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r- <br />LO <br />CD <br />9! <br />L0 <br />C14 <br />C'4 <br />�0 <br />0 <br />�02 <br />Cn <br />W <br />E <br />CD <br />r. <br />00 <br />CD <br />C"I <br />C> <br />Cn <br />ATTIC VENTILATION CALCULATIONS - A <br />ATTI C VE NTI LATION REQ U I RE D <br />UPPER VENTILATION PROVIDED <br />11150 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 <br />of vented <br />IN of <br />ot <br />ventilation to <br />SQ. IN. of <br />SQ IN of <br />Ventilators <br />ventilation <br />soffit <br />ventilation <br />v ented <br />be provided <br />Ventilation <br />' ' <br />Ventilation <br />(See Elev) <br />required <br />needed <br />required <br />soffit <br />by upper <br />needed <br />ventilators <br />Main <br />23.0 <br />1.0 <br />Floor <br />2719 <br />2610 <br />373 <br />1305 <br />93 <br />653 <br />483.0 <br />345.0 <br />138.0 <br />(Zone 1) <br />—NOTE" <br />GENERAL CONTRACTOR MUST ENSURE THAT PROPER VENTILATION IS PROVIDED AT EAVESISOFFITS AS <br />REQUIRED BY FBC 6th ED. RESIDENTIAL. <br />ROOF PLAN - ELEV-A, <br />SCALE: Y4"=l'-O" <br />General Notes <br />ROOF CRITERIA: <br />0 12" OVERHANG U.N.O. <br />0 PLUMB CUT FASCIA ROOF <br />0 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 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 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 eave or cornice vents. <br />—CALCULATIONS BASED ON THE FOLLOWING VALUES, SEE ROOF PLAN** <br />(Values to be verified with Manufacturer Specifications) <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 />1f not enough vented soffit is provided due to fire protection, the contractor shall use the <br />following approved vents: <br />9 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 />C) <br />CO <br />C14 <br />10-07.�­ <br />Cz <br />4--J U-1 <br />U <br />0 LU <br />C2:� <br />Lh <br />ZZ) <br />E <br />0 <br />�2 Cl) <br />C) <br />C" <br />LU <br />E <br />8 <br />S) ca CC2) <br />-0 C') <br />ai <br />sop <br />[2 <br />o 'a 04 <br />0 C:) <br />�c U_ 00 <br />00 <br />0 co" <br />6 <br />C, - CL C> <br />:i 2i: <br />< <br />A <br />N,C 5 D*C <br />U) s <br />z UJ S� 2 Z" <br />C9 <br />U) <br />Im <br />ED P. <br />LU <br />C 1 Z_ <br />0 T 9, ge) <br />E_ <br />z B C"� <br />LL LU :2 1< <br />U <br />WW* 9ENG.c <br />S <br />< <br />'17 <br />a <br />To the best of the Engineer's 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. Engineers signature and seal is only for <br />the structural engineering portions of the drawing pages bearing <br />Engineers signature and seal. <br />LENNAR <br />4600 W. Cypress St, Suite 200 1 Tampa, FL 33607 <br />www.LennarTampa.com <br />0 z <br />0 <br />z <br />UJ <br />U 00 <br />EU0 <br />plaww <br />zuj�< <br />U <br />t=)zz <br />I z <br />Cc <br />LU 14 <br />< <br />R <br />z zu <br />0 <br />0 <br />< <br />2: z <br />Z� <br />z <br />-0 <br />Ln <br />D <br />M <br />U_ <br />2: <br />L_ <br />9L.0 <br />0 <br />21 <br />0 <br />0 <br />< <br />:� W <br />29: <br />U <br />rq <br />r1e) <br />rr- <br />R Zo <br />M P <br />u, <br />U 0 <br />n-4 <br />0 a< <br />Z <br />< <br />L0 <br />09 W <br />z <br />C�4 <br />2 E5 <br />z <br />LU <br />Lr) <br />LLJ <br />di <br />& -z <br />U) i5 U, <br />'< <br />LU 0 <br />r-4 <br />110 <br />I- <br />Z <br />W z <br />< 0 <br />"D <br />Z <br />aul <br />z <br />Ln 2 <br />0 <br />06 <br />UJ <br />V) <br />z <br />rn <br />T-4 <br />0. <br />(n <br />C <br />SCALE AS �OTED' <br />DATE 10/2/2018 <br />TECH: IVIJAIVIES <br />VERSION No' 42 <br />SHEET NO. <br />5.1 <br />_KV — - -I- I T F __ —17-1 1 _; I __ I <br />',jL kj� <br />