Springiness is acceptable provided that, unless otherwise specified, floors are built to the criteria in asnzs 1170. Building your own home house plans new zealand ltd. Timber grade and treatment shall be in accordance with the requirements set. Download handbook for timberframed buildings snz hb 3604.
Branz engineering basis o nzs 3604 1 introduction 8 1. The standard provides suitable methods and details for the design and construction of the majority of residential and other lowrise timberframed buildings in new zealand. This document has been reassessed by the committee, and judged to still be up to date. E2as1 and e2as3 the principal code for veneer materials and workmanship is nzs 4210. Along the remainder of the wall, roof members must be tied to wall studs. Install modwood decking with a 12 mm minimum gap between the. The bends in the deformed longitudinal reinforcing that form a hook or create a right angle must be at least five times the. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. Note bracing units per metre of element length, in accordance with nzs3604. Metal framing must be designed in accordance with nash 3405 an alternate solution to steel framed buildings and loads specified for domestic and residential activity from table 3.
James hardie bracing design manual august 2016 new zealand 3. Access to tis standard as been sponsored b te ministr of usiness innoation and mploment. In the extra high wind zone, the flexible underlay must be installed over a rigid underlay complying with nzbc acceptable solution e2as1, table 23. Timberframed buildings new handbook published scoop news. A heavy roof is defined in nzs 3604 as a roof with a roofing material cladding. This report presents the basis for changing the current branz test and evaluation procedure used to establish bracing ratings. To avoid nzs 3604 designs getting too out of step with the equivalent specific designs done to as. The damp proof membrane dpm material shall be polyethylene sheet in accordance with nzs 3604. Nzs 3604 shows how to construct timberframed buildings up to a maximum of three storeys where there is good ground nzs 3604 is used to design most homes and other lowrise timberframed buildings in new zealand. Beattie abstract the risk of damage to existing ltf buildings due to extreme winds is dependent both on the. You can follow nzs 3604 for structure and e2as1 for the roof and wall claddings. Nzs 3604 is used to design most homes and other lowrise timberframed buildings in new zealand. It is adapted and revised from branz study report 168 2007 the engineering basis of.
Piles that are misaligned, undermined by subfloor excavations, missing or irregularly spaced or not in full contact with the bearers should be repaired or replaced. The change of loading standards had wideranging implications on the technical basis and all the selection tables in nzs 3604. Selfdrilling screws for the building and construction industries corrosion resistance requirements. Provides users with a collection of figures and tables extracted from nzs 3604. Snz hb 3604 provides users with a collection of figures and tables extracted from nzs 3604.
Deviation from plan line under 10 m in length 5 mm 5. Its release introduced many changes that all designers and builders need to be familiar with. Status of nzs 3604 in the building control environment. Retrofit solutions are provided for the roof cladding and roof framing and costs have been estimated for retrofit solutions. When using tiles over a braced wall, designerbuilder must. The handbook directs users to the appropriate section of the standard for full information. Nzs 3604 can be used for timberframed buildings with one, two or certain configurations. The building system performance branch of mbie has sponsored access to view and print a single downloadable pdf copy of this standard at no charge.
Plywood structural determination of structural properties evaluation methods. If you are following b1as1, this nationallyapplied modification requires you to reinforce all concrete slabs with ductile steel and that you only use details that require. Jan 20, 2008 being a lawabiding citizen at times, i want to consult with document nzs 3604, which outlines all standards applicable to building decking according to council regulations and building codes, before i design my deck and order my timber. Siting of radiocommunications facilities guidelines for fixed, mobile and broadcasting services operating at frequencies above 30 mhz. Timber framing must comply with nzs 3604 timber framed buildings or for specific design nzs 3603 timber structure standard. This map divides the country into two wind regions a and w based on wind speed data from the new zealand metservice.
Free word to pdf creator software download easy pdf creation. For buildings where the design wind speeds are less, a multiplier is used to determine the permitted span for the given rafter size and spacing. Blocklaying tolerances while the full list of tolerances is contained in nzs 4210, table 2. Nzs 3604, with respect to their performance in extreme winds. Our two main areas of activity are research and investigation in the construction and design of buildings and the environment, and the transfer of knowledge in these areas. Concrete foundation wall reinforcing the height of the wall. The wire must be hooked to form a u around the end staple to allow the wire to be pulled.
The new standard was cited by the new zealand building code clause b1 structure in 2008. An introduction to using nzs 3604 timberframed buildings for structural design on good ground. Loadspan tests have been carried out as per the parameters set out in the nzmrm code of practice section 15 and in accordance with. The joints shall be lapped not less than 50mm and sealed with pressure sensitive tape not less than 50mm. Concrete foundation wall reinforcing building performance. National design specification nds for wood construction nds 2015. The development committee advises it must not be used as a substitute for the full standard, nzs 3604. Generally, nzs 3604 1999 doesnt apply to concrete raft floors in determining joint location and type. Weve assembled a list of resources to help you get started and learn more about the building process. This book is intended as a source document for those who need to know the basis for the engineering decisions underpinning nzs 3604 timberframed buildings. Anybizsoft pdf converter pdf software free download ccm free word to pdf creator software download. Requirements for clean out openings in masonry construction. It should be noted that nzs 3604 makes no specific provision for control joints and so the requirements of nzs 4210 which is referenced by nzs 3604 should apply. It is adapted and revised from branz study report 168 2007 the engineering basis of nzs 3604.
Timber framing must comply with nzs 3604 for buildings or parts of a building within the scope limitations of nzs 3604. Buildings or parts of buildings outside the scope of nzs 3604 must be specifically designed in accordance with nzs 3603 and nzs 4203 as nzs 1170. Using the software to size your members also gives you the ability to create reports and statements for council. This series starts by looking at the information needed for bracing calculations. Kaflex and roflex grommets branz appraisals product. These tables give wind bracing demands bum for the subfloor structure and the walls of single and upper floors and the lower of twostoreys. Branz search and locate tool the branz digital helpline, a useful directory of building and construction information in new zealand. Buildings or parts of buildings outside the scope of nzs 3604 must be to a specific design in accordance with nzs 3603 and as nzs 1170. Building and construction professionals can also call the branz helpline 0800 80 80 85 for advice.
Snz hb 3604 handbook to nzs 3604 2011 available now. Mentions limited circumstances in which blocking may not be needed. Steps action reference values available 1 determine wind region figure 5. Mbie launch free extracts from nzs 3604 handbook master builders. Being a lawabiding citizen at times, i want to consult with document nzs 3604, which outlines all standards applicable to building decking according to council regulations and building codes, before i design my deck and order my timber. As nzs 1170 minimum design loads on structures as nzs 1170. Standards new zealand updated the standard in 2011 to align it with the loadings standard as nzs 1170, particularly with regard to wind, earthquake and snow loads. By roger shelton, branz senior structural engineer n ew zealands timberframed building standard, nzs 3604. Gib ezybrace systems 2011 are the only wall bracing systems that are branz appraised appraisal no. When applied by architects, designers, builders, engineers, apprentices, building consent authorities and building industry regulators, nzs 3604 provides these users with a cost. By tom edhouse, branz technical advisor b racing for a timberframed building is required to resist. Nzs 4229 concrete masonry buildings not requiring specific engineering design nzs 4230 design of reinforced concrete masonry structures nzs 3604 timber framed buildings new zealand building code.
Readers should note that houses that have been built to. The web is full of documents entitled amendment to nzs 3604, but where is the actual nzs 3604. As the primary connection between the ground and most buildings, foundations bore the brunt of the earthquakes energy. Joints in concrete raft floors all concrete slabs require joints to control the effects of concrete shrinkage. Branz test and evaluation method em3v2 for bracing rating of walls to nzs 3604 from nz price.
The building catalogue has 247 access to pdf versions of over 600 up to date standards. Download and print the advisory note here pdf 188 kb. The launch of the new gib ezybrace systems in june 2011 bought the gib bracing systems in line with nzs 3604. The wind zone can now be applied to calculate the wind bracing demand from nzs 3604. Building on ground with liquefaction potential building. Lesa raft form is specified in waffle slab share joints in the new dbh code for christchurch under the new earthquake code. Nzs 4229 also references nzs 4210 however as it has its own specific requirement for control joints refer section 12, shrinkage they will take precedence over nzs 4210.
Asnzs 3604 1994 withdrawn information technology telecommunications and information exchange between systems use of x. The majority of residential building foundations in new zealand are constructed to comply with building code acceptable solution b1as1, which cites nzs 3604. Of lintel m light roof heavy roof loaded dimension is defined in figure 1. Branz is an independent and impartial research, testing, consulting and information company providing services and resources for the building industry. Where specific design is required, the framing must be of at least equivalent stiffness to the framing provisions of nzs 3604. Reproduced with permission from standards new zealand.
The regions are too general, however, as land formations can modify and create significant localised variations to wind speeds. The dpm shall be laid over the entire building platform directly on top of a sand blinding layer, extending to the outside of the edge beam. In all cases studs must be at maximum 600 mm centres. Nzs 3604 is a core resource for building consent authorities determining compliance with the new zealand building code using the latest version. Purlins are usually fixed by the builder before the roofing installation begins, while. Generally, a pile foundation must be in good condition to properly support the structure. Where on the web is new zealand building code document nzs 3604. Timberframed buildings selected extracts from nzs 3604. A standard represents the thinking on a subject at the time it was written.
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