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z <br />S <br />Cd- <br />0 <br />ra <br />N <br />r` <br />n <br />r` <br />I <br />00 <br />i <br />m <br />X <br />LO <br />N <br />iY <br />N <br />b <br />S <br />J <br />r\ <br />r` <br />02 <br />00 <br />ry <br />Er <br />ATTIC VENTILATION CALCULATIONS - 131 <br />ATTIC VENTILATION REQUIRED <br />UPPER VENTILATION PROVIDED <br />1/150 Rule <br />1/304 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 />1N. 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 />( ) <br />required <br />needed <br />required <br />soffit <br />by upper <br />needed <br />ventilators <br />Main <br />0.000000 <br />0.000000 <br />Floor <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />0.0 <br />0.0 <br />0.0 <br />(Zone 1) <br />Upper <br />9 <br />2.000000 <br />Floor <br />1533 <br />1472 <br />210 <br />736 <br />53 <br />368 <br />411.0 <br />276.0 <br />(Zone 2) <br />135.0 <br />**NOTE** <br />GENERAL CONTRACTOR MUST ENSURE THAT PROPER VENTILATION IS PROVIDED AT EAVES/SOFFITS AS <br />REQUIRED BY FBC 6th ED. RESIDENTIAL. <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 />R703.7 Exterior plaster. <br />Installation of these materials shall be in compliance with ASTM C <br />926 and ASTM C 1063. <br />R703.7.1 Lath. <br />All Lath and lath attachments shall be of corrosion -resistant <br />materials. Attached per ASTM C 1063. <br />R703.7.2 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 />R703.7.3 Water -Resistive Barriers. <br />Water -resistive 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 (paper <br />backed stucco lath) over an approved synthetic house wrap. <br />R703.4 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 constructions 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 6th Edition <br />(2017) 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 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 />(Values to be verified with Manufacturer Specifications) <br />• RIDGE VENTS 15 80. 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 />t Sew E� la "}i i =fir <br />"o, <br />M <br />— o <br />zco <br />z <br />c!; <br />z <br />N C3 <br />w <br />p w <br />, <br />.� ) <br />�r- <br />C.) <br />° <br />m <br />LU <br />H— E <br />— $ <br />_ <br />N M <br />m M <br />mawMi <br />O o 0 <br />Usky <br />< o <br />tLL oo <br />aCrn <br />0 <br />��v <br />M < d <br />Al <br />N C B D C <br />Ir®®'/ Ili <br />N <br />W � Z z <br />coo W W <br />LL - <br />V Q Ep,!: t5 <br />W L <br />O 7sr�m� yrya <br />W <br />LL�"+I'A A <br />Lft 41 A <br />c� <br />�. ww ��, • D .i <br />s• <br />To the best of the Engineers knowledge, information and belief, <br />the structural plans and specifications contained within these <br />drawings comply with the 2017 Florida Building Code - <br />Residential 6th Edition. Engineer's signature and seal is only for <br />the structural engineering portions of the drawing pages bearing <br />Engineer's signature and seal. <br />4600 W. Cypress St, Suite 2001 Tampa, FL 33607 <br />www.LennarTampa.com <br />Z <br />0 <br />zZ¢ <br />W CiY� <br />�a�00 <br />z w Q . <br />Mz <br />�o <br />Q <br />L <br />zo <br />Ez <br />g <br />z <br />C: <br />cL <br />I- <br /><C <br />© <br />-� <br />U <br />J <br />CL <br />000 <br />Q U <br />Oul <br />h <br />, ` <br />O <br />�O n <br />izma <br />CL <br />Y <br />Ow�� <br />Z <br />z <br />T"i <br />aa�o <br />E' s � <br />w <br />J <br />Ln <br />r-i <br />tLi <br />jj <br />=LOU z8 <br />F < v <br />gFl- <br />z <br />Q <br />Z <br />z <br />�j <br />< <br />9 o 8 <br />04 <br />O <br />06 <br />: <br />_ <br />zi <br />¢ <br />rn <br />,--t <br />a <br />V) <br />o <br />SCALE : AS NOTED <br />DATE : 11 /2/2018 <br />TECH: KFRAZER <br />VERSION NO. <br />5ol <br />SHEET NO. <br />5.0 <br />