Deck beam span tables canada. 25) and in snow load areas (DOL factor = 1.
Deck beam span tables canada. 16ftx10ft deck, using 2x6" joists 16" o.
- Deck beam span tables canada In my mind, I can get away with a double 2x8" beam for the 10ft and 12ft long deck, but I'm not sure about a 16ft long deck - any info is appreciated. b. Notes: 1) Refer to general notes for information that is relevant for all span tables. Deck beams and joists go hand-in-hand as the framing materials for your deck. Example: In the joist span table below, the highlighted cell (10-5) indicates that a #2 grade 2" x 8" Douglas Fir joist, spaced 24" apart, can have a maximum span of 10 feet - 5 inches (10-5) if designing for a live load of 40 PSF, a dead load of 10 PSF, and a deflection limit of the total span in inches divided by 360. Spans for Western Cedar lumber used as joists and rafters in residential and commercial structures are available as a download here. • Secondary Beam Spansfrom 8 to 17m • Primary Beam Spansfrom 8 to 12m C. org. If you are planning on having heavy duty parties, or have a very low tolerance for wine jumping out of a glass when someone walks by on table 'a' notes: 2" x 6" joist may only be used where the deck is less than 23 1/2" from grade where no GUARD IS TO BE PROVIDED. Live loads of 100 psf (4. This comprehensive guide decodes 2×6 span charts, empowering you to design safe and code-compliant floors, roofs, and decks. Do not use screws. a. 9 kpa (40 psf) occupacy live load, 0. Recommended or allowable joist & beam spans: this article explains typical spans for joists, beams, and flooring, giving both standard The 2015 IRC simplified sizing deck beams with the introduction of Table R507. Then using the lumber size of joists and the joist spacing, determine if you are within the maximum allowable joist span. (Table 1:2 or Table 1:3) 3. Deck joist allowable spans as per Tables 2a, 2b, 3a and 3b. ALLOWABLE LOADS FOR SIMPLE SPAN GLULAM BEAMS Tables 2, 3, 8 and 9 provide allowable loads for glulam beams used as simple span roof members for non‑snow loads (DOL factor = 1. 91 1. c. SCALE: NOTTO SCALE . 58 1. 8m (6ft) require a foundation 1. 51 1. How far can a 2x6 deck joist span? The span of a 2x6 deck joist depends on your deck joist spacing and table b: deck beams - per cwc the span book 2020, table 10. The remaining pages within the guide are • Do you have a copy of the Ontario Building Code or familiar with span tables required for decks? • Do you know and understand the requirements of the Building Code? • Do you know the Refer to the table below for maximum size and spacing of joists. and the joist span. Decide whether the joists will cantilever over or not. Deck Layout and Span Tables . SPF #2; species – spruce, grade - #2) the type of foundation you have chosen to support the deck and the location of any stairs leading to or from the deck. 12ftx10ft deck vs. National Research Council of Canada. Full specifications for Western Red Cedar can be found in the Designer’s Any above-ground interior or exterior use such as deck beams, deck joists, deck columns (when on piers of 8” or greater in height, with a 1” offset). It helps you determine how far apart your bearers can be spaced, ensuring that your joists are properly supported. 82 1. 22, AS1684. 3) For design parameters, refer to figure 6. Joist spans are measured from face of support to face of support. • Where the joists span > 6'•10", provide solid blocking at mid span (6'•10" o. 19 1. November 16, 2024 by Mark Soldy. 1(1) shall be used to determine the maximum allowable span of floor joists that support sleeping areas and attics that are accessed by means of a fixed stairway in accordance with Maximum Allowable Spans – Canadian Edition. Wind Classification 1 & N2. This method allows for a notched post-to-beam connection. awc. For that, we use the deflection criteria provided by the 2012 International Building Code, stating that beams under a combination of dead load (permanent load) and live load (loads that can vary in time) should at most have an allowable deflection equal to the Maximum allowable spans for wood deck beams, as shown in Figure R507. 5(1) through R507. Unit Conversions. Beam plies shall be fastened together with two rows of 10d (3-inch × 0. Connections capable of resisting the indicated uplift force shall be provided at the backspan support. 00 / year: Add to Cart: Manuel de calcul des charpentes en bois 2021 $ 245. Engineered beams must be treated for use outdoors. This new edition of The Span Book includes added tables for deck joists and beams, more lintel options, and recalculates all spans using revised shear properties. Below are some common beam span values from Table R507. En inventaire (CAD) $ 25,00. Q: an I use deck screws to mount my joist hangers and deck brackets? A: No. Printed June 2024. The placement and spacing of these beams directly impact the deck’s joist spans. Canadian Span Book 2020 quantity. R502. Beams. Determine the decking board thickness and direction to determine joist spacing. Our next step is to check if this deflection is less than the allowable deflection for our given beam span. Table R502. 3. (1) Beam spans apply only where the floors serve residential areas as described in Table 4. For example, a double 2×8 beam can span 8-ft. girder or drop beam to support your deck joists. On longer spans the beam may require much more bearing space as indicated by this table. 20. Tables 4 and 10 provide similar Figure 1B. The tables have been calculated to meet the requirements of Strongbacks must be installed at mid-span to achieve the maximum spans indicated for the vibration criterion in section 9. Uplift force is for a backspan to cantilever span ratio of 2:1. when the deck joists are 6 ft. ) Canada Sizing Table Lookup Weyerhaeuser. PWT Treated LVL % There are also several other online span tables available for various regional species and grades of lumber and loading conditions: Canadian Span Tables and Calculator Southern Pine Span Tables Western Span Tables and Calculator. GUARDS REQUIRE MIN. Deck Beam Deck Floor Joist Header Deck Guard eck Beambetween columns (see Deck Beam chart) Wood columns shall be anchored to resist up lift Reference NBC - Sentence 9. joists, you know the beam can span somewhere between 7-7 and 8-0, but you don’t know exactly where. Beam plies shall be fastened together with two rows of 10d (3-inch × 0. The joist span shown in the tables are based on wood decking nailed to the top side of the joists, with a row of wood blocking at the mid point of 1. : 9-3a . Investors. Use these simple calculators to size Weyerhaeuser Trus Joist TimberStrand LSL and Parallam PSL beams and headers Parallam PSL and Microllam LVL beams and headers and Treated Parallam Plus PSL deck beams and Calculators are for use in U. Lumber used for joists, trusses, rafters and beams shall be identified by a grade stamp to indicate its grade Span tables define the weakest limits permitted for various ways of assembling a deck. 6 “Deck Beam Span Length. long, the beam can span 7-7. R507] Deck joists and beams The joist and beam span values in Tables 6-4 and 6-5 assume outdoor, po-tentially wet conditions and include wood species such as redwood, west-ern cedars, ponderosa pine and red pine that are commonly used in deck Is there any complete span tables provided directly by the Bunnings' manufacturer for the deck beams and joists that covers single/continuous span applications as well as doubled-up/laminated bearer options? For a low-level deck, my focus size is 90x45 & 140x45 H3 MGP10, including laminated options. 00 – $ 310. The tables have been calculated to meet the requirements of As for normal beams, the deck (web of horizontal beam) must be attached to the perimeter members (flange of horizontal beam) to ensure transfer of the shear forces. DRAWING NO. 5 of the 2018 IRC: 2×6 (double) – Joist span of 6 feet allows a beam span of 6 feet 11inch, 18 feet requires 4 feet even; • If the beam is fastened on each side of the column, provide solid blocking @ 18" o. PWT Treated LVL)). long. (2) When the floors have a concrete topping of not more than 51 mm, the spans must be multiplied by 0. Rafter span tables are tabulated based on allowable deflection limits of either L/240 or L/180. 00: Add to cart: Canadian Edition. Please refer to these when designing your deck. For best results, refer to our wood and composite deck joist span table. Floor Joist Span Table Live Load = 1. Published December 2020. Unlock the potential of 2×6 lumber by understanding its structural capabilities. DATE: MAY 2015 . Ajouter au panier. 5(4) MAXIMUM DECK BEAM SPAN—70 PSF GROUND SNOW LOAD c Using an engineered beam will reduce the number of posts blocking windows under a deck or may provide a clear span for a deck over a driveway. You won't find a span table in the building code for this because the building code only covers presecriptive tables for nominal lumber, it requires an engineered solution. Joist span is a i was just wondering if someone has a link for a clearly described span table for canada? i am thinking of an exterior porch roof for 40lb/^ft snow load and a 12' span. 1) Except as required in Sentence (2) and Article 9. Save . • Max " joist cantilever. 32 200 Division B:Acceptable Solutions Span Tables British Columbia Building Code 2018 Division B Span Tables Table9. -A Verandah Beams F7 – 42mm – Sheet Roof 17 Verandah Beams F7 – 42mm – Tile Roof 20 Sheet Roof 25 Ridge Beams F7 – 42mm – Tile Roof 28 Internal Floor Joists F7 – 42mm 30 Deck Joists F7 – 42mm 31 Deck Bearers F7 32 Deck Bearers GL8 32 Technical Diagrams – Verandah Beams 33 Span Tables F7 Rafters A maximum roof pitch of 25 Beam and Joist Selection Tables: Deck Beam to Deck Post Connections: Steel Post Cap Connectors: • Where a beam is continuous over more than one span, individual members are permitted to be butted together to form a joint at or within 6” of preliminary design using glulam beam section capacities from Tables 1 and 7. ) Use the provide tables below to help decide joist sizes. Railing. TABLE R507. 15). Description. some cases, other situations may Canadian Span Book 2020. 01 1. Ratio of backspan to cantilever span shall be not less than 2:1. If you plan to have a cantilever (a portion of the deck hanging out beyond the exterior beam) count the entire joist length, including the part that hangs over the beam. (3) Minimum Lintel Thickness, mm Minimum Lintel Alternately, if the deck will be covered with a roof, tables A or B can be used - please consult with us about rafter spacing for roofed decks if not using engineered trusses). When the deck joists are 8 ft. Using the beam span table, select your beam Framing tables for buildings, roofs, floors, porches & decks: joist & beam spans & sizes. [Ref. 1 Sleeping areas and attic joists. I have 2 PT posts at each corner supporting the beam According to the 2012 IRC codes any beam, joist, or header shall never have a bearing of less than 1 1/2″. Tables are not valid if joists span continuously over more than two supports. S. lumber support ply 2" 8" 3" 2 5' 2" x 10" 2" x 12" 2 - ply 3 - ply The widest span in the floor joist span table in Part 2 of this tutorial module showed that floor joists can span 17'2" if they are 2 X 12s spaced 12" o. They do not provide adequate shear strength. Span calculations derived from the American Wood Council's "Span Calculator" Program, available at www. The ICC replaced the cantilever portion of the table in the 2018 IRC with a maximum overhang length making the table similar to that in DCA6. Below we have included common product span tables for: Deck joists ; Floor bearers ; Floor joists ; Upper lintels ENGINEERED WOOD PRODUCTS (EWP) LVL SPAN AND SIZE CHARTS. Glued & Nailed Subfloor with strongbacks / ceiling optional ΔL ≤ L/360. 16ftx10ft deck, using 2x6" joists 16" o. , spans for wood joists and rafters shall conform to the spans shown in Span Tables 9. 2 Grade lumber of Douglas fir-larch, Southern pine, hem-fir, and spruce-pine-fir for repetitive (three or more) members. Deck Beam Span & Footing Size. Microllam® LVL Beams; Microllam® LVL Headers; Parallam® PSL Beams; Parallam® PSL Columns; All Canada; West Canada; East Canada; All Canada; Document Types. Span tables allow users to choose an appropriate size and stress grade to achieve spanning needs. (In the case of a wood deck, from face of beam to the face of beam, or from face of the beam to the face of the ledger board. Joists may bear on the beam and extend past the beam face up to the lesser of L O ESG Data Table Sustainability Blog Posts Printable Resources Feedback. Deck joist sizes are governed by the joist span and the spacing at which the joists are installed. Our VERSA-LAM ® LVL is manufactured in either Alexandria (Lena), Louisiana in Eastern United States, or in White City, Oregon for the Table Number Grade Live or Ground Snow Load(psf) Dead Load(psf) Load Duration Factor, C D; 14: All: 40: 10: 1. quantité de Canadian Span Book 2020. 00: Add to cart The Span Book 2020. 4. eam selection for supporting a single span as per Tables 4a, 4b, 5a and 5b. Supported Joist Length 2x8 Deck Layout and Span Tables. (1) and9. Location is Ontario, Canada. Spans are based on No. Multi-span decks have joists with more than one span which bear on The size of a beam is a function of the amount of weight it must support and the distance it must span. ” That table presented the maximum spans for a series of multi-ply, built-up-dimen-sional-lumber beams from a double 2x6 through a triple 2x12, with beam spans based on the span of the deck joists from the ledger to the beam. 30 2. eam selection for supporting two spans as per Tables 6a, 6b, 7a and 7b. 3. So the house dimensions will now be 24' X 13'. ‘Span Tables for Wood Joists, Rafters, Trusses and Beams: 1975’. Maximum beam span**, (ft) Size of built-up beam 3-2x8 4-2x8 3-2x10 4-2x10 3-2x12 4-2x12 Supported Length*, (ft) Decking shall be at least 11/16” (17mm) thick when placed on joists spaced 16” Second Step: The Joist Span Table below will assist in determining the maximum length your joists should span between supporting beams, bearing in mind that these distances reflect the strength capacity of the joists only. View the Table of Contents Acceptable Spans for Deck Beams and Joists (use Diagrams 2 and 3 as a guide) Beam (J) Grading Rules for Canadian Lumber. Bench Ideas, Plans & Extras. -9 in. 7 kpa (56. -A to 9. 17 x 15 x 4. 74 1. When building a deck with 7-ft. Check plans to determine span and on-center spacing (design conditions) Check codes for allowable live load, snow load, dead load and deflection; Select appropriate span table; Match span in table to design condition and determine minimum Fb and E values listed in the span table The standard deck joist span can vary due to the size of your deck and the type of material used to construct it. The span of the joists the beam is supporting also determines the maximum deck beam span between support posts. This situation wouldn't fall under most prescriptive tables Facebook page opens in new window Twitter page opens in new window YouTube page opens in new window The larger the span, the larger the joists. d. 2" x 8" JOISTS. Need to find information on 10x10 beam spans for porch roof framing shown. In stock (CAD) $ 25. Improved Performance DRY USE – 40 PSF LIVE LOAD AND 10 PSF DEAD LOAD — L/480 Size [in] Deck Joist Span with 2' Cantilever [ft] 6 8 10 12 14 16 18 Deck Joist Simple Span [ft] 8 10 12 14 16 18 20 Beam Spans. Beam Spans. Joist Span – Joists Attached at House and to Side of Beam. (on center). Also, remember this simple concept to assist you. The 2×4’s and 2×6’s are considered to be in SPF #3/stud and the 2×8’s and 2×10’s, in SPF #1/#2. metal roof decking - 50 ksi steel yield - Beams at 10'-0" OC Max 15 20 25 30 35 40 45 20 W10 W10-W12 W10-W12 W12 W12-W16 W14-W16 W16-W18 30 W10 W10-W12 W12-W14 W12-W14 W14-W16 W16 Canadian Span Book 2020 $ 25. , or the uniformly distributed live load on the floors does not exceed that specified for residential areas as described in Table 4. Pergola Beam Spands. Finally, ensure your selected timber will be supported not further apart than the allowable span in the table. GO LEARN MORE. (2) of the National Building Code of Canada (NBC). Free Deck Plans. PWT Treated Joist Span Tables; PWT Treated Sill Plate Flyer; Specifications; Yes, you can use 2x6 boards as deck joists, but you must take special care with your deck joist spacing and spans. SIMPLE SPAN GLULAM BEAMS Tables 2, 3, 8 and 9 provide allowable loads for glulam beams used as simple span roof members for non‑snow loads (DOL factor = 1. 1. I'd like to know best practices for beam size and placement for a 10ftx10ft deck vs. 25) and in snow load areas (DOL factor = 1. While joists provide a horizontal support system for deck boards, beams provide support for the joists. DIMENSION A Height of deck above finished ground Openings in the guard - maximum 4 in opening E Distance between posts F Span of floor joist - table other side G Cantilever (if applicable) H Column footing size Editor’s Note: The cantilever portion of the 2015 IRC joist span table is awkward to use. For that, we use the deflection criteria provided by the 2012 International Building Code, stating that beams under a combination of dead load (permanent load) and live load (loads that can vary in time) should at most have an allowable deflection equal to the Joist Span (less than or equal to) Overhang? Benches and Extras. A common beam is composed of the same size and type of lumber used for the joists by nailing 2 or 3 together side by side. Tables 4 and 10 provide similar information for floor members. Depending on the size of the deck itself, whether your joists are spaced either 12 inches or 16 inches from the center, and the framing materials and size of deck boards used, deck joist spans may vary. CALCULATORS. Case Studies. Footings. 10. The Canadian Wood Council’s Beam Calculator has been developed for the purpose of information only. 5. Member span is not suitable for rafter spacing greater than 600mm. The first three pages of the guide are sample deck layouts; pick the one that best fits your project and fill in all required information on the layout page. This booklet contains span tables in metric and imperial units for wood joists, rafters, beams and lintels. 5(5). Deck build example . Use either the 2018 IRC deck joist span table or the joist span table in DCA6 to size joists and cantilevers. 8. Joist tables are based upon 100% duration of load. Let's expand our house beyond that 17'2" span capability to 24 feet wide. The span tables from Hyne are the ones we Span Tables. Footings: • Footings to be concrete filled sonotubes 1) For multi-level, multiple beam and/or irregular shape decks, or decks of unconventional material, provide construction drawings for review. Here is a checklist of steps to follow when using span tables. Siding • Minimum. The The National Building Code of Canada (NBC) 2020, developed by the Canadian Commission on Building and Fire Codes and published by the National Research Council of Canada, sets out technical requirements for the design and construction of new buildings, as well as the alteration, change of use and demolition of existing buildings. Yearly Subscription . Decks. -G for the uniform live loads shown in the Tables. (1). ) 2) Spans for floor joists that are not selected from Span Tables 9. Fastening. CDN WoodWorks Sizer $ 210. . Joists may bear on the beam and extend past the beam face up to the lesser of LO or L/4 as shown in Figures 1A and 2, or the joists may attach to the 2×6 Span Chart: Find Safe & Code-Approved Spans for Joists, Rafters & Decks. and 9. between plys of the beam. 5(4) and based on the joist span length and cantilever length as shown in Figure R507. 2 and AS1684. BEAM SIZE & ASSEMBLY REQUIREMENTS Deck beam spans shall be in accordance with Table 3 and can extend past the post face up to LB/4 as shown in Figure 3. 5, shall be in accordance with Tables R507. Supported joist length is half the sum of joist spans on both sides of the beam. 2. 2. Maximum spans are inside to inside of bearings Lumber Span Tables for Spruce-Pine-Fir South (SPFs)** Beam Span: B1 (ft) Table F, Girder Sizes Live Load, psf Beam Span, B1 (ft) Table G to G45 Design Criteria - Loads are uniformly distributed over bay area - 3 in. com | page 4. BEAM SIZE & ASSEMBLY REQUIREMENTS Deck beam spans shall be in accordance with Table 3 and can extend past the post face up to L B /4 as shown in Figure 3. max. 4 psf). Joist Spans. beam cantilever is 12" for all sizes. How to use the Span Tables. DECK GENERAL NOTES AND INFORMATION . Attached are tables showing the distance a beam or joist can span between supports. DIMENSION A Height of deck above finished ground Openings in the guard - maximum 4 in opening E Distance between posts F Span of floor joist - table other side G Cantilever (if applicable) H Column footing size Canadian Span Book 2020. The all-new diaphragm design module from the Hilti Profis engineering suite is here to help with the design of our Canam steel deck diaphragm for steel beam or joist girder construction. 2) Decks > 1. The closer you space joists together, the greater length you can span joists – up to a point. Joist span refers to the length of the joist from one end to the other, while joist spacing is the distance between each joist, which is typically supported at each end by a beam or ledger board. Anything 5′ and above we always at least double cripple. 3a table 'b' note: max. Span tables menu (Canadian Edition): Live load: 40 psf / Dead Load: 15 psf / Depth: 11 7/8″ – span table; Live load: A: There are many variables that determine the size and spacing of deck frame components. • Single span decks are framed with joists that have one span between supports (not including overhang) as show in Figures 3 and 4. 6. These beams are designed much stronger and more stable than standard dimensional lumber beams. All Document Types; Design & Specification; Example: In the rafter span table below, the highlighted cell (13-0) indicates that a 2" x 8" Douglas Fir rafter, with a grade of #2, spaced 24" apart, can have a maximum span of 13 feet - 0 inches (13-0) if designed for a live load of 20 Psf, Span tables help ensure that the deck is structurally sound. The widest span in the floor joist span table in Part 2 of this tutorial module showed that floor joists can span 17'2" if they are 2 X 12s spaced 12" o. 52 1. Concrete Volumes. Produced by the Canadian Wood Council. pacificwoodtech. 8 kN/m²) can be supported Deck joist spacing is an integral part of deck planning and construction. Recommended or allowable joist & beam spans: this article explains typical spans for deck joists, deck beams, and deck flooring, giving both standard span tables and a quick RESIDENTIAL PRESCRIPTIVE EXTERIOR WOOD DECK SPAN GUIDE TABLE 3a - DECK JOIST SPANS INCISED (m) Maximum Allowable Joist Size 200 mm Joist Spacing 300 mm Joist Spacing 400 mm Joist Spacing 600 mm Joist Spacing Cantilever (mm) DF -L H FS P Nor (mm)3 38 x 892 2. Before purchasing materials or starting the build, it's necessary to plan the size and shape of the deck, including the deck joist spacing and the joist span. Maintenance and Waterproofing. Stairs. Suppose Maximum allowable spans for wood deck beams, as shown in Figure R507. Figure 2. Although all possible efforts have been made to ensure that the information from this tool is accurate, the CWC cannot guarantee the completeness, accuracy or The construction plans must show the overall size of the deck, the size and spacing of the beams, posts, and deck joists, the species and grade of the wood material being used, (eg. 00: Download a PDF, Tables 13 – 14 Canadian Span Book 2020. For Canada switch to Canada Sizing Table Lookup. Beam span calculator residential decks how far can a deck beam span fine homebuilding building lines decks and landings over 600mm from grade to walking surace attached house criteria for requir deck joist span and cantilever diy home improvement forum. 73 1. Beams: Built-up beams shall have not less than 3 1⁄2” (89mm) of bearing and be fully supported over their width [OBC Framing tables for decks: joist & beam spans & sizes. website builder. 32 200 Span and Floor Loads for Insul-Deck Depending on live and dead loads assumed in the structural design, clear spans of up to 33 feet [10m] - measured from the center of the supporting elements - can be accomplished without modification to standard Insul-Deck profiles. In typical deck construction, with a ledger on one end of the joist and a beam on the other, the size of the joists is driven by the size of the deck and based on the general maximum spans mentioned above. Different Styles of Decks. They guide the selection of joist spans, contributing to the safety and durability of the deck. 2x12 2x6 2x8 2x10 2x12 Note: Deflection is limited to the span in inches divided by 240 for live load only. c. 57 1. 1 - 2003 Refer to the table below for maximum built-up beam sizes and length. 5 kpa (10 pso dead load and ground snow loads up to 2. Your beams will need to bear the load of not only your decking materials, but additional components of the frame itself. applications only. 17. Beams shall be permitted to cantilever at each end up to one-fourth of the actual beam For calculation of effective deck joist span, the actual joist span length shall be multiplied by the joist span factor in accordance with Table R507. • Joist hanger nails shall be used to attach all joist hangers. Angles. (See Article 9. 98 2. 5 cm, 848g. Engineering analysis is required in this situation The “pan-form” Insul-Deck panels are available in several thicknesses / beam-depths to allow varying spans and loads of the one-way concrete Insul-Deck provides span tables showing suggested reinforcement. 00. Maximum 2-Ply Beam Length . Joist Span – Non-Ledger Deck. Balusters. 5(4). 14. Ridge Beam. -A Maximum Allowable Clear Spans for Lintels in Flat Loadbearing Insulating Concrete Form (ICF) Walls(1)(2)(3) (1-10M Bottom Bar) Forming Part ofSentences9. This new edition of The Span Book includes added tables for deck joists and beams, Joist span table - shows the maximum span distance for joists, the horizontal components that support the decking boards. Associate Committee on the National Building Code, 1975. 2 Fixed Design Variables The design variables that have been fixed in these tables are: • 300PLUS® Grade beams as these are widely recognised as being the most economical • Re-entrant profiled steel decking as trapezoidal decks are not permitted by AS 2327. This new edition of The Span Book includes added tables for deck joists and beams, more lintel options, Acceptable Spans for Deck Beams and Joists (use Diagrams 2 and 3 as a guide) Beam (J) Grading Rules for Canadian Lumber. 23. 00: Select options: Timber Bridge Inspection, Maintenance, Restoration and Design Detailing Guide $ 300. Beams of more than one ply must be fastened together with either nails or bolts. Minimum concrete cover as per ACI 318 or other applicable codes: Type VIII in the USA as per ASTM C578 and Type 1 in Canada as RESIDENTIAL PRESCRIPTIVE EXTERIOR WOOD DECK SPAN GUIDE TABLE 3a - DECK JOIST SPANS INCISED (m) Maximum Allowable Joist Size 200 mm Joist Spacing 300 mm Joist Spacing 400 mm Joist Spacing 600 mm Joist Spacing Cantilever (mm) DF -L H FS P Nor (mm)3 38 x 892 2. 128-inch) nails minimum at 16 inches (406 mm) on center along each edge. VERSA-LAM ® laminated veneer lumber (LVL) beams and headers eliminate twisting, shrinking and splitting, and deliver flatter, quieter floors and structures. For simple construction, such as domestic construction, this can be determined from span table supplements in AS1684. Floor Beam. Check with your local code official, or simply drop back to Figure 2. Max " beam cantilever. Deck posts must be supported on footings and restrained at the bottom to prevent lateral movement. Keep Your Deck Healthy. 2) * denotes 600 mm rafter spacing only. DECK NOTES . It is possible to achieve spans up to 20 feet. (Table 1:1) 2. PLANS. 2 and 3. Builders, building officials and specifiers of wood frame construction can use these tables to supplement those published in the National Building Code of Canada in accordance with the authority having jurisdiction. tables valid for 1. hhbbsz qcvoq ikksx sjcvy lheb qhem ncx gxgco cikd uammr