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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 />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 comics vents. <br />-CALCULATIONS BASED ON THE FOLLOWING VALUES, SEE ROOF PLAN - <br />(Values to be verified with Manufacturer Specifications) <br />• RIDGE VENTS 15 SO. IN. OF NET FREE AREA / LINEAR FT. <br />• OFF -RIDGE VENTS 138 SO. IN. OF NET FREE AREA / UNIT <br />U) <br />ATTIC VENTILATION CALCULATIONS - B <br />ATTIC VENTILATION REQUIRED UPPER VENTILATION PROVIDED <br />1/150 Rule 1/300 Rule RidgeVentAmt <br />(No Upper Ventilators (Must Provide Upper Ventilators) (Ft.) Off-RidgeAmt. <br />Req.) <br />Total Ventilation <br />ATTIC Provided by <br />SPACE SQ. FT. Total SQ. SQ. FT. SQ. IN. of Upper <br />lators <br />of vented IN. of SQ. IN. of SQ. IN. of (See Elev) <br />ventilation vented be provided <br />Main 7.0 4.0 <br />Floor 3235 3106 444 1553 ill 776 657.0 <br />(Zone 1) 105.0 552.0 <br />0 0 0 0 0 0 0.0 0.0 0.0 <br />0.0 0.0 <br />0 0 0 0 D 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 />L4r <br />cc <br />L <br />WIL <br />uLn IS <br />(z (n 0 <br />n <br />z z E <br />iy- <br />Z M <br />— o <br />z1g] <br />Z <br />Q <br />J <br />Z <br />W c/) <br />4--) w <br />U <br />w ~ <br />O = E <br />v � o0 <br />U rnMM <br />w C rd Cl) <br />W ~ E <br />—kg OoN <br />$ <br />aoDo <br />U � a� <br />Qrn o <br />A' N C B D C <br />B D. <br />o � <br />�itl*z111o1 <br />� J O <br />��4�•��i p• � LJL <br />To the best of the Engineer;; Ike ,information, and <br />belief, the structural plans' ands ecifN:ations 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 />O <br />O <br />Z t'V <br />O a <br />� <br />> <br />M O <br />M <br />d ^ <br />V CL o <br />Z § M <br />LU <br />J uj 0 <br />f <br />oZ <br />Z1yW�� <br />W mZQ` xUF-Skwjto0 <br />�Z>-zQU <br />Z>-QUOgQ <br />�IZ�ZWuF-Z <br />C7 Z p r o0: W <br />0�030 <br />ce N <br />U�apzO <br />T"1 WSLU z <br />O � <br />rl <br />Ll) <br />N <br />Ln <br />° <br />3 <br />w <br />�(lj uUY d' <br />UwIn 0o� <br />-v Z Q �oW�� <br />Z w w 0�Z5 0 <br />z <br />J S W g H� <br />` kLwO%iZ< <br />N a V) W <br />Z <br />rt � J�Y W <br />p � as~� <br />z .. N O " <br />� � z <br />z � g 0 <br />tl--r J <br />SCALE : AS NOTED <br />PLOT DATE: 12/7/2012 <br />TECH: MJAMES <br />VERSION NO. <br />106 <br />JOB NO: 17-5179 <br />SHEET NO. <br />4 <br />Z M <br />— o <br />z1g] <br />Z <br />Q <br />J <br />Z <br />W c/) <br />4--) w <br />U <br />w ~ <br />O = E <br />v � o0 <br />U rnMM <br />w C rd Cl) <br />W ~ E <br />—kg OoN <br />$ <br />aoDo <br />U � a� <br />Qrn o <br />A' N C B D C <br />B D. <br />o � <br />�itl*z111o1 <br />� J O <br />��4�•��i p• � LJL <br />To the best of the Engineer;; Ike ,information, and <br />belief, the structural plans' ands ecifN:ations 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 />O <br />O <br />Z t'V <br />O a <br />� <br />> <br />M O <br />M <br />d ^ <br />V CL o <br />Z § M <br />LU <br />J uj 0 <br />f <br />oZ <br />Z1yW�� <br />W mZQ` xUF-Skwjto0 <br />�Z>-zQU <br />Z>-QUOgQ <br />�IZ�ZWuF-Z <br />C7 Z p r o0: W <br />0�030 <br />ce N <br />U�apzO <br />T"1 WSLU z <br />O � <br />rl <br />Ll) <br />N <br />Ln <br />° <br />3 <br />w <br />�(lj uUY d' <br />UwIn 0o� <br />-v Z Q �oW�� <br />Z w w 0�Z5 0 <br />z <br />J S W g H� <br />` kLwO%iZ< <br />N a V) W <br />Z <br />rt � J�Y W <br />p � as~� <br />z .. N O " <br />� � z <br />z � g 0 <br />tl--r J <br />SCALE : AS NOTED <br />PLOT DATE: 12/7/2012 <br />TECH: MJAMES <br />VERSION NO. <br />106 <br />JOB NO: 17-5179 <br />SHEET NO. <br />4 <br />