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VENTED SOFFIT 47 SQ. FT. <br />Attic Ventilation <br />Attic Ventilation to be in compliance with the Florida Building Code 5th Edition <br />(2014) Residential R806. <br />The Minimum net free ventilating area shall be 11150 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) ec <br />( P ) <br />• RIDGE VENTS 15 SQ. IN. 0 F NET FREE AREA /LINEAR FT. <br />• • • � • • • � ' ' � � • � � • <br />• • • • • • • • � ' <br />'• : <br />' ' <br />•OFF -RIDGE VENTS - 138 SQ. IN. OF NET FREE AREA /UNIT <br />• <br />• SOFFIT VENTS 7 SQ. IN. OF NET FREE AREA <br />0 <br />/ SQ. FT. <br />•' '•� ' '• • • O'HAGIN WEATHERMASTER (Shingle Roof) - 72 SQ. IN. OF NET FREE AREA/ FT. <br />w 1 <br />(Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed) / 72 = Amount of O'Hagin Vents Needed <br />• LOMANCO DE <br />ru <br />CK-AIR (Shingle Roof) - 9 SQ. IN. OF NET FREE AREA / FT. <br />1 **Formula: (Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed) / 9 = Linear Ft. of Deck -Air Needed) <br />•:: + (': •' ' • O'HAGIN (Tile Roof) - 86.25 SQ. IN. OF NET FREE AREA / VENT <br />• Formula: (Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed) 186.25 = Amount of O'Hagin Vents Needed <br />•'i I • <br />.A <br />A <br />•'J I <br />iCf <br />_a is <br />LL.•:� ��: <br />o ::� ,:: o <br />A V. <br />ZONE-1 <br />�i ATTIC SPACE <br />i 3038 SQ. FT. ' <br />('• <br />•'� �'. <br />•'J I <br />•'J I'• <br />•'J �'. <br />•'� I•• <br />J I'• <br />••i ('. <br />•') ENTED SOFFI �'•'•' <br />"•i 16 SQ. FT. .... 0.0 • <br />i <br />i i�: <br />.a (.: <br />:•� <br />............................................................................... •.. <br />VENTED SOFFIT 5 SQ. FT, VENTED SOFFIT 35 SQ. FT. <br />ROOF PLAN-B_ <br />SCALE: %4=1'-0" <br />ATTIC VENTILATION CALCULATIONS - B <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 />ATTIC Provided by <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 y Ventilation Ventilation <br />needed required soffit b <br />upper <br />needed ventilators <br />Main 14.0 3.0 <br />Floor 3038 2916 417 1458 104 729 624.0 <br />(Zone 1) 210.0 414.0 <br />0.0 0.0 <br />0 0 0 0 0 0 0.0 <br />0.0 0.0 <br />0 0 0 0 0 0 0.0 0.0 0.0 <br />o.o o.o <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 />O <br />Z co <br />_ o <br />z° <br />z� <br />t>_ <br />z <br />n�n ' <br />w <br />Q <br />w ~ <br />L" o <br />U �� <br />I.— (LO 'O M <br />—0 Ooo <br />.� <br />ILCL <br />L co <br />U <br />� <br />Qo <br />Q C% � Q O <br />1 N�C�B �D <br />CD <br />to <br />co <br />- <br />C <br />",M U-N <br />LL rn rn <br />m <br />N <br />Q Q <br />CO <br />LL — <br />L V <br />o mQ <br />�r ,,• � Ali o: h o. <br />4 V' Q M J <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 5th Edition (2014) Residential. Engineer's signature <br />and seal is only for the structural engineering portions of <br />the drawing pages bearing Engineer's signature and seal. <br />0 <br />zC) <br />� _NI. <br />I <br />> Uz Ln ON <br />CL ILL. <br />ru <br />) <br />MO <br />M <br />Cn <br />z�� <br />Jo <br />W� <br />J <br />�Z <br />woo <br />wmZ~mod <br />U��cwn00 <br />zrQ��Q <br />=2:zw�z <br />�zow <br />o�o��o <br />UH-apzp <br />O w = <br />LU <br />O � <br />Ln <br />N <br />N <br />rl <br />J <br />Boa <br />w 0 <br />Z 00 �~ZmOO <br />p0w� <br />0 <br />� N a �z �O0 <br />z <br />N WUf~ <br />2! <br />Z 8���1-�' <br />w � > Qd p a <br />� I WWOwza <br />O Q ��Wzo <br />?� Qoo <br />cj�o <br />cn�XOZ¢ <br />O O T� J� Y W <br />I_- (=) �. o W <br />>ogo <br />Z J a � <br />SCALE : AS NOTED <br />PLOT DATE: 12/7/2012 <br />TECH: MJAMES <br />VERSION N0. <br />5oll <br />JOB NO: 17-5175 <br />SHEET NO. <br />4 <br />O <br />Z co <br />_ o <br />z° <br />z� <br />t>_ <br />z <br />n�n ' <br />w <br />Q <br />w ~ <br />L" o <br />U �� <br />I.— (LO 'O M <br />—0 Ooo <br />.� <br />ILCL <br />L co <br />U <br />� <br />Qo <br />Q C% � Q O <br />1 N�C�B �D <br />CD <br />to <br />co <br />- <br />C <br />",M U-N <br />LL rn rn <br />m <br />N <br />Q Q <br />CO <br />LL — <br />L V <br />o mQ <br />�r ,,• � Ali o: h o. <br />4 V' Q M J <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 5th Edition (2014) Residential. Engineer's signature <br />and seal is only for the structural engineering portions of <br />the drawing pages bearing Engineer's signature and seal. <br />0 <br />zC) <br />� _NI. <br />I <br />> Uz Ln ON <br />CL ILL. <br />ru <br />) <br />MO <br />M <br />Cn <br />z�� <br />Jo <br />W� <br />J <br />�Z <br />woo <br />wmZ~mod <br />U��cwn00 <br />zrQ��Q <br />=2:zw�z <br />�zow <br />o�o��o <br />UH-apzp <br />O w = <br />LU <br />O � <br />Ln <br />N <br />N <br />rl <br />J <br />Boa <br />w 0 <br />Z 00 �~ZmOO <br />p0w� <br />0 <br />� N a �z �O0 <br />z <br />N WUf~ <br />2! <br />Z 8���1-�' <br />w � > Qd p a <br />� I WWOwza <br />O Q ��Wzo <br />?� Qoo <br />cj�o <br />cn�XOZ¢ <br />O O T� J� Y W <br />I_- (=) �. o W <br />>ogo <br />Z J a � <br />SCALE : AS NOTED <br />PLOT DATE: 12/7/2012 <br />TECH: MJAMES <br />VERSION N0. <br />5oll <br />JOB NO: 17-5175 <br />SHEET NO. <br />4 <br />