Acceptable Solutions and Verification Methods Prepared by ...

1 Prepared by the Ministry of Business, Innovation and EmploymentAcceptable Solutions and Verification Methods For New Zealand Building Code ClauseB1 StructureB12 Status of Verification Methods and Acceptable SolutionsVerification Methods and Acceptable Solutions are Prepared by the Ministry of Business, Innovation and Employment in accordance with section 22 of the Building Act 2004. Verification Methods and Acceptable Solutions are for use in establishing compliance with the New Zealand Building person who complies with a Verification Method or Acceptable Solution will be treated as having complied with the provisions of the Building Code to which the Verification Method or Acceptable Solution relates. However, using a Verification Method or Acceptable Solution is only one method of complying with the Building Code. There may be alternative ways to words (italicised in the text) and classified uses are explained in Clauses A1 and A2 of the Building Code and in the Definitions at the start of this about the content of this document should be directed to:Ministry of Business, Innovation and EmploymentPO Box 1473, Wellington 6140 Telephone 0800 242 243 Email: Methods and Acceptable Solutions are available from (online) 987-1-99-100871-8 Ministry of Business, Innovation and Employment 2021 This document is protected by Crown copyright, unless indicated otherwise.

2 The Ministry of Business, Innovation and Employment administers the copyright in this document. You may use and reproduce this document for your personal use or for the purposes of your business provided you reproduce the document accurately and not in an inappropriate or misleading context. You may not distribute this document to others or reproduce it for sale or Ministry of Business, Innovation and Employment owns or has licences to use all images and trademarks in this document. You must not use or reproduce images and trademarks featured in this document for any purpose (except as part of an accurate reproduction of this document) unless you first obtain the written permission of the Ministry of Business, Innovation and StatusThe most recent version of this document (Amendment 20), as detailed in the Document History, is approved by the Chief Executive of the Ministry of Business, Innovation and Employment. It is effective on 29 November 2021 and supersedes all previous versions of this previous Amendment 19 can be used to show compliance until 2 November 2022 and can be used for building consent applications submitted before 3 November 2022.

3 People using this document should check for amendments on a regular basis. The Ministry of Business, Innovation and Employment may amend any part of any Verification Method or Acceptable Solution at any time. Up-to-date version of Verification Methods and Acceptable Solutions are available from : Document HistoryDateAlterationsFirst publishedJuly 1992 Amendment 1 September 1993p. ix xii, References p. 1, , , , 2. 2, 3 .1 3 . 3 , 4 .1, 5 .1 p. 2, , , , p. 4, , p. 5, , , , , ,s , , , , 9, , b) c) p. 10, p. 13, Figure 4 p. 14, p. 16, , p. 34, Table 1 p. 47, pp. 49-54, IndexAmendment 219 August 1994pp. i and ii, Document History pp. vii and viii, Contents pp. x and xi, References p. xiv, Definitions p. 1, , p. 2, p. 5, , , p. 6, p. 10, p. 12, Figure 3 p. 13, Figure 4 p. 14, , 15, Tables 4 and , 2. 4 .1 p. 21, Figure 2 p. 22, Figure 3 p. 32, p. 33, p. 34, , Table 1 p.

4 35, , , , , , , , , Table 2 p. 3 6 , 6 .1. 2, , p. 3 7, 7. 3 . 4pp. 49, 50, 51, 54, IndexReprintedincorporatingAmendments 1 and 2 October 1994 Amendment 31 December 1995p. ii, Document History p. ix, References p. 1, 5, p. 50, Index Reprinted incorporating Amendments 1, 2 and 3 July 1996 Amendment 41 December 2000p. ii, Document History pp. vii and viii, Contents pp. ix xii, Revised References pp. xiii and xiv, Definitions pp. 1 4A, Revised B1/ VM1 pp. 5 and 6, Revised B1/AS1 pp. 33 63, Revised B1/ VM4 p. 65, Revised B1/AS4 pp. 67 72, Revised IndexErratum9 February 2001p. 46, a) i)Amendment 5 incorporating Erratum1 July 2001p. 2, Document Status p. 3, Document History p. 7, Referencesp. 41, Comment p. 49, p. 48, b) i)Amendment 61 March 2005p. 11, ReferencesAmendment 71 April 2007pp. 11 12, 14, References pp. 15 16, Definitionsp. 18, : Document HistoryAmendment 81 December 2008p. 2, Document Status p.

5 3, Document History p. 9, Contentspp. 11 14, Referencespp. 15 16, Definitionspp. 17 22B, B1/ VM1p. 51, B1/ VM4 , 56, B1/ VM4 Figure 2p. 70, B1/ VM4 83 84, 86 IndexAmendment 930 September 2010pp. 2 3, Document History, Status, pp. 11 14, Referencesp. 20, B1/ VM1 21, B1/ VM1 , 22 22B, B1/ VM1 23 24, B1/AS1 , , , , , , , , 27, B1/AS2 44, B1/AS3 47, B1/AS3 , 49, B1/AS3 , 63, B1/ VM4 67, B1/ VM4 incorporatingAmendments 4 930 September 2010 Erratum 130 September 2010p. 21, B1/ VM1 10 (Canterbury)Effective from 19 May 2011 until 31 January 2012p. 9, Contents p. 12 14, Referencesp. 15, Definitions p. 17, B1/ VM1p. 20, B1/ VM1 to 23 23C B1/AS1 , , , 48, B1/AS3 p. 84, IndexAmendment 11 Effective from 1 August 2011 until 14 August 2014p. 9, Contents p. 11 14, References p. 17 22B, B1/ VM1 , , , , , , , , , 23 24, B1/AS1 , , , , , , 27 34, B1/AS2 pp. 83 87, IndexAmendment 12 Effective from 14 February 2014 until 31 May 2016p.

6 9, Contents pp. 11 13, References pp. 15, 16, Definitions pp. 17, 18, 20, 22, 22A, 22B, B1/ VM1 , , , , , 23 23C, 24 B1/AS1 , , , 3 .1. 9, 4 .1. 5 , 8 .0, p. 79 , B1/ VM4 13 Effective from 1 June 2016 until 30 May 2017p. 13, Referencesp. 24 , B1/AS1 , 14 Effective from 4 November 2016 until 30 May 2017 Effective from 1 January 2017 until 30 May 2017p. 9 Contents 14 References p. 22 B1/ VM1 d) p. 22C VM1 22C 22F B1/ VM1 , - 14 .1. 2 2 pp. 23, 23B B1/AS1 , pp. 84, 87 IndexAmendment 15 Effective from 1 January 2017until 30 June 2018p. 13 References p. 20 B1/ VM1 , p. 21 B1/ VM1 p. 22B p. 23A B1/AS1 , , 24 B1/AS1 p. 37 B1/AS3 Scope p. 41 B1/AS3 p. 49 B1/AS3 p. 54 B1/ VM4 16 Effective 3 April 2018 until 31 March 2019p. 9 Contents pp. 11 14A References p. 18 B1/ VM1 21-22 B1/ VM1 , p. 57 B1/ VM4 p. 65 B1/ VM4 17 Effective fom 30 November 2018 until 31 October 2019p. 11 13 References p.

7 17 B1/ VM1 22 B1/ VM1 , p. 84 IndexAmendment 18 Effective from 27 June 2019 until 31 March 2020 except for Definition of Good ground in B1/AS1 (effective until 29 November 2021)p. 9 Contents pp. 12, 14A References pp. 21, 22A B1/ VM1 , , 23, 24 B1/AS1 , p. 84 IndexAmendment 19 Effective on 28 November 2019 until 2 November 2022p. 9 Contents pp. 11 14A References p. 15 Definitions p. 21 B1/ VM1 23 23H B1/AS1 , , 3 .1. 8 , 3 . , 3 . 2, 4 .1. 5 , 6 .1, 6 . 2 Amendment 20 Effective on 29 November 2021pp. 12, 14-14A References p. 21 B1/ VM1 , p. 22B B1/ VM1 pp. 22C-22F B1/ VM1 p. 23 B1/AS1 , p. 23A B1/AS1 p. 23D B1/AS1 , Comment 5 DEPARTMENT OF BUILDING AND HOUSINGJuly 1992 Clause B1 New Zealand Building Code Clause B1 StructureThis Clause is extracted from the New Zealand Building Code contained in the First Schedule of the Building Regulations 1992. DEPARTMENT OF BUILDING AND HOUSING61 December 2000 Clause B17 DEPARTMENT OF BUILDING AND HOUSINGJuly 1992 Clause B18 PageReferences 11 Definitions 15 Verification Method B1/VM1 17 General General 17 Structural Design Actions 17 Standards Concrete NZS 3101: Part 1 Concrete Masonry 21 NZS 4230 Steel 21 NZS 3404.

8 Part 1 AS/NZS 4600 Timber NZS 3603 Aluminium 22A AS/NZS 22A Earth Buildings 22B NZS 4297 Foundations 22B Siteworks NZS 4431 Drains 22B NZS/AS 3725 Windows 22C NZS 4211 Seismic Performance of 22C Engineering Systems in NZS 4219 Ductile Steel Mesh Grade 500E welded steel mesh 22 CAcceptable Solution B1/AS1 23 General Explanatory Note 23 Masonry 23 NZS 4229 23 Timber 23A NZS 3604 23A Slab-on-ground in expansive soils Earth Buildings 23G NZS 4299 23G Stucco 23G NZS 4251 Drains 23H AS/NZS AS/NZS AS/NZS 2032 AS/NZS 2033 Glazing 24 NZS 4223 Small Chimneys 24 Steel NASH Standard Part 2 Light 24 Steel Framed BuildingsVerification Method B1/VM2 25 Timber BarriersAcceptable Solution B1/AS2 27 Timber BarriersVerification Method B1/VM3 Small ChimneysAcceptable Solution B1/AS3 Small ChimneysContentsAmend 4 Dec 2000 Amends11 and 189 MINISTRY OF BUSINESS.

9 INNOVATION AND EMPLOYMENT29 November 2021 Contents B1/VM1/VM2/VM3/VM4 & AS1/AS2/AS3/AS4 Amend 3 Dec 1995 Amend 8 and 16 Amend 10 May 2011 Amend 10 May 2011 Amend 20 Nov 2021 Amend 4 Dec 2000 Amends11 and 18 Amend 20 Nov 2021 Amend 20 Nov 2021 Amend 11 Aug 2011 Amend 12 Feb 2014 Amend 20 Nov 2021 Amend 20 Nov 2021 Amend 20 Nov 2021 Amend 20 Nov 2021 Amend 19 Nov 2019 35 37 Scope Chimney Construction General Chimney wall thickness Foundations Hearths Chimney breasts Reinforcing Chimney restraint Materials and construction Systems to resist horizontal earthquake Solid Fuel Burning Domestic Chimneys Hearth slab Verification Method B1/VM4 Scope and limitations General Shallow Foundations General provisions Ultimate and design bearing strength and design bearing Ultimate limit state bearing strength for shallow Ultimate limit state sliding resistance Strength reduction factors Pile Foundations Ultimate vertical strength of single Column action Ultimate lateral strength of single Pile groups Downdrag Ultimate lateral strength of pile Strength reduction factors Pile Types Concrete piles Steel piles Timber piles Appendix A (Informative) Site Investigations Appendix B (Informative) Serviceability Limit State Deformations (Settlement)Appendix C (Informative) Description of Wall, Limit States and Soil Earth Pressure Coefficients Load Factors and Strength Reduction Notation Loadings Surcharge Pressures at Toe First Ultimate Limit State (short term static foundation bearing failure)

10 Second Ultimate Limit State (short term static foundation sliding failure) Third Ultimate Limit State (short term foundation bearing failure under EQ) Fourth Ultimate Limit State (short term foundation sliding failure under EQ) Fifth Ultimate Limit State (long term foundation bearing failure) Sixth Ultimate Limit State (long term foundation sliding failure) Comments Acceptable Solution B1/AS4 Foundations (Revised by Amendment 4)Index (Revised by Amendment 4)1 December 2008 DEPARTMENT OF BUILDING AND HOUSING10 Contents B1/VM1/VM2/VM3/VM4 & AS1/AS2/AS3/AS4 Amend 4 Dec 2000 Amend 4 Dec 2000 Amend 4 Dec 2000 Amend 4 Dec 20003737 373737414141414747 49 494951 51 51 525252 52 58 5959 60 6163 666666 66 666667676969 7070 71s 71 72 72 72 7375t 76 77 77 78 78 79 80 81 83 11 References B1/VM1/VM2/VM3/VM4 & AS1/AS2/AS3/AS4 References MINISTRY OF BUSINESS, INNOVATION AND EMPLOYMENT28 November 2019 Amend 7 Apr 2007 Amend 8 Dec 2008 For the purposes of New Zealand Building Code compliance, the Acceptable New Zealand and other Standards, and other documents referred to in these Verification Methods and Acceptable Solutions (primary reference documents) shall be the editions, along with their specific amendments, listed below.