Laserfiche WebLink
VENTED SOFFIT <br />VENTED SOFFIT <br />40 SQ. FT. <br />VENTED SOFFIT <br />61 SQ. FT. <br />ATTIC VENTILATION CALCULATIONS <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 />pp <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 />ventilation of vented <br />IN. of <br />of <br />vented <br />ventilation to <br />be provided <br />SQ. IN. of <br />SQ' IN. of <br />Ventilators <br />(See Elev ) <br />required soffit <br />ventilation <br />soffit <br />by upper <br />Ventilation <br />Ventilation <br />needed <br />required <br />needed <br />ventilators <br />Main <br />20.00000 <br />2.000000 <br />Floor <br />2276 <br />2185 <br />312 <br />1092 <br />78 <br />546 <br />0 <br />576.0 <br />300.0 <br />276.0 <br />(Zone 1) <br />**NOTE** <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 />71 <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. <br />IF <br />LABELED AS "VENTED", NO FIRE PROTECTION WILL BE REQUIRED. <br />VENTED SOFFIT <br />VENTED SOFFIT <br />42 SQ. FT. <br />ROOF PLAN <br />SCALE: %4'=1'-0" <br />General Notes <br />ROOF CRITERIA: <br />• 12" OVERHANG U.N.O. <br />• PLUMB CUT FASCIA ROOF <br />• PITCH PER ELEVATION <br />**G.C. VERIFY ROOF PITCH** <br />ROOF PITCH VARIES PER SUBDIVISIONS IT IS THE <br />CONTRACTORS RESPONSIBILITY TO VERIFY <br />ROOF SLOPE REQUIREMENTS WITH TRUSS <br />MANUFACTURER. <br />**ELECTRICAL SPECIFICATION NOTES** <br />ELECTRICAL CONTRACTOR MUST VERIFY WITH <br />THE SPECIFICATIONS FOR THE TYPE OF FIXTURE <br />TO BE USED. LIGHT FIXTURES SHOWN ARE FOR <br />LOCATION PURPOSES. <br />Exterior Covering <br />R703.6 Exterior plaster, <br />Installation of these materials shall be in compliance with ASTM C <br />926 and ASTM C 1063. <br />R703.6.1 Lath. <br />All Lath and lath attachments shall be of corrosion -resistant <br />materials. Attached per ASTM C 1063. <br />R703.6.2 Plaster. <br />Plastering w/ portland cement plaster shall be not less than three <br />coats when applied over metal lath or wire lath and shall be not <br />less than two coats when applied over masonry, concrete. <br />R703.6.3 Water-Resisitive Barriers. <br />Water-resisitive barriers shall be installed where cement plaster <br />(stucco) is to be applied over wood -based sheathing, shall include <br />a water -resistive vapor -permeable barrier. The individual layers <br />shall be installed independently such that each layer provides a <br />separate continuous plane and any flashing intended to drain to <br />the water -resistive barrier is directed between the layers. The <br />barriers shall consist of one of the following. <br />1. Two layers of an approved water resistant barrier material in <br />accordance with R703.2. <br />2. One layer of an approved water -resistive barrier (paperbacked <br />stucco lath) over an approved synthetic house wrap. <br />R703.8 Flashing. <br />Approved corrosion -resistant flashing shall be applied <br />shingle -fashion in a manner to prevent entry of water into the wall <br />cavity or penetration of water to the building structural framing <br />components. Flashing shall be installed at the following locations. <br />• Exterior window/door openings. <br />• Intersection of chimneys or other masonry contructions with <br />frame walls. <br />• Under and at the ends of masonry, wood or metal copings <br />and sills. <br />• Continuously above all projecting wood trim. <br />• Where exterior porches, decks or stairs attach to a wall or <br />floor assembly of wood -frame construction. <br />• At wall and roof intersections <br />• At Built-in gutters. <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 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 o <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 save or comics vents. <br />**CALCULATIONS BASED ON THE FOLLOWING VALUES, SEE ROOF PLAN** <br />(Values to be verified with Manufacturer Specifications) <br />• RIDGE VENTS - 15 SQ. IN. OF NET FREE AREA / LINEAR FT. <br />• OFF -RIDGE VENTS - 138 SO. IN. OF NET FREE AREA / UNIT <br />• SOFFIT VENTS - 7 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 />• O'HAGIN (Tile Roof) - 86.25 SQ. IN. OF NET FREE AREA / VENT <br />"Formula: (Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed) / 86.25 = Amount of O'Hagin Vents Needed <br />0� <br />zM <br />— o <br />z <br />Q <br />a <br />U <br />W cn <br />4--J w <br />°U — <br />Q w <br />ff)� <br />I- <br />E <br />o <br />co <br />OM <br />(� U <br />m <br />(, M <br />LLI <br />o <br />— U <br />CM c MM <br />m :v_ 0 <br />000 <br />= ai N <br />rn <br />-LL 00 <br />o M ^ <br />Y <br />Q m <br />O � <br />CL <br />d) Q O <br />N C B D C <br />kL^3r,,"EA <br />F <br />a <br />".�v M <br />4 <br />"`,tip <br />IBM- <br />f�' <br />Z• a � <br />cd A'Ef <br />R <br />LL <br />M <br />;0 <br />N <br />W -N C") <br />J <br />LL, o <br />OU <br />U m �-- <br />❑ ❑ ❑ <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. Engineer's signature <br />and seal is only for the structural engineering portions of <br />the drawing pages bearing Engineer's signature and seal. <br />1f <br />O <br />O <br />Z N <br />0 a; r� <br />'Q0 <br />0 <br />> M O <br />M <br />Q l !? <br />a- nN <br />< �1 U_ M <br />I— <br />U M< z <br />Z ?i E <br />W W O � <br />�� <br />s <br />01 <br />ce <br />LU <br />zg <br />f¢ <br />rZ80 <br />r2 ell <br />p w z <br />J uu <br />J <br />8��N <br />W <br />mz0 <br />� W <br />ON <br />Z Z <br />Y 8 <br />z <br />p <br />fu <br />0 <br />O <br />> <br />Q <br />z <br />Z <br />U <br />iL <br />LU <br />W <br />O LL <br />OR z <br />I— <br />o <br />F <br />O <br />cc <br />ou <br />f V <br />Wo <br />Qo <br />Q <br />r,4 <br />Q W <br />5� <br />g <br />Y 0LL <br />z <br />z <br />UJ <br />fV <br />Ln <br />o <br />WZF- <br />, 2 z <br />J <br />rf <br />W <br />O <br />RV <br />O1 <br />Q <br />Q <br />z <br />UJZ <br />Ce <br />k <br />~ <br />z <br />tu-�z <br />a <br />JO <br />0 <br />Q <br />J <br />= <br />a z <br />to <br />SCALE : AS NOTED <br />DATE : 2/24/2014 <br />TECH: MJAMES <br />VERSION NO' 10 <br />SHEET NO. <br />5.0 <br />