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1 Building Codeof AustraliaVolume TwoClass 1 and Class 10 BuildingsHousing Provisions 1996 Commonwealth and States and Territories of AustraliaThe Building Code of Australia is the copyright of the Commonwealth and the States and Territories of Australiaand, apart from any use as permitted under the Copyright Act 1968, no part may be reproduced without priorpermission. Requests and enquiries concerning reproduction and rights should be directed in the first instance to theExecutive Director, Australian Building Codes Board, GPO Box 9839 Canberra ACT Building Codes BoardGPO Box 9839 Canberra, ACT 2601 Telephone:Canberra (06) 213 7191 Facsimile:(06) 213 7287 The Australian Building Codes Board (ABCB) is established by agreement between the Commonwealth Governmentand each State and Territory Government. It is a co-operative arrangement between the signatories, LocalGovernment and the Building AustraliaPO Box 1055 Strathfield NSW 2135 Telephone:(02) 9746 4700 Facsimile:(02) 9746 8450 Standards Australia Important DisclaimerStandards Australia does not accept any responsibility for the content of theBuilding Code of Australia .

2 TheBuildingCode of Australiahas been published as provided by the Australian Building Codes 86264 873 5 (Class 1 and Class 10 Buildings) First published in October 1996 Amdt No. 1 Building Code of Australia 1996 Volume TwoCONTENTSANDFEATURES INTRODUCTION1[Next page is 11]Amdt No. 1 GENERAL TABLE OF CONTENTSB uilding Code of Australia 1996 Volume TwoPageCONTENTS AND FEATURESHow to Use51 Introduction1011 The Building Code of Australia2 The Australian Buildi ng Codes Board3 The BCA - Content4 Legislative arrangements5 Documentation of decisions6 Structure7 Further development of the BCA8 CommentsSECTION 1 - , with the the Performance and Functional , of referenced of between referenced documents and the with all Sections of the Housing Provisi of the Housing Provisi ons to a particular State or of informationContinued11 GENERAL TABLE OF CONTENTSB uilding Code of Australia 1996 Volume of design and construction2, of of resistance of Building fire hazard , of classificat classific adopted by reference2.

3 Of referenced documentsSECTION 2 - PERFORMANCE , , and weatherproofing3, from swimming safety3, from the spread of detection and early and amenity3, insulationContinued12 Amdt No. 1 GENERAL TABLE OF CONTENTSB uilding Code of Australia 1996 Volume movement and access3, and pools accessSECTION 3 - ACCEPTABLE CONSTRUCTIONHow to Use4,031 IntroductionThe scope of these provisionsSuitability of Alternative SolutionsThe use of mapsConsultation with appropriate authoritiesLayout of Parts - to use the requirements of each Earthworks5, adjacent to vacant adjoining adjacent to existing Drainage5, construction water Termite risk management5, of this construction of termite for concrete of suspended floorsContinued13 GENERAL TABLE OF CONTENTSB uilding Code of Australia 1996 Volume Footings and slabs7, construction , for under concrete for footings and edge support on sloping Concrete and reinforcing7, Site classification7.

4 Classificat Footing and slab construction7, and slab and slabs to extensions to existing edge beam for fireplaces on Class A and S footing , Unreinforced masonry9, construction mixesContinued14[Next page is 21]Amdt No. 1 GENERAL TABLE OF CONTENTSB uilding Code of Australia 1996 Volume articulation allowance for timber Reinforced masonry9, construction wall Masonry accessories9, construction straps and tie down Weatherproofing9, construction idth of ventilation and proof courses - proof courses - for single ski n masonry Earthwall construction10, construction thickness of of terms11, ventilation11, ventilationContinued21 GENERAL TABLE OF CONTENTSB uilding Code of Australia 1996 Volume framing11, construction floor wall roof of framing11, construction timber frame sizes and of timber steel members12, of construction steel and wall cladding13, construction sheet and downpipes13, construction No.

5 1 GENERAL TABLE OF CONTENTSB uilding Code of Australia 1996 Volume of of - size and cladding15, weatherboard cement planks and weatherboard wall and soffit to wall , construction sizes and install framed impact safety height framed glazed panels, other than doors or side panels, on the perimeter doors, shower screens and bath separation17, concession - non combustible walls of Class 1 of of external 10a type lightsContinued23 GENERAL TABLE OF CONTENTSB uilding Code of Australia 1996 Volume alarms17, for smoke - Class 1a - Class 1b buildingsExplanatory information - Smoke appliances17, construction fireplace of insert fireplaces and of free standing heating areas17, construction areas17, of external doorways providing means of trafficable and areas19, construction - of shower floors in wet of walls in wet of wall and floor junctions and jointsContinued24 Amdt No.

6 1 GENERAL TABLE OF CONTENTSB uilding Code of Australia 1996 Volume heights19, , , al , construction of sanitary insulation20, insulation install ation requirements for and waste movement and construction21, and going , hen balustrades are constructionContinued25 GENERAL TABLE OF CONTENTSB uilding Code of Australia 1996 Volume pool access21, construction fencing location and Additional construction wind areas23, construction areas23, construction for areas with an acceleration coefficient of to for areas with an acceleration coefficient of or Structural design construction manuals25, structural design design manualsAPPENDIX A - State and Territory Additions50,001 INDEX ABBREVIATIONS AND SYMBOLS55,001 HISTORY OF AMENDMENTS57,00126[Next page is 51]Amdt No.

7 1 HOW TO USEB uilding Code of Australia 1996 Volume TwoGENERAL INFORMATIONThe Building Code of Australia (BCA) is in two loose-leaf volumes. It is written andmaintained by the Australian Building Codes Board (see Introduction ).PAGE NUMBERSYou may notice gaps in the page numbering sequence. These are necessary in a loose-leaf publication so that new material can be easily inserted. Where such a gap occurs,there is a reference to what the next page number will be, for example:[Next page is 3,601]CLAUSE NUMBERSW ithin each Section, there are a number of Parts and number of the relevant clause (or specification) appears at the bottom of each is a separate Index marked Index Abbreviations and Symbols . It covers thedeemed-to-satisfy provisions in the Code. References in the Index are to clauses AND SYMBOLSA bbreviations and symbols used in the BCA are conveniently located in the Index Abbreviations and Symbols.

8 HISTORY OF AMENDMENTSSee under the History of Amendments for an ongoing record of all amendments to theBCA. This section sets out when the BCA and the amendments are adopted by theCommonwealth and each of the States and Territories. It also sets out a brief summary ofthe purpose of each amendment to the TO USEB uilding Code of Australia 1996 Volume TwoLOOSE-LEAF AMENDMENTSA loose-leaf amendment contains pages that need to be filed (as a result of amendments tothe BCA) into the volume. Each loose-leaf amendment is accompanied by a Filing Recordsheet which tells you which pages to remove from the volume and which new ones to NUMBER AND DATE OF ADOPTIONEach odd-numbered page of a loose-leaf amendment includes an amendment numberlocated at the top left corner. For example:Amdt No. 1 This amendment number indicates that the page was inserted by Amendment No amendment number, its date of adoption and a summary of changes are provided witheach loose-leaf amendment.

9 It is important to check the date of adoption as it may not bethe same for all States and Territories (see History of Amendments ).Amendments to clauses of the BCA are indicated on the relevant [Next page is 101]Amdt No. 1 INTRODUCTIONB uilding Code of Australia 1996 Volume TwoTHE Building CODE OF AUSTRALIAThe Building Code of Australia (BCA) is produced and maintained by theAustralian Building Codes Board (ABCB) on behalf of the CommonwealthGovernment and each State and Territory BCA is a uniform set of technical provisions for the design and construction ofbuildings and other structures throughout Australia . It allows for variations inclimate and geological or geographic AUSTRALIAN Building CODES BOARDThe ABCB is established by agreement between the Commonwealth Governmentand each State and Territory Government.

10 It is a co-operative arrangementbetween the signatories, Local Government and the Building is responsible to the Planning, Housing and Local Government MinisterialCouncil, and has a mission to achieve nationally consistent performance-basedbuilding regulatory systems that are efficient, cost effective and meet communityand industry Board comprises-(a)the principal officer of each State and Territory administrationresponsible for Building regulatory matters; and(b)a representative of the Commonwealth; and(c)a representative of the Australian Local Government Association(ALGA); and(d)industry Building Codes Committee (BCC) is the peak technical advisory body to theABCB, with responsibility for technical matters associated with the BCC comprises-(a)the Executive Director of the ABCB; and(b)one nominee each of the Commonwealth, State, Territory and ALGA members of the ABCB.