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Aquisanda Deck C R Rock, PE <br />Deck Beam Summary <br />Beam sizing is done using StruCalc with results in Attachment (2). Summary of beam and footing sizes is <br />provided below. <br />Deck joists - 2x6 PT #2 HF joists 16" oc. <br />Deck beam - 48 #2 PT HE 8'-0" max span between posts <br />Deck Posts - 44 #2 PT HF <br />Deck Post base - Minimum 12"x12"xl2" deep. No reinforcement required. <br />Deck Loading <br />W LL '= 60 lb Design Live Load based on Washington Amendments to 2018 IRC <br />ft2 <br />w DL '=10 lb Design Dead Load <br />ft <br />w deck '=w LL+ w DL `n' deck — 70°lb Deck design total load <br />ft <br />F soil :=1500 lb Allowable soil loading based on default allowable without soil test <br />ft2 <br />Deck joists and beams are sized using StruCalc. See Attachment 2 program output. <br />Ledger Attachment <br />The ledger board shall be screwed to the existing floor rim board using minimum 0.227" Dia x 3-5/8" LedgerLok <br />screws. Per FastenMaster ESR-1076 (Ref (e)) allowable single shear load of screws in 1 1 /2" ledger <br />v s :=233 •lb per. screw in Hem Fir. <br />Check for maximum span with screws 8" oc and 6" oc. <br />Spacing : = 6 in <br />Spacing2 := 8 in <br />2 •v s <br />Span max := w deck'Spacingl Span max =13.3 ft Maximum span for 6" oc screw spacing <br />2 •v s <br />Span2 max max <br />�' deck'Spacing2 p S ant = 10 ft Maximum joist span for 8" oc screw spacing <br />Screws 8" oc are adequate for all joists. Attach ledger with LedgerLok screws in two rows staggered 8" oc. <br />Page 2 of 3 <br />