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ZONE-2 <br />ATTIC SPACE <br />60 SQ. FT. <br />r <br />r <br />MAY 17 2g23 <br />rf'Vz� <br />VRA <br />Virtual Review Assist. Inc. <br />Plans Review completed and approved <br />for compliance with the 2020 FBC 7th Edition <br />by Debra Anne Klahr PX2300 <br />ATTIC VENTILATION CALCULATIONS <br />- A <br />UPPER VENTILATION PROVIDED <br />ATTIC VENTILATION <br />REQUIRED <br />1/150 Rule <br />Ridge <br />Off -Ridge <br />1/300 Rule <br />(No Upper Ventilators <br />(Must Provide Upper Ventilators) <br />Vent Amt <br />Amt. <br />Req.) <br />(Ft.) <br />Total <br />Ventilation <br />ATTIC <br />Provided <br />SPACE <br />SQ. FT. <br />Total SQ. SQ. FT. SQ. IN. of <br />by Upper <br />SQ. IN. of <br />of vented <br />IN. of of ventilation to <br />SQ. IN. of <br />SQ. IN. of <br />Ventilators <br />ventilation <br />soffit <br />vented be provided <br />ventilation I <br />Ventilation <br />Ventilation <br />(See Elev) <br />required <br />needed <br />required soffit by upper <br />I <br />needed ventilators <br />Main <br />0.0 <br />0.0 <br />Floor 97 93 13 47 3 23 <br />— 0.0 <br />(Zone 1) <br />0.0 <br />0.0 <br />Main <br />0.0 <br />0.0 <br />Floor 60 58 8 29 2 14 <br />0.0 <br />(Zone 2) <br />0.0 <br />0.0 <br />Upper <br />9.0 <br />1.0 <br />Floor 1071 1028 147 514 37 257 <br />273.0 <br />(Zone <br />�)_L --------- — L — -------- <br />135.0 <br />13—8.0 <br />**NOTE*' <br />GENERAL CONTRACTOR MUST ENSURE THAT PROPER VENTILATION IS PROVIDED AT EAVES/SOFFITS AS <br />REQUIRED BY FLORIDA BUILDING CODE 7TH EDITION (2020) RESIDENTIAL. <br />ROOF PLAN -A <br />SCALE: Y4"=1'-O" <br />A , <br />V <br />)L <br />C" <br />'o <br />To the best <br />of the Engineer's knowledge, information and belief, <br />the structural plans and specifications contained within these <br />drawings comply with the 2020 Florida Building Code - <br />Resident f <br />7th Edition. Engineers signature and seal Is only for <br />the structural engineering portions of the drawing pages bearing <br />Engineers signature and seal. <br />C-4 0) U) <br />ID <br />6 <br />U) 04 C) <br />iA '! 9' -'. U, L <br />M LL LL <br />_j CL <br />—6 .;; az <br />r_ <br />2 <br />0 2 M 0 <br />Ix <br />W U) <br />Z Go 0 <br />Lr) N L z <br />04 -CC <br />z 3 <br />W 0 E3 <br />co <br />;z <br />C' <br />W <br />4- <br />LU <br />C) <br />0 Li-i <br />Ul <br />U <br />all L=,u <br />U <br />E <br />W g <br />0 <br />0 <br />90 <br />W <br />80 <br />0 <br />ZE <br />M <br />.g <br />z <br />W <br />t <br />M N <br />yz <br />'0 <br />Z <br />M <br />W <br />z <br />0 <br />M <br />v <br />`a5 <br />00 <br />U-) <br />it <br />(0 <br />0 <br />CL <br />LO <br />0 <br />cfl CY) <br />C'4 <br />0 <br />0-) <br />O 0 <br />LO <br />CY) CY) <br />< 04 <br />E <br />z <br />W <br />z <br />E <br />a <br />cc <br />0- <br />1 E <br />0 <br />0 <br />_j <br />JOB <br />NO: 23-00505 <br />SCALE AS NOTED <br />SHEET NO. <br />4 <br />