METRIX. Deck joists selected from NZS 3604:2011 Timber-framed buildings Table 7.1b (wet in service) require lateral support at mid span when they span more than 2.5 metres and have a depth of four or more times their thickness (clause 7.1.2.3). Finally fit ant caps to stumps. Backfill holes, ensuring posts are vertical, with soil or soil and concrete mix and compact firmly. the bearer span table. Set up the bearer spacings at a minimum of 1800mm centres with stump holes no more than 1500mm apart. i) Maximum Bearer Span is based on supporting maximum decking mass of 20kg/m2 ii) Cantilevers shall not exceed 30% of the actual back span iii) The bearer sizes given may support decks over 1000mm above ground. 4. DOMESTIC DECKS APPLICATION GUIDE Table 2: Joist spans and sizes (continued) 1200 2400 4800 1200 2400 4800 Floor Load Width (mm) Maximum Bearer Span (mm) Single Span (mm) Continuous Span (mm) Bearer Size Depth x Breadth (mm) F27 SEASONED HARDWOOD 90x35 2200 2100 2100 2500 2400 2400 90x45 2400 2300 2300 2700 2700 2600 120x35 2900 2900 2900 3300 3300 3200 120x45 … 20th Aug 2018, 06:19 PM #3. Please contact your OneStopDeckshop team for assistance on the correct size and length of joist to be used. Footing and stump details shall be determined in conjunction with the selection of … Deck bearer spans for bearers and joists. Remember to complete all calculations using millimetres. Start by measuring the full length of your deck (outside of bearer to outside of bearer) and then subtract the thickness of one of the floor joists. The plan area of the footing depends on bearer and joist spans, and is determined from NZS 3604:2011 Table 6.1, ... both sides of a continuous bearer. I would like to build a small deck with solid flooring on which to place a garden shed. Depending on location and species, the amount of shrinkage occurring in unseasoned timber will vary. Can someone tell me what the max span for 2x 290x45 F7 will span for a deck >1m off the ground. Like. Renovation + Home Improvement. Reply. For a member to be in continuous span the smallest span must be greater than 80% of the other span/s or equal to them. ADJUSTABLE BEARER SUPPORT FOR USE WITH DECKS 300MM TO 600MM OFF THE GROUND BUILDING PRODUCTS Further Information All information in span tables relate to load bearing of 3.5 KPa as per Australian Standard AS1170-1. 4. Bearer Length*: 2.4-6.0m – will be subject to stock and availability. For simple construction, such as domestic construction, this can be determined from span table supplements in AS1684.2 and AS1684.3. This video shows you how to use Hyne Timber Design 7.5 to calculate the span required for a deck joist. Any deck where someone can fall 1 metre or more requires a barrier in compliance with NZBC F4 – safety from falling. Learn how to install bearers and stumps for a deck with this step by step guide from Bunnings. Member Join Date Sep 2010 Location Victoria Posts 70. A continuous span bearer is one that is supported at more than two points along it’s length. FLW of 1.8m continuos span and single span sitting on 350 brick piers. For example, a deck that is 1 metre long and 1 metre wide is likely to have only two bearers, one either side (running the length of the deck) and will be considered single span as each bearer will be supported only at each end. 2) For design parameters, refer to figure 7.26. Rafters 3-7 Roof Lintels 8-18 Deck Joists 19 Deck Bearer 20-21 Ridge Beams 22-26 Calculations 27-28 Paint Specs 29 Rafters Roof Lintels Deck Joists Deck Bearer Ridge Beams Calculations Paint specs Span Tables - Contents Proven since 1922 jenkin.co.nz. 6:26 pm #1. More. 1. Joists. Je pense, donc Join Date Apr 2012 Location Sydney North … The outside run of stumps will need to align with the outside edge of the deck. Deck Joists F7 – 42mm 31 Deck Bearers F7 32 Deck Bearers GL8 32 Technical Diagrams – Verandah Beams 33 Technical Diagrams – Ridge Beams 34 Technical Diagrams – Rafters and Battens 35 Technical Diagrams – Internal Floor Joists / Deck Joists / Deck Bearers 35. Information relevant to specific types of decks is contained in Section 2. (579) in accordance with the relevant Australian Standards, however please check for state and local government variations. That's a big span for a 90mm deep bearer, if this was my deck I would be using 140mm deep or decreasing the span by using more stumps. - These span tables are only for use in conjunction with TaranakipineTM timber products. DLO33 . 3 www.woodhouse.com.au Woodhouse Weatherproof ® Specifications The Product Woodhouse Weatherproof® is a range of eco … 27 Jan 2014. Floor loading applied includes an allowance for: •loor mass not exceeding 40 kg/m 2F •ive load of up to 1.5 kPa/1.8 kN, L for use in domestic houses. Make sure the nails go in on a slight angle, as this will give them better holding power. For bearers supporting decks up to 1000mm above ground refer to Table 5 Under no circumstances ... Run a bead of glue down the length of one bearer. The shed is a manufactured metal one of 1.5m x 3.0m dimensions. Bearer Size*: Onestopdeckshop recommend and stock 90mmx90mm or 100mmx100mm H4 treated pine bearers but you can also use Two 90mmx45mm, Two 100mmx50mm, 140mmx45mm, 150mmx50mm, 190mmx45mm, 200mmx50mm. Place it on top of the other bearer and line them up so they’re flush. I've consulted span tables, and have settled on double 190x45 bearers and 140x45 joists, to avoid having to dig too many holes. SPAN TABLES - These span tables have been developed in good faith, with the assistance of Mr.Peter Falvey B.E., M.I.E.Aust., C.P.Eng., R.P.E.Q. *Contact your OneStopDeckShop team for assistance on the correct size and … Span tables allow users to choose an appropriate size and stress grade to achieve spanning needs. Availability may vary. Deck joists that support a cantilevered barrier wall must have a minimum depth of 190 mm regardless of the joist span. 28/12/2014. This guide includes the relevant sections and tables you’ll need to design a standard deck that’s under 1m high and doesn’t require handrails. Wind Classification N1 & N2. Minimum backspan is 200% of overhang. - These span tables … These span tables have been prepared for a range of flooring and roofing applications in non-cyclonic wind regions using Boxspan® steel beams and brackets produced by Spantec Systems Pty Ltd. 2. 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