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Attic Ventilation <br />Attic Ventilation to be in compliance with the Florida Building Code 5th Edition <br />(2014) Residential R806. <br />VENTED SOFFIT 48 SQ. FT. <br />The Minimum net free ventilating area shall be 11150 of the area of the vented <br />sae. The ventilating area a be reduced to 1/300 provided that at least 40% <br />pc g my <br />but no more than 50% of the required ventilation is provided in the upper portion o <br />• .. <br />the space to be ventilated.Uppervenfilators shall be located no more than 3 feet <br />..................................................................................... . .. <br />measured vertical) below the ridge or highest point of the space, with the <br />w <br />( Y) 9 9 P P <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 />' <br />• RIDGE VENTS 15 SQ. IN. OF NET FREE AREA / LINEAR FT. <br />E *11 N <br />r.ATTIC <br />I C S PAC E 280 S Q FT. <br />t;: <br />a <br />• OFF -RIDGE VENTS 138 SQ. IN. OF NET FREE AREA / UNIT <br />•SOFFIT VENTS 7 SQ. IN. OF NET FREE AREA / SQ. FT. <br />. <br />•�• • • <br />_ <br />�— <br />*If not enough vented soffit is provided due to fire protection, the contractor shall use the <br />t <br />LL <br />following approved vents: <br />` ��.. <br />• LOMANCO DECK -AIR (Shingle Roof) - 9 SQ. IN. OF NET FREE AREA / FT. <br />t <br />d <br />**Formula: (Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed) / 9 = Linear Ft of Deck -Air Needed) <br />`�••• <br />• O'HAGIN (Tile Roof) - 86.25 SQ, IN. OF NET FREE AREA / VENT <br />... • • ... .. • <br />':::.::::::::::::::: :'::::::.:....: <br />OO <br />*'Formula: (Sq. Ft. Soffit Needed) x7 = (Sq. In. Needed) 186.25 = Amount of O'Hagin Vents Needed <br />..:::: <br />............................... ftt...................................... ::. <br />�•'• <br />LL. <br />71 <br />VENTED SOFFIT 44 SQ. FT. <br />M <br />7. <br />W <br />i <br />io. <br />ilol <br />�.: <br />:�i <br />ZONE-4 <br />. <br />ATTIC SPACE <br />.o� <br />2136 SQ. FT. <br />i <br />�:� <br />�• <br />LL. <br />d <br />'�� <br />� <br />o <br />7 <br />� <br />:�i <br />o <br />LU <br />7: <br />LL. <br />`.7.' <br />UJI <br />d <br />:i <br />:LjL <br />�.: <br />LU <br />W <br />. <br />ZONE-2 <br />.......................................................................... <br />. <br />ATTIC SPACE <br />•� <br />32 SQ. FT. <br />1.7 <br />TCnCCI*T <br />'•'i <br />t'� •L VENTE <br />t�'' <br />: <br />10 SQ. FT. <br />i <br />t.: <br />:�i <br />i <br />t:: <br />t:: <br />:.i <br />t.: <br />:�i <br />t�: <br />t:: o <br />i <br />...W <br />UJI > <br />:.i7. <br />LL.LjL• <br />'' <br />t'• <br />' <br />0 <br />• <br />/STt PMR own J7Tt PF" Pill JTl1 IlTt 11Tt ISTI Jilt !T!1 111!1 jwn !!TI "in lSTI J4T{ ITI� <br />IST! <br />Cn <br />'f <br />• '_ <br />w <br />f <br />ZONE-1 <br />�'• F- <br />�— <br />�:; <br />ATTIC SPACE <br />7:.� <br />213 SQ. FT. <br />I--: <br />••1 <br />I•• <br />w <br />W <br />ROOF PLAN A <br />SCALE: %4"=1'-0" <br />03 <br />ATTIC VENTILATION CALCULATIONS - A <br />ATTIC VENTILATION REQUIRED UPPER VENTILATION PROVIDED <br />1 /150 Rule 1 /300 Rule Ridge Vent Amt <br />(No Upper Ventilators (Must Provide Upper Ventilators) (Ft.) Off -Ridge Amt. <br />Req.) <br />Total Ventilation <br />P <br />rill 77777-77771 <br />o <br />vided by <br />ATTIC <br />SPACE SQ. FT. Total SQ. SQ. FT. SQ. IN. of Upper <br />SQ. IN. of of ventilation to Ventilators <br />of vented IN. of SQ. IN. of SQ. IN. of (See Elev) <br />ventilation vented be provided <br />required soffit ventilation soffit by upper Ventilation Ventilation <br />needed required needed ventilators <br />Main 0.0 0.0 <br />Floor 213 204 29 102 7 51 0.0 <br />(Zone 1) 0.0 0.0 <br />Main Floor 0.0 0.0 <br />(Zone 2) 32 31 4 15 1 8 0.0 <br />0.0 0.0 <br />Upper Floor 168 161 23 81 6 40 0.0 0.0 0 0 <br />(Zone 3) <br />0.0 0.0 <br />Upper Floor 2136 2051 293 1025 73 513 30.0 0.0 450.0 <br />(Zone 4) <br />450.0 0.0 <br />**NOTE** <br />GENERAL CONTRACTOR MUST ENSURE THAT PROPER VENTILATION IS PROVIDED AT EAVES/SOFFITS AS <br />REQUIRED BY FBC 5th ED. RESIDENTIAL. <br />VENTED SOFFIT LEGEND <br />IF SOFFIT IS LABELED AS "NON -VENTING" FIRE PROTECTION WILL BE INSTALLED <br />AS REQUIRED BY SECTION R302 OF THE FBC 5th EDITION (2014) RESIDENTIAL . IF <br />LABELED AS "VENTED", NO FIRE PROTECTION WILL BE REQUIRED. <br />VENTED SOFFIT <br />M <br />0 <br />Z <br />Q <br />J <br />O <br />a� <br />cry <br />4..J W <br />O � E <br />O <br />L— m ti <br />U M � <br />W C f0 M <br />i.._ OpE <br />�co <br />m <br />;C M <br />'— U 0 ONO <br />L LLB <br />Uy Sao <br />Q�,�Qo <br />A 1 <br />B D® <br />I <br />Q F <br />iN` <br />W m�0)�i1= � P- <br />/µy, �o(n4'N � ��✓ � LL <br />Z <br />—IN <br />W <br />To the best of the Engineer's knowledge, information, and <br />belief, the structural plans and specifications contained <br />within these drawings comply with the Florida Building <br />Code Sth Edition (2014) Residential. Engineer's signature <br />and seal is only for the structural engineering por10- Ill tions of <br />the drawing pages bearing Engineer's signature and seal. <br />0 <br />Z N <br />O � I� <br />il <br />> <br />(n M <br />C:W LA <br />) <br />O <br />M <br />z�E <br />WJ �O <br />J <br />0 <br />z <br />W�C� <br />mq� WG� <br />���Noo <br />OZ}ZaV <br />2 � ? W � z <br />�go�dw <br />o <br />Lu <br />Ln <br />Ln <br />Lu <br />Lu 4 <br />o�°o <br />r-1 Uw© <br />a O Z <br />O � <br />N <br />J <br />d'fnY� <br />O�OZ�� <br />Q I_�m� <br />z °za�ozZ <br />� z � aQ�aLLJ 0Q� <br />L W WOu_Z� <br />�Q~oS <br />d � � z <br />O M LL <br />0 W <br />j �— Z <br />O <br />Z � a <br />SCALE : AS NOTED <br />PLOT DATE: 12/7/2012 <br />TECH: MJAMES <br />VERSION NO. <br />1122 <br />SOB NO: 17-2861 <br />SHEET N0. <br />7 <br />- - - - - -- -. - � T��i'.:II � ���b L!I1d ill kdd ,dl I �IGYIIiI.. ik6'6 .511 H,,.YGdll,�-Ilu It ll.... 1111.. ,t :.� I- <br />M <br />0 <br />Z <br />Q <br />J <br />O <br />a� <br />cry <br />4..J W <br />O � E <br />O <br />L— m ti <br />U M � <br />W C f0 M <br />i.._ OpE <br />�co <br />m <br />;C M <br />'— U 0 ONO <br />L LLB <br />Uy Sao <br />Q�,�Qo <br />A 1 <br />B D® <br />I <br />Q F <br />iN` <br />W m�0)�i1= � P- <br />/µy, �o(n4'N � ��✓ � LL <br />Z <br />—IN <br />W <br />To the best of the Engineer's knowledge, information, and <br />belief, the structural plans and specifications contained <br />within these drawings comply with the Florida Building <br />Code Sth Edition (2014) Residential. 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W � z <br />�go�dw <br />o <br />Lu <br />Ln <br />Ln <br />Lu <br />Lu 4 <br />o�°o <br />r-1 Uw© <br />a O Z <br />O � <br />N <br />J <br />d'fnY� <br />O�OZ�� <br />Q I_�m� <br />z °za�ozZ <br />� z � aQ�aLLJ 0Q� <br />L W WOu_Z� <br />�Q~oS <br />d � � z <br />O M LL <br />0 W <br />j �— Z <br />O <br />Z � a <br />SCALE : AS NOTED <br />PLOT DATE: 12/7/2012 <br />TECH: MJAMES <br />VERSION NO. <br />1122 <br />SOB NO: 17-2861 <br />SHEET N0. <br />7 <br />- - - - - -- -. - � T��i'.:II � ���b L!I1d ill kdd ,dl I �IGYIIiI.. ik6'6 .511 H,,.YGdll,�-Ilu It ll.... 1111.. ,t :.� I- <br />- - - - - -- -. - � T��i'.:II � ���b L!I1d ill kdd ,dl I �IGYIIiI.. ik6'6 .511 H,,.YGdll,�-Ilu It ll.... 1111.. ,t :.� I- <br />