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rIMPRIMP1W <br />Mi <br />IIW�uILiI., iL 1 �� <br />ZONE-2 <br />ATTIC SPACE <br />60 SQ. FT. <br />o <br />v <br />I 4:12� SLOPE/L4:12SLOPE <br />'�/A <br />5:12 SLOPE <br />i <br />4'-0" OFF RIDGE VENT <br />ZONE-3 <br />ATTIC SPACE <br />1071 SQ. FT. <br />le <br />Z <br />w 5:12 SLOPE <br />X <br />s <br />O <br />Q) <br />ti% <br />W <br />Is. <br />0 <br />rn <br />N <br />I <br />X <br />a5:12 SLOPE O y�Q <br />U) <br />C6 <br />ZONE-1 LU <br />ATTIC SPACE <br />I I <br />97 SQ. FT. N <br />r <br />Attic Ventilation <br />Attic Ventilation to be in compliance with the Florida Building Code 7th Edition <br />(2020) 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 cornice vents. <br />"CALCULATIONS BASED ON THE FOLLOWING VALUES, SEE ROOF PLAN" <br />(Values to be verified with Manufacturer Specifications) <br />• OFF -RIDGE VENTS 138 SQ. IN. OF NET FREE AREA / UNIT <br />• SOFFIT VENTS 7 SO. IN. OF NET FREE AREA / SO. FT. <br />• STUCCO SOFFIT VENTS - 126 SQ. IN. OF NET FREE AREA / SQ. FT. <br />'If not enough vented soffit is provided due to fire protection, the contractor shall use the <br />following approved vents: <br />• LOMANCO DECK -AIR (Shingle Roof) - 9 SQ. IN. OF NET FREE AREA / FT. <br />**Formula: (Sq. Ft. Soffit Needed) x 7 - (Sq. In. Needed) / 9 = Linear Ft. of Deck -Air Needed) <br />ATTIC VENTILATION CALCULATIONS - A <br />ATTIC VENTILATION <br />1/150 Rule <br />REQUIRED <br />UPPER VENTILATION <br />Ridge <br />Off -Ridge <br />PROVIDED <br />1l300 Rule <br />(No Upper Ventilators <br />(Must Provide Upper Ventilators) <br />Vent Amt <br />Amt. <br />Req.) <br />(Ft) <br />Total <br />Ventilation <br />ATTIC <br />Provided <br />SPACE <br />SO. FT. <br />Total SQ. <br />SQ. FT. <br />SQ. IN. of <br />by Upper <br />SO. IN. of <br />of vented <br />IN. of <br />of <br />ventilation to <br />SQ. IN. of <br />SQ. IN. of <br />Ventilators <br />ventilation <br />re q wired soffit <br />ventilation <br />d <br />vented <br />t <br />b provided <br />y pp er <br />Ventilation <br />Ventilation <br />(See Elev ) <br />needed <br />required <br />needed <br />ventilators <br />0.0 <br />0.0 <br />Main <br />Floor <br />97 <br />93 <br />13 <br />47 <br />3 <br />23 <br />0.0 <br />0.0 <br />0.0 <br />---- <br />0.0 <br />(Zone 1) <br />- <br />Main <br />-- - <br />......... <br />0.0 <br />Floor <br />60 <br />58 <br />8 <br />29 <br />2 <br />14 <br />0.0 <br />0.0 <br />0.0 <br />(Zone 2) <br />Upper .._ <br />9.0 <br />1.0 <br />Floor <br />1071 <br />1028 <br />147 <br />514 <br />37 <br />257 <br />273.0 <br />(Zone 3 ) <br />135.0 <br />1 138.0 <br />"NOTE'" <br />GENERAL <br />CONTRACTOR <br />MUST ENSURE THAT <br />PROPER VENTILATION IS PROVIDED <br />AT EAVES/SOFFITS <br />AS <br />REQUIRED <br />BY FLORIDA <br />BUILDING CODE 7TH <br />EDITION (2020) RESIDENTIAL. <br />ROOF PLAN -A <br />SCALE: Y4"=1'-0" <br />N <br />0 <br />N <br />c: <br />� <br />!V <br />0 <br />q <br />)a w <br />DC <br />a r- o <br />C /0 V N <br />N f0 O i- <br />lV L <br />tO 10 <br />Q ydr fV 21e <br />c <br />> s c <br />a <br />3 � <br />L <br />•� � c o <br />y oc •= �^ <br />� E � <br />c <br />o <br />a � <br />2c�0wI, <br />° < NSF° r. <br />w cis <br />W <br />.. <br />o <br />�N <br />�C'`FSStON'P <br />\�.1 <br />e� <br />To the best of the Engineer's knowledge, information and bell , <br />the structural plans and specifications contained within these <br />drawings comply with the 2020 <br />Florida Building Code - <br />Residential 7th Edition. Engineer's signature and seal Is only for <br />the structural engineering portions of the drawing pages bearing <br />Engineer's signature and seal. <br />W <br />I- <br />8 <br />N1y1yW <br />�M0 <br />t» <br />` <br />N LL <br />LL U_ a <br />Z <br />LL <br />0) D <br />�C <br />rR�pOi�� <br />LLW <br />' <br />N z 0 <br />Z <br />OU y <br />W <br />❑❑ <br />U R V <br />Z N I <br />2-1 <br />Z n <br />Q <br />Cl- <br />zQ) <br />o <br />C1 <br />U <br />� a <br />_ <br />O <br />W s <br />Ln <br />Ly N <br />8. <br />U <br />c °a3 <br />Ot <br />t• <br />C <br />M <br />g <br />Eg <br />z <br />30 <br />Z <br />E <br />N <br />g° <br />U <br />az <br />tg <br />b <br />i0i <br />a <br />W <br />p0 <br />Co LO <br />M <br />N <br />a <br />Q <br />�1 <br />Cr' <br />g <br />N <br />CID <br />� <br />N <br />LO <br />�•-+ <br />O <br />LL <br />rl*- <br />Y <br />m <br />04 <br />Lo <br />cV CV <br />r <br />M <br />' (� <br />Z <br />E <br />U)r <br />w <br />a <br />U <br />JOB <br />NO: <br />23-00515 <br />SCALE : <br />AS NOTED <br />SHEET N0. <br />4 <br />