2015 National Standard Plumbing Code . NSPC

2015 National Standard Plumbing Code NSPC

INTRODUCTORY NOTES

The material presented in this Code does not have legal standing unless it is adopted by reference, or by inclusion, in an act of state,



 county, or municipal government. Therefore, administration of the provisions of this Code must be preceded by suitable

legislation at the level of government where it is desired to use this Code. In some places in this Code, reference is made to
 “Authority Having Jurisdiction.” The identity of an Authority Having Jurisdiction will be established by the act that gives

legal standing to the Code provisions. Proposed changes to the Code can be submitted by any interested party on forms available from PHCC-National Association. Cutoff dates for submitting proposed changes are published by PHCC-National Association, along with the dates for public hearings and final voting by the NSPC Committee. The NSPC is revised and reprinted on a three-year cycle. Personal appearance before the Committee for a hearing on any Code matter can be had by interested parties after a request in writing. In the course of revision, certain outdated sections may have been deleted. In order to maintain consistency and perpetuity of the numbering system, those deleted sections and numbers have been removed from this printed text, or placed in reserve.

Table of content :

Chapter 1 Definitions

Chapter 2 General Regulations

Chapter 3 Materials

Chapter 4 Joints and Connections

Chapter 5 Traps, Cleanouts and Backwater Valves

Chapter 6 Liquid Waste Treatment Equipment

Chapter 7 Plumbing Fixtures, Fixture Fittings and Plumbing Appliances

Chapter 8 Hangers and Supports

Chapter 9 Indirect Waste Piping and Special Wastes

Chapter 10 Water Supply and Distribution

Chapter 11 Sanitary Drainage Systems

Chapter 12 Vents and Venting

Chapter 13 Storm Water Drainage

Chapter 14 Special Requirements For Health Care Facilities

Chapter 15 Tests and Maintenance

Chapter 16 Regulations Governing Individual Sewage Disposal Systems for Homes and

Other Establishments Where Public Sewage Systems Are Not Available

Chapter 17 Private Potable Water Supply Systems

Chapter 18 Mobile Home & Travel Trailer Park Plumbing Requirements

Chapter 19 Referenced Standards

Appendix A Sizing Storm Drainage Systems

Appendix B Sizing the Building Water Supply and Distribution Piping Systems

Appendix C Conversions: Metric to U.S. Customary Units

Appendix D Determining the Minimum Number of Required Plumbing Fixtures

Appendix E Special Design Plumbing Systems

Appendix F Requirements of the Adopting Agency

Appendix G Green Plumbing and Mechanical Code Supplement (Excerpts)

Appendix H Combined Building Drains and Building Sewers

Appendix I Fixture Unit Value Curves for Water Closets

Appendix K Flow in Sloping Drains

Appendix L An Acceptable Brazing Procedure for General Plumbing

Appendix M Converting Water Supply Fixture Units (WSFU) to Gallons Per Minute Flow (GPM)

Alphabetical Index

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2015 National Standard Plumbing Code (NSPC)

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