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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 />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 f vented ted <br />ventilation <br />IN. of <br />of <br />vented <br />ventilation to <br />be provided <br />SQ. IN. of <br />. . <br />SQINof <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 />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 />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 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 />• 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 />• O'HAGIN WEATHERMASTER (Shingle Root) - 72 SQ. IN. OF NET FREE AREA/ FT. <br />** (Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed) / 72 = Amount of O'Hagin Vents Needed <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 Dock -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 />(� <br />z0 <br />z� <br />Q <br />J <br />i2 <br />V) CD <br />N <br />L U <br />f� o <br />'U <br />OLU <br />V Lv <br />E <br />0 <br />~ <br />o Mo m r~ <br />U <br />L LI <br />a)M <br />C m M <br />�- E <br />— L <br />cm -a N <br />O o 0 <br />U <br />0cli <br />CD <br />4 <br />Qrn <br />Qo <br />tr) o V <br />rnQo <br />A1 <br />RD <br />N C B D•C <br />1 <br />>s <br />n <br />�» <br />o <br />�, <br />YY <br />CkN <br />� <br />Zaaa� <br />aLLW <br />;°a`,�� <br />N Q •(� P+ p e q <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 />CD <br />CD <br />Z N <br />O a) r-, <br />P-.t � (=) <br />> to M O <br />Q U0 "� Ln <br />°— .L <br />V) <br />a W U_Ln <br />�- <br />I— j <br />Q7 U rCL v 00 <br />Q <br />E <br />z <br />WJ 0 <br />d- <br />0z <br />z as <br />�a <br />r~ <br />z°O <br />Iz-azod <br />a w Z <br />rrsyyy <br />L O <br />W <br />m z <br />° <br />Z Z <br />° <br />Q <br />Ln <br />Z <br />ON <br />Ln3 <br />o <br />o <br />> <br />r—I <br />ZQ <br />J a <br />U <br />J <br />L <br />L1— <br />ZO <br />a ��j r <br />� <br />'I ^ <br />0 <br />O 6 <br />N <br />0 <br />Cr <br />�a�a <br />o�od <br />a <br />d- <br />~�L� <br />�zo <br />Z <br />Z <br />LU <br />N <br />L1) <br />000 <br />03�-Z <br />J <br />LLJ-8Z8 <br />� <br />Q <br />�Ya <br />N <br />M <br />T'{ <br />Q <br />Z <br />�~o <br />aLuz <br />a U) <br />m <br />O <br />^ <br />QZ <br />l <br />2 <br />az <br />rn <br />,-i <br />a <br />cn <br />SCALE : AS NOTED <br />DATE : 2/24/2014 <br />TECH: MJAM ES <br />VERSION NO. 10 <br />SHEET NO. <br />5.0 <br />