1011 EDWARDS AVE 2022-10-06 - Laserfiche WebLink

ON-CENTER SPACING OF FASTENERSb (lathes) LOADC JOIST SPANa (psf) (feet) 1/2-inch diameter lag screw 1/2-inch diameter bolt 1/2-inch diameter bolt with with with 1/2-inch maximum sheathingd,a 1/2-inch maximum sheathings 1-inch maximum sheathingf 6 22 36 35 8 16 31 26 10 13 25 21 60 Live Load or 12 11 20 17 70 Ground Snow Load 14 9 17 15 18 8 15 13 18 7 13 11 For SI:1 inch=25.4 mm,1 foot=304.8 mm,1 pound per square foot=0.0479 kPa. a.Interpolation allowed.Extrapolation is not allowed. b.Ledgers shall be flashed in accordance with Section R703.4 to prevent water from contacting the house band joist. c Dead Load=10 psf.Snow load shall not be assumed to act concurrently with live load. d.The tip of the lag screw shall fully extend beyond the inside face of the band joist. e.Sheathing shall be wood structural panel or solid sawn lumber. f.Sheathing shall be permitted to be wood structural panel,gypsum board,fiberboard,lumber or foam sheathing.Up to 1/2-inch thickness of stacked washers shall be permitted to substitute for up to 1/2 inch of allowable sheathing thickness where combined with wood structural panel or lumber sheathing. TABLE R507.9.1.3(2) PLACEMENT OF LAG SCREWS AND BOLTS IN DECK LEDGERS AND BAND JOISTS MINIMUM END AND EDGE DISTANCES AND SPACING BETWEEN ROWS TOP EDGE BOTTOM EDGE ENDS ROW SPACING Ledgers 2 inchesd 3/4 inch 2 inches!' 15i inches!' Band Joist° 3/4 inch 2 inchese 2 inches" 15/8 inches" For SI:1 inch=25.4 mm. a Lag screws or bolts shall be staggered from the top to the bottom along the horizontal run of the deck ledger in accordance with Figure R507.9.1.3(1). b.Maximum 5 inches. c For engineered rim joists,the manufacturer's recommendations shall govern, d.The minimum distance from bottom row of lag screws or bolts to the top edge of the ledger shalt De in accordance with Figure R507.9.1.3(1). e.The 2 inches may be reduced to 3/4 inch when the band joist is directly supported by a mudsill,a header or by double top wall plates.