1011 EDWARDS AVE 2022-10-06 - Laserfiche WebLink

ALLOWABLE JOIST SPAN° MAXIMUM CANTILEVERd (feet-inches) (feet-inches)ADJACENT JOIST SPANS LOADa b JOIST JOIST SPECIES SIZE JOIST SPACING JOIST BACK SPANS (Psf1 (inches) (feet) 12 16 24 4 6 8 10 12, 14 16 18 2x6 7-11 7-1 5-9 1-0 1-6 NP NP NP NP NP NP Douglas fir-larche, 2x8 10-5 9-5 7-8 1-0 1-6 2-0 2-1 NP NP NP NP Hem-fire, Spruce-pine-fire 2.10 13-3 11-6 9-5 1-0 1-6 2-0 2-6 2-8 NP NP NP 60 Uve Load 2x12 15-5 13-4 10-11 1-0 1-6 2-0 2-6 3-0 3-3 NP NP Or 70 Ground Snow Load 2x6 7-4 6-8 5-10 1-0 1-4 NP NP NP NP NP NP Redwood, 2x8 9-8 8-10 7-4 1-0 1-6 1-11 NP NP NP NP NP Western Cedars' Ponderosa Pine', 2x10 12-4 11-0 9-0 1-0 1-6 2-0 2-6 2-6 NP NP NP Red Pine' 2x12 14-9 12-9 10-5 1-0 1-6 2-0 2-6 3-0 3-0 NP NP For SI:1 inch=25.4 mm,1 foot=304.8 mm,1 pound per square foot=0.0479 kPa,1 pound=0.454 kg. NP=Not Permitted. a.Dead load=10 psf dead load.Snow load not assumed to be concurrent with live load. b.No.2 grade,wet service factor included. c.UO=360 at main span. =180 at cantilever with 220-pound point load applied to end. e.Includes incising factor. f. Incising factor not included. g.Interpolation allowed.Extrapolation is not allowed. R507.6.1 Deck Joist Bearing The ends of joists shall have not less than 11/2 inches(38 mm)of bearing on wood or metal and not less than 3 inches(76 mm) of bearing on concrete or masonry over its entire width.Joists bearing on top of a multiple-ply beam or ledger shall be fastened in accordance with Table R602.3(1).Joists bearing on top of a single-ply beam or ledger shall be attached by a mechanical connector.Joist framing into the side of a beam or ledger board shall be supported by approved joist hangers. R607.6.2 Deck Joist Lateral Restraint Joist ends and bearing locations shall be provided with lateral resistance to prevent rotation.Where lateral restraint is provided by joist hangers or blocking between joists,their depth shall equal not less than 60 percent of the joist depth.Where lateral restraint is provided by rim joists,they shall be secured to the end of each joist with not fewer than three 1Od(3-inch by 0.128- inch)(76 mm by 3 3 mm)nails or three No.10x 3-inch(76 mm)long wood screws. R507.7 Decking Maximum allowable spacing for joists supporting decking shall be in accordance with Table R507.7.Wood decking shall be attached to each supporting member with not less than two 8d threaded nails or two No.8 wood screws.Other approved decking or fastener systems shall be installed in accordance with the manufacturers installation requirements. TABLE R507.7 5 \ 1°\