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6/20/23,2:57 PM Chapter 5:Floors,WA Residential Code 2018 I UpCodes <br /> R507.9.2 Deck Lateral Load Connections <br /> Lateral loads shall be transferred to the ground or to a structure capable of transmitting them to the ground.Where the lateral load connection is provided in <br /> accordance with Figure R507.9.2(1),hold-down tension devices shall be installed in not less than two locations per deck,within 24 inches of each end of the <br /> deck.Each device shall have an allowable stress design capacity of not less than 1500 pounds(6672 N).Where the lateral load connections are provided in <br /> accordance with Figure R507.9.2(2),the hold-down tension devices shall be installed in not less than four locations per deck,and each device shall have an <br /> allowable stress design capacity of not less than 750 pounds(3336 N). <br /> Exception:Decks not more than 30 inches above grade at any point may be unattached. <br /> TENsION oEvtcEOR SIMILAR FLOOR SHEATHING NAILING AT <br /> MAXMIUM ON CENTER TO <br /> JOIST WITH HOLPOOWN <br /> rr-F rrrr /isrTr rr� >t�—' <br /> �M►++++ 'to' <br /> 111 <br /> .ir <br /> FLOOR JOIST --DECK JOIST <br /> For SI:1 inch=25.4 mm. <br /> FIGURE R507.9.2(1) <br /> DECK ATTACHMENT FOR LATERAL LOADS <br /> SHEATHING <br /> NOTE: SIDING <br /> THIS DETAIL IS APPLICABLE <br /> WHERE FLOOR JOISTS AREIII I FLASHING FOR <br /> PARALLEL TO DECK JOISTS. WATER TIGHTNESS <br /> DECKING <br /> 11 - ..r <br /> al ! 7 APPROVED JOIST HANGERS <br /> 2"MIN. 2sc LEDGER WITH FASTENERS <br /> II I IN ACCORDANCE WITH TABLE R507.9.1.3(1) <br /> 'own HOLD-DOWN DEVICE MIN 750 LB.CAPACITY <br /> FLOOR JOISTS ~T� AT 4 LOCATIONS,EVENLY DISTRIBUTED <br /> ALONG DECK AND ONE WITHIN 24"OF EACH <br /> END OF THE LEDGER.HOLD-DOWN DEVICES <br /> SHALL FULLY ENGAGE DECK JOIST PER <br /> HOLD-DOWN MANUFACTURER. <br /> A FULLY THREADED 3/1"DIAMETER LAG <br /> SCREW PREDRILLED WI MIN.3"PENETRATION <br /> TO CENTER OF TOP PLATE,STUDS,OR HEADER. <br /> For SI:1 inch=25.4 mm,1 foot=304.8 mm. <br /> FIGURE R507.9.2(2) <br /> DECK ATTACHMENT FOR LATERAL LOADS <br /> https://up.codes/viewer-export/washington/wa-residential-code-2018/chapter/5/floors#R507.9.2 1/2 <br />