Laserfiche WebLink
0 <br />cD <br />Ili <br />85 <br />0 <br />tL <br />to <br />ATTIC VENTILATION CALCULATIONS - B1 <br />ATTIC VENTILATION REQUIRED UPPER VENTILATION PROVIDED <br />1/150 Rule Ridge <br />1/300 Rule Off -Ridge <br />(No Upper Ventilators (Must Provide Upper Ventilators) Vent Amt Amt. <br />Req.) (Ft.) <br />-- - -- Total <br />Ventilation <br />ATTIC Provided <br />SPACE SQ. FT. Total SQ. SQ. FT. SO. IN. of by Upper <br />SQ. IN. of of ventilation to Ventilators <br />ventilation vented be provided <br />of vented IN. of SQ. IN. of SQ. IN. of ) <br />(See Elev <br />required soffit ventilation soffit by upper Ventilation Ventilation <br />needed required needed ventilators <br />Main <br />0.0 <br />0.0 <br />Floor <br />4 <br />4 <br />1 <br />2 <br />0 <br />1 <br />0.0 <br />0.0 <br />__ <br />0.0 <br />(Zone 1) <br />Upper <br />4.0 <br />2.0 <br />Floor <br />1080 <br />1037 <br />148 <br />518 <br />37 <br />259 <br />336.0 <br />(Zone 2) <br />60.0 <br />276.0 <br />Upper <br />20.0 <br />0.0 <br />Floor <br />1172 <br />1125 <br />161 <br />563 <br />40 <br />281 <br />_ .... <br />300.0 <br />300.0 <br />(Zone 3) <br />0.0 <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 />ZONE-1 <br />ATTIC SPACE <br />4 SQ. FT. <br />ROOF PLAN - ELEV-Bl. <br />SCALE: 14"=1'-0" <br />Attic Ventilation <br />Attic Ventilation to be in compliance with the Florida Building Code 7th Edition <br />(2020) Residential R806. <br />The Minimum net free ventilating area shall be 1/150 of the area of the vented <br />space. The ventilating area may be reduced to 1/300 provided that at least 40% <br />but no more than 50% of the required ventilation is provided in the upper portion of <br />the space to be ventilated. Upper ventilators shall be located no more than 3 feet <br />(measured vertically) below the ridge or highest point of the space, with the <br />balance of the required ventilation provided by eave or cornice vents. <br />"CALCULATIONS BASED ON THE FOLLOWING VALUES, SEE ROOF PLAN"" <br />(Values to be verified with Manufacturer Specifications) <br />• OFF -RIDGE VENTS 138 SQ. IN. OF NET FREE AREA / UNIT <br />• SOFFIT VENTS 7 SO, IN. OF NET FREE AREA / SO. FT. <br />• STUCCO SOFFIT VENTS - 126 SQ. IN. OF NET FREE AREA / SQ. FT. <br />"If not enough vented soffit is provided due to fire protection, the contractor shall use the <br />following approved vents: <br />• LOMANCO DECK -AIR (Shingle Roof) - 9 SQ. IN. OF NET FREE AREA / FT. <br />-Formula: (Sq. Ft. Soffit Needed) x 7 - (Sq. In. Needed) / 9 = Linear Ft. of Deck -Air Needed) <br />c+7 <br />O <br />CV <br />00 <br />O <br />clz <br />CL <br />C <br />v <br />d a <br />Q <br />� W <br />o <br />J b <br />Ll v <br />M <br />CN <br />O <br />CV <br />CS <br />``Ctilttt!!r/// <br />o <br />�� ''. <br />• <br />NO <br />, -4r <br />O : <br />n. , <br />To the best 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 />Resldential 7th Edition. Engineer's signature and seal is only for <br />the structural engineering portions of the drawing pages bearing <br />Engineer's signature and seal. <br />W <br />Q <br />E 8 <br />g 8 N m <br />J <br />Q <br />LL LL <br />I» <br />Vi <br />rnnr-r LL W <br />d a <br />a <br />yC140 „r <br />LL LL <br />Z <br />LL <br />O <br />_ <br />0 <br />W <br />N r_D o' W Q <br />cn °' ¢ J CS <br />W <br />LLW <br />J U� z <br />Z <br />C) V ❑❑❑ <br />W <br />Z <br />gNQ� <br />Z �p <br />z <br />U <br />Z. <br />J <br />N <br />(h <br />z <br />� <br />Ch <br />W C <br />.0 <br />Q <br />O- <br />i <br />w <br />V) <br />�N <br />C <br />= <br />CR <br />w � <br />< as <br />JL <br />N � <br />tt <br />W <br />ZZZ <br />W � <br />!G <br />E <br />ZZ <br />Q ki <br />fl O <br />� lJ <br />oa <br />F-� <br /><� <br />o0 <br />� � <br />� z <br />Z <br />I_ <br />�z <br />S <br />wz <br />L <br />Vi <br />C <br />C <br />�z <br />>Y <br />ZU <br />m0 <br />Ou <br />Z <br />Z <br />N O <br />> 2 <br />Z O <br />> <br />N W <br />vz� <br />�3 <br />,F <br />O <br />�O <br />x <br />Oy <br />OC <br />i <br />j , ^ <br />Y + <br />' ^ <br />L• / <br />w <br />O1 <br />CL <br />I <br />a <br />F— <br />L. <br />T <br />Y <br />Vy. <br />U <br />T <br />C <br />(n <br />N <br />m <br />m <br />V) <br />r <br />Q <br />O0)1 <br />W <br />- <br />v ch <br />O <br />00 <br />LO <br />00 <br />04 <br />Q <br />CNO N <br />M <br />r <br />N <br />E <br />T <br />M Ch <br />z <br />E O <br />H <br />IV <br />` <br />a <br />E <br />U <br />w <br />Q p <br />°i <br />JOB <br />NO: <br />23-02469 <br />SCALE : <br />AS NOTED <br />SHEET NO. <br />5 <br />