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Home My WebLink AboutBLD2010-0147 Design Pressure Eng. Letter CDUNONS ROOFC FL.Cert.of Auth.#32207 Florida's Leading Roof Consulting Source SRecification&Design•Visual Condition Surveys•Roof Asset Management Programs•Quality Assurance Inspections ROOF WIND PRESSURE &ATTACHMENT DESIGN CLIENT: SUTTER ROOFING INC. Page 1 of 2 PROJECT NAME: TROPICANA FT. PIERCE UTILITIES SHOP DATE: 10/20/2020 RE-CSI #20-199-tpo PROJECT ADDRESS: 6500 GLADES CUT OFF ROAD EXPOSURE C FORT. PIERCE, FL. 34981 CARLISLE TPO z min = 15 ft. PROJECT DATA: PRESSURE COEFFICIENT HEIGHT: z:= 20 ft. WIDTH: W:= 45 ft. 2 Continuous Parapet => 3 FT.: NO z 19.5 ENCLOSURE CLASS.: ENCLOSED CALCULATE VELOCITY PRESSURE Kz:= 2.01. - BLDG. RISK. CATEGORY: II (900) SHAPE: FLAT REGION: OPEN TERRAIN qz:= 0.00256-Kz-KztKd V2 Kz= 0.902 WIND VELOCITY: V:= 160 MPH EXPOSURE: C qz= 50.24 PSF TOPO. FACTOR: H/ Lh < 0.05 USE Kzt:= 1.0 Dqz:= 0.6•gz DIRECTIONAL FACTOR: Kd:= 0.85 COMPONENTS&CLADDING EXTERNAL COEFFICIENT:GCp From Figures 30.4-2A DESIGN CRITERIA: INTERNAL COEFFICIENT:GCpi FLORIDA BUILDING CODE From Figure 26.11 -1 EDITION 2017 WIND DESIGN perASCE 7-10 Method 2: Analytical Procedure CALCULATE UPLIFT DESIGN PRESSURES: DESIGN SCOPE: P:= qz•[(—GCp) + (GCPI)] Wind Uplift Loads FIELD PI:= Dqz.[(-1.0) + (-0.18)] Preliminary Attached insulation EDGE P2:= Dgza[(-1.8) + (-0.18)] linsulation fastened to purlins CORNER P3:= Dqz•[(-2.8) + (-0.18)] RhinoBonded TPO: ASCE-7-10 DESIGN PRESSURES: EDGE ZONE MULTIPLIER: P1 = —35.57 Psf Trial Calculations: ( T min. ) z•0.40= 8 P2 = —59.685 Psf Use Multiplier a:= 6 ft P3 = —89.829 Psf PROJECT DATA based on information provided by Client. UC FL.Cert.of Auth.#32207 Florida's Leading Roof Consulting Source Specification&Design*Visual Condition Surveys•Roof Asset Management Programs*Quality Assurance Inspections ROOF WIND PRESSURE &ATTACHMENT CALCULATIONS CARLISLE TPO METHOD OF ATTACHMENT. PRELIMINARILY ATTACHED INSULATION Page 2 of 2 TPO RHINOBONDED TO INSULATION ATTACHED TO PURLINS DATE: 10/20/2020 RE-CSI #20-199-tpo ROOF SYSTEM ENGINEERING DATA: PRELIMINARY ATTACHMENTS: Mfg/Type:CARLISLE-SYNTEC CORP. 5#14 FASTENERS PER 4'x 8' Florida Product Approval# 14083-R24 Page 81, TYPE C-2, System#R-51 BOARD USE STANDARD DESIGN PRESSURE: DP:= —67.5 psf INSULATION PLATES. DECK MATERIAL: STEEL INSULATION: 1.0"MIN. INSULATION,ONE OR MORE LAYERS,ANY COMBINATION ATTACHMENT CALCULATIONS: FASTENER: CARLISLE HP PURLIN FASTENERS&RHINOBOND INSULATION PLATES FASTENERS SPACED 6"O.C. PURLIN SPACING: PS:= 60 in. ALONG PURLINS SPACED 60"O.0 FASTENER SPACING: FS:= 6 in. (MAX) MEMBRANE: CARLISLE SURE WELD 60-mil TPO:BONDED TOTPO RHINOPLATES _FASTENER DESIGN VALUE: WITH RHINOBOND TOOLAS PER MANUFACTURER CPS•FS1 CONSTRUCTION TYPE: RECOVER = DP 144 fv = —168.75 LB DESIGN FORMULA per RAS NO. 137: TRIAL CALCULATIONS: FASTENER SPACING DP= —67.5 1 >_ i P1 = —35.57 ,fv•144 fv•144 = 7 FS:= P2•PS P RS ft.144 = 5 P3•PS MECHANICALLY ATTACH INSULATION TO PURLINS &RHINOBOND TPO TO INSULATION AS FOLLOWS: FIELD: (Zone 1 ): RHINOBOND MEMBRANE ALONG PURLINS @ 6.0"O.C. MAXIMUM PURLIN SPACING=60 in. PERIMETER(Zone 2 ): RHINOBOND MEMBRANE ALONG PURLINS @ 6.0"O.C. MAXIMUM PURLIN SPACING=60 in. CORNER(Zone 3 ): RHINOBOND MEMBRANE ALONG PURLINS @ 5.0"O.C. MAXIMUM PURLIN SPACING=60 in. DIMENSION OF EDGE ZONES: Digitally signed WIDTH at PERIMETER a = 6 ft. ,�"""�t� by Donald J CORNER LENGTH: a = 6 ft. ., No 11lq i*= Flood • :J 9y STATE Or '�� Date: ��sB�ONP�Epo,,,• 2020.10.21 The Roof Code Provisions in Chapter 15 of the 1 3:37:01 -04'00' Florida Building Code 2017 Apply To This Work.