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TECHNICAL BULLETIN <br /> SIMPSON <br /> Code-Compliant 42" Guardrail Post Connections Strong-Tie <br /> Detail HTT4 Attachment of Guardrail Post Outside Rim/Joist <br /> HTT4 to joist /'—\ <br /> layout / Ill 11 <br /> 4x4 post Decking 4x4 post Decking <br /> 1 (�P•) —AO (lyP)r(tyP) 2„Hu <br /> 11111 <br /> n HTT4 r 47 <br /> , • 1 <br /> Detail B \ 1 yi `_ \���.. : ... J <br /> HTT4 to joist�_ ——— -- j. 2" —• i. 2" } <br /> laout -- —I�w__________ 4x4 post /e'"diameter } Blocking] <br /> —%"-diametertyp Joist s <br /> ` \= ' AN <br /> machineea boltsd withor (nut• <br /> s machine bolts or Joist <br /> \ I_1 A., <br /> threaded rods nuts threaded rods with nuts <br /> and BP5/8 bearing plates and BP5/8 bearing plates <br /> 1 p.,r__,,,,iir, <br /> - Detail A Detail B <br /> Elevation View <br /> Alt: DTT2Z or DTT2SS with SDS1/4 x 11/2"and'"machine bolt or threaded <br /> rod with nuts and BP1/2 bearing plates for min.2x10 framing lumber <br /> Plan View <br /> DetailA HTT4 Attachment of Guardrail Post Inside Rim/Joist <br /> HTT4to joist <br /> Rim joist layout <br /> 4x4 post p <br /> t <br /> I, I' Decking asBand \ Deck joists )joist i + I7. "' '"/' (tvP.) <br /> H�4 1 __Blocking Ird I[• :, 2� w� +•. , <br /> _ � {.. <br /> in <br /> —Q 2" �j�" 2" <br /> Blockin <br /> Detail B hi� 5/a"diameter machine t —5/a diameter g <br /> Blocking bolts or threaded machine bolts or Joist <br /> HTT4 to joist rods with nuts Blocking threaded rods with nuts <br /> layout I and BP5/8 (joist behind) and BP5/8 bearing plates <br /> bearing plates <br /> �� `•���� <br /> .441111 <br /> Detail A Detail B <br /> '��� Elevation View <br /> IBlocking Alt:DTT2Z or DTT2SS with SDS1/4 x 11/2"and 1/2"machine bolt or threaded <br /> rod with nuts and BP1/2 bearing plates for min.2x10 framing lumber <br /> Plan View <br /> Post Inside Rim/Joist: <br /> • Detail A:Fasten blocking to joist with(26)10d common nails(0.148"x 3") <br /> • Detail B:Fasten blocking together with(13)10d common nails(0.148"x 3") <br /> Details Assume the Following: <br /> • Maximum 42"guardrail height and minimum nominal 4x4 guardrail post <br /> • HTT4 with#10 x 11/2"SD screws and minimum 2x8 HF or SPF framing lumber <br /> • HTT4 with 0.148"x 11/2"nails and minimum 2x8 DF or SP framing lumber <br /> • DTT2Z with 1/4"x 11/2"SDS screws and minimum 2x10 DF,HF,SP or SPF framing lumber <br /> • DTT2Z uses 1/2"-diameter machine bolts or threaded rods with nuts and BP1/2 bearing plates <br /> 2 n I /1 a 2017 Simpson Strong-Tie Company Inc. T-C-GRDRLPST17 <br />