3-19 Identification numbers...................................................................................3-19 List of materials.............................................................................................3-20 Assembly details ...........................................................................................3-20 Example........................................................................................................3-20

Section 3.4. Isometrics ........................................................................................3-23 Introduction ...................................................................................................3-23 Definition and elements ................................................................................3-23 Piping arrangements.....................................................................................3-23 Assemblies ...................................................................................................3-23 Dimensions and callouts ...............................................................................3-23 Example........................................................................................................3-23

Chapter 4. Cathodic Protection Drafting Standards .....................................................4-1

Overview................................................................................................................4-1 Purpose ........................................................................................................4-1 In this chapter .................................................................................................4-1

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Section 4.1. CP Site Plans ....................................................................................4-3 Introduction .....................................................................................................4-3 Definition and elements ..................................................................................4-3 Screening from digital maps ...........................................................................4-4 Showing existing versus new facilities ............................................................4-4 Scale...............................................................................................................4-4 Examples ........................................................................................................4-4

Section 4.2. CP Installation Drawings....................................................................4-7 Introduction .....................................................................................................4-7 Definition.........................................................................................................4-7 Elements.........................................................................................................4-7 General notes .................................................................................................4-7 Equipment scale and detail .............................................................................4-7 Details.............................................................................................................4-7 Example..........................................................................................................4-7

Section 4.3. CP Assembly Drawings ...................................................................4-11 Introduction ...................................................................................................4-11 Definition.......................................................................................................4-11 Elements.......................................................................................................4-11 Showing single versus multiple assemblies ..................................................4-11 Orienting an assembly ..................................................................................4-11 Assembly details ...........................................................................................4-12 Example........................................................................................................4-12

Section 4.4 CP Isometrics ...................................................................................4-15 Introduction ...................................................................................................4-15 Definition and elements ................................................................................4-15 CP arrangements..........................................................................................4-15 Assemblies ...................................................................................................4-15 Dimensions ...................................................................................................4-15 Example........................................................................................................4-15

Chapter 5. Architectural Drafting Standards.................................................................5-1

Overview................................................................................................................5-1 Purpose ..........................................................................................................5-1 References .....................................................................................................5-2 In this chapter .................................................................................................5-2

Section 5.1. Architectural Floor Plans....................................................................5-3 Introduction .....................................................................................................5-3 Definition.........................................................................................................5-3 Elements.........................................................................................................5-3 Example..........................................................................................................5-4

Section 5.2. Architectural Roof Plans ....................................................................5-7 Introduction .....................................................................................................5-7 Definition.........................................................................................................5-7 Elements.........................................................................................................5-7 Example..........................................................................................................5-8

Section 5.3. Architectural Exterior Elevations ......................................................5-11 Introduction ...................................................................................................5-11

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Definition.......................................................................................................5-11 Elements.......................................................................................................5-11 Example........................................................................................................5-12

Section 5.4. Architectural Building/Wall Sections ................................................5-15 Introduction ...................................................................................................5-15 Definition.......................................................................................................5-15 Elements.......................................................................................................5-15 Example........................................................................................................5-16

Section 5.5. Detailed Architectural Floor Plans....................................................5-19 Introduction ...................................................................................................5-19 Definition.......................................................................................................5-19 Elements.......................................................................................................5-19 Example........................................................................................................5-20

Section 5.6. Architectural Interior Elevations .......................................................5-23 Introduction ...................................................................................................5-23 Definition.......................................................................................................5-23 Elements.......................................................................................................5-23 Example........................................................................................................5-23

Section 5.7. Architectural Schedules ...................................................................5-27 Introduction ...................................................................................................5-27 Definition.......................................................................................................5-27 Elements.......................................................................................................5-27 Example........................................................................................................5-27

Section 5.8. Architectural Reflected Ceiling Plans...............................................5-31 Introduction ...................................................................................................5-31 Definition.......................................................................................................5-31 Elements.......................................................................................................5-31 Example........................................................................................................5-31

Section 5.9. Architectural Details.........................................................................5-35 Introduction ...................................................................................................5-35 Definition.......................................................................................................5-35 Elements.......................................................................................................5-35 Example........................................................................................................5-35

Chapter 6. Structural Engineering Drafting Standards .................................................6-1 Overview................................................................................................................6-1

Purpose ..........................................................................................................6-1 In this chapter .................................................................................................6-2

Section 6.1. General Standards.............................................................................6-3 Introduction .....................................................................................................6-3 References .....................................................................................................6-3

Section 6.2. Structural General Notes and Typical Structural Details....................6-4 Introduction .....................................................................................................6-4 Structural general notes..................................................................................6-4 Typical structural details .................................................................................6-6

Section 6.3. Reinforced Concrete Structures.........................................................6-7 Introduction .....................................................................................................6-7 Definition and elements ..................................................................................6-7

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Reinforced concrete structures plans..............................................................6-7 Reinforced concrete structures sections .........................................................6-8 Reinforced concrete structures details............................................................6-9 Examples ........................................................................................................6-9

Section 6.4. Masonry Structures..........................................................................6-15 Introduction ...................................................................................................6-15 Definition and elements ................................................................................6-15 Masonry structures plans..............................................................................6-15 Masonry structures elevations ......................................................................6-16 Masonry structures sections and details .......................................................6-17 Examples ......................................................................................................6-17

Section 6.5. Platforms, Ladders, Stairs, and Railings..........................................6-23 Introduction ...................................................................................................6-23 Definition and elements ................................................................................6-23 Platforms, ladders, stairs, and railings plans and sections............................6-23 Platforms, ladders, stairs, and railings details...............................................6-24 Examples ......................................................................................................6-25

Chapter 7. Fiber-Optics Drafting Standards .................................................................7-1

Overview ........................................................................................................7-1 Purpose ........................................................................................................7-1 In this chapter .................................................................................................7-1

Section 7.1. Fiber-Optic Routing Schematic ..........................................................7-3 Introduction .....................................................................................................7-3 Definition.........................................................................................................7-3 Elements.........................................................................................................7-3 Example..........................................................................................................7-3

Section 7.2. Fiber-Optic Details .............................................................................7-7 Introduction .....................................................................................................7-7 Definition.........................................................................................................7-7 Elements.........................................................................................................7-7 Example..........................................................................................................7-7

Chapter 8. Electrical Engineering Drafting Standards ..................................................8-1

Overview................................................................................................................8-1 Purpose ..........................................................................................................8-1 References .....................................................................................................8-1 In this chapter .................................................................................................8-2

Section 8.1. Electrical Symbols Legend, Abbreviations, and General Notes.........8-3 Introduction .....................................................................................................8-3 Symbols legend ..............................................................................................8-3 Abbreviations ..................................................................................................8-3 General notes .................................................................................................8-4 Examples ........................................................................................................8-4

Section 8.2. Electrical Site Plans ...........................................................................8-7 Introduction .....................................................................................................8-7 Definition and elements ..................................................................................8-7 Screening from digital maps ...........................................................................8-8

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Showing existing versus new facilities ............................................................8-8 Scale...............................................................................................................8-8 Example..........................................................................................................8-8

Section 8.3. Electrical Single-Line Diagram Drawings.........................................8-11 Introduction ...................................................................................................8-11 Definition and elements ................................................................................8-11 Scale.............................................................................................................8-12 Examples ......................................................................................................8-12

Section 8.4. Electrical Equipment Elevation Drawings ........................................8-15 Introduction ...................................................................................................8-15 Definition and elements ................................................................................8-15 Scale.............................................................................................................8-15 Example........................................................................................................8-15

Section 8.5. Electrical Structure Plan Drawings...................................................8-19 Introduction ...................................................................................................8-19 Definition and elements ................................................................................8-19 Power and control floor plan .........................................................................8-19 Grounding plan .............................................................................................8-20 Lighting plan .................................................................................................8-20 Scale.............................................................................................................8-20 Examples ......................................................................................................8-20

Section 8.6. Electrical Detail Drawings ................................................................8-25 Introduction ...................................................................................................8-25 Definition and elements ................................................................................8-25 Scale.............................................................................................................8-25 Example........................................................................................................8-25

Section 8.7. Electrical Control Schematic Diagram Drawings .............................8-29 Introduction ...................................................................................................8-29 Definition and elements ................................................................................8-29 Scale.............................................................................................................8-29 Example........................................................................................................8-29

Section 8.8. Electrical Schedule Drawings ..........................................................8-33 Introduction ...................................................................................................8-33 Definition and elements ................................................................................8-33 Scale.............................................................................................................8-33 Examples ......................................................................................................8-33

Section 8.9. Electrical Rail Assembly Drawings...................................................8-39 Introduction ...................................................................................................8-39 Definition and elements ................................................................................8-39 Scale.............................................................................................................8-39 Example........................................................................................................8-39

Chapter 9. Instrumentation Engineering Drafting Standards ........................................9-1

Overview ........................................................................................................9-1 Purpose ........................................................................................................9-1 References .....................................................................................................9-1 In this chapter .................................................................................................9-2

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Section 9.1. Instrumentation Symbols Legend, Abbreviations, and General Notes ................................................................................................9-3

Introduction .....................................................................................................9-3 Symbols legend ..............................................................................................9-3 Abbreviations ..................................................................................................9-3 General notes .................................................................................................9-4 Examples ........................................................................................................9-4

Section 9.2. Instrumentation Process Flow Diagram (PFD) ..................................9-7 Introduction .....................................................................................................9-7 Definition and elements ..................................................................................9-7 Scale...............................................................................................................9-7 Example..........................................................................................................9-7

Section 9.3. Piping and Instrumentation Diagrams (P&ID) ..................................9-11 Introduction ...................................................................................................9-11 Definition and elements ................................................................................9-11 Scale.............................................................................................................9-11 Example........................................................................................................9-12

Section 9.4. Instrumentation Details Drawings ....................................................9-15 Introduction ...................................................................................................9-15 Definition and elements ................................................................................9-15 Scale.............................................................................................................9-15 Example........................................................................................................9-15

Chapter 10. Landscaping and Irrigation Drafting Standards.......................................10-1 Overview..............................................................................................................10-1

Purpose ......................................................................................................10-1 In this chapter ...............................................................................................10-2

Section 10.1. Landscape Plans ...........................................................................10-3 Introduction ...................................................................................................10-3 Definition.......................................................................................................10-3 Elements.......................................................................................................10-3 Screening from digital maps .........................................................................10-4 Showing existing versus new facilities ..........................................................10-4 Scale.............................................................................................................10-4 Example........................................................................................................10-4

Section 10.2. Irrigation Plans...............................................................................10-7 Introduction ...................................................................................................10-7 Definition.......................................................................................................10-7 Elements.......................................................................................................10-7 Screening from digital maps .........................................................................10-8 Showing existing versus new facilities ..........................................................10-8 Scale.............................................................................................................10-9 Example........................................................................................................10-9

Section 10.3. Planting Details............................................................................10-13 Introduction ................................................................................................. 10-13 Definition.....................................................................................................10-13 Elements..................................................................................................... 10-13 Example...................................................................................................... 10-13

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Section 10.4. Irrigation Details...........................................................................10-17 Introduction ................................................................................................. 10-17 Definition.....................................................................................................10-17 Elements..................................................................................................... 10-17 Example...................................................................................................... 10-17

Chapter 11. Water Authority Standard Drawings and Details.....................................11-1

Overview…