Laserfiche WebLink
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 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 />z co <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 />VENTED SOFFIT 48 SQ. FT. —CALCULATIONS BASED ON THE FOLLOWING VALUES, SEE ROOF PLAN*' <br />(Values to be verified with Manufacturer Specifications) <br />• RIDGE VENTS 15 SQ. IN. OF NET FREE AREA / LINEAR FT. <br />• OFF -RIDGE VENTS 138 SQ. IN. OF NET FREE AREA / UNIT <br />•......•••••••• ••••••••• •••••••••• •SOFFIT VENTS 7SQ. IN. OFNET FREE AREA / SO. FT. <br />U) Cz <br />• O'HAGIN WEATHERMASTER (Shingle Roof) - 72 SQ. IN. OF NET FREE AREA/ FT. <br />(Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed) / 72 = Amount of allagin Vents Needed <br />• LOMANCO DECK -AIR (Shingle Roof) - 9 SQ. IN. OF NET FREE AREA / FT. <br />(D(o C) <br />�.1 **Formula: (Sq. Ft Soffit Needed) x 7 = (Sq. In. Needed) / g = Linear Ft. of Deck -Air Needed) <br />11 • O'HAGIN (Tile Roof) - 86.25 SO. IN. OF NET FREE AREA / VENT <br />U `Tz <br />"Formula: (Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed) / 86.25 = Amount of CYHagin Vents Needed <br />. I <br />.I <br />A <br />••7 <br />• ZONE-3 <br />ATTIC SPACE <br />.i <br />3366 SQ. FT. <br />• 1 <br />••i1 <br />i <br />LL :� LL <br />�•1� C3 <br />Co •• 1 C� <br />LL •� LL. <br />'•� <br />'•� M <br />W .:.� FW— <br />F-- Z <br />Z <br />A <br />1 <br />••1i <br />••�ii <br />••�iiI <br />••�1 <br />. + <br />•'�I 1=- <br />•• " O W <br />:.A U) �- <br />� w <br />w <br />.'� <br />:•� r-• — — .--� <br />A <br />— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — <br />VENTED SOFFIT 9 SQ. FT. <br />VENTED SOFFIT 4 SQ. FT. VENTED SOFFIT 4 SQ. FT. ROOF PLAN -A <br />SCALE: %4"=V-0" <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 />I Soffit <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 upper Ventilation Ventilation <br />needed required needed ventilators <br />L.L. <br />Main 22.0 3.0 <br />Floor 3366 3231 462 1616 115 808 744.0 <br />(Zone 3) 330.0 414.0 <br />U) LLCn <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 />0.0 0.0 <br />**NOTE*' <br />GENERAL CONTRACTOR MUST ENSURE THAT PROPER VENTILATION IS PROVIDED AT EAVES/SOFFITS AS <br />jX. <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 />Z g <br />Z <br />Q <br />J <br />Z <br />W � <br />O~ <br />W � O <br />OO <br />,V U �MCl) <br />W E c as co <br />WW ~ <br />[!ce <br />M <br />N <br />— <br />_� Ooo <br />L LLB <br />d) j <br />U°d1i Nao <br />C Y tog <br />.lfw <br />NN <br />Lo <br />T <br />Q Of � Q O <br />A ' N C B D C <br />B Do ,ftt T_ <br />cp <br />Ik <br />B <br />S E b <br />.Q a bra' <br />�r1 G.�Q fie• m ���. <br />ef>$ft°�ciE°E,li� � 0 <br />00 <br />To the best of the Engineer's knowledge, information, and <br />belief, the structural plans and specifications contained <br />within these drawings comply with the Florida Building <br />Code Sth Edition (2014) Residential. Engineer's signature <br />and seal is only for the structural engineering portions of <br />the drawing pages bearing Engineer's signature and seal. <br />O <br />Z r4 <br />0 � N <br />°°>i <br />(UN <br />LL <br />CL <br />n <br />M 0 <br />M <br />a cn•L� <br />cC U Q• '-•I <br />Q 00 � <br />Z� 170 <br />W <br />J � <br />J <br />0 <br />z <br />Woo <br />wz a <br />Upf�oO <br />OzrOn�.0 <br />Z r Q U f Q <br />2f IZ..IWZ <br />zp�W�ZW Oa <br />age OUo <br />0�03�0 <br />�HapZOO <br />LL1 = w <br />O W�J <br />ri <br />Ln <br />rl <br />w��a <br />WVQSYu� <br />UwO Jp[ <br />O ooZ -� z�2 <br />xtg �fu Uj <br />i <br />z <br />O W o� <br />z z <br />w� O <br />Z <br />� � �ww0 zQ <br />O aQ�LL_joS <br />=a o <br />' ^ ^ v°dX�Z <br />L.L w / W a <br />TI � JYYW <br />LL aa''� <br />Z � ILL 0 w <br />? F— Z <br />IF••-1 J <br />SCALE : AS NOTED <br />PLOT DATE : 12/7/2012 <br />TECH: MJAMES <br />VERSION NO. <br />100 <br />JOB NO: 17-5176 <br />SHEET N0. <br />4 <br />Z g <br />Z <br />Q <br />J <br />Z <br />W � <br />O~ <br />W � O <br />OO <br />,V U �MCl) <br />W E c as co <br />WW ~ <br />[!ce <br />M <br />N <br />— <br />_� Ooo <br />L LLB <br />d) j <br />U°d1i Nao <br />C Y tog <br />.lfw <br />NN <br />Lo <br />T <br />Q Of � Q O <br />A ' N C B D C <br />B Do ,ftt T_ <br />cp <br />Ik <br />B <br />S E b <br />.Q a bra' <br />�r1 G.�Q fie• m ���. <br />ef>$ft°�ciE°E,li� � 0 <br />00 <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 portions of <br />the drawing pages bearing Engineer's signature and seal. <br />O <br />Z r4 <br />0 � N <br />°°>i <br />(UN <br />LL <br />CL <br />n <br />M 0 <br />M <br />a cn•L� <br />cC U Q• '-•I <br />Q 00 � <br />Z� 170 <br />W <br />J � <br />J <br />0 <br />z <br />Woo <br />wz a <br />Upf�oO <br />OzrOn�.0 <br />Z r Q U f Q <br />2f IZ..IWZ <br />zp�W�ZW Oa <br />age OUo <br />0�03�0 <br />�HapZOO <br />LL1 = w <br />O W�J <br />ri <br />Ln <br />rl <br />w��a <br />WVQSYu� <br />UwO Jp[ <br />O ooZ -� z�2 <br />xtg �fu Uj <br />i <br />z <br />O W o� <br />z z <br />w� O <br />Z <br />� � �ww0 zQ <br />O aQ�LL_joS <br />=a o <br />' ^ ^ v°dX�Z <br />L.L w / W a <br />TI � JYYW <br />LL aa''� <br />Z � ILL 0 w <br />? F— Z <br />IF••-1 J <br />SCALE : AS NOTED <br />PLOT DATE : 12/7/2012 <br />TECH: MJAMES <br />VERSION NO. <br />100 <br />JOB NO: 17-5176 <br />SHEET N0. <br />4 <br />