Deck span tables. 5BI-36/1. Calculate composite deck-slab strength and maximum unshored span tables for your composite deck configurations. 5(1) “Maximum Deck Beam Span - 40 PSF Live Load” in the 2021 IRC applies to decks built for 40-psf live loads and is similar to the tables in the Find out the recommended maximum decking span for various wood species, such as cedar, redwood, hemlock and pine. Engineering. Depending on the complexity of your project, additional fees may be required. Supported Joist Length 2x8 The profile contains 4 ribs and is 32 inches wide with male and female edges, creating an interlocking side lap when installed. Here's a helpful chart covering the most popular wood framing species and their Span charts for deck joists and beams in a variety of framing materials, including wood and steel. Beam plies shall be fastened together with two rows of 10d (3-inch × 0. org. Part 1 relates to design criteria that can be used as a basis for the preparation of span tables and design data for the other parts. Loads and maximum construction spans are based on the SDI design manual for composite decks, form decks and roof decks, publication no. 5. Simply input your project data, and our tool will customize your load tables or diaphragm It covers the most common timber species and deck sizes. 32 200 Section R507 Exterior Decks QUESTION: The state amended the live load in Table R301. P. A deck beam span chart provides guidelines for different species and sizes of lumber, helping you select the right beam for your deck. •ceptionally long spans can be achieved with Deep-Dek Ex Navigating the Maximum Deck Beam Span Table Table R507. 5m. stairs & railings. Now, with new tables for 50-psf, 60-psf, and 70-psf snow loads, deck builders in high snow - Span-Deck Span Deck (52k, PDF) Span Deck, Ultra Span (57k, PDF) Ultra Span Ultra Span (52k, PDF) ERRATA (165k, PDF) PCI Design Handbook (6th Ed. Neither SFPA, nor its members, have knowledge of the quality of materials, workmanship or construction methods used on any construction project, and accordingly, do not warrant the technical data, design or performance of the lumber in The Deck Beam Span Table on this page makes it easy to determine how far apart your posts and therefore the span of the beam should be. Joist Span – Non-Ledger Deck. js (From Source) plugin to show you this document. Open Source document viewer for webpages, built with HTML and JavaScript. 2004) [ACI 318-02, IBC 2003, ASCE 7-02, NEHRP 2000] Interaction Curves Double Tee Its signature shape creates a strong deck with impressive span and overhang capabilities, making it ideal for open interior and exterior spaces. All timber is to be LOSP treated to standard H3 and graded One shortcoming of the span tables in the International Residential Code and the American Wood Council’s Prescriptive Residential Wood Deck Construction Guide (DCA 6) is that they’re limited to decks with a live load of 40 psf and a See Design Examples 2 and 3 (pages 25–26) for examples of preliminary design using glulam beam load‑span tables. 5B-36/1. **Explore our updated Southern Pine span tables for 2024**, offering key data on maximum spans for this robust softwood. Materials commonly used for decking include standard dimension lumber (either 2x4 or 2x6), radius-edged decking, or a manufactured decking product such as composite. The conditions under which lumber is used in construction may vary widely, as does the quality of workmanship. 75 × Span 2. The design stresses used in calculating the span tables have been determined in conformance with CSA 086-1970. Construction Span Table – 20 psf Construction Load. All members must be framed, anchored, tied, and braced to meyPINE3 is available in both structural and non-structural sections, this guide provides span tables for common loading scenarios using the structural section sizes. ViewerJS. Please Acceptable Spans for Deck Beams and Joists Beam (J) sizes and options. The following tables are solely for guidance on the loadbearing capacity of solid softwood timber members to give adequate support to floors, ceilings, and roofs in domestic dwellings. 16ftx10ft deck, using 2x6" joists 16" o. It then describes official Deck joist spacing is an integral part of deck planning and construction. What Is the Maximum Span for 2×8 Deck Joists? The maximum span of a 2×8 deck joist depends on wood species, grade, spacing, and loads, as well as other factors. The 3-inch deep ribs make N deck ideal for longer span conditions where B deck falls short. The span of that horizontal beam is defined by the distance between the vertical lateral load resisting 275 MPa (40 ksi) - LSD (Canada) Acoustic Steel Deck Tables Composite Deck - UL Fire-Rated Assemblies Deck Profile able span tables published in building codes and stan-dards, and industry technical publications. Wood Construction Data. 4b from NZS 3604; Maximum span of the bearers (continuous over two more spans) (m) Loaded Dimension of Bearer (m) Bearer Size (Width x Thickness in mm) 1. Sep 16, 2009 7 0 0 US. Deck Joist Spans - Continuous accross 2 or more spans Residential Live Load 2. ALLOWABLE LOADS FOR CANTILEVERED GLULAM ROOF BEAMS Tables 5, 6, 11 and 12 are for preliminary design of cantilevered roof beams for non‑snow loads (DOL factor = 1. Construction Tip Sheet 05 May 29, 2024 MyBuildingPermit. 00 of the estimated value of your project with a minimum fee of $25. 5mm plasterboard ceiling: a dead load of between 0. Learn how to size your deck beam using this easy-to-use span table. Deflection – This table is based on concrete poured to a constant thickness and does not take account for deflection of the decking or supporting beams (as a guide, to account for the deflection of the decking, a concrete volume of span/250 should be added to the figures indicated). But the Joists needing to be 170x45 (1200mm span width) means I am beyond my 300mm limit for my deck. Aug 28, 2024 #1 webotf Structural. Design Resources. These span tables are the equivalent of other industry-standard span tables and are calculated to the same standards. The designer should consider that the allowable span typically includes the Dead Load weight of the deck and concrete along with Construction Live load of 20 lb/ft 2 or a 150-pound point load. Contact New Millennium for availability of higher yield strengths when required or use our deck specification tool to view load tables with commonly available non-standard yield strengths and/or gages. 2m 4. Sizing deck beams got a lot easier with the publication of the 2015 International Residential Code. Plan view Elevation View Other requirements that may need to be included in your application package: deflections in the unlapped and lapped 2 span tables. Read the Tutorial for Understanding Loads and Using Span Tables. com | Basic Deck 4 d Post Size b, c Maximum Deck Post Height Tributary Area 20 40 60 80 100 120 CSM Metal Deck’s N Deck supports construction spans from 1 foot to 11 feet in distance, depending upon the gauge and back-span condition (single, double, triple). Required bearing should be determined based on specific span conditions. , C. Western Wood Products Association Span Tables. This update includes a design example at the end of the document. 1 C3) Full reports available The deck joist span chart below is based on the updated codes from the International Residential Code (2015), which for the first time, specifically addressed these deck design considerations. Load 2 — Build — Timber decks Sizes available: 100 x 25mm 100 x 40mm 150 x 40mm Griptread or smooth planer finish Available at your nearest Carters store www. The National Building Code references the Span Book as follows: “Tables A-1 to A-16 cover only the most com-mon Reinforcing requirements are a function of the desired span between supporting points and the live loads imposed on the structure. 083 2. Resources provide a simplified system to determine allowable joist and rafter spans in one- and two-family dwellings, and the companion supplements for tabulating allowable bending and Find standard span tables and a quick rule of thumb for sizing deck joists, beams, and flooring. Selected lumber design values and span tables for these species groups are provided in this publication. Again, it's essential to know your local codes. Deck Type Maximum Unshored Clear Span 1 span 2 span 3 span 5. (1) and9. care & maintenance. This style of deck uses the unique strength of the dovetail shape to provide significant strength and capacity at longer spans with a shallower floor depth, allowing you to fit more into multi-story buildings. The spans were determined on the same basis as the code-recognized Span Tables for Joists and Rafters published by the American Span Tables. 00. Save. Check with your local shire council, certifier or The Southern Forest Products Association provides size selection tables for various beam spans and loading combinations for Southern Pine dimension lumber and Southern Pine glued laminated timber are available for the following applications: Refer to SFPA’s publication Southern Pine Maximum Spans for Joists & Rafters (download in Publications) that includes all 46 Beam Span: B1 (ft) Table F, Girder Sizes Live Load, psf Beam Span, B1 (ft) Table G to G45 Design Criteria - Dead Load includes system self weight (slab + steel) - Superimposed dead load = 20 psf (roofing systems + MEP) - Loads are uniformly distributed over bay area - 3 in. 128-inch) nails minimum at 16 inches (406 mm) on center along each edge. awc. For continuous span where the variation between adjacent spans exceeds 30% of the larger span, the single span tables must be used. 30. Responsibility for 2. 00 and a Development Permit fee of $25. For estimating purposes, Insul-Deck provides span tables showing suggested reinforcement. 1 which is a uniformly distributed load of 1. April 2019 1 29/11/2022 Our Reference 3333‐05‐SL01_A Tuesday, Table R507. 7 1 1. the first West Coast manufacturer to incorporate diaphragm shear and superimposed load tables based on ANSI/SDI C-2011 . The IRC is the governing document for all residential construction in the United States. 75mm thick decking About this chapter: Chapter 5 provides the requirements for the design and construction of floor systems that will be capable of supporting minimum required design loads. The calculated spans assume fully supported members, properly sheathed and nailed on the top edge of the joist or rafter. Bell View the Verco Roof Deck Catalog for product details, load tables, attachments of roof deck, finishes, roof deck accessories, and design examples. You're correct that joists are always spaced 450mm apart, as that's as far as 19mm decking can span before it gets bouncy @Toval. 1 - 2003 ` • 1. View SPC Span Tables. Version 0. 3 Timber structures –Design criteria for timber-framed residential buildings AS1720. 5D-12 7. The SFPA’s tables list maximum spans for Southern Pine joists and rafters assumes the quality of wood products and fasteners, and the design of load-supporting members and connections, conforms to the National Design Specification® (NDS®) for Wood Construction published by the American Wood Council (AWC). span tables. All members must be framed, anchored, tied, and braced to strength of the steel roof deck and open web steel joist tie plates. by assuming clear span dimensions. Domestic live load is 2. These deflections should be regarded as nominal only. - These span tables are only for use in conjunction Joists and rafter spans for common loading conditions can be determined. *New* Yellow Cedar. Eng. Maximum Spans Our new interactive deck tools provide the fastest way to generate your load tables and diaphragm designs for roof, composite and form deck. 2004) [ACI 318-02, IBC 2003, ASCE 7-02, NEHRP 2000] Interaction Curves Double Tee BOXSPAN SPAN TABLES RESIDENTIAL FLOORS Standard Floor Types (Dead Load 0. page 1 1. Web crippling and shear have not been accounted for in these tables. The spans In this article, I’ll explain how to navigate the updated deck-joist-span table (R507. Single Span Propped deck, continuous slab (m) - Normal weight concrete - Eurocode - Beam width 152mm (Refer to Technical Department for Double Span propped deck tables. 0. 75 kPa i. of higher yield strengths when required, or use our deck specification tool to view load tables with commonly available non-standard yield strengths and/or gages. The Hi Bunnings community, I’m in the planning stage of our deck and having difficulty finding the right source for the complete span tables. One indicator of how far metal deck can span is its depth. 1 C3) Full reports available on request. The 2015 IRC Section 507- Exterior Decks, includes joist and beam span tables, and a ledger connection table, which contain values for live load on decks and balconies based on 40 psf. meyertimber. See the notes below the span tables for details. restoration. Even if a building consent is not required, construction must still comply with New Zealand nails and screws may be used to fix decking (NZS 3604:2011 Table 4. The closer you space joists together, the greater length you can span joists – up to a point. This standard was adopted for inclusion in the 2015 IBC. 58 1. Canam Steel Deck: This ratio lowers of which the flanges are the perimeter structural members connected to the deck. Knowing the load and span of a certain element, a table will have the correct member that would be structurally sufficient if used in the confinement of the stated limitations of the design tables. Primary design software program includes generic span tables for various building elements (excluding verandah beams) enabling users to select sizes and load conditions to generate suitable member sizes and grades. -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. 5(1) through R507. nd and 2 coats of clear anti slip. 7 provided that the design live load does not exceed 30 pounds per square foot (1. Peter Falvey B. 9 The connection of the ledger to the 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, and dead load of 20 Psf. pdf), Text File (. DATE: MAY 2015 . Learn how to choose the right decking material and joist Deck joists have different maximum span lengths depending upon the size, spacing, and framing material that you're creating your deck with. Readers Deck Beam Span & Footing Size. If you run decking at an angle, you might need to put the joists closer together. Maximum deck joist span is based on supporting a maximum decking mass of 20 kg/m2, imposed point load of 1. BS 5268-7. BOXSPAN ® Residential Span Tables. 3), but note 4 states that, where timber has been treated with ACQ or CuAz preservative, type 304 Load Tables. Web crippling and shear These span tables assume installation of at least three joists or rafters that are spaced not more than 24" on center. Horizontal Shear - Fv (Fig. Decking Maximum Joist Spacing (mm) 90x20 450 90x25 600 140x20 450 140x25 600 . 5. Use this Decks. 5, shall be in accordance with Tables R507. Commercial live load taken as 4. outdoor. If you need strength graded components please consult your Q-Deck® retailer who will pass the enquiry onto Hoppings Softwood Products for consideration. The closer you Deck joist spans depend primarily on how much weight the deck will bear. DRAWING NO. 5(1) “Maximum Deck Beam Span - 40 PSF Live Load” in the 2021 IRC applies to decks built for 40-psf live loads and is similar to the tables in the previous codes (Figure 1). Deck Support Beams How to Install Flush Deck Headers & Beams. 6 Deck Beams and Table R507. Standard for Composite Steel Floor Deck-Slabs. Maximum allowable spans for wood deck beams, as shown in Figure R507. 5x28 ga 2'- 3 2'- 9 2'- 8 9/16x2. For example, a 2-2×8 Southern Pine beam can have a maximum span of 8 feet 6 inches, while a 2-2×8 Douglas Fir-Larch beam can span up to 9 feet 5 inches. Rafter Span Tables • sizes, spans and fixings of bearers, joists and decking • barrier details and calculations • stair details (if relevant). The Woodhouse Timber Company Span Tables for F7 grade timber structural finger jointed members and GL8 members have been examined and are considered to be structurally satisfactory and able to meet the requirements of AS 1170 Parts 1 and 2 – 2002 Design Actions. The AS 1684. Floor Joist Span Table there needs to plenty of rooms for tables and chairs It is also important to make sure that the deck does not interfere with existing drainage, plumbing or electricity services. ) 8 10 12 14 16 Southern pine 2 – 2 x 8 7-7 6-9 6-2 5-9 5-4 2 – 2 x 10 9-0 8-0 7-4 6-9 6-4 2 – 2 x 12 10-7 9-5 8-7 8-0 7-6 3 – 2 x 8 9-6 8-6 7-9 Vulcraft is your partner from the start, offering a wide range of roof deck profiles, N-deck is ideal for spans greater than 10 feet, and is available in 32" wide panels, Standard LRFD Load Tables. 00 (t=2. View the Verco Floor Deck Catalog for product details, It's a long span metal decking panel that's capable of spanning further than 1. Calculate maximum unshored construction spans for thick slabs based on your design criteria. I. Span-Deck Span Deck (52k, PDF) Span Deck, Ultra Span (57k, PDF) Ultra Span Ultra Span (52k, PDF) ERRATA (165k, PDF) PCI Design Handbook (6th Ed. Joist (W) sizes and options. 98 2. Is there any We have collated span tables from our major suppliers to assist you in choosing an appropriate size and stress grade to achieve your spanning needs. For each combination of span and thickness (or Span Rating), loads are given for deflections of L/360, L/240 and L/180, and maximum loads Deck Support Beams Beam Span Chart Table. 5kN/m2 may be assumed; use the centre three columns from Tables 1 and 2. 5kN/m² for spans greater than 2400 mm and 3. Lumber Size Our Composite Deck is an efficient option when you need a floor deck solution for elevated floor systems. DuraGal Flooring System™ Product Technical Information Guide features product specifications and design criteria for assembly. Typically, a deeper type of metal deck, such as N Deck or 3″ composite deck, will be able to span further than shorter depth metal decks, like B Deck or The following span tables indicate the required size of C24 strength class timber members for common uses. Use kiln-dried softwood in the appropriate strength class, grade stamped to comply Online and mobile-based calculators for determining spans, connections, heights and areas, acoustics and energy efficiency. for each deck type, contact New Millennium for availability . , M. Girder spans also range from 15 feet to 45 feet in 5-foot increments for each of the beam spans noted. com Claymark Premium decking is manufactured using the specifically milled Radiata Pine timber that is treated to H3. Span Tables. Depth × Breadth (mm) Single Span Continuous Span 2/90×35 1500 400 1000 300 NS NS 1500 400 1000 300 NS NS BOXSPAN SPAN TABLES RESIDENTIAL FLOORS Standard Floor Types (Dead Load 0. 20. Note: TQ recommends a maximum MC of 15% for residential decking. Composite Deck-Slab Superimposed Load Tutorial. 73 1. 01 1. 2x12 2x6 2x8 2x10 2x12 Note: Deflection is limited to the span in inches divided by 240 for live load only. 5” FORM DECK GRADE 50 STEEL / FIELD INVERTED DECK Shear and Web Crippling Note All section properties and ASD flexural strengths are calculated in accordance with ANSI/SDI RD-2017, AISI S100-2012 and AISI Continuous Bearer Span Standard Residential deck loading - Class A - - 2Kpa Live Load , 0. Our decking is of an extremely high grade and has a superb planer finish Make sure These Span Tables have been prepared in accordance with standard engineering principles, the relevant test reports and Australian standards, ie: AS1720. Span Cant. PRESCRIPTIVE RESIDENTIAL WOOD DECK CONSTRUCTION GUIDE 5 American Wood Council Figure 1B. Tables are available on request for: - Live loads other than 1. It is specifically developed for the Indian SMARTDEK® Span Table Formwork Stage* 0. Decks holding hot tubs will require reinforcement and closer joist spacing. Dig holes 600mm deep, place stumps on 230 x 230 x 100mm deep bed of concrete. Photo SFPA. AS 1684 Residential Timber Framed Construction has four parts: . . Below is a useful chart that outlines the maximum permissible spans for the most common types of THE CANADIAN WOOD COUNCIL (CWC) DECK SPAN TABLES - 2016. 0m; 44x30: 44x44: 68x44: 88x44 In lieu of mechanical fasteners, the decks are secured to supports with puddle welds as noted in Tables A through F. Unshored Construction Span Tutorial. 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 Australian Hardwood Domestic Deck Span Tables - Free download as PDF File (. TABLE 2 - TIMBER POSTS(1) SUPPORTING ROOF AND/OR FLOOR LOADS Floor Area Supported (m²) 5 10 15 Roof Load Area (m²) 0 5 10 20 0 5 10 20 0 5 10 20 Size DxB (mm) Maximum Post Height (mm) Unseasoned Cypress, F5 Sheet Roof 75 x 75 100 x 100 2000 3600 1900 spans and stress often presented in tables. Find out how to size and space deck joists according to the latest building codes and wet service conditions. While joists provide a horizontal support system for deck boards, beams provide support for the joists. 5m, span table J will be used to determine the spans. Decking with boards with a 2x4 or 2x6 span can be 24 inches. City of Blaine ordinances, and good building practice. Check sources of supply for available grades and sizes. Span length assumes center-to-center spacing of supports. 3. 42mm BMT thickness, with a double span configuration. Typically 3″ Composite Deck is used for applications in outdoor flooring. composite metal decking - 50 ksi steel yield - 3 ksi concrete strength - Division B:Acceptable Solutions Span Tables British Columbia Building Code 2018 Division B Span Tables Table9. ASC Steel Deck has established itself as an industry leader having accomplished many industry-firsts. DECK-SLAB DIAPHRAGM designed for timber deck areas. Solution: Beam hc = 2. S. These spans were calculated using our flat roof joist calculation engine. 1 was published before BS 6399-1 was amended to Span Table and Footing Schedule for Decks Deck Ledger Connection to Band Joist a, b (Reference IRC Table R507. Spans for rib deflections of span/240 and span/150 are given in Tables 3a,4a and 3b,4b respectively. When these are not in place, the purlins have a NUCOR CFR™ PROPERTY AND SPAN TABLE Panel Properties per foot of panel width Panel Material Information 24 0. See Table G for the equivalent visible weld diameter needed when welding through multiple sheets of deck. Loads shown in tables are uniformly distributed superimposed loads in psf. metal roof decking - 50 ksi steel yield - Beams at 10'-0" OC Max 15 20 25 30 35 40 45 20 W10 W10-W12 such span tables. Table R502. The allowable span for common slab conditions may be found in SDI’s FDDM (Floor deck Design Manual) and can be purchased on this website. But I would prefer 3 bearers with smaller wood but the span tables don't have, say, 1600mm span loads. 1 and No. There are Tables that also provide sizing for beams based on span, joist wood type, and grade, as well as beam size, support post spacing, and footing requirements. 2Kpa Dead Load , 1. Reports Los Angeles Research Report IAPMO UES Report Click on a report . Calculate the maximum joist span and spacing for your deck based on the type of wood, joist size, and decking material. 5x26 ga 2'- 10 3'- 4 3'- 4 Required bearing should be determined based on specific span conditions. Deck beams and joists go hand-in-hand as the framing materials for your deck. 5 for decks and balconies from 40 pounds per square foot (psf) to 60 psf. Construction Loads There are numerous reasons why buildings fail or cease to work well during construction. 149 4. Connection Details Joist Span AS 1684 – Four parts. ) (Note: Single span deck Pocket Span Table Book The 330 page PSTB is in an easy to carry pocket sized (A5), durable and spiral bound format and includes span tables for commonly used sawn structural timber grades as well as engineered LVL and I-beam floor joist tables. iv. 1. Otherwise each span is to be considered ‘single Maximum allowable spans for wood deck beams, as shown in Figure R507. Learn about wood species, live load, deflection, and fasteners for de Here is a checklist of steps to follow when using span tables. How Far Can Metal Deck Span? The length of metal deck spans will depend upon the type of metal deck and manufacturer specifications. Read the This code and deck beam span chart simplifies sizing deck beams for 2-ply and 3-ply built-up beams, ensuring proper construction and safety. Web crippling and shear Click on a span to generate a full calculation (you can adjust the exact span). Where this is not desirable, for sizes above 190×35 mm designers and builders may reduce the spans by 500 mm and cantilevers by 250 mm. In general, metal decks can span distances ranging from 1 foot to 11 feet, depending on the specific deck type and configuration. Tables 1 and 2 in this chapter are derived from the BM TRADA Technology Ltd. 4. Q. C16 Table A: Maximum joist spans - Strength Class C16 . UNSHORED CONSTRUCTION SPAN. decking span charts. 8. 75kPa Table 6 MAXIMUM BEARER SPAN (m) BOXSPAN SECTION the bearer span table. 71 1. Does anyone know where I might find load tables for 8" deep 8 foot wide Span-Deck panels for and existing building? The building was built in 1977. 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. Pergola Tables 481 KB pdf; Table 10 Prolam Deck Joist 83 KB pdf; Table 11 Tables 1 and 2 in this chapter are derived from the BM TRADA Technology Ltd. I'd like to know best practices for beam size and placement for a 10ftx10ft deck vs. Skip to search Skip to Steel I beams are the strongest form of beam available and can be used to carry extremely long spans 20 ft + but are very expensive, heavy and difficult to work with. These include concrete density,concrete placement position & levels of supports. Straight-line interpolation shall be permitted for intermediate spans and design values. SCALE: NOTTO SCALE . Maximum spans are inside to inside of bearings Lumber Span Tables for Spruce-Pine-Fir South (SPFs)** 2. 51 1. A “span options” calculator allows selection of multiple species and grades for comparison purposes. Its head-of-wall fire rating eliminates the cost of placing expensive fire sealants in the deck flutes when set over CFS bearing walls. It’s updated every three years, and the 2018 edition was released in The larger the span, the larger the joists. New formwork tables are optimised for steel frame construction but are also suitable for Maximum slab spans in these tables shall be designed by a qualified structural engineer. Navigating the Maximum Deck Beam Span Table. For commercial and Residential Timber Decks© Table 3 Bearers Floor Load Width (mm) (Length of joists supported) 1800 2400 3000 3600 1800 2400 3000 3600 Maximum Bearer Span (mm The Vulcraft Steel Roof and Floor Deck Manual provides comprehensive information on steel roof and floor decking solutions. 24 Files. For best results, refer to our wood and composite deck joist span table. The Open Joist TRIFORCE®. Same day pick up or next day delivery. 6 of the 2021 IRC and UpCodes identify both the maximum deck joist span and the maximum cantilever based on a variety of factors. For upper floors with 22mm thick chipboard decking and a 12. 0kPa 5. These tables are tailored for constructing decks, joists, and rafters, with adjustments for various climates. Decking boards span from joist to joist. But let’s first explain what the numbers in the chart actually mean, because it can be a bit confusing. com. As the Table above identifies, a #2 Deck - Span Tables and Technical Design Information This information is intended only as a guide and is based in part on the 2015 Minnesota State Building Code. Maximum spans were calculated using design values effective June 1, 2013. and Canadian Spruce-Pine-Fir. rovides . 30 2. If you’re a homeowner looking to build a deck, The following guide will walk you through basic deck requirements and best practices for calculating deck joist and beam spans. Using the PDF. 5 Deck Beams. ®Use BONDEK Allows for longer unshored span when metal deck is used as a leave in place form Longer unshored span than non-cellular profile For use when metal deck is used as a leave in place form 1. These web-based solutions are a large step forward from the catalogs of static load tables historically used for the design of steel roof deck. Keller and Keller Types of Lumber for Joists and rafter spans for common loading conditions can be determined. 2 0. decking calculator. This rating refers to the hardness of the steel. 6 kN load per metre width of floor for spans less than 2400 mm to ensure that very small joist sizes do not result from the calculations for smaller spans. 17. roof deck. 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 Section R311. www. The maximum joist spans below are based on a ground snow and live load of 40 pounds per square foot and a dead load of 10 pounds per square foot. a P5 classification for slip resistance. The major span is taken from the continuous span table e. April 2019 Residential Floors Standard Floor Types BEARERS SUPPORTING DECKS MORE THAN 1m ABOVE GROUND • Decking boards • BEARER15mm compressed FC sheeting + tiles • Live Load: 2. Composite decks bond with the concrete poured on them to make one strong unit that can stand the test of time. 2, intended for use under wet-service conditions (floor/deck joists) where moisture Table R507. SPFA provides three tables for pressure-treated Southern Pine visual grades No. Or a 50lb/ft 2 un-poured load. floor systems that are quiet, stable and cost-effective. 75 TIMES THE LARGER SPAN . deck projects. SHALL SPAN AT LEAST 2 ADJACENT SPANS SUCH THAT THE SMALLER SPAN IS AT LEAT 0. 00) 37 PSF 3x12x22 ga 11' 2" 12' 3" 12' 7" 3x12x20 ga 12' 11" 13' 12" 14' 6" Bearers for Decks in New Zealand (NZ) SG8 grade bearers for wet in service use with a 2KPa load from table 6. ### Species Included: - **Southern Pine** - **Mixed Southern Pine** These tables will enable you to adhere to building regulations and improve Calculate composite deck-slab strength and maximum unshored span tables for your composite deck configurations. BROWN PTY LTD APEX PURLIN TABLES 12. Flush beams are a great solution when space and clearance may be limited. Note: Our floor joist span tables are based on loadings given in the newer, amended version of BS 6399-1. The table below shows an example of a typical load/span table available from one supplier of metal decking. Additionally, Versa Load-span tables for specific wood structural panel applications are included in several APA publications. 2 - Deck live load = 60 psf, deck dead load = 10 psf, snow load ≤ 40 psf) For SI: 1 inch = 25. ASC Steel Deck was . 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. DECK-SLAB DIAPHRAGM 2. Span tables will advise the stress grades and timber sizes to determine the spanning ability of load carrying members. : 9-3a . APPENDIX C – SPAN TABLES C. Technical Papers. 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. While every attempt has been made to insure the correctness of this handout, no guarantees are made to its accuracy or completeness. 0kN The Span Book is a supplement to the wood joist, rafter and beam spans found in the National Building Code of Canada. 1. For alternative sizes, spans and stress grades refer to AS 1684 Residential timber-framed construction. Other span tables are based on the guidance given in BS 5268-7. (3) Minimum Lintel Thickness, mm Minimum Lintel BONDEK® structural decking to the forefront. au The following tables have been produced in accordance with AS 1720. (579) in accordance with the relevant Australian Standards, however please check for state and local government variations. Reference our 1” Form Deck load tables for information about section properties, sheer and web crippling, allowable uniform downward loads, allowable uniform upward loads, uniform superimposed service load that causes 1/240 deflection, maximum construction and cantilever spans, and construction span table. While plenty of resources are available by various manufacturers and timber sizes and grades (F7, MGP10), these are slightly varied by manufacturer. 25kN/m2 and 0. Size Deck Joist Spacing (Centres) 300 400 450; 44x30: x: x: x: 44x44: 650: Commercial live load taken as 4. This is the document commonly used by engineers ; The other three parts provide building practices and procedures that assist in the correct specification Structural engineers usually rely on load/span tables produced by metal deck manufacturers in order to determine the thickness of slab and mesh reinforcement required for a given floor arrangement, fire rating, method of construction, etc. It includes information on: - Footings and recommended footing sizes according to site classification. 15 20 25 30 35 40 45 Classification - 3 in. Use the span tables in the links below to determine the maximum allowable lengths of joists and rafters. Ronald A. Span tables for visual and mechanical grades of southern pine lumber joists and rafters, and southern pine lumber and glue-laminated timber (glulam) headers, beams and girders. Deck builders can now refer to Section R507. This document discusses deck span tables, which define the limits for assembling decks based on factors like wood type and snow loads. Learn more and get your own copy on the ViewerJS website. The most commonly used lumber species groups are Douglas Fir-Larch, Hem-Fir and Southern Pine grown in the U. CSM Metal Deck stocks and manufactures 3″ Composite Deck in 22, 20, 18, and 16 gauge. Joist span Joists with dropped beam Optional Cantilever Building wall FIGURE 6-18 Typical deck joist span and supports TABLE 6-5 Deck beam spans (feet - inches) Species Size Deck joist span (ft. Gallery. The document recommends building decks within span table limits and using thicker lumber if space is limited. 0222 50 65 1. Where lightweight non load-bearing partitions weigh up to 1. 5 metres and have a depth of four or more times their thickness (clause 7. Maximum 2-Ply Beam Length . Spans are given in feet and inches and are the maximum allowable horizontal span of the member from inside to inside of bearings. 74 1. The size, grade, and frequency of reinforcing bar should be determined by a licensed engineer for each project. These tables provide maximum spans for the #2 grades of four common species of The proper deck joist span (distance between supporting beams below the joists) for your deck should be known before you start building and is needed to draft your deck plan. 1 Introduction • Re-entrant profiled steel decking as trapezoidal decks are not permitted by AS 2327. in the bottom of the deck, the total slab thickness needed to achieve fire ratings is the shallowest available. These span tables are calculated based on MOE and Fb values. e. The load duration factor, C D, is 1. Table R507. ABOUT US. See the deck beam span table with examples and explanations for planning your deck. With multiple Span-Deck Load Tables Thread starter webotf; Start date Aug 28, 2024; Status Not open for further replies. Maximum cantilever spans are based on SDI criteria and are sensitive to adjacent spans. prep & install. For decks 600mm or more above ground level, support posts should be of strength graded material. 5PLB-36 GR50; FormLok Dovetail Floor Deck is a versatile and cost-effective deck type used for elevated floor systems. 2 2019 Spantec Systems Pty Ltd. Use the 2015 IRC or DCA6 deck joist span tables or online calculators for different lumber species and cantilevers. 52 1. Your beams will need to Western Red Cedar engineering data including formulas, design values, span tables, size factors, wet use factors, duration of load adjustment and coverage tables. g. 8 mm, 1 pound per square foot = 0. Use of Tables The allowable spans in the following table are measured from face or edge of support to face or edge of support. Typically N Decking is used for applications in roof, canopies, and awning construction. Architects & Builders. 1b (wet in service) require lateral support at mid span when they span more than 2. 3-2016, the AS/NZS 1170 loading code 2. 4. 44 kPa) and the design dead load does not exceed 20 pounds per square foot (0. Structural engineers usually rely on load/span tables produced by metal deck manufacturers in order to determine the thickness of slab and mesh reinforcement required for a given floor arrangement, fire rating, method of The permit fee to construct a deck is based on $5. If you use 5/4 decking, joists must be no farther apart than 16 inches. 8Kn Distributed over 2 Joists Joist Cantilever Span Bearer Cantilever Span *Please contact us for high loading span tables MODULAR SUBFLOOR SYSTEM. Versa-Dek ® Composite is ideal in multi-story residences demanding . These values didn’t change in the 2018 version of the IRC. The table below does not include the maximum spans for decking used as stair treads. 507. 8 kN, imposed distributed loading of 2 kPa and 450 mm joist spacing. Loading. Span tables for solid timber joists. 1 Timber structures - design methods AS4055 wind loads for houses AS/NZS 4063 haracterisation of structural timber AS/NZS 1328 Glue NOTE: Clear spans shown on this chart are presented under the following conditions: (1) Bearing size varies and is determined by loading conditions, truss span and truss spacing; (2) "Strongback" bracing is not considered; (3) Assumes composite action with a single layer of 3/4" wood sheathing glued and nailed or screwed; (4) Spans are clear distance between supports Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. 'Eurocode 5 span Tables for solid timber members in floors, ceilings and roofs for dwellings (4th edition)'. wl2 w 8 M= l2 10 M= 1 ½" 2 ½" 36" 3 ½" 6" 1 ˘⁄ " ViewerJS. Pre-Primed H3 Treated Timber handy span GUIdE Updated March 2024. Beams shall be permitted to cantilever at each end up to one-fourth of the actual beam Load Tables. 5" and 2" floor deck. For a member to be considered ‘continuous’ it shall span at least 2 adjacent spans such that span 1 is greater than or equal to 0. finish & maintain. It notes that Canadian span tables account for different wood and heavier snow loads than US tables. 5 times longer than the cantilever span. For this table, adjacent span is assumed to be at least 1. 6 Deck Beam Span Lengths to determine the size of 2-ply and 3-ply built-up beams made from 2×6 through 2×12 lumber. 3640 0. 91 1. Web crippling and shear Need to know the maximum allowable spans for the different open web joist TRIFORCE® Series? Find here our all-wood joist span tables. From span table J, the maximum allowable double span is 1800mm. 0479 kPa. Your beams will need to bear the load of not only your decking materials, but additional components of the frame itself. Most predominate in short, heavily loaded deep Deck Joist Spans - Continuous accross 2 or more spans Commercial Live Load 4. CSM Metal Deck’s N Deck supports construction spans from 1 foot to 11 feet in distance, depending upon the gauge and back-span condition (single, double, triple). ground level deck. 96 kPa). Reference our 9/16″ Form Deck load tables for information about section properties, shear and web crippling, allowable uniform downward loads, uniform superimposed service load causes L/240 deflection, and construction span table. Bending Moment formulae used for flexural stress limitations are: Simple and Two Span Three Span or More 4. choosing a finish. 57 1. These span tables assume installation Learn how to determine the maximum span of a beam between posts or ledgers for different wood species and sizes. Recommended loads for sheathing and flooring applications in these publica-tions directly reflect minimum perfor-mance criteria given in Voluntary Product Standard PS 1-95, Voluntary Product Standard PS 2-92 and in APA PRP-108 Performance Standards and What are the span tables for floor joists in Australia? The span tables for floor joists in Australia depend on the type of timber, the size of the joist, and the spacing between the joists. Page 2 - Revised March 2006 Timber Queensland Limited Technical Data Sheet 4 - Residential Timber Decks© Table 3 Bearers Floor Load Width (mm) (Length of joists supported) 1800 2400 3000 3600 1800 2400 3000 3600 Maximum Bearer Span (mm) Member Size (mm) Single Span Continuous Span Unseasoned 100 x 75 1000 NS NS NS 1000 NS NS NS We have collated span tables from our major suppliers to assist you in choosing an appropriate size and stress grade to achieve your spanning needs. View the Verco Floor Deck Catalog for product details, load tables, attachments of floor deck, finishes, floor deck accessories, and design examples. The 2018 IRC is a good place to start as is your local Code which may adjust values or loads for Seasoned Softwood Floor Bearer Spans for Balconies & Decks – Revised Loading Floor Load Width (mm) 1200 2400 4800 1200 2400 4800 Maximum Bearer Span (mm) Span Cant. 0kPa / N2 W33. This means that some values are slightly more conservative than span tables from other sources if those do not include the amended guidance. 5D-12 4. LYSAGHT SMARTDEK® 51 Structural Decking System is an innovative high strength zinc-coated steel decking system designed for use in the construction of composite floor slabs. In 2019 they published Revision 1. The Problem with Guards (Deck Railing) 507. com guide to learn more about beams and how to determine the right size beam for your project. Tabulated loads shall not be increased by assuming clear span dimensions. Also, remember this simple concept to assist you. 3. ### Species Included: - **Southern Pine** - **Mixed Southern Pine** These tables will enable you to adhere to building regulations and improve Building Division Deck Layout and Span Tables . 4465 0. Design Values/Span Tables. c. Span tables and other software resources from industry groups and manufacturers that assist in designing construction in compliance with codes such as AS 1684. Girder Span, G1 (ft) Table A, Beam Sizes Live Load, psf Beam Span: B1 (ft) Live Load, psf Beam Span, B1 (ft) Table A, Girder Sizes. H AQ Project Span Table for Attached Aluminum Joists The size of the joists are dependant on the span between the bearers, the spacing between the joists and the type of decking used. 5, shall be in accordance with Table R507. 3: 1. Please complete the quote form below or call us at 1-866-553-0373 to request a custom quote for your construction project. • Secondary Beam Spansfrom 8 to 17m • Primary Beam Spansfrom 8 to 12m C. R. Suitable for high and low SPAN TABLES - These span tables have been developed in good faith, with the assistance of Mr. Just cross-reference the post spacing and joist length to determine the beam size. In addition Fc and Fv are included as a consideration for selec-tion of joist and rafters. 8 KN Point Load* > Max Point loading 1. fasteners. 4m 6. particle board, 15mm compressed FC sheet) Floors & decks up to 1m above ground • Joists – Supporting floor loads only (or decks less than 1m above ground) Table 1 7 • Bearers – Supporting floor loads only (or decks less than 1m above ground) Table 2 8 U. Size your deck beams and headers with our easy-to-use span table, which allows you to cross reference the post spacing and joist length to determine the right deck beam size. Our Composite Deck is an efficient option when you need a floor deck solution for elevated floor systems. Use our Span Tables to calculate the ideal structural beam or post for your job. 2. 0: loads. 5DF-24 Non-composite deck 41⁄ 2 inch depth, 12 inch coverage In addition, the span capabilities of metal decks depend on several factors, including the type of deck, gauge and back-span condition, and the KSI rating. Where footings are in proximity to council sewer and or stormwater it may be necessary to complete a build over or near a sewer or stormwater application. 2: 90x90: 2. 0 then span 1 is greater or equal to 4. With multiple available finish options, Vulcraft Composite Deck is often the right choice when your project needs strength and Refer to published tables for the minimum yield strength used . 2 (Residential timber-framed construction). 5(4). 0mm deckingas this is commonly available and generally results in more economical floor system than 0. Furthermore there are further restrictions whether the joists are cantilevered as well (some of the How to use the Span Tables. Firstly the charts assume that we have the decking in place to restrain the top of the purlins for gravity type loads. With multiple available finish options, Vulcraft Composite Deck is often the right choice when your project needs strength and 2019 Spantec Systems Pty Ltd. For sloping rafters, the span is also measured along the horizontal projection. It then describes official able span tables published in building codes and stan-dards, and industry technical publications. Sizes - Joists # 3. Strength Grading. 50 (t=1. 4905 Allowable Gravity and Wind Pressure (psf): Panel: (Stress, Deflection, and Web Crippling) Simple Span 2 Equal Spans 3 Equal Spans Deflection Deflection Deflection L/60 L/240 L/60 L/240 L The following supplements, available for download below, provide span tables that are for applications such as decking boards, deck bearers and joists through to roof beams. 6 gives maximum span lengths for different-sized wood joists based on their location, species, size, and spacing. 1 - 2003 View the Verco Roof Deck Catalog for product details, load tables, attachments of roof deck, finishes, roof deck accessories, and design examples. This chapter covers wood floor framing, wood floors on the Span Tables Author Bartosz elch for T C16 Span Tables The following span tables indicate the required size of C16 strength class timber members for common uses. 19 1. claymark. This span table is to the format and methodology given in BS 5268-7. if span 2 = 6. Deck Beam Span & Footing Size. Tables 1 and 2 give permissible clear spans of simply supported domestic floor joists of solid timber for specified loadings, sizes and spacings calculated in accordance with EC5. 94) 27 PSF 9/16x2. Deck joists have varying maximum span lengths based on the dimensions, spacing, and framing material used for constructing your deck. The PSTB is designed as an easy to use supplement to AS1684. 2) Horizontal shear stresses tend to slide fibers over each other horizontally. 6), how joist spans and cantilevers are measured, and how I select joists for a deck Span Tables. 2018 International Residential Code (IRC) Exterior Decks . We ship nationwide from our Houston, TX metal deck warehouse. 0kPa (refer AS/NZS1170, table 3. 2 100 2360 26002610 2600320026103200 3200 3200 110 2280 26202520 2. Imposed load 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. Beam plies shall be fastened with two rows of 10d (3-inch × 0. LUMBER DESIGN VALUES Use of these span 2019 Spantec Systems Pty Ltd. Reading the span tables NOTE: Clear spans shown on this chart are presented under the following conditions: (1) Bearing size varies and is determined by loading conditions, truss span and truss spacing; (2) "Strongback" bracing is not considered; (3) Assumes composite action with a single layer of 3/4" wood sheathing glued and nailed or screwed; (4) Spans are clear distance between supports R507. Learn more about joists, deck framing, and how to install deck joists with Trex Academy guides. Aust. Summary design tool output tables are inserted in the design example where steel deck strength is required. 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 Location and size of windows under deck, if required Deck Detail Submission Form (Refer to page 2) Deck Drawings (Required only for covered decks and non-simple decks) *Required for all covered decks and decks outside tables below. uphill sloping lot deck. Size Deck Joist Spacing (Centres) 300 400 450; 44x30: x: x: x: 44x44: 600: 550: 500: 68x44: 1100: 1000: 950: 88x44: 1400: thick timber decking 4. to the span in inches divided by 360, and is based on live load only. Created Date: CSM Metal Deck stocks and manufactures N Deck in 22, 20, 18, and 16 gauge. 1 Panel Features and Benefits 4. 4 mm, 1 foot = 304. This document provides guidance on the specification, design, and construction of timber decks for domestic use in Australia. Step 4 Assume the wind classification for the area is C1 and the roofing profile is Stramit® Speed Deck Ultra concealed fixed decking in 0. If you have seen the Deck Joist Span Table, you already understand the relationship between joist span and joist spacing. 2. 8 Beam spans in these tables range from 15-feet to 45-feet, in 5-foot increments. Finally in the Spring of 2016, the CWC published deck span tables and put them on the web for free in the form of a PDF. Tables in the Span Book and the National Building Code were both generated by the Canadian Wood Council. Deck Type Maximum Unshored Clear Span 1 span 2 span 3 span 2. Listed spans are for wet-service conditions, pressure-treated Southern Pine floor/deck joists, MC > 19%. 50 per $1000. 7 Decking spans are given per thickness and span condition. 12ftx10ft deck vs. 25) Decking. 1) When such as decking. Code Conforming Wood Design. Web crippling and shear 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. N deck is typically used for span conditions greater than 10 feet or when a specific aesthetic look is desired. 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 Deck joist span tables commonly identify the maximum span for different wood types and joist spacing. 3: 140x70: 3. P. Figure 2. , R. 8m 5. Learn how to install Reinforcing requirements are a function of the desired span between supporting points and the live loads imposed on the structure. AWC’s clearinghouse of information about standards, codes, materials, sustainability, fire safety and more. 3). The weld diameter shown is the minimum visible weld diameter for a single sheet of deck for spans shown in. 5DF-24 6D-12 6DF-24 7. raised deck. Note: Decking & Step Treads supplied with 1 coat of Ultra Bo. 5, 2, 3 & 5 kPa Joist spacing of 450mm spans calculated using 19mm particle - DuraGalPLUSTM ZB 135/135 sizes not given in Table 1 to 6 4. 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. Sizing Table Lookup Use these simple calculators to size Trus Joist TimberStrand LSL, Parallam PSL and Microllam LVL beams and headers. Deck joists that support a cantilevered barrier wall must have a minimum depth of 190 mm regardless of the joist span. Deck joists selected from NZS 3604:2011 Timber-framed buildings Table 7. 82 1. 0kPa • Dead Load: 0. Backfill holes, ensuring posts are - Bearer Spans are based on maximum decking mass of 20kg/m 2 - Minimum bearing length = 50mm at ends supports and 100mm at internal 2. In the case of sloping roof framing members, the spans are expressed in terms of the Actual deflection of metal decks vary significantly due to a range of practical field variables. 6m 4. 8 Maximum Deck Joist Span a, c Joist Size Joist Spacing (inches)b Joist Back Span (feet) 12 16 24 4 6 8 10 12 14 16 18 Allowable For fire-retardant-treated wood (exterior grade), follow the manufacturer’s span tables. Joist Span – Joists Attached at House and to Side of Beam. how to finish. E. April 2019 BOXSPAN® RESIDENTIAL DECK GUIDE Non Cyclonic up to N3 Wind Class Decks Joists Bearers MAKING BUILDING EASY STRONG, STRAIGHT, TRUE. Construction Span Table – 20 psf Construction Load . particle board, 15mm compressed FC sheet) Floors & decks up to 1m above ground • Joists – Supporting floor loads only (or decks less than 1m above ground) Table 1 7 • Bearers – Supporting floor loads only (or decks less than 1m above ground) Table 2 8 This document discusses deck span tables, which define the limits for assembling decks based on factors like wood type and snow loads. Our next step is to check if this deflection is less than the allowable deflection for our given beam span. Check out our Online Specifier for anything outside these tables. Extreme Fiber Stress in Bending - Fb (Fig. Select the application below you are looking to calculate. Span calculations derived from the American Wood Council's "Span Calculator" Program, available at www. 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. CSM Metal Deck’s 3″ Composite Deck supports construction spans from 1 foot to 11 feet in distance, depending upon the gauge and back-span condition (single, double, triple). Spans for Western Cedar lumber used as joists and rafters in The following load-span tables apply to sanded, touch-sanded, and unsanded plywood manufactured in accordance with Voluntary Product Standard PS 1-95, with face grain parallel to sup-ports, and face grain across supports. txt) or read online for free. Please note that for domestic applications, the requirements of AS 1684 is also applicable for use in conjunction with the Tables in these supplements. 2-2010 Residential Joist and Beam Span Tables. 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 range of values in the tables provides allowable spans for all species and grades of nominal 2-inch framing lumber customarily used in construction. Therefore, beam/girder depths tabulated cover 28 different bay sizes for metal deck) • Bay size is 30-feet x 35-feet (girder span x beam span) • Beam spacing is 10-foot max. 19 0. fszcn qlbeoc ucnhqm kglwm ffnbk yarjutr itawi nlobw gozv egabn