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2016 Australia Building Code, Volume 2 PDF

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INTRODUCTION — CONTENTS AND FEATURES INTRODUCTION — CONTENTS AND FEATURES NCC 2016 Building Code of Australia -Volume Two Page 2 Page(cid:22) Australian BuildingCodesBoard Copyright and licence notice ©2016CommonwealthofAustraliaandStatesandTerritoriesof Australia Ownershipofintellectualpropertyrights Unlessotherwisenoted,copyright(andanyother intellectualpropertyrights,ifany) inthis publicationisjointlyownedbytheCommonwealth, Statesand TerritoriesofAustralia. CreativeCommonslicence Attribution CC BY-NC-ND4.0 All material in this publication is licensed under a Creative Commons Attribution- NonCommercial-NoDerivatives 4.0 International Licence, save for logos. Attribution- NonCommercial-NoDerivatives 4.0 International Licence is a standard form licence agreement that does not permit any commercial use or derivatives of the original work. Under this licence: you may only distribute a verbatim copy of the work and must not adapt or change the work in any way. You must give appropriate credit and provide a link to the licence. You may do so in any reasonable manner, but not in any way that suggests the Commonwealth of Australia, States and Territories of Australia or Australian Building Codes Board endorses you or your use. You may not use the material for commercial purposes. If you remix, transform, or build upon the material for your own use,youmaynotdistributethemodifiedmaterial. The full licence terms are available from http://creativecommons.org/licenses/by-nc-nd/ 4.0/legalcode. Contentcontainedhereinshouldbeattributedas: The National Construction Code Series 2016© as released by the Australian Building Codes Board on behalf of the Commonwealth of Australia and States and Territories of Australia Disclaimer While care has been taken in the preparation of this publication of the National Construction Code 2016, the General Manager of the Australian Building Codes Board Office, as agent for the Commonwealth of Australia and States and Territories of Australia, does not warrant that any licensing or registration requirements specified in this publication are either complete or up-to-date for your State or Territory. The National Construction Code 2016 is reviewed every 3 years, but the Australian Building Codes Board may also update and amend the National Construction Code 2016 in part more often than this. You can ensure that you are using the most up-to-date version of the National Construction Code 2016 by checking the Australian Building Codes Board website(www.abcb.gov.au). The General Manager of the Australian Building Codes Board Office, as agent for the Commonwealth of Australia and States and Territories of Australia, does not accept any liability,includingliabilityfornegligence, losshowsoever caused,damage,injury,expense or cost incurred by any person as a result of accessing, using or relying upon any information in this publication to the maximum extent permitted by law. No representation expressed or implied is made as to the currency, accuracy, reliability or completeness of any information or services which may appear on any linked websites, or other linked informationsources. NCC2016BuildingCodeofAustralia-VolumeTwo INTRODUCTION — CONTENTS AND FEATURES NCC 2016 Building Code of Australia -Volume Two Page 4 INTRODUCTION — CONTENTS AND FEATURES GENERAL TABLE OF CONTENTS INTRODUCTION CONTENTS AND FEATURES Introduction ......................................................................................................... 9 SECTION 1 GENERAL REQUIREMENTS 1.0 Application ........................................................................................................ 14 1.1 Interpretation..................................................................................................... 17 1.2 Acceptance of design and construction ........................................................ 37 1.3 Classification..................................................................................................... 39 1.4 Documents adopted by reference................................................................... 42 SECTION 2 PERFORMANCE PROVISIONS 2.0 Application ........................................................................................................ 56 2.1 Structure............................................................................................................ 57 2.2 Damp and weatherproofing ............................................................................. 64 2.3 Fire safety.......................................................................................................... 71 2.4 Health and amenity........................................................................................... 76 2.5 Safe movement and access............................................................................. 81 2.6 Energy efficiency .............................................................................................. 86 SECTION 3 ACCEPTABLE CONSTRUCTION How to use Section 3 ..................................................................................... 100 PART 3.1 SITE PREPARATION 3.1.1 Earthworks ...................................................................................................... 107 3.1.2 Drainage........................................................................................................... 111 3.1.3 Termite risk management .............................................................................. 117 PART 3.2 FOOTINGS AND SLABS 3.2 Footings and slabs ......................................................................................... 127 NCC 2016 Building Code of Australia -Volume Two Page 5 INTRODUCTION — CONTENTS AND FEATURES 3.2.2 Preparation...................................................................................................... 129 3.2.3 Concrete and reinforcing ............................................................................... 136 3.2.4 Site classification ........................................................................................... 140 3.2.5 Footing and slab construction ...................................................................... 141 PART 3.3 MASONRY 3.3.1 Unreinforced masonry ................................................................................... 155 3.3.2 Reinforced masonry ....................................................................................... 156 3.3.3 Masonry accessories ..................................................................................... 157 3.3.4 Weatherproofing of masonry......................................................................... 158 3.3.5 Earthwall construction ................................................................................... 160 PART 3.4 FRAMING 3.4.0 Framing............................................................................................................ 163 3.4.1 Subfloor ventilation ........................................................................................ 166 3.4.2 Steel framing ................................................................................................... 173 3.4.3 Timber framing................................................................................................ 181 3.4.4 Structural steel members............................................................................... 183 PART 3.5 ROOF AND WALL CLADDING 3.5.1 Roof cladding.................................................................................................. 199 3.5.2 Gutters and downpipes.................................................................................. 211 3.5.3 Wall cladding................................................................................................... 223 PART 3.6 GLAZING 3.6 Glazing............................................................................................................. 235 PART 3.7 FIRE SAFETY 3.7.1 Fire separation ................................................................................................ 249 3.7.2 Smoke alarms ................................................................................................. 274 3.7.3 Heating appliances ......................................................................................... 280 3.7.4 Bushfire areas................................................................................................. 289 NCC 2016 Building Code of Australia -Volume Two Page 6 INTRODUCTION — CONTENTS AND FEATURES 3.7.5 Alpine areas .................................................................................................... 304 PART 3.8 HEALTH AND AMENITY 3.8.1 Wet areas and external waterproofing ......................................................... 310 3.8.2 Room heights.................................................................................................. 317 3.8.3 Facilities........................................................................................................... 320 3.8.4 Light ................................................................................................................. 323 3.8.5 Ventilation........................................................................................................ 329 3.8.6 Sound insulation............................................................................................. 333 PART 3.9 SAFE MOVEMENT AND ACCESS 3.9.1 Stairway and ramp construction................................................................... 354 3.9.2 Barriers and handrails.................................................................................... 364 3.9.3 Swimming pools ............................................................................................. 373 PART 3.10 ADDITIONAL CONSTRUCTION REQUIREMENTS 3.10.1 High wind areas .............................................................................................. 378 3.10.2 Earthquake areas............................................................................................ 383 3.10.3 Flood hazard areas ......................................................................................... 384 PART 3.11 STRUCTURAL DESIGN MANUALS 3.11 Structural design manuals............................................................................. 388 PART 3.12 ENERGY EFFICIENCY 3.12 Energy efficiency ............................................................................................ 397 3.12.1 Building fabric................................................................................................. 403 3.12.2 External glazing .............................................................................................. 427 3.12.3 Building sealing .............................................................................................. 443 3.12.4 Air movement.................................................................................................. 446 3.12.5 Services ........................................................................................................... 448 APPENDIX A ADDITIONS Commonwealth of Australia .......................................................................... 460 NCC 2016 Building Code of Australia -Volume Two Page 7 INTRODUCTION — CONTENTS AND FEATURES Australian Capital Territory ........................................................................... 463 New South Wales............................................................................................ 485 Northern Territory........................................................................................... 504 Queensland ..................................................................................................... 508 South Australia ............................................................................................... 510 Tasmania ......................................................................................................... 520 Victoria............................................................................................................. 523 Western Australia ........................................................................................... 528 INDEX, ABBREVIATIONS AND SYMBOLS Index................................................................................................................. 536 Abbreviations and symbols........................................................................... 552 HISTORY OF AMENDMENTS History of amendments.................................................................................. 556 LIST OF AMENDMENTS List of amendments........................................................................................ 576 NCC 2016 Building Code of Australia -Volume Two Page 8 INTRODUCTION — CONTENTS AND FEATURES INTRODUCTION THE NATIONAL CONSTRUCTION CODE The National Construction Code (NCC) is an initiative of the Council of Australian Governments developed to incorporate all on-site construction requirements into a single code. The NCC is produced and maintained by the Australian Building Codes Board (ABCB) on behalf of the Australian Government and each State and Territory government. The NCC is a uniform set of technical provisions for the design and construction of buildings and other structures, and plumbing and drainage systems throughout Australia. It allows for variations in climate and geological or geographic conditions. THE NCC – FORMAT The NCC is published in three volumes. The Building Code of Australia (BCA) is Volume One and Volume Two of the NCC and the Plumbing Code of Australia (PCA) is Volume Three of the NCC. VOLUME ONE: contains the requirements for— (a) all Class 2 to 9 buildings; and (b) access requirements for people with a disability in Class 1b and 10a buildings; and (c) certain Class 10b structures including access requirements for people with a disability in Class 10b swimming pools. VOLUME TWO: contains the requirements for— (a) Class 1 and 10a buildings (other than access requirements for people with a disability in Class 1b and 10a buildings); and (b) certain Class 10b structures (other than access requirements for people with a disability in Class 10b swimming pools); and (c) Class 10c private bushfire shelters. VOLUME THREE: contains the requirements for plumbing and drainage associated with all classes of buildings. The NCC is accompanied by other documents, comprising the Consolidated Performance Requirements and the Guide to Volume One. Additional guidance material is also located on the ABCB Website at www.abcb.gov.au. The NCC is drafted in a performance format allowing a choice of Deemed-to-Satisfy Solutions or flexibility to develop Performance Solutions based on existing or new innovative building, plumbing and drainage products, systems and designs. When complying with the Deemed-to-Satisfy Solutions, or when developing Performance Solutions in order to comply with the NCC, consideration may need to be given to whether the solution impacts on compliance with other Parts of the NCC. THE GOAL The goal of the NCC is to enable the achievement of nationally consistent, minimum necessary standards of relevant safety (including structural safety and safety from fire), health, amenity and sustainability objectives efficiently. NCC 2016 Building Code of Australia -Volume Two Page 9

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