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AMC ventilation Attic Ventilation to be in compliance with the Florida Building Code 5th Edition (2014) Residential R806. The Minimum net free ventilating area shall be 1/150 of the area of the vented space. The ventilating area may be reduced to 1/300 provided that at least 40% but no more than 50% of the required ventilation is provided in the upper portion o the space to be ventilated. Upper ventilators shall be located no more than 3 feet (D (0 (measured vertically) below the ridge or highest point of the space, with the balance of the required ventilation provided by eave or cornice vents. VENTED SOFFIT 4$ SQ. FT. -CALCULATIONS BASED ON THE FOLLOWING VALUES, SEE ROOF PLAN (D - (Values to be verified with Manufacturer Specifications) • RIDGE VENTS 15 SQ. IN. OF NET FREE AREA /LINEAR FT. • OFF -RIDGE VENTS 138 SQ. IN. OF NET FREE AREA / UNIT ............... ......... ......... • SOFFIT VENTS 7 SQ. IN. OF NET FREE AREA / SQ. FT. co *If not enough vented soffit is provided due to fire protection, the contractor shall use the following approved vents: •.::� • LOMANCO DECK -AIR (Shingle Roof)- 9 SQ. IN. OF NET FREE AREA / FT. -Formula: (Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed) / 9 = (Unear Ft. of Deck -Air Needed) • O'HAGIN (Tile Roof) - 86.25 SQ. IN. OF NET FREE AREA I VENT • �; I **Formula: (Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed) / 86.25 = Amount of O'Hagin Vents Needed .I o o :.1 •:jj� �i �1j ZONE-3 •�•� 7.7. ATTIC SPACE ••7 wl 3366 SQ. FT. +;d :i� •'•I •'.1 •'•1ii 11 :• •o. •i LL. +'� ILL ;.1 fl 'l LLLIL •� LL O 0 Ln W '•'LU •I t— Z Z l •��ii1 ••�ii1 ••�I A l ..1 .'� •��I •.+� •;� •+ " ILL �— Q � o .� A W ••� :� : VENTED SOFFIT 9 SQ, FT. ' VENTED SOFFIT 4 SQ. FT.L VENTED SOFFIT 4 SQ. FT. ROOF PLAN -A_ SCALE: %4"=1'-0" ATTIC VENTILATION CALCULATIONS - A ATTIC VENTILATION REQUIRED UPPER VENTILATION PROVIDED 1/150 Rule 1/300 Rule Ridge Vent Amt (No Upper Ventilators (Must Provide Upper Ventilators) (Ft.) Off -Ridge Amt. Req.) Total Ventilation ATTIC Provided by SPACE SQ. IN. of SQ. FT. SQ. IN. of Upper SQ. FT. Total SQ. of ventilation to Ventilators ventilation of vented IN. of vented be provided SQ. IN. of SQ. IN. of (See Elev) required soffit ventilation soffit by upper Ventilation Ventilation needed required needed ventilators L00 — Main 22.0 3.0 Floor 3366 3231 462 1616 115 808 744.0 (Zone 3) 330.0 414.0 0.0 0.0 0 0 0 0 0 0 0.0 ••� 0.0 0.0 0.0 0.0 0 W 0 0 0 0 0 0 0.0 ol- W 0.0 0.0 **NOTE** GENERAL CONTRACTOR MUST ENSURE THAT PROPER VENTILATION IS PROVIDED AT EAVES/SOFFITS AS Wj 0 7— -y o REQUIRED BY FBC 5th ED. RESIDENTIAL. VENTED SOFFIT LEGEND IF SOFFIT IS LABELED AS "NON -VENTING" FIRE PROTECTION WILL BE INSTALLED AS REQUIRED BY SECTION R302 OF THE FBC 5th EDITION (2014) RESIDENTIAL . IF LABELED AS "VENTED", NO FIRE PROTECTION WILL BE REQUIRED. :%71 -------------- VENTED SOFFIT � c LU Z Q O 0 O n LLU n W cod .}.J LLi O rcc Lo V o U d M r.L9 C t6 Cl) i— EE M — cg O o0 U y D Y I::- 0) CL 8 ,o o v Q rn d A1 N C B D C M •V J = 4�'G�1-Mi� C - L.L W �NM� LL00 oti � CD W aNaM� � �'o a� 0 m o To the best of the Engineer's knowledge, information, and belief, the structural plans and specifications contained within these drawings comply with the Florida Building Code 5th Edition (2014) Residential. Engineer's signature and seal is only for the structural engineering portions of the drawing pages bearing Engineer's signature and seal. Z N O a� r\ I M In z ON > +�MO M fl. Q E 00 z� f° WJ 110 d- oZ W LPL o zt —`Cn w � a Q W G , UI—gsno0 Oz aU Z >Uj LJJ - � U i Q a ZWI—Z �p�aC JW V o OUt—�SzO J rl Ln rl win00'Cle, Uj � z O �~z0°O O�wUJ 5Iw- 0 uZ,O��O�Z ft3 z A Uw�Z00 Q F- 1 �wOwza O Q ��aQoo LL JOz<C z � � O � > �-- Z 0 SCALE : AS NOTED PLOT DATE: 12/7/2012 TECH: ERAND VERSION NO. 100 JOB N0: 17-1799 SHEET NO. 4 � c LU Z Q O 0 O n LLU n W cod .}.J LLi O rcc Lo V o U d M r.L9 C t6 Cl) i— EE M — cg O o0 U y D Y I::- 0) CL 8 ,o o v Q rn d A1 N C B D C M •V J = 4�'G�1-Mi� C - L.L W �NM� LL00 oti � CD W aNaM� � �'o a� 0 m o To the best of the Engineer's knowledge, information, and belief, the structural plans and specifications contained within these drawings comply with the Florida Building Code 5th Edition (2014) Residential. Engineer's signature and seal is only for the structural engineering portions of the drawing pages bearing Engineer's signature and seal. Z N O a� r\ I M In z ON > +�MO M fl. Q E 00 z� f° WJ 110 d- oZ W LPL o zt —`Cn w � a Q W G , UI—gsno0 Oz aU Z >Uj LJJ - � U i Q a ZWI—Z �p�aC JW V o OUt—�SzO J rl Ln rl win00'Cle, Uj � z O �~z0°O O�wUJ 5Iw- 0 uZ,O��O�Z ft3 z A Uw�Z00 Q F- 1 �wOwza O Q ��aQoo LL JOz<C z � � O � > �-- Z 0 SCALE : AS NOTED PLOT DATE: 12/7/2012 TECH: ERAND VERSION NO. 100 JOB N0: 17-1799 SHEET NO. 4