PLUMBING CODE REFERENCE Second Edition Written by American Contractors Exam Services Published by /guides 1111135940 DeWalt Plumbing Reference_CS4.indd 1 6/25/10 10:24 AM
DEWALT Plumbing Code Reference: Second Edition American Contractors Exam Services Vice President, Technology and Trade Professional Business Unit:....Gregory L. Clayton Product Development Manager:... Robert Person Development:... Nobina Chakraborti Director of Marketing:... Beth A. Lutz Director of Building Trades:.... Taryn Zlatin McKenzie Marketing Manager:... Marissa Maiella Production Director:...Carolyn Miller Production Manager:...Andrew Crouth Content Project Manager:...Brooke Greenhouse Art Director:...Benjamin Gleeksman 2008, 2011 ALL RIGHTS RESERVED. No part of this work covered by the copyright herein may be reproduced, transmitted, stored, or used in any form or by any means graphic, electronic, or mechanical, including but not limited to photocopying, recording, scanning, digitizing, taping, Web distribution, information networks, or information storage and retrieval systems, except as permitted under Section 107 or 108 of the 1976 United States Copyright Act, without the prior written permission of the publisher. For product information and technology assistance, contact us at Cengage Learning Customer & Sales Support, 1-800-354-9706 For permission to use material from this text or product, submit all requests online at www.cengage.com/permissions. Further permissions questions can be e-mailed to: permissionrequest@cengage.com Library of Congress Control Number: 2010930863 ISBN-13: 978-111-113594-2 ISBN-10: 1-111-13594-0 Delmar 5 Maxwell Drive Clifton Park, NY 12065-2919 USA ii 1111135940 DeWalt Plumbing Reference_CS4.indd 2 6/25/10 10:24 AM
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CONTENTS Materials.... 1-10 Materials to use for Drains and Vents... 1 Materials to use for Water Piping.... 2-3 Pipe Fittings.... 4-5 P-Trap and Prohibited Traps... 6 Traps... 7 Hangers and Supports.... 8-9 Valves.... 10 APWA Uniform Color Code... 11 Permits and Inspection.... 12-13 Trenching, Excavation, and Backfill.... 14-15 Trenching, Excavation, and Backfill... 14 Types of Trenching... 15 Cutting and Notching.... 16-17 Non-Load Bearing Partition... 16 Load Bearing Partition... 17 Testing Procedures... 18-20 Water Supply System Methods for Testing... 18 Drain and Vent Methods for Testing.... 19 Gauges... 20 Bathroom.... 21-33 Layout.... 21 Minimum Code Requirements........................... 22-23 Vent and Drain Options.... 24 Drain Pipes... 25 Vent Termination... 26 Cleanouts.... 27 Water Piping Hot and Cold Water Lines.... 28 Water Closet... 29 Lavatory... 30 Showers.... 31 Bathtub... 32 Hydromassage Bathtub... 33 Utility Room.... 34-35 Automatic Washing Machine... 34 Utility Sink.... 35 Kitchen.... 36-38 Sinks... 36 Air Admittance Valves... 37 Island Fixture Venting.... 38 Water Heaters... 39-44 Attic Installation... 39 Water Heater.... 40 Venting and Flues... 41 Required Vent Diameter... 42 Vent Termination... 43 Tankless Water Heater... 44 v 1111135940 DeWalt Plumbing Reference_CS4.indd 5 6/25/10 10:24 AM
CONTENTS Freezing, Protection of Pipes.... 45 Lawn Irrigation... 46 Cross Connections... 47 Sill Cocks.... 48 Backflow Prevention.... 49-52 Air Gap.... 49 Definitions... 50 Double Check Valve and Reduced Pressure Principle... 51 Atmospheric and Pressure Vacuum Breakers... 52 Isometrics.... 53-62 Understanding Isometrics.... 53 Symbols.... 54 Commercial Restrooms... 55-60 Commercial Restrooms Lavatories... 61 Commercial Restrooms Water Closets...................... 62 IPC Tables.... 63-73 E-103.3(2): Load Values Assigned to Fixtures a... 63 605.3: Water Service Pipe.... 64 906.1: Maximum Distance of Fixture Trap from Vent... 64 308.5: Hanger Spacing... 65 909.3: Wet Vent Size... 65 604.4: Maximum Flow Rates and Consumption for Plumbing Fixtures and Fixture Fittings.... 66 604.5: Minimum Size of Fixture Water Supply Pipes............. 66 709.1: Drainage Fixture Units for Fixtures and Groups... 67 710.1(1): Building Drains and Sewers... 68 710.1(2): Horizontal Fixture Branches and Stacks a... 68 702.1: Above Ground Drainage and Vent Pipe.... 69 608.1: Application of Backflow Preventers... 69-70 E201.1: Minimum Size of Water Meters, Mains and Distribution Piping Based on Water Supply Fixture Unit Valves... 71-72 916.1: Size and Developed Length of Stack Vents and Vent Stacks... 73 IRC Tables............................................ 74-75 G2427.6.3: Roof Slope.... 63 G2428.2(1), [504.2(1)]: Type B Double-Wall Gas Vent... 64 Appendix.... 76-77 Appendix A: Types of Soil and Allowable Slopes.... 76 Appendix B: Safety Guidelines and Terms Used in Grading... 77 Abbreviations... 78 vi 1111135940 DeWalt Plumbing Reference_CS4.indd 6 6/25/10 10:24 AM