Laserfiche WebLink
.12 <br />+§LO <br />L <br />L <br />I <br />I on <br />ATTIC VENTILATION CALCULATIONS - 131 <br />ATTIC VENTILATION REQUIRED <br />UPPER VENTILATION PROVIDED <br />1/150 Rule <br />1/300 Rule <br />Ridge <br />Off -Ridge <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 />SQ. FT. <br />Total SQ. <br />SQ. FT. <br />SQ. IN. of <br />by Upper <br />SQ. 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 />soffit <br />ventilation <br />vented <br />be provided <br />Ventilation <br />Ventilation <br />(See Elev) <br />required <br />needed <br />required <br />soffit <br />by upper <br />needed <br />ventilators <br />Main <br />0 <br />0 <br />Floor <br />30 <br />29 <br />4 <br />14 <br />1 <br />7 <br />0.0 <br />0.0 <br />(Zone 1) <br />Upper <br />16 <br />2 <br />Floor <br />1820 <br />1747 <br />250 <br />874 <br />62 <br />437 <br />516.0 <br />240.0 <br />276.0 <br />(Zone 2) <br />—NOTE" <br />GENERAL CONTRACTOR MUST ENSURE THAT PROPER VENTILATION IS PROVIDED AT EAVES/SOFFITS AS <br />REQUIRED BY FLORIDA BUILDING CODE 7TH EDITION (2020) RESIDENTIAL. <br />M — — — � — — — � � � � — — — — — — — — — — — — — � — — — — — — — — — — — — — — — — <br />ZONE-1 <br />0 ATTIC SPACE <br />30 SQ. FT. <br />Lo 5:12 <br />SLOPE <br />512 SLOPE <br />:3 <br />4'-0" ROOF VENT <br />,�:12 SLOPE 01 <br />RIDGE <br />Lp <br />RIDGE 0- <br />0 <br />_j <br />1 V-0" RIDGE VENT Cn <br />4'-0" ROOF VENT N <br />Lh <br />RIDGE <br />L <br />F-O" RIDGE VENT <br />uj <br />0- <br />0 <br />(n <br />ZONE-2 <br />ATTIC SPACE <br />1820 SQ. FT. <br />si- <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 / SQ. 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 />9 LOMANCO DECK -AIR (Shingle Roo� - 9 SO. 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 />ROOF PLAN — ELEV—Bl <br />SCALE:)/4"-1' 0" <br />4 — — I <br />LAJ <br />C= <br />co <br />Cc a- <br />-cl <br />W <br />C3 C-L <br />5: JE <br />CL) cz <br />(j <br />W cu _Cj <br />3 Cj <br />a, <br />E <br />CL <br />kiv <br />A <br />01�, <br />10 <br />To the best of the Engineer's knowledge, information and belief, <br />the structural <br />plans and specifications contained within these <br />drawings comply with the 2020 <br />Florida Building Code - <br />Residential <br />7th Edition. Engineer's signature and seal is only for <br />the structural <br />engineering portions of the drawing pages bearing <br />Engineers <br />signature and seal. <br />C) E <br />n 8 <br />U <br />(0 0 <br />R <br />Z 12 s <br />C', C:, <br />M LL U_ <br />12 <br />z <br />o, ': "T 1 <br />W <br />0 0 <br />C� Z� 5 <br />(0 r- 0 <br />02 C, <br />W <br />co C 0 <br />LO Z < <br />ce) <br />W 0 <br />b <br />z <br />W <br />17710 <br />< <br />< <br />Ln <br />C� <br />0 <br />V) <br />LLJ <br />U) <br />Uj <br />8 <br />U) <br />< <br />Id <br />C=� <br />c.0 <br />E <br />z @ <br />I.CT 6 <br />00 <br />cc <br />:�' E <br />Q0 <br />0 < <br />'< <br /><1 <br />z <br />fu <br />.5 t <br />< z <br />0 <br />z <br />CO M <br />C <br />. <br />i � <br />< <br />-2 <br />10 <br />-0. <br />z <br />< <br />1z <br />ame <br />0< <br />'0 <br />z <br />son <br />c- <br />> <br />r <br />0 E <br />0 <br />.0 <br />L0 <br />L0 <br />< <br />0— <br />cle) <br />co <br />T_ <br />1:T <br />:3 0 <br />CT <br />0 <br />0 <br />C) <br />Q <br />U) 2 <br />00 <br />ca <br />LO <br />0 <br />T_ <br />< <br />0 <br />LL c) <br />0") <br />-14 N <br />0 C=) <br />C:) <br />co F4 <br />00 <br />LO <br />C10 <br />oo <br />L0 U') <br />E <br />2i, <br />E co <br />1�0 <br />0 <br />�E <br />M <br />z <br />:3 <br />E T__ <br />i� <br />E <br />0 -�-; <br />0 <br />4i <br />— <br />cc <br />< 0 <br />JOB <br />NO: <br />23-06140 <br />SCALE : <br />AS NOTED <br />SHEEr NO. <br />5 <br />— __ I ___ k — I I 1 0 11 -1 .1 A, —.1 _. , I 1 11 ., i d 14 — - ___ - — __ I - <br />