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VENTED SOFFIT 44 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 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 al <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 />a RIDGE VENTS 15 SQ. IN. OF NET FREE AREA / LINEAR FT. <br />a OFF -RIDGE VENTS 138 SQ. IN. OF NET FREE AREA I UNIT <br />e SOFFIT VENTS 7 SQ. IN. OF NET FREE AREA / SQ. FT. <br />............... ...................... .............. ................. ............................ o ...... o ...... .. <br />-Am.& o.&A.6 0.6d6& -.6" -Wh&a -.ft" -.6" -.ft" -.0" -.6" Awb" wb" .ft" -.&" -w".& <br />*If not enough vented soffit is provided due to fire protection, the contractor shall use the <br />following approved vents: <br />o LOMANCO DECK -AIR (Shingle Roof) - 9 SQ. IN. OF NET FREE AREA / FT. <br />-Formula: (Sq. Ft. Sofftt Needed) x 7 = (Sq. In. Needed) / 9 = (Linear Ft. of Deck -Air Needed) <br />e O'HAGIN (Tile Roo� - 86.25 SQ. IN. OF NET FREE AREA / VENT <br />X <br />o <br />o. o% <br />7. <br />ol <br />"Formula: (Sq. Ft. Soffit Needed) x 7 (Sq. In. Needed) 86.25 Amount of O'Hagin Vents Needed <br />o o3o.o <br />ZONE-1 <br />7.4 <br />7:71 <br />7:1 <br />ATTIC SPACE 3038 SQ. FT. <br />to-*000l <br />o <br />7% <br />.x <br />-o 0. <br />7o, <br />Foo. <br />-v., <br />oll <br />o.. <br />LJL <br />LL. <br />CY <br />CY <br />U) <br />F- <br />7A <br />.7. <br />F- <br />GL- <br />1: <br />LL- <br />LL. <br />o .1 <br />o <br />ILL. <br />0 <br />lol <br />o <br />0 <br />W <br />7 <br />..o.. <br />U) <br />M <br />M <br />U-j <br />1.7 <br />LU <br />: ..1 <br />1.7 <br />F:.%. <br />LU <br />.71 <br />*o%7 <br />U-1 <br />ATTIC VENTILATION CALCULATIONS A <br />ATTIC VENTILATION REQUIRED UPPER VENTILATION PROVIDED <br />7.1 <br />1/150 Rule 11300 Rule Ridge Vent Amt <br />(No Upper Ventilators Off -Ridge Amt. <br />(Must Provide Upper Ventilators) (Ft.) <br />Req.) <br />Total Ventilation <br />.7 <br />Provided by <br />ATTIC <br />Upper <br />SPACE <br />SQ. FT. Total SQ. SQ. FT. SQ. IN. of <br />SQ. IN. Of of ventilation to Ventilators <br />ventilation of vented IN. of ented be provided SQ. IN. of SQ, IN. of (See Elev) <br />v <br />I o o <br />required soffit ventilation Ventilation Ventilation <br />soffit by upper <br />needed required <br />needed ventilators <br />Main <br />34.0 3.0 <br />Floor 3038 <br />2916 417 1458 104 729 924.0 <br />o <br />(Zone 1) <br />510.0 .0 <br />0.0 0.0 <br />0 <br />0 0 0 0 0 0.0 <br />0.0 0.0 <br />o <br />0.0 0.0 <br />0 <br />0 0 0 0 0 0.0 <br />-00--� <br />0.0 <br />... <br />VE NTED SOFFIT 4 SQ. FT. <br />-NOTE** <br />AS <br />.7o <br />GENERAL CONTRACTOR <br />MUST ENSURE THAT PROPER VENTILATION IS PROVIDED AT EAVESISOFFITS <br />REQUIRED BY FBC 5th ED. RESIDENTIAL. <br />o... <br />VENTED SOFFIT LEGEND <br />.7ol. <br />* <br />.... <br />.7o, <br />o . o o 1 <br />1.7. <br />"/-1 <br />IF SOFFIT IS LABELED AS "NON -VENTING" FIRE PROTECTION WILL BE INSTALLED <br />.......... ................... <br />................ <br />7. <br />AS REQUIRED BY SECTION R302 OF THE FBC 5th EDITION (2014) RESIDENTIAL. IF <br />1.7ol <br />*.7. <br />LABELED AS"VENTED", NO FIRE PROTECTION WILL BE REQUIRED. <br />t <br />VENTED SOFFIT <br />VENTED SOFFIT 13 SQ. FT. <br />ROOF PLAN -A_ <br />SCALEY4"=V-101" <br />0"'a <br />ZCI) <br />0 <br />C-J) <br />4-J Lu <br />M r) <br />U <br />0 LU E <br />0 <br />MCI) <br />V) 00 <br />Fn I-- <br />u C-0 <br />E <br />8 o= C14 <br />--r 45 i; LL co <br />wig 0 :3 -00 <br />C) 0 0 Cc - <br />4) 65 -16 1'- <br />CLCD <br />I LO 0 <br />0 CL <br />m < 6 <br />A 11,C,B,D C <br />, U-I&F <br />BD <br />jc:,Wi� <br />cft [gi <br />ot W <br />CIJ <br />C-, <br />Aar& > _j <br />z , LL,--Rg X0. <br />i7 . <br />Z WU*V�4.. <br />z 0 <br />W t <br />LU <br />M <br />El EJ <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 />9-1- <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 />C) <br />CD <br />z r-j <br />0 cu r-, <br />�-4 4-J (=) <br />V) ii3O <br />> ro C:) <br />-4 r') p <br />0 N <br />ra Ln <br />0 <br />LL <br />6- CL 00 <br />z < . E <br />Z3: <br />z <br />WLU C:) <br />-j C:) <br />0 <br />02 z <br />ED LL 0 <br />LU z <br />Lu z <br />< z a� <br />U 2: tnu 00 <br />g0z >. z < 0 <br />z z 0 CL W <br />U 2: < <br />U <br />.z zj9z <br />- z <br />Lou U,, <br />0 Lo <br />U 0 <br />8 in p <br />0 <br />LU C14 <br />0 Z <br />z <br />L4 <br />C) <br />Ln <br />r*4 <br />r-j 000�N <br />Ln <br />LU o <br />z U <br />LLJ a 0 0 <br />U LU <br />F- t7l -,J 0 <br />0 < 00 0 z 0� LL <br />1E =) LLJ 0 �- <br />z �z <br />z to LU 0 =) 0 <br />20- Z r4 <U LU z 0 <br />0 -j < <br />Q) LU '4 < -j <br />> ("%4 F- g - <br />8 LU 2: <br />z LL > 9 0 <br />V) LU LU 0 LL Z < <br />C:) uj x 0 <br />0D 0 <br />CY z <br />cri, L0 z <br />-j LU <br />0 <br />I.- c) LL LL LL <br />z . - 0 <br />LLI z 0 <br />> 0 <br />z <br />SCALE AS NOTED <br />PLOT DATE: 12/7/2012 <br />TECH: AQUINONEZ <br />VERSION NO. <br />5oll <br />JOB NO: 16-6654 <br />SHEET NO. <br />4 <br />