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F <br />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 11150 of the area of the vented <br />space. The ventilating area may be reduced to 11300 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 />(D <br />(Values to be verified with Manufacturer rer Specification <br />s) <br />• RIDGE VENTS 15 SQ. IN. OF NET FREE AREA / LINEAR FT. <br />OFF -RIDGE VENTS 138 SQ. IN. OF NET FREE AREA / UNIT <br />........................................................................................................... ............................... • . SOFFIT VENTS 7 SQ. IN. OF NET FREE AREA / SQ. FT. <br />orrr +ir. •+rs •...r � � � � � � .r.r. •+rr •...r •r.r. ,r.r. •.... •r.r. •.rrr •r.ra •r.ar •.rr. •wr •+rr •err •.r�r •aw •+rr •r.r. •.y.s •..rr •r.rs •+rr •..... •+.rs � � � - - - •rr. •rrr •+rr •..... •+rr •r.r� •+rr <br />•� •� ; , • O'HAGIN WEATHERMASTER (Shingle Roof) - 72 SQ. IN. OF NET FREE AREA/ FT. <br />** (Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed) 172 = Amount of O'Hagin Vents Needed <br />�•� � <br />(D M n <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)19 = Linear Ft. of Deck -Air Needed) <br />�'.:•' • O'HAGIN (Tile Roof) - 86.25 SQ. IN. OF NET FREE AREA / VENT <br />' �:I • • • Formula: (Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed)/ 86.25 = Amount of allagin Vents Needed <br />X... • <br />ZONE-1 <br />ATTIC SPACE 3038 SQ. FT. •.•. <br />l <br />7.1 <br />f•'LL- <br />. <br />:.��• <br />Cr <br />LL. <br />Lj— <br />O <br />c!) .. ` cn <br />W ..� !'• W <br />LZ �':.: L J <br />7.%71`�•. <br />:.� t' :.71 <br />.� <br />.•� . <br />7. <br />. ''� �.•. <br />:•� f <br />�'. <br />f•:•:: <br />.•:� ... ..................... .. '•:� h•' . <br />.. <br />ROOF PLAN -A <br />y SCALE: %4"=V-0" <br />ATTIC VENTILATION CALCULATIONS - A <br />ATTIC VENTILATION REQUIRED UPPERVENTIlATIONPROVIDED <br />1/150 Rule 1/300 Rule Ridge Vent Amt (No Upper Ventilators (Must Provide Upper Ventilators) (Ft.) Off -Ridge Amt. <br />Req.) <br />. <br />Total Venti <br />lation <br />ATTIC Provided by <br />SPACE SQ. FT. Total SQ. SQ. FT. SQ. IN. of Upper <br />SQ. IN. of of ventilation to Ventilators <br />of vented IN, of SQ. IN. of SQ. IN. of (See Elev) <br />ventilation vented be provided <br />required soffit ventilation soffit by upper Ventilation Ventilation <br />needed required needed ventilators <br />Main 34.0 3.0 <br />Floor 3038 2916 417 1458 104 729 924.0 <br />(Zone 1) 510.0 414.0 <br />0 0 0 0 0 0 °.o o.o <br />: <br />o.o <br />0.0 0.0 <br />0 0 0 0 0 0 0.0 0.0 0.0 <br />0.0 0.0 <br />**NOTE** <br />VENTED SOFFIT 4 SQ. FT. <br />GENERAL CONTRACTOR MUST ENSURE THAT PROPER VENTILATION IS PROVIDED AT EAVES/SOFFITS AS <br />REQUIRED BY FBC 5th ED. RESIDENTIAL. <br />VENTED SOFFIT LEGEND <br />IF SOFFIT IS LABELED AS "NON -VENTING" FIRE PROTECTION WILL BE INSTALLED <br />AS REQUIRED BY SECTION R302 OF THE FBC 5th EDITION (2014) RESIDENTIAL. IF <br />LABELED AS "VENTED", NO FIRE PROTECTION WILL BE REQUIRED. <br />VENTED SOFFIT <br />VENTED SOFFIT 13 SQ. FT. <br />z� <br />— o <br />z <br />z� <br />Q <br />J <br />z <br />n� <br />w <br />OW ~ <br />CLI O <br />V7 � <br />D <br />0 <br />co <br />,1� /rj m ti <br />lJ tv M <br />I_ E � t`00 <br />— � O oaM <br />W co <br />0.2 <br />C <br />Q m <br />A , NC <br />13Z. <br />, <br />D*,x <br />Cg / <br />B ®® $� 6 <br />= <br />U O <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 />Code 5th Edition (2014) Residential. 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