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Plans T 400U structural members that arF, exposed to the weather to be Pressure Treated or decay resistant per 317.1.3 -5 VALIDITY OF PERMIT 17 THE ISSUANCE OF A PERMIT IE-CEIVEL,,7 BASED ON CONSTRUCTION DOCUMENTS AND OTHER DATA SHALL NOT PREVENT JUL 232Z THE CODE OFFICIAL FROM CITY OF T�GA'Rb REQUIRING THE CORRECTION OF ERRORS.ORSC 105.4 f3UJUDING DNISIO� LIABILITY The City of TIgard and Its employees shall not be responsible for discrepancies which may appear herein. Dcck 4 y iA PO�T tt) 4c re ZZZ Z 4-Z 1 4 1 Z I 414444 y 711, c: Approve d plans --ha!l be on ;ob s*,t,,,,. i X., 0,�X^ OFFICE COPY crry OF TI REVIEWED FOR COD+ OMPLIANCE Approved: 0TC: rcrmit Address: Suite#: By: Date: i 1 f 4 , ff{ 3 j lz r I q t l � t a, a. r Pcty%A,Aq Figure 31. Stair Stringer Attachment Detail. - Figure 34. Stair Footing Detail. rim joist or—., outside joist `•. cut post at bottom tread (2)yz"diameter through-bolts ----- elevation when no stair with washers required only – guard is required � Y � if guard is required:otherwise --I --- i use(2)#8 wood screws z3-'/," " long or(2)16d threaded nails sloped joist hanger � �'� ,}� � � / '^tea t_���•-_ minimum vertical stair --�! ` Attach 2x4 bearing block using capacity of 625 lbs; stringer (8)#8 wood screws a3-1/,-long see JOIST HANGERS or(8_) 16d threaded nails for more requirements 44 .•• .. El post ATTACHMENT WITH HANGERS 6" cv minimum .- 10"xi0"squa�--- frost depth 12'dia.footing i ood Council Figure 28. Stair Stringer Requirements. Vy 3^ max.span=6'-0' CUT STRINGER � t IC �� I Scat, 16 PRESCRIPTIVE RESIDENTIAL . . • DECK CONSTRUCTION Placement of lag screws or bolts in deck ledgers the deck ledger(see Figure 19).Proper installation of lag The lag screws or bolts shall be placed as shown in screws or bolts shall be verified by the authority having Figure 19.The lag screws or bolts shall be staggered jurisdiction. from the top to the bottom along the horizontal run of Figure 19. Ledger Board Fastener Spacing and Clearances. See Table 5 stagger fasteners in 2 rows See F g ure 14 for rim E joist fastener spacing ® 0 5.5"min.for 2x8 Distance can be reduced to 4.5" 5"max 6.5'min.for 2x10 if lag screws are used or bolt © 0 0 T7.5minAor2x12 spacing is reduced to that of lag screws to attach 2x8 2"min. lag screw,through-bolt,or ledgers to 2x8 band joists(1/2" ledger anchor with washer t 3/4"min. stacked washers not permitted) Joist S an Rim Joist 6'-0" '6'-1" 8'-1" 10'4" 12'4" or and to to to to to to Band Joist less 8'-0�/ 10'-0" 12'-0" 14'-0" 16'4" 18--0- Connection Details On enter Spacing of Fasteners '/Z"diameter lag screw'with 1"LVL r24" 18" 14" 12" 10" 9" 8" 1-1/8"LVL 21" . 16" 14" 12" 10" 9" 15!32"maximum sheathing 1'/2"Lumbers 23" 18" 15" 13" 11" 10" '/Z"diameter bolt with 1" LVL " 14" 12" 10" 9" 8"1513z"maximum sheathing 1'/s"LVL 21" 16" 14" 12" 10" 9" 1-MV Lumber 36" 36" 34" 29" 24" 21" 19" 4/Z"diameter bolt with 15132" maximum sheathing and 1'/:" Lumber 36" 36" 29" 24" 21" 18" 16" stacked washers2•7 I -- - - r� Figure 14.General Attachment of Ledger Board to Band Joist or Rim Joist. remove siding at ledger exterior sheathing prior to installation existing stud wall threshold carefully flashed and caulked to prevent water intrusion existing 2x band joist ledger and joist flush on top or 1"minimum continuous flashing EWP rim joist extending past joist hanger 2"min. deck joist 1-51W min 5"max. 2"min 1/2"diameter lag 2x floor joist, screws or wood 1-joist, through-bolts with or MPCWT washers • - joist hanger existing 2x ledger board; must be greater wall than or equal to the depth of the deck joist and no greater than the depth of the house band or rim joist SHEATHING SIDING THIS DETAIL IS APPLICABLE WHERE FLOOR JOISTS ARE FLASHING FOR PARALLEL TO DECK JOISTS. WATER TIGHTNESS DECKING APPROVED JOIST HANGERS 2"Nil N. 2x LEDGER WITH FASTENERS IN ACCORDANCE WITH TABLE R507.2 HOLD-DOWN DEVICE MIN 750 LB. CAPACITY FLOOR JOISTS AT 4 LOCATIONS, EVENLY DISTRIBUTED ALONG DECK AND ONE WITHIN 24"OF EACH END OF THE LEDGER-HOLD-DOWN DEVICES SHALL FULLY ENGAGE DECK JOIST PER HOLD-DOWN MANUFACTURER. A FULLY THREADED Ali"DIAMETER LAG SCREW PREDRILLEDi"N MIN.XPENETRATION TO CENTER OF TOP PLATE,STUDS,OR HEADER. For SI: 1 inch =25.4 mm, 1 foot=304.8 mm. FIGURE R607.9.2(2) DECK ATTACHMENT FOR LATERAL LOADS Figure 10. Diagonal Bracing. Figure 8B. Alternate Approved pproved Post-to-Beam Post Cap Attachment. Solid sawn or multi-ply beam r beam; �-2x4,typical ! i (1)1/2"diameter-1"! o I lag screw with ` a !`i: 't•. washers,typical 1 6x6 min. 1 post ;'\ . L. DIAGONAL BRACING PARALLEL TO BEAM Note: Diagonal Bracing is prohibited on center posts. Figure 11. Rim Joist Connection Details. joists secure decking to top of rim joist with 10d threaded nails or#10 x 3" minimum wood screws @ 6"o.c. 0 attach rim joist to end of each joist with ® (3) 10d threaded nails or(3)#10 x 3" ® minimum wood screws rim joist Figure 12.Typical Footing Options. j'oG, 5 posts must be 1 centered on footing • r pre-manufactured post base with post anchor 12 about1 as 0 12" e min. a A4 L e a q v frost de th per Table 4 It Figure 32A. Handrail Mounting Examples. Figure 33. Miscellaneous Stair Requirements. r a o,E g Fasten handrails per manufacturer recommendations t J= w p a. 72"mina -M`p M S i. mina , in a .-._A__.. .to M C 1 handrail handrail shall z:blocking return at each 11-min--f 11. in t—ice end 2 r Il—W 34"38"to nosing of stairs.typical 36"min.stair width wall---. corrosion-resistant Lvj�—guard handrail hardware Post i i MOUNTED TO GUARD MOUNTED TO WALL Figure 32B. Handrail Grip Size. Figure 34. Stair Footing Detail. 14"-24' cut post at bottom tread (2)%:"diameter through-bolts elevation when no stair with washers required only t" guard is required if guard is required;otherwise 14 -2.. X use(2)#8 wood screws>3-'/:" 24'max. ` long or(2)16d threaded nails E x �� I 6" ^m I Attach 2x4 bearing block using min. stair c (8)#8 wood screws>3-'/2'long stringer or(8)16d threaded nails �m E E C) 4x4 i E NONCIRCULAR CIRCULAR RECESSED post t [R311.7.7.3 Type 11 [R311.7.7.3 Type 111 6" E Perimeter:4"-64" Perimeter:>64" _ minimum 10 x 0"square or frost depth 12"dia.footing American Wood Council PRESCRIPTIVE RESIDENTIAL • •D DECK CONSTRUCTION JOIST-TO-BEAM CONNECTION must have a minimum capacity of 100 lbs in both uplift Each joist shall be attached to the beam as shown in and lateral load directions.Joists may also attach to the Figure 6.Joists may bear on and overhang past the beam side of the beam with joist hangers per Option 3.Joists face the lesser of Lo or L/4 when Option 1 or Option 2 is shall not frame in from opposite sides of the same beam. used to attach the joist to the beam and blocking is See JOIST HANGERS for more information.Hangers, provided between joists at beam bearing.Mechanical clips,and mechanical fasteners shall be galvanized or fasteners or hurricane clips used, as shown in Option 2, stainless steel(see MINIMUM REQUIREMENTS). Figure 6. Joist-to-Beam Detail. 3-8d threaded OPTION 1 OPTION 2* OPTION 3* toe nails mechanical (2 on one side, fastener or top of beam or 1 on the other) hurricane clip joist ledger and joist hanger must be at same elevation beam *see manufacturer's recommendations for additional requirements JOIST HANGERS Figure 7. Typical Joist Hangers. Joist hangers, as shown in Figure 7, shall have a depth of joist hanger with inside flanges at least 60% of ledger or beam depth.Each hanger shall have a minimum vertical capacity in accordance with Table 3A. The joist hanger shall be selected from an ° ho approved manufacturer's product data based on the °dimensions of the joist or header it is carrying. Joist ° ° °hangers and fasteners shall be corrosion resistant(see ° °MINIMUM REQUIREMENTS). ° ° ° Use joist hangers with inside flanges when clearances to the edge of the beam or ledger board dictate.Do not use ° ° clip angles or brackets to support joists. ° ° Table 3A. Joist Hanger Vertical Capacity. Joist Size Minimum Capacity, lbs 2x6 400 2x8 500 2x10 600 2x12 700 American Wood Council RESIDENTIALPRESCRIPTIVE ► • ► DECK CONSTRUCTIONGUIDE Table 3A. Dimension Lumber Deck Beam Spans(Ls)' Supporting a Single Span of Joists with or without Overhangs. Joist Spans L Less Than or Equal to: Species Size4 6' 8' 10' 12' 14' 16' 18' 2-2x6 6'-8" 5'-8" 5'- 1" 4'-7" 4'-3" 4'-0" 3'-9" 2-2x8 8'-6" T-4" 6'-6" 5' - 11" 5'-6" 5'- 1" 4'-9" 2-2x10 10'-1" 8'-9" 7'-9" 7'- 1" 6'-6" 6'- 1" 5'- 9" Southern Pine 2-2x12 11'-11" 10'-4" 9'-2" 8'-4" 7'-9" 7'-3" 6'-9„ 3-2x6 7'-11" 7'-2" 6'-5" 5' - 10" 5'-5" 5'-0" 4'-9" 3-2x8 10'-7" 9'-3" 8'-3" 7'-6" 6- 11" 6'-5" 6'- 1" 3-2x10 12'-9" 11'-0" 9'-9" 8'-9" 8'-3" T-8" 7'-3" 3-2x12 15'-0" 13'-0" 11'-T' 10'-6" 9'-9" 9'- 1" 8'-7" 3x6 or 2-2x6 5'-2" 41-591 3'- 1 Tf T-7" 3'-3" 2' - 10" 21-6" 3x8 or 2-2x8 6'-7" 5'-8" 5'- 1" 4'-7" 4'-3" 3'- 10" 3'-5" Douglas Fir- 3x10 or2-2x10 8'-1" 7'-0" 6'-3" 5'-8" 5'-3" 4'- 10" 4'-5" Larch 2,Hem- 3x12 or2-2x12 9'-5" 8'-2" T-3" 6'-T' 6'- 1" 5'-8" 5'-4" Fire, Spruce- " #, „ Pine-Firz, 4x6 6 -2f' 5 -3 41-8" 4'-3" T- 11" 3 -8 3'-5 Redwood, 4 8'-2" T-0' 6'-3" 5'-8" 5'-3" 4'- 11" 4'-7" v Western 4x10 91-810 8'-4" T-51' 6'-9" 6-311 5' - 10" 51-5" Cedars, x12 11'-2" 9'-8 Ponderosa " 8'-7" T- 10" T-3" 6'-9" 6'-4" Pine3, Red -2x6 7'-1" 6'-5" 5'-9" 5--Y 4'-10" 4'-6" 4'-3" Pine3 3-2x8 9'-5" 8'-3" 7'-4" 6'-8" 6'-2" 5'-9" 5'-5" 3-2x10 11'-9" 10'-2" 9'- 1" 8'-3" T-7" 7'- 1" 6'-8" 3-2x12 13'-8" 11'- 10" 10'-6" 9'-7" 8'- 10" 8'-3" 7'- 10" 1.Assumes 40 psf live load,10 psf dead load,U360 simple span beam deflection limit,cantilever length/180 deflection limit,No.2 grade, and wet service conditions. 2.Incising assumed for Douglas Fir-Larch,Hem-Fir,and Spruce-Pine-Fir. 3.Design values based on northern species with no incising assumed. 4.Beam depth must be equal to or greater than joist depth if joist hangers are used(see Figure 6,Option 3). .rte 6 X6 Pest- S pc'ced @- C ' Gr k (f P T Re-ct'YK S w (,7 9<tt$.A Ha&tc)ej cx i r,&d y "h Place ) N� 00it- w �,� �r�.<<<1 C 2 I '' 4-G kX 12 '' �-.COA z' it 1a ie � American Wood Council 12 PRESCRIPTIVE RESIDENTIAL • • r DECK CONSTRUCTIONGUIDE Table 4. Post Height for 6x65 and Footing Sizes for all Posts. Post Heights' Footing Sizes2 j " _ 'N J L 0 C9 IM IM cc �Lp W IL G n,m m 0 +m CL t0 O + C to to V 7S qr 0 yl m O to LL E a w 'Z m a ° -a _� fn L IM m = 6 C 0 o a O = li m o° C U. 5510' 14' 14' 14' 14' 14' 18" 16"x16" 7" 6' 514' 14' 14' 14' 14' 14' 21" 18"x18" 8" SUL 14' 14' 12' 14' 11' 24" 21"x21" 10" 5_10' 14' 14' 14' 14' 14' 20" 18"x18" 8" 14' 14' 1 14' 14' 11' 24" 21"x21" 10" :5181 14' 13' 11' 1 12' 8' 1 27" 24"x24" 11" :510' 14' 14' 14' 14' 12' 23" 20"x20" 9" 10' :514' 14' 13' 11' 13' 8' 27" 24"x24" 11" 518' 12' 11' 8' 11' 2' 31" 27"x27" 13" 510' 14' 14' 12' 14' 10' 25" 221lx22" 10" 12' :514' 13' 12' 9' 1 11' 5' 30" 26"x26" 13" 5181 11' 9' 6' 9' 2' 34" 30"x30" 15" :_10' 14' 13' 11' 13' 8' 27" 241lx24" 11" 14' _:14' 11' 10' 7' 10' 2' 32" 29"x29" 14" :518' 9' 8' 2' 8' NP 37" 33"x33" 16" 510' 13' 12' 10' 1 12' 6' 29" 26"x26" 12" 16' :514' 1 10' 9' 5' 9' 2' 35" 31"x31" 15" 518' 7' 5' 2' 7' NP 40" 35"x35" 18" :510' 12' 11' 8' 11' 2' 31" 27"x27" 13" 18' :514' 9' 8' 2' 8' NP 37" 33"x33" 16" 518' 5' 2' 2' 6' NP 42" 37"x37" 1 19" 1.Assumes 40 psf live load,10 psf dead load,LB14 and L,,/4 overhangs,No 2.grade and wet service conditions. 2.Assumes 1,500 psf soil bearing capacity and 150 pcf concrete.Value may be multiplied by 0.9 for corner posts. 3.Incising assumed for Douglas Fir-Larch,Hem-Fir,and Spruce-Pine-Fir. 4.Assumes 2,500 psi compressive strength of concrete.Coordinate footing thickness with post base and anchor requirements. 5.8x8 nominal posts may be substituted anywhere in Table 4 to a maximum height of 14'. American Wood Council CSE 1' Ci i6AHU ,�pprcved- b=Planning —MapTitle ate* ;f '" o City of Tigard, Oregon RECEIVED Unimproved Right of Way F, uYt Y OF'I I G IR L, W OINCI DIVI'SIO;\ 1122V SLJ Ckulidleer 'D(- t'ro\ F PkcAck-,c 9- )-c"q ) est 7-0City o1 1 i�ltud1 13125 SVV Hull Blvd Ilgard, OR 91,22:1 Map cFeItL,,l, (5 0 3) 639-, I-/I wwwAigard-or.gov