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Home My WebLink AboutEngineering 4ECEW'D VAR 13 2 67 HOWE 0.1 L RE-CS1 I 24- r ze• ROOF ENGI9VEERINC,QUCUL Tj'ONSER1VICE,INC. r FL.CERT.OFAUTH.#31333 don@re-csi.net ROOF WIND PRESSURE & ATTACHMENT DESIGN Page 1 of 2 DATE: 02/22/2017 CLIENT: G &G ROOFING RE-CSI#: 17-034-A-4 PROJECT NAME: TREASURE COVE DUNES CONDOMINIUMS PROJECT ADDRESS: EXPOSURE D 4100 NORTH HIGHWAY A1A BUILDING 4 z min = 7 ft. FORT PIERCE, FL. 33160 PRESSURE COEFFICIENT PROJECT DATA: 2 SLOPE: 0< 7 deg FLAT VELOCITY PRESSURE (700 11.5 MEAN HEIGHT:z:= 33 ft �2Kz.— 2.01 ) BUILDING WIDTH: M= 80 ft qz:= 0.00256•Kz•Kzt•Kd•V ENCLOSURE CLASS: ENCLOSED Kz= 1.182 RISK CATEGORY: II qz=74.309 PSF PARAPET CONTINUOUS . 3 ft.? YES 47" REGION: ATLANTIC SHORELINE DESIGN VELOCITY PRESSURE 004CW0 FASTENERS OR ATTACHMENTS DESIGN WIND SPEED: V= 170 MPH EXPOSURE: D ARE E RESPONSIBIM OF THE TOPO. FACTOR: H/ Lh < 0.05 Dqz:= 0.6•gz WMICTOR OF RECORD USE Kzt:= 1.0 DIRECTIONAL FACTOR: Kd:= 0.85 Dqz=44.586 PSF COMPONENTS&CLADDING EXTERNAL COEFFICIENT:GCp DESIGN CRITERIA: From Figure 30A-2A INTERNAL COEFFICIENT:GCpi FLORIDA BUILDING CODE 2014 Concrete Deck:GCpi=0 Wind Design perASCE 7-10 Analytical Procedure CALCULATE UPLIFT DESIGN PRESSURES: DESIGN SCOPE: P:= qz•[(—GCp) + (GCpi)] ROOF CLADDING ATTACHMENT FIELD Pl := Dqz•[(-1.0) + (-0)] Basic Combinations Sec 2.4 (Sec.2.4.1), is Wind Uplift, 0.6W EDGE P2:= Dqz [(-1.8) + (-0)] Load Combination#7: 0.6W+0.6D CORNER P3:= Dqz•[(-1.8) + (-0)] Neglect Deadload-.Use 0.6W (PARAPET CONTINUOUS>3 FT,P2=P3) . ASCE-7-10 DESIGN PRESSURES: EDGE ZONE MULTIPLIER: Pl =—44.586 psf Trial Calculations: P2=-80.254 psf z•0.40= 13.2 P3 =—80.254 psf �Q � L,I C_UCOL—NN Y BUII I)PzG DIVISION Use Multiplier a:= 8 ft REVIEWED FOR ViI'LIAT�CE REVIEW DATE J PROJECT DATA based on information provided by Client. PLANS AND PERMIT MUST BE KEPT ON JOB 1 - ? .— xowe xe • • • • RE-CSI • 24' r �. za ROOEEWGINEE2UWGj C UCZL A'_gOWSER,_WCE IWG r FL.CERT.OFAUTH.#31333 don@re-csi.net ROOF WIND PRESSURE & ATTACHMENT DESIGN Page 2 of 2 BUILDING 4 DATE: 02/22/2017 SYSTEM TYPE: BONDED INSULATION, BONDED ROOF COVER RE-CSI#: 17-034 A-4 ROOF SYSTEM ENGINEERING DATA: MfglType: JOHNS MANVILLE CORP.. Florida Product Approval#:11475 Page 20 System Type:A Table 6A System No.R-6. DECK MATERIAL: STRUCTURAL CONCRETE--INSULATED INSULATION: 1/4"INVINSABOARD OVER IN-PLACE INSULATION INSULATION ADHESIVE: JM ONE STEP FOAM ADHESIVE(OSFA)3/4"RIBBONS @ 12"O.C. MEMBRANE: JM 80-mil TPO ADHERED USING JM MEMBRANE ADHESIVE WB:RATE=1.67gal/SQ per approval DESIGN PRESSURE: DP:= —75 PSF CONSTRUCTION TYPE RECOVER DESIGN CRITERIA: CHECK: DP>P DP =—75 > Pl =—44.6 psf DP=—75 < P2=—80.3 psf REDUCE ADHESIVE R/BB ON SPACING TO 6"O.C. DP=—75 < P3 =—80.3 psf REDUCEADHESIVE RIBBON SPACING TO 6"O.C. BOND ROOF SYSTEM OVER EXISTING CONCRETE DECK AS FOLLOWS: ALL ZONES:(Zones 1,2,3): 1) ADHERE INVINSA BOARD OVER EXISTING INSULATION USING JM ONE STEP FOAM ADHESIVE(OSFA) APPLY THE ADHESIVE AS NOTED: 314"WIDE RIBBONS FIELD: SPACE RIBBONS @ 12"O.C. PERIMETER: SPACE RIBBONS @ 6"O.C. CORNER: SPACE RIBBONS @ 6"O.C. 2) ADHERE TPO MEMBRANE USING JM MEMBRANE ADHESIVE WB @1.67 gal/SQ.BOTH SIDES.. DIMENSION OF EDGE ZONES: �� ° r ADHERE ALL ZONES AS <i�k'� a ��~ LISTEDABOVE. 1 v uo 3 The Roof Code n Provisions in FBC Chapter 15 Apply To This Work.