Laserfiche WebLink
— � � � mwlN�l. �I�WII1116d�!6'�-•��I��'I�IIWIYw�y,lMJY1WJl{Y=.LLdI#FN�..I.LL.1...JY1�1111M1IS11M�M'm11�liYi4WlIW�� �wli�YrIP11��iIl0Y1.IM11.lIYYlay�WI�R�1��W1� <br />ATTIC VENTILATION CALCULATIONS - 131 JRB) <br />ATTIC VENTILATION REQUIRED <br />UPPER VENTILATION PROVIDED <br />Ill 50 Rule <br />1l300 Rule <br />Ridge <br />Off -Ridge <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. <br />SQ. FT. <br />SQ. IN. of <br />by Upper <br />SQ. IN. of <br />of vented <br />IN. of <br />of <br />ventilation to <br />SQ. IN. of <br />SQINof <br />Ventilators <br />ventilation <br />ventilation <br />vented <br />be provided <br />Ventilation <br />. . <br />Ventilation <br />(See Elev) <br />required needed <br />needed <br />required <br />soffit <br />by upper <br />needed <br />ventilators <br />Main <br />22 <br />2 <br />Floor <br />1999 <br />1919 <br />274 <br />960 <br />69 <br />480 <br />606.0 <br />330.0 <br />276.0 <br />(Zone 1) <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 - ELEV-B1 <br />SCALE: %4"=V-0" <br />I 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 11300 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 / SQ. 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 />I <br />N <br />O <br />fV <br />N <br />N <br />Mo <br />o��'gaR�e���jyRa�o�Op�� <br />y ram; NO pE7875d •,°� o <br />M <br />° <br />op <br />°•may �~ <br />4 %0INN � % <br />i��fdili631����� <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 />Residential 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 />a <br />ti <br />v EE ti <br />M V N <br />(0 <br />N J <br />^ J u- <br />0 <br />_ 00 N Yk LL W <br />aej <br />cN-� V LL : °- Y <br />JLLLL o-Lu� <br />ez <br />+ <br />_ -o Y, 06 Ysp�/ <br />C O <br />W Q <br />W <br />•m N co C O J <br />W��°'°' <br />Z <br />LL <br />co a <br />co Z m W O <br />Z <br />O C c¢i <br />W <br />z N O <br />O <br />� N <br />Z � <br />J <br />N <br />N <br />M <br />z � <br />cu0� <br />L <br />C/7 <br />w a. <br />�L <br />O, <br />U1 <br />. , o <br />L" <br />ves <br />U <br />W <br />� — E <br />t0 <br />zl\ <br />IIIIIrl��iiJJ�\, <br />_ = N <br />U o N <br />C w <br />I_• <br />N m <br />Oco <br />w <br />M¢ <br />o <br />Z <br />J <br />U_ <br />Q E <br />OWX <br />zo <br />oo <br />� <br />Yo <br />¢ <br />on <br />F-- r6 <br />CL <br />x <br />oa <br />0 <br />o< <br />0z <br />o <br />CV <br />L <br />¢z <br />W o <br />¢ <br />�z <br />W W <br />d <br />ra <br />Cf.)C <br />C <br />z <br />i� <br />. <br />m O <br />o1 <br />Z , <br />Q! C <br />n J <br />Wm <br />F� <br />Q W <br />�z <br />W <br />Z <br />50 <br />CL 5 <br />W <br />az <br />°LL <br />~3 <br />xF <br />o <br />co <br />w� <br />> <br />a° <br />za <br />�� <br />C O <br />o <br />T <br />y <br />N <br />> d' <br />(6 <br />t0 <br />W <br />0 <br />� <br />nL, <br />W <br />�p <br />N <br />C <br />_ <br />0 <br />Np <br />VV <br />T <br />LO <br />co <br />2 Q <br />r <br />U <br />N N <br />LO <br />r <br />2 O <br />M <br />r <br />N <br />M <br />o <br />Z <br />z <br />E O <br />�; <br />Ca <br />2E <br />d <br />o <br />U <br />-a m <br />Q ❑ <br />m <br />J <br />JOB <br />NO: <br />21-4271 <br />SCALE : <br />AS NOTED <br />SHEET NO. <br />5 <br />