706 91ST PL SE 2025-03-26 - Laserfiche WebLink

2021 Washington State Residential Code �U o0 Z Uj VTABLE R507.6 MAXIMUM DECK JOIST SPANS TABLE R507.4 DECK POST HEIGHT w W J ALLOWABLE JOIST SPAN D,c MAXIMUM CANTILEVER4t TR ft IBUTARYAREA(sq. )g•h Q (feet-Inches) (feet-inches) POST 20 40 60 80 100 120 140 160 LOAD' JOIST SPECIES" JOIST — Joist spacing Adjacent joist back span LOADS(psf}t' POST SPECIES" SIZE' (psf) SIZE (inches) (feet) MAXIMUM DECK POST HEIGHT, I _ (feet-inches) 12 16 24 4 I 6 6 10 12 14 16 18 I _I az4 7a 1u-1C 8-7 7-0 5-0 4-1 NP NP 2 x 6 7-11 7-1 5-9 1-0 1-6 NP NP NP NP NP NP 4 z 6 14 0 i3-10 11-1 9-5 8-2 7-3 6-4 5-a Douglas fir-larche, - Douglas fir',Hem-fire.SPFe l�tt�' 10-5 &5 7-0 1-0 2-1 NP NP NP NP 6 x 6 I 14-0 14-0 I 1" 14-0 14-0 13-3 10-9 6-11 I Hem-fire. - - 60 Live Load Spruce-pine-fire 2 x 10 13-3 11 95 1-0 1-6 2-0 2f 2-8 NP NP NP 50 Live Load, 8 x 8 14-0 14.0 14-0 14-0 14-0 14-0 14-0 14-0 or 2 x 12 15-5 13-4 10-11 1-0 15 2-0 25 3-0 3-3 NP NP _-50 Ground Snow Load 4 x 4 14-0 10-3 7-0 I NP NP NP NP NP E 70 Ground f 2 x 6 7-4 1 6-8 5-10 1-0 1-4 NP NP NP NP NP NP r r 4 x 6 14-0 13-6 10-6 8-4 5-10 NP NP NP O O Snow Load Redwood. Redwood.Western cedars rl Western cedars'. 2 it 8 8-10 7-4 1-0 1-6 1-11 NP NP NP NP NP Ponderosa pine'.Red pine' 6 x 6 14-0 14-0 14-0 14-0 11-11 NP NP NP 00 r-I Ponderosa pine' 2 x 10 12-4 1 11-0. 9-0 1-0 1-6 2-0 --2-6 2-0 NP NP NP - z O Lr) i n,n,l 8 x 8 14-0__ 14-0 I_. 14-0 I 14-0 I 14-0 14-0 14-0 to-0 W '" t'I 12-9 105 1-0 1-6 2-0 2-6 3-0 3-0 NP NP N TABLE R507.3.1 MINIMUM FOOTING SIZE FOR DECKS > Q O�j a TABLE R507.9.1.3(1)DECK LEDGER CONNECTION TO BAND JOIST ) LOAD-SEARING VALUE OF SOILS°•`•d(psf) a--• O ON-CENTER SPACING OF FASTENERS° LIVE OR e � N CD1.500e 2,000 i 3.0001 (inches) GROUND TRIBUTARY Lr) � � LOAD` JOIST SPAN' 1 1 f t SNOW AREA Side of a Diameter of Side of a Diameter of Side of a Diameter of LO O -[6 '12-inch diameter lag screw f2anch diameter bolt 12-inch diameter bolt t - last) (feet) LOAD (ft'l square a round Thickness square a round Thickness' square a round Thickness' O with with With footing footing Inches footing footing Inches footing footing inches r-I Y a- LLJ '12-inch maximum sheathingd,a '12-inch maximum sheathing` 1-inch maximum sheathing' (psf) 9 9 (inches) 9 9 (inches) 9 9 (inches) (inches) (Inches) (inches) (inches) (inches) (inches) 6 22 36 35 7 8 - 6 --7 8 6 7 S 5 / 16 31 26 20 12 14 6 - 11 13 6 9 10 6 Live Load or 10 13 25 21 40 1S 20 6 15 17 6 12 14 6 OJ O 71 Ground Snow Load 12 11 20 17 50 Live or 70 60 21 24 $ 19 21 6 15 17 6 V) OJ 14 9 17 15 Ground Snow 80 25 28 9 21 I 24 8 18 20 F ow � 16 S 15 13 Load Y 100 28 31 tt 24 27 �9 20 L. 22 7 w (/) En 18 7 13 11 120 - -30 34 12 26 30 10 21 24 8 For SI-t Inch=25 4 min,1 foot=304.8 mm,1 pound per square foot=0.0479 kPa 140 33 37 13 28 32 11 23 26 9 ¢ Gy O N a.Interpolation allowed.Extrapolation Is not allowed 160 35 40 15 30 34 12 25 28 9 (\ b.Ledgers shall be flashed in accordance with Section R703 4 to prevent water from contacting the house band joist W a Dead Load=70 psf.Snow load shall hot be assumed to act concurrently with live load d The tip of the lad screw shall fully extend beyond the inside face of the hand joist- For SI:1 inch Interpolation miner square foot=0.0ion ott,1 pound per square foot=0.0479 kPa. e.Sheathing shall be wood structura,panel or soiid sawn lumber a.Reser permitted,extrapolation not permitted Sheathing shall be permitted to be wood structural panel,gypsum board,fiberboard,lumber or foam sheathing.Up to'/,.-inch thickness of stacked washers shall be permitted b.Reservetl. to substitute for u to 1/_inch of allowable sheathing thickness where combined with wood structural c Footing dimensions shall CMUallow completebearingfooting s shof all Dolt_ � p g panel a lumber Sheathing tl.If the Support is a bock or CMU pier,the footing Shall have a minimum 2irtctt projection on all sales_ e.Area,in square feet of deck surface supported by post and footings. f.Minimum thickness shall only apply t0 plain concrete footingsTABLE R507.5 MAXIMUM DECK BEAM SPAN-60 PSF LIVE LOAD OR 70 PSF GROUND SNOW LOAD° w CG EFFECTIVE DECK JOIST SPAN LENGTH(feet)''''' R507.3 Footings. LZ~ V/ N _ w BEAM SPECIES' BEAM SIZE* 6 a 70 1 12 14 16 I 18 Decks shall be supported on concrete footings or other approved structural systems designed to accommodate all loads in accordance with a N MAXIMUM DECK BEAM SPAN LENGTH(feet•Inches) 4 f Section R301.Deck footings shall be sized to carry the imposed loads from the deck structure to the ground as shown in Figure R507.3. a 1-2 x 6 35 2-10 25 2-2 2-0 1-10 1-9 Exceptions: 1-2 x 8 4-7 3-0 3 2 2-10 2-7 25 2-0 1 Footings shall not be required for free-standing decks consisting of joists directly supported on grade over their entire length. 1-2 x to 58 4-9 4-1 3 8 3d 3 1 2-17 2. Footings shall not be required for free-standing decks that meet all of the following criteria: 1-2 x 12 5-8 53 I 5-0 3-8 3-4 I 3-10 3-7 2.1.The joists bear directly on precast concrete pier blocks at grade without support by beams or posts. 2-2 x 6 6-2 5-8 4-0 35 4-1 2 10 - 2 7 2.2.The area of the deck does not exceed 200 square feet(18.6 m2). Douglas fir-larch 9, 2.3.The walking surface is not more than 20 inches(508 mm)above grade at any point within 36 inches(914 mm)measured 2-2 x 8 6-11 6-0 53 4-7 4-1 3-8 3-5 Hem-fir9,ruceP horizontally from the edge. - S - ine-firg 2-2 x 10 85 7-4 6-6 5-10 5-2 4-9 4-5 P 2-2 x 42 9-10 Sb 7-7 6-11 6-4 5-9 5-4 ii,nnN NANUPACTOREDPOBTCONNIE— wAuawAeLE�91 0wAuawAeLE sons rve,c,umPOST 3-2 x 6 6b 5-7 5-0 4-7 4-2 3-9 3-5 _ 3-2 x 8 8-8 7-6 6-8 6-1 6-6 5-0_ 4-7 iY DATE 3-2 x 10 10-7 9-2 8-2 7-6 6-11 6-4 5-10 eRADe - 'i 3-2 x 12 12-4 10-8 9-7 8-9 8-1 7-7 7-1 10/23/2024 FILE NUMBER: L `owxETER, - 2041 PER TABLE PER TABLE THROUGH BOLTH N BOTH pRECTIONB NOTE NOT SCREYS MWUM tY EMBEDMENT .isRAVEL— SHEET NUMBER: POETS MUST BE CENTERED ON OR IN fOOTINO S.3 -.3 For SI:link°=25.4 min. J