New Zealand · Acceptable Solution
B1/AS1: Structural provisions for buildings
Acceptable Solution B1/AS1 for structural provisions within its stated scope under clause B1 of the New Zealand Building Code.
- Edition
- Second edition · effective 28 July 2025
- Search coverage
- 21 of 21 PDF pages
Structure
Open original PDF at page 4 Source wording and page order preserved. Drawings and table layouts remain available in the original PDF.
B1 STRUCTURE ACCEPTABLE SOLUTION B1/AS1
Contents
Contents
PART 1. GENERAL ....................................................................................................................... 5
1.1 Introduction ......................................................................................................................... 5
1.2 Using this acceptable solution .............................................................................................. 5
PART 2. BUILDINGS AND STRUCTURES ....................................................................................... 7
2.1 Masonry ............................................................................................................................... 7
2.2 Steel .................................................................................................................................... 7
2.3 Timber ................................................................................................................................. 7
2.4 Earth buildings ................................................................................................................... 15
PART 3. INDIVIDUAL BUILDING ELEMENTS ................................................................................. 16
3.1 Solid plastering .................................................................................................................. 16
3.2 Drains ................................................................................................................................ 16
3.3 Glazing .............................................................................................................................. 16
APPENDIX A. REFERENCES ..................................................................................................... 17
APPENDIX B. DEFINITIONS ..................................................................................................... 19
MINISTRY OF BUSINESS, INNOVATION AND EMPLOYMENT 28 JULY 2025 Page 4
Edition and local adoption determine which requirements apply. Use the publisher’s document for the complete clauses, diagrams and amendments.