35976 Saddle Palm Way - Laserfiche WebLink

Browse Search

ATTIC VENTILATION CALCULATIONS - B General Notes ATTIC VENTILATION REQUIRED UPPER VENTILATION PROVIDED ROOF CRITERIA: 0 12" OVERHANG U.N.O. 1/150 Rule Ridge 0 PLUMB CUT FASCIA ROOF (No Upper Ventilators 11300 Rule Vent Amt Off -Ridge 4, PITCH PER ELEVATION Req.) (Must Provide Upper Ventilators) (Ft.) Amt. **G.C. VERIFY ROOF PITCH** Total ROOF PITCH VARIES PER SUBDIVISIONS IT IS THE Ventilation CONTRACTORS RESPONSIBILITY TO VERIFY ROOF ATTIC SQ. FT. SQ. IN. of Provided SLOPE REQUIREMENTS WITH TRUSS MANUFACTURER. SPACE SQ. FT. Total SQ. by Upper SQ. IN. of of vented IN of of ventilation to SQ IN. of SQ. IN. of Ventilators "ELECTRICAL SPECIFICATION NOTES" ventilation vented be provided (See Elev) required soffit ventilation soffit by upper Ventilation Ventilation ELECTRICAL CONTRACTOR MUST VERIFY WITH THE needed required needed ventilators SPECIFICATIONS FOR THE TYPE OF FIXTURE TO BE USED. LIGHT FIXTURES SHOWN ARE FOR LOCATION PURPOSES. Main 23.0 1.0 Exterior Covering Floor 2719 2610 373 1305 93 653 483.0 (Zone 1) 345.0 138.0 R703.7 Exterior plasI:er. — ----------- Installation of these materials shall be in compliance with ASTM C cb "NOTE** 926 and ASTM C 1063. GENERAL CONTRACTOR MUST ENSURE THAT PROPER VENTILATION IS PROVIDED AT EAVES/SOFFITS AS REQUIRED BY FBC 6th ED. RESIDENTIAL. R703.7.1 Lath. All Lath and lath attachments shall be of corrosion -resistant materials. Attached per ASTM C 1063. R703.7.2 Plaster. Z NE-1 Plastering wl portland cement plaster shall be not less than three W coats when applied over metal lath or wire lath and shall be not CL 0 ATJIC SPACE less than two coats when applied over masonry, concrete. CO 04 R703.7.3 Water-Resisitive Barriers. 6 Water-resisitive barriers shall be installed where cement plaster 112*8 SQ. FT. (stucco) is to be applied over wood -based sheathing, shall include .. ...... a water -resistive vapor -permeable barrier. The individual layers shall be installed independently such that each layer provides a separate continuous plane and any flashing intended to drain to the water -resistive barrier is directed between the layers. The barriers shall consist of one of the following. 1. Two layers of an approved water resistant barrier material in accordance with R703.2. 2. One layer of an approved water -resistive barrier (paperbacked stucco lath) over an approved synthetic house wrap. R703.4 Flashing. Approved corrosion -resistant flashing shall be applied .......... ............. shingle -fashion in a manner to prevent entry of water into the wall 0 5-12 SLOPE 5:12 SLO% cavity or penetration of water to the building structural framing ns. components. Flashing shall be installed at the following locatio * Exterior winclow/door openings. 0 Intersection of chimneys or other masonry construction with frame walls. 0 Under and at the ends of masonry, wood or metal copings and sills. 0 Continuously above all projecting wood trim. ILI+ EL 0 Where exterior porches, decks or stairs attach to a wall or floor assembly of wood -frame construction. At wall and roof intersections C14 '512 SLOP At Built-in gutters. ........................................... ........... .......... I . 3 .............. ...................... ................... .......... R703.12 Adhered masonry veneer installation Adhered masonry veneer shall be installed in accordance with the manufacturers instructions. uJ 0 Attic Ventilation Attic Ventilation to be in compliance with the Florida Building Code 6th Edition (2017) Residential R806. The Minimum net free ventilating area shall be 1/150 of the area of the vented ZONE-4 ......... space. The ventilating area may be reduced to 1/300 provided that at least 40% ...... : ...................... but no more than 50% of the required ventilation is provided in the upper portion of the space to be ventilated.Upper ventilators shall be located no more than 3 ATTIC SPACE Lu feet (measured vertically) below the ridge or highest point of the space, with the balance of the required ventilation provided by eave or comice vents. -CALCULATIONS BASED ON THE FOLLOWING VALUES, SEE ROOF PLAN - (Values to be verified with Manufacturer Specifications) 0 .... 14 22 SQ. FTE o RIDGE VENTS 15 80. IN. OF NET FREE AREA / LINEAR FT. o OFF -RIDGE VENTS 138 SO. IN. OF NET FREE AREA / UNIT o SOFFIT VENTS 7 SO. IN. OF NET FREE AREA / SO. FT. z 5:12 SLOPE W *lf not enough vented soffit is provided due to fire protection, the contractor shall use the > .......... ... RIDGE following approved vents: U-*.* ........... 04 0 LOMANCO DECK -AIR (Shingle Roof) - 9 SO. IN. OF NET FREE AREA / FT. r_ 0 -Formula: (Sq. Ft. Soffit Needed) x 7 m (Sq. In. Needed) / 9 = (Unear Ft. of Deck -Air Needed) LO cc 17'-O'RIDGE VENT o O'HAGIN (Tile Roof) - 86.25 SQ. IN. OF NET FREE AREA / VENT Formula: (Sq. Ft. Soffit Needed) x 7 - (Sq. In. Needed) / 86.25 - Amount of O'Hagin Vents Needed 116.0 ....... ........ L0 . ..... ................. a. M C14 N 0 -0 C' z ...... . LU : . . :::: ........ : ........... 5:12 SLOPE > + LLJ . ........................................ 9 60 LO .......... ... %ohm Omer ........... LU 4% a 5:12 SLOPE 0 + z Lu > uJ E 5-12 SLOPE 9 J .......... 9 W a. A 0 i C-14 EE C14 19 EJ_ X CL ROOF PLAN ELEV-B- SCALE: Y4"=1'-0" CD !9 LU 0 LU C) LU 13 I-- 0 GO N-C-B-D-C eq y L& LU LU Z V co rA i 9 La LM z OMO' LU 1,11-i-111-taUli � n 0 z S E b < 4d6 O< C) .... .. 0 FES To the best of the Engineers knovAedge, information and belief, the staictural plans and specifications contained vAthin ftse dravvings comply with the 2017 Florida Building Code - Residential 6th Edition. Engineer's signature and seat is only for ft structural engineering portions of the drewing pages bearing Engineees signature and seal. LENNAR 4600 W. Cypress St Suite 200 1 Tampa, FL 33607 www.LennarTampa.com LU z 0 (D UJ < 0 z to 41- < LL_ 0 0 r'J Cr Lu Z Ln Z LU _J In Lli X z I < P�8 LO Z Z t— U LLJ z 0 rn 06 T-4 :5 IQ. V) LU X 0 SCALE AS NOTED DATE 4/13/2018 TECH: JMUROSIC VERSION No. 4ml SHEET NO. 5.1