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Title 24, Part 2.5, 2010 California Residential Code PDF

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Preview Title 24, Part 2.5, 2010 California Residential Code

• • • • California Based on the • • • 2010 California Residential Code California Code of Regulations, Title 24, Part 2.5 • First Printing: June 2010 • ISBN 978-1-58001-975-0 • Copyright © 2010 Held by California Building Standards Commission 2525 Natomas Park Drive, Suite 130 Sacramento, CA 95833-2936 ALL RIGHTS RESERVED. This 2010 California Residential Code contains substantial copyrighted material from the 2009 Inte. national Residential Code, which is a copyrighted work owned by the International Code Council, Inc. Without advance written permission from the copyright owner, no part of this book may be reproduced, distributed or transmitted in any form or by any means, including, without limitation, electronic, optical or mechanical means (by way of example and not limitation, photocopying, or recording by or in an information storage retrieval system). For information on permission to copy material exceeding fair use, please contact: Publications, 4051 West Flossmoor Road, Country Club Hills, IL 60478. Phone 1-888-ICC-SAFE (422-7233). ru:A Trademarks: "International Code Council," the "International Code Council" logo and the "International Residential Code" trademarks of the International Code Council, Inc. • • PRINTED IN THE U.S.A. • PREFACE This document is Part 2.5 of 12 parts of the official triennial compilation and publication of the adoptions, amendments • and repeal of administrative regulations to California Code of Regulations, Title 24, also referred to as the California Building Standards Code. This part is known as the California Residential Code. I. The California Building Standards Code is published in its entirety every three years by order of the California legisla ture, with supplements published in intervening years. The California legislature delegated authority to various State agencies, boards, commissions and departments to create building regulations to implement the State's statutes. These building regulations or standards, have the same force of law, and take effect 180 days after their publication unless oth • erwise stipulated. The California Building Standards Code applies to occupancies in the State of California as anno- tated. . A city, county, or city and county may establish more restrictive building standards reasonably necessary because of local climatic, geological or topographical conditions. Findings of the local condition(s) and the adopted local building standard(s) must be filed with the California Building Standards Commission to become effective and may not be effec tive sooner than the effective date of this edition of the California Building Standards Code. Local building standards that were adopted and applicable to previous editions of the California Building Standards Code do not apply to this edition without appropriate adoption and the required filing. Should you find publication (e.g., typographical) errors or inconsistencies in this code or wish to offer comments toward improving its format, please address your comments to: California Building Standards Commission • 2525 Natomas Park Drive, Suite 130 Sacramento, CA 95833-2936 Phone: (916)263-0916 Fax: (916)263-0959 Web Page: www.bsc.ca.gov ACKNOWLEDGMENTS The 2010 California Building Standards Code (Code) was developed through the outstanding collaborative efforts of the Depart ment of Housing and Community Development, the Division of State Architect, the Office of the State Fire Marshal, the Office of • Statewide Health Planning and Development, the California Energy Commission, and the Building Standards· Commission (Com mission). This collaborative effort included the assistance of the Commission's Code Advisory Committees and many other volunteers that worked tirelessly to assist the Commission in the production of this Code. Governor Arnold Schwarzenegger Members of the Building Standards Commission Acting Secretary Tom Sheehy - Chair Isam Hasenin - Vice-Chair Christina Jamison James Barthman Stephen Jensen Craig Dailey Michael Paravagna Susan Dowty Richard Sawhill • Tony Hoffman Steven Winkel David Walls - Executive Director Thomas Morrison - Deputy Executive Director For questions on California state agency amendments; please refer to the contact list on the following page. 2010 CALIFORNIA RESIDENTIAL CODE iii • California Code of Regulations, Title 24 California Agency Information Contact List • Department of Public Health California Energy Commission Organized Camps Standards ............. (916) 449-5661 Energy Hotline ........................ (800) 772-3300 Public Swimming Pools Standards ........ (916) 449-5693 or (916) 654-5106 Asbestos Standards .................... (510) 620-2874 Building Efficiency Standards Appliance Efficiency Standards Department of Housing and Community Development • Compliance Manual/Forms Residential-Hotels, Motels, Apartments California State Lands Commission Single-Family Dwellings .............. (916) 445-9471 Permanent Structures in Mobilehome Marine Oil Terminals .................. (562) 499-6317 and Special Occupancy Parks .......... (916) 445-9471 Factory-Built Housing, Manufactured California State Library Housing and Commercial Modular ...... (916) 445-3338 Resources and Information .............. (916) 654-0261 Mobilehomes-Permits & Inspections Government Publication Section .......... (916) 654-0069 Northern Region ..................... (916) 255-2501 Southern Region ..................... (951) 782-4420 Corrections Standards Authority Employee Housing Standards ............ (916) 445-9471 Local Adult Jail Standards .............. (916) 324-1914 Local Juvenile Facility Standards ......... (916) 324-1914 Department of Water Resources Gray Water Installations Standards ....... (916) 651-9667 • Department of Consumer Affairs-Acupuncture Board Office Standards ...................... (916) 445-3021 Division of the State Architect-Access Compliance Access Compliance Standards ............ (916) 445-8100 Department of Consumer Affairs-Board of Pharmacy Pharmacy Standards ................... (916) 574-7900 Division of the State Architect Structural Safety Department of Consumer Affairs-Bureau of Barber ing Public Schools Standards ............... (916) 445-8100 and Cosmetology Essential Services Building Standards ..... (916) 445-8100 Community College Standards ........... (916) 445-8100 Barber and Beauty Shop and. ............ (916) 574-7570 College Standards ................... (800) 952-5210 Division of the State Architect-State Historical Building Safety Board Department of Consumer A[(airs-Bureau of Home Furnishings and Thermal Insulation Alternative Building Standards ........... (916) 445-8100 • Insulation Testing Standards ............. (916) 574-2041 Office of Statewide Health Planning and Development Department of Consumer Affairs-Structural Pest Hospital Standards .................... (916) 440-8409 Control Board Skilled Nursing Facility Standards ........ (916) 440-8409 Clinic Standards ...................... (916) 440-8409 Structural Standards ................... (800) 737-8188 Permits .............................. (916) 440-8409 (916) 561-8708 • O[fice of the State Fire Marshal Department of Consumer Affairs-Veterinary Medical Board Code Development and Analysis .......... (916) 445-8200 Fire Safety Standards ................... (916) 445-8200 Veterinary Hospital Standards ............ (916) 263-2610 Fireplace Standards .................... (916) 445-8200 Department of Food and Agriculture Day-Care Centers Standards ............. (916) 445-8200 • Exit Standards ........................ (916) 445-8200 Meat & Poultry Packing Plant Standards ... (916) 654-1447 Dairy Standards ....................... (916) 654-1447 iv 2010 CALIFORNIA RESIDENTIAL CODE • How to Distinguish Between Model Code Language and California Amendments • To distinguish between model code language and the incorporated California amendments, including exclusive California stan dards, California amendments will appear in italics. [BSC] This symbol within a section identifies which State agency( s), by its" acronym," has amended a section oft he model code. Legend of Acronyms of Adopting State Agencies • BSC California Building Standards Commission SFM Office of the State Fire Marshal HCD Department of Housing and Community Development DSA-AC Division of the State Architect-Access Compliance DSA-SS Division of the State Architect-Structural Safety DSA -SS/CC Division of the State Architect-Structural Safety/Community Colleges OSHPD Office of Statewide Health Planning and Development CSA Corrections Standards Authority DPH Department of Public Health • AGR Department of Food and Agriculture CEC California Energy Commission CA Department of Consumer Affairs: Board of Barbering and Cosmetology Board of Examiners in Veterinary Medicine Board of Pharmacy Acupuncture Board Bureau of Home Furnishings Structural Pest Control Board SL State Librarian SLC State Lands Commission DWR Department of Water Resources • Symbols in the margins indicate the status of code changes as follows: II This symbol indicates that a change has been made to a California amendment. > This symbol indicates California deletion of California language. • 2010 CALIFORNIA RESIDENTIAL CODE v • • • • • • • vi 2010 CALIFORNIA RESIDENTIAL CODE • California Matrix Adoption Tables Format of the California Matrix Adoption Tables • The matrix adoption tables, which follo,w, show the user which state agencies have adopted and/or amended given sections of the model code. The building application determines which state agency's adoptions apply. See Section's 102 through 114 for building applications and enforcement responsibilities. Agencies are grouped together, based on either local or state enforcement responsibilities. For example, regulations from SFM are enforced both at the state and local ;levels; therefore, SFM is listed twice in each adoption table indicating state enforcement responsibilities and local enforcement responsibilities. • The side headings identify the scope of state agencies' adoption as follows: Adopt the entire IRC chapte,r without state amendments. If there is an "X" under a partIcular state agency's acronym on this row; this means that particular state agency has adopted the entire model code chapter without any state amendments. Example: CHAPTER 2 - DEFINITIONS AND ABBREVIATIONS HCD D5A 05HPD Adopting agency esc 5FM 1 2 1·AC AC 55 5S/CC 1 2 3 4 CSA DPH AGR DWR CA SL SLC Adopt entire chapter ·X Adopt entire chapter as amended • (amended sections listed below) S A M P L E Adopt only those sections that are listed below Chapter/Section Adopt the entire IRC chapter as amended, state-amended sections are listed below: If there is an "X" under a particular state agency's acronym on this row, it means that particular state agency has adopted the entire model code chapter; with state amendm~nts. . Each state-amended section that the agency has added to that particular chapter is listed. There will be an "X" in the column, by that particular section, under the agency's acronym, as well as an "X" by each section that the agency has adopted.' • Example: CHAPTER 2 - DEFINITIONS AND ABBREVIATIONS HCD D5A 05HPD Adopting agency esc SFf!JI 1 2 1·AC AC 55 5S/CC 1 2 3 4 CSA DPH AGR DWR CA SL SLC • Adopt entire chapter Adopt entire chapter as amended X (amended sections listed below) Adopt only those sections that S A M P L E are listed below Chapter/Section 202 X 2010 CALIFORNIA RESIDENTIAL CODE vII • Adopts only those sections that are listed below: If there is an "X" under a particular state agency's acronym on this row, it means that particular state agency is adopting only specific model code or state-amended sections within this chapter. There will be an "X" in the column under the agency's acronym, as well as an "X" by each section that the agency has adopted. • Example: CHAPTER 2 - DEFINITIONS AND ABBREVIATIONS HCD DSA OSHPD Adopting agency BSC SFM 1 2 1-AC AC SS SS/CC 1 2 3 4 CSA DPH AGR DWR CA SL SLC Adopt entire chapter • Adopt entire chapter as amended (amended sections listed below) Adopt only those sections X X S A M P L E that are listed below Chapter 1 202 X X S A M P L E 202 X X C 0 N T. 203 X X 203 X X [BSC] This symbol within a section identifies which State agency(s ), by its "acronym," has amended a section oft he model code. • • • viii 2010 CALIFORNIA RESIDENTIAL CODE • TABLE OF CONTENTS Part I-Administrative ........•...........•.•..... 3 R109 Inspection ............................... 21 • RII0 Certificate of Occupancy ................... 22 CHAPTER 1 SCOPE AND APPLICATION •.•.... 3 RIll Service Utilities .......................... 22 R1l2 Board of Appeals ......................... 23 DIVISION I-CALIFORNIA ADMINISTRATION ..•••.......... 3 R1l3 Violations ............................... 23 • Section R114 Stop Work Order ......................... 24 1.1 General .................................. 3 Part II-Definitions ............................. 29 1.2 Reserved ................................. 6 1.3 Reserved ................................. 6 CHAPTER 2 DEFINITIONS ................... 29 1.4 Reserved ................................. 6 Section 1.5 Reserved ................................. 6 R201 General ................................. 29 1.6 Reserved ................................. 6 R202 Definitions .............................. 29 1.7 Reserved ................................. 6 1.8 Department of Housing and Community Part III-Building Planning and Construction ...... 41 Development (HCD) ..................... 6 1.8.1 Authority and Abbreviations ................. 6 CHAPTER 3 BUILDING PLANNING ........... 41 1.8.2 Local Enforcing Agency .................... 7 • Section 1.8.3 Permits, Fees, Applications and Inspections .... 8 R301 Design Criteria ........................... 41 1.8.4 Right of Entry for Enforcement .............. 8 R302 Fire-Resistant Construction ................. 68 1.8.5 Local Modification by R303 Light, Ventilation and Heating .............. 73 Ordinance or Regulation .................. 9 R304 Minimum Room Areas .................... 74 1.8.6 Alternate Materials, Designs, Tests and Methods of Construction .................. 9 R305 Ceiling Height ........................... 75 1.8.7 Appeals Board ........................... 10 R306 Sanitation ............................... 75 1.8.8 Unsafe Buildings or Structures .............. 10 R307 Toilet, Bath and Shower Spaces ............. 75 1.8.9 Other Building Regulations ................. 11 R308 Glazing ................................. 75 1.9 Reserved. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 R309 Garages and Carports ...................... 78 1.10 Reserved. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 R310 Emergency Escape and • Rescue Openings ....................... 78 1.11 Office of the State Fire Marshal ............. 11 R3ll Means of Egress .......................... 79 1.12 Reserved. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 R312 Guards .................................. 82 1.13 Reserved. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 1.14 Reserved. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 R313 Automatic Fire Sprinkler Systems ........... 82 R314 Smoke Alarms ........................... 94 • DIVISION II ADMINISTRATION .........•...... 16 R315 Carbon Monoxide Alarms .................. 96 Section R316 Foam Plastic ............................. 97 RI01 General ................................. 16 R317 Protection of Wood and Wood Based RI02 Applicability ............................. 16 Products Against Decay .................. 99 RI03 Department of Building Safety .............. 16 R318 Protection Against Subterranean Termites .... 100 • R104 Duties and Powers of the Building Official .... 17 R319 Site Address ............................ 101 RI05 Permits ................................. 18 R320 Accessibility ............................ 101 RI06 Construction Documents. . . . . . . . . . . . . . . . . . . 19 R321 Elevators and Platform Lifts . . . . . . . . . . . . . . . 101 R107 Temporary Structures and Uses .............. 20 R322 Flood-Resistant Construction .............. 101 RI08 Fees .................................... 21 R323 Storm Shelters .......................... 104 2010 CALIFORNIA RESIDENTIAL CODE ix TABLE OF CONTENTS R324 Reserved ............................... 104 R605 Particleboard ............................ 315 • R325 Special Provisions for Licensed R606 General Masonry Construction ............. 315 24-Hour Care Facilities in Group R-3.1 .... 104 R607 Unit Masonry ........................... 323 R326 Large Family Day-Care Homes ............ 107 R608 Multiple Wythe Masonry .................. 324 R327 Materials and Construction Methods R609 Grouted Masonry ........................ 325 for Exterior Wildfire Exposure ........... 108 R610 Glass Unit Masonry ...................... 327 R327.1 Scope, Purpose and Application .......... 108 R611 Exterior Concrete Wall Construction ........ 328 R327.2 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 R612 Exterior Windows and Doors .............. 399 R327.3 Standards of Quality .................... 110 R613 Structural Insulated Panel Wall R327.4 Ignition Resistant Construction ........... 111 Construction .......................... 402 R327.5 Roofing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 R327.6 Vents ................................ 112 CHAPTER 7 WALL COVERING .............. 413 R327.7 Exterior Covering ...................... 112 Section R327.8 Exterior Windows and Doors ............. 114 R701 General ................................ 413 R327.9 Decking .............................. 115 R702 Interior Covering ........................ 413 R327.10 Accessory Structures ................... 115 R703 Exterior Covering ........................ 416 R328 Electric Vehicle ........................ 115 CHAPTER 8 ROOF-CEILING CONSTRUCTION ............... 431 CHAPTER 4 FOUNDATIONS ................. 119 Section Section R801 General ................................ 431 R401 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119 R802 Wood Roof Framing ..................... 431 R402 Materials. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 R803 Roof Sheathing .......................... 457 R403 Footings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121 R804 Steel Roof Framing ...................... 457 R404 Foundation and Retaining Walls ............ 127 R805 Ceiling Finishes ......................... 479 R405 Foundation Drainage. . . . . . . . . . . . . . . . . . . . . 156 R806 Roof Ventilation ......................... 479 R406 Foundation Waterproofing and Dampproofing ........................ 157 R807 Attic Access ............................ 489 R407 Columns ............................... 158 CHAPTER 9 ROOF ASSEMBLIES ............ 493 R408 Under-Floor Space ....................... 158 Section CHAPTER 5 FLOORS ....................... 163 R901 General ................................ 493 Section R902 Roof Classification ...................... 493 R501 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163 R903 Weather Protection ....................... 493 R502 Wood Floor Framing ..................... 163 R904 Materials ............................... 495 R905 Requirements for Roof Coverings .......... 495 R503 Floor Sheathing ......................... 174 R906 Roof Insulation .......................... 503 R504 Pressure Preservatively Treated-Wood Floors (On Ground) .................... 176 R907 Reroofing. " ............................ 504 R505 Steel Floor Framing ...................... 176 R506 Concrete Floors (On Ground) .............. 196 CHAPTER 10 CHIMNEYS AND FIREPLACES ... 507 Section CHAPTER 6 WALL CONSTRUCTION ......... 199 RI001 Masonry Fireplaces ...................... 507 Section R 10 02 Masonry Heaters ........................ 511 R601 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199 RI003 Masonry Chimneys ...................... 511 R602 Wood Wall Framing ...................... 199 RI004 Factory-Built Fireplaces .................. 516 R603 Steel Wall Framing ...................... 241 RI005 Factory-Built Chimneys ................... 516 R604 Wood Structural Panels ................... 315 RI006 Exterior Air Supply ...................... 516 x 2010 CALIFORNIA RESIDENTIAL CODE

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