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j <br />ATTIC VENTILATION CALCULATIONS - Al <br />Attic Ventilation <br />ATTIC VENTILATION REQUIRED - UPPER VENTILATION PROVIDED <br />Attic Ventilation to be in compliance with the Florida Building Code 7th Edition <br />(2020) Residential R806. <br />— -- <br />The Minimum net free ventilating area shall be 1/150 of the area of the vented <br />1/150 Rule 1/300 Rule Off -Ridge Ridge <br />space. The ventilating area may be reduced to 1/300 provided that at least 40% <br />(No Upper Ventilators (Must Provide Upper Ventilators) Vent Amt Amt. <br />but no more than 50% of the required ventilation is provided in the upper portion of <br />Req.) (Ft.) <br />the space to be ventilated. Upper ventilators shall be located no more than 3 feet <br />--- - --- -- - - Total <br />(measured vertically) below the ridge or highest point of the space, with the <br />Ventilation <br />balance of the required ventilation provided by eave or cornice vents. <br />ATTIC Provided <br />SQ. FT. SQ. IN. of b Upper <br />pPa <br />CALCULATIONS BASED ON THE FOLLOWING VALUES, SEE ROOF PLAN'* <br />SPACE SQ. IN. of SO. FT. Total $Q. y <br />of vented IN. of of ventilation toSQ. Ventilators <br />IN. of IN. of <br />(Values to be verified with Manufacturer Specifications) <br />• OFF -RIDGE VENTS 138 SQ. IN. OF NET FREE AREA! UNIT <br />ventilation vented be provided en en <br />soffit ventilation Ventilation Ventilation (See Elev) <br />•SOFFIT VENTS 7 SQ. IN. OF NET FREE AREA! SQ. FT. <br />required needed required soffit by upper <br />• STUCCO SOFFIT VENTS - 126 SQ, IN. OF NET FREE AREA I SO. FT. <br />needed ventilators <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 />— -- --- - - - - - -- <br />"Formula: (Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed) 19 =(Linear Ft. of Deck -Air Needed) <br />Main <br />28 1 <br />Floor <br />2373 2278 325 1139 81 570 558.0 <br />(Zone 1) <br />420.0 138.0 <br />' NOTE" <br />GENERAL <br />CONTRACTOR MUST ENSURE THAT PROPER VENTILATION IS PROVIDED AT EAVES/SOFFITS AS <br />REQUIRED BY FLORIDA BUILDING CODE 7TH EDITION (2020) RESIDENTIAL. <br />I <br />I <br />ZONE-1 <br />I <br />I <br />I <br />ATTIC SPACE <br />2373 SQ. FT. <br />o <br />y�A <br />fn <br />N <br />to <br />I <br />to <br />I <br />I <br />I <br />5:12 SLOPE <br />I <br />I <br />W <br />I <br />I <br />LL <br />RIDGE <br />------- <br />I <br />I :12� SLOPE <br />14'-0' RIDGE VENT <br />a. <br />o <br />�-1 0 <br />O <br />I <br />W <br />y�A a N <br />I <br />11'-O' RIDGE VENT <br />I <br />RIDGE <br />I <br />I <br />I1J <br />0- <br />I <br />0 <br />n <br />CNI <br />T-0' L <br />I N <br />I irn• <br />I I <br />I <br />I <br />I 4'-0' RIDGE VENT I <br />q I <br />RIDGE <br />� ( <br />I <br />I <br />W ' <br />0. <br />0 <br />I <br />' <br />N04 <br />T <br />= I <br />o <br />I <br />ih <br />ROOF PLAN - ELEV-Al_ <br />SCALE: Y4'=1'-0" <br />N <br />N <br />O <br />N <br />c�a <br />N <br />fit <br />o <br />Cn <br />d <br />� cu <br />CD <br />o <br />u a e� o <br />C cc Cj N <br />H'R O <br />N 61 O <br />a <br />W Q <br />IC2 <br />�._ u w <br />^o `o <br />2 U <br />To the best of the Engineer's knowledge, information and belief, <br />the structural plans and specifications contained within these <br />drawings comply with the 2020 Florida Building Code - <br />Residential <br />7th Edition. Englnee's signature and seal is only for <br />the structural engineering potions of the drawing pages bearing <br />Engine's signature and seal. <br />a <br />E <br />CV <br />tONtiC.�r-� <br />iIi <br />4 <br />M d' ik LL <br />=� W <br />Zm <br />13 <br />�tL� n. <br />'s- 0-1 <br />a <br />iA_N <br />p <br />o <br />8 T o <br />W <br />= <br />LLW <br />6QJo <br />ZO <br />U oaU' N <br />W <br />130 <br />M <br />V <br />N <br />E <br />Q <br />w <br />J <br />n <br />V1 <br />z <br />a) <br />o <br />1 , <br />•� <br />N LL <br />LLJ <br />Q <br />OW <br />S <br />II ^^ <br />N <br />' <br />V <br />LJ J J <br />p <br />�j <br />•• <br />C) <br />w <br />zz <br />� S <br />J <br />E <br />zo <br />Q <br />E ° <br />a� <br />8° <br />Z <br />IT <br />Q � <br />O E <br />6. <br />~ � <br />C: <br />G <br />YUU <br />ZLL <br />Z <br />yy� <br />VJ J <br />�m <br />w <br />� <br />Z <br />o <br />0 <br />ao <br />W <br />c) <br />z <br />J <br />O <br />d0' <br />zla <br />O O <br />N //�W <br />w <br />. <br />DLO <br />Y i <br />(a <br />� <br />I.L <br />j T <br />N <br />m <br />_m <br />O <br />N <br />O <br />-0-N <br />L0 <br />� <br />T <br />Q <br />� <br />T <br />z <br />E <br />E M <br />E <br />w <br />JOB <br />NO: <br />22-06474 <br />SCALE : <br />AS NOTED <br />SHEET NO. <br />5 <br />