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HomeMy WebLinkAboutROOF WIND PRESSURE & ATTACHMENT DESIGNt SCANNED BY St. Lucie County Iso -013h RKTIVED C-7; 12 2019 ST. Lucie County, Permitting, FL cart of AWL 932207 Florida's Leadingxoof consulting Source Specification&Design• Usual Condition Sum3m• Roof Asset Mam mimt Proerams• Ounlity mwmnm Insvections ROOF WIND PRESSURE & ATTACHMENT DESIGN CLIENT: SUTTER ROOFING CO. Page 1 of 3 PROJECT NAME: TROPICANA FEED MILL -WAREHOUSE PROJECT ADDRESS: 6500 GLADES CUT-OFF ROAD FORT PIERCE, FLORIDA 34981 PROJECT DATA: MEAN HEIGHT: z:= 43 FT SHAPE: GABLE WIDTH:= 104 FT. SLOPE: "e' ( RISE in 12) r:= 6 ENCLOSURE CLASS.: ENCLOSED BLDG. RISK. CATEGORY: II REGION: GULF SHORELINE WIND VELOCITY: V:= 160 MPH EXPOSURE: C �A TOPO. FACTOR: H / Lh < 0.05 USE %zi:= 1.0 DIRECTIONAL FACTOR: Rd:= 0.85 DESIGN CRITERIA: FLORIDA BUILDING CODE EDITION 2017 WIND DESIGN perASCE 7-10 Method 2: Analytical Procedure Attachments as per Factory Mutual FM 1-29 DESIGN SCOPE: ROOF CLADDING ATTAC HM ENT Basic Combinations Sec 2.4.1 Load Combination #7: 0.6D + 0.6W Neglect Deadload. (Sec.2.4.1), is Wind Uplift, 0.6W EDGE ZONE MULTIPLIER: z•0.40 = 17.2 W0.10 = 10A Use Multiplier a 10.4 METAL ROOF: _ 22-GAUGE STEEL CORRUGATED PANELS CALCULATE VELOCITY PRESSURE qz := 0.00256•Kz•Kzf-Kd• V2 qz = 59.025 PSF D 0.60 SLOPE 0 DATE: 12/04/2019 RE -CS I #:19-273-corrugatod EXPOSURE C zmin=15ft. PRESSURE COEFFICIENT 2 9.5 Rz:= 2.01•(9z00) 1zz = 1.06 atan 1r2 = 26.565deg GABLE 7 < 0 < 27 deg COMPONENTS & CLADDING: EXTERNAL COEFFICIENT: GCp From Figure 30A-5B INTERNAL COEFFICIENT: GCpi From Figure 26.11 -1 CALCULATE UPLIFT PRESSURES: (per ASCE 740 ) P := Dqz• [(—GCp) + (GCpi)] FIELD P1:= D•qz•[(-0.9) + (-0.18)] PERIMETER P2:= D•qz•[(-1.7) + (-0.18)] CORNER P3:= D•qz•[(-2.6) + (-0.18)] UPLIFT PRESSURES: P1=—38.248 psj P2 = —66.58 psj P3 =—98.454 psf FL Cent of Auth. #32207 Florida's Leading Roof Consulfing Source SSMifi ti &Design VisualG difi S of R fAss&Man gem tP� 0..MXAssura Ins?ec ROOF WIND PRESSURE & ATTACHMENT DESIGN TYPE OF ROOF SYSTEM: 22-GAUGE STEEL 7/8" CORRUGATED PANELS ROOF SYSTEM ENGINEERING DATA: Mfg/Type: PETERSEN ALUMINUM CORP Florida Product Approval: #23953.1 22 GAUGE CORRUGATED STEEL 39.75" WIDE PANEL DESIGN PRESSURES: DPI —78.6 PSF 5-FOOT JOIST SPACING DP2 := —159.8 PSF 2-FOOT PURLIN SPACING PANEL WIDTH: w := 39.75 IN FASTENER SPACING: FS1:= 6 IN FS2:= 301N FS3:= 15 IN TYPE OF FASTENER: #12-24 x 1-1/4" BLAZER TEK-5 SCREW TO STEEL JOIST 114 x 14 x 7/8" DPI/LAP w1VRT LAP SCREWS SUPPORT MATERIAL: I/W-1/4" STEELJOIST CONSTRUCTION TYPE: REROOF Page 2 of 3 DATE: 12/04/2019 RE -CS IM 19-273-corrugated METAL ROOF: 22-GAUGE STEEL CORRUGATED PANELS DESIGN FASTENER VALUES (fv): w•6 fvl := DPI • 144 =—130.181 w•6 fv2 := DP2• 144 =—264.669 NOTE: PANELS ARE 22 GA.STEEL, NOT24 GAUGE AS PER THE APPROVAL. A SUBSTITUTION HAS BEEN MADE USING THE 22 GA. PANEL UNDER THER PREMISE THAT THE RESULTING ATTACHMENTIS STRONGER THAN A 24 GA. PANEL, WHEREAS EITHER MEETS OR EXCEEDS THE REQUIRED CRITERIA. RA77ONALANALYSISAS PER FBC 2017. Sec 1512.2.3 DESIGN FASTENER SPACING: TRIAL CALC ULATIONS: DP•FS P1-FIELD DPI=-78.6 >P1=-38.248 60"JOIST SPACING DFS :_ P P2-EDGE DPI=-78.6 >P2=-66.58 60"JOIST SPACING P3- CORNER DP2 = —159.8 > P3 = —98.45 24"PURLIN SPACING ATTACH TO 22 GAUGE CORRUGATED STEEL PANELS AS FOLLOWS: FIELD ( Zone 1 ): ATTACH FASTENERS AT 6" O.C. PARALLELTO ROOF SLOPE. ALONG PANEL RIB INTO STEEL JOISTS SPACING OF 5.0' O.C. MAXIMUM. SPACE SIDELAP FASTENERS AT 30" O.C. PERIMETER ( Zone 2 ): ATTACH FASTENERS AT 6" O.C. PARALLELTO ROOF SLOPE. ALONG PANEL RIB INTO STEEL JOISTS SPACING OF 5.0' O.C. MAXIMUM.. SPACE SIDELAP FASTENERS AT 15" O.C. CORNER (ZONE 3 ): ATTACH FASTENERS AT 6" O.C. PARALLEL TO ROOF SLOPE. ALONG PANEL RIB INTO STEEL PURLINS SPACED AT OF 2.0' O.C. MAXIMUM. SPACE SIDELAP FASTENERS AT 15" O.C. DIMENSION OF EDGE ZONES: PERIMETER WIDTH: a = 10.4 ft. CORNER LENGTH: a = 10.4 ft- The Roof Code Provisions in Chapter 15 of the Florida Building Code 2017 & Factory Mutual 1 <9 App y To This Work. FL Cert of Auth 432207 Flunda�s LeadingRouf Consulting Source Spedficafim&Desim • Visual Condition Sumey5 • R f AssetMa gem t f! a • Oual'ty Assn ln%w i PANEL & FASTENER DETAILS METAL ROOF: Page 3 of 3 _ 22-GAUGE STEEL CORRUGATED PANELS DATE: 12/04/2019 RE -CS IM 19-273-corrugaiad 7/8" 'CORRUGATED �— xw^r�f�uce eHa: �rn9el'tflf d w DECK FASTENER TO STEEL JOIST Ur-14 xI7a-DR1,i wP Wuffi'tg HL%ZEMZ llie5s CEP HMfi 2.5Ilfl 1"SArI2 *"ashes 191)67H,iR1 ai."'1adJ41lSC 25g.9a3 13._4 TRI: ALL Comm 1.0mHlss22 Splay SIDE LAP FASTENER L The Roof Code Provisions in Chapter 15 of the ' Florida Building Code 2017 & Factory Mutual s . 1-49 Apply To This Work. p1NSID DEC 12 2019 SG 8'� co%pky I ST. Lucie County, Permitting LuC�e FL CeA of Autlu #32207 Florida's Leading Roof Consulting Sconce Spmific.fia. &De' Visual Cdition S •R fA tNb tPm OnalitvAs Isp fi ROOF WIND PRESSURE & ATTACHMENT DESIGN CLIENT' SUTTER ROOFING CO. Page 1 of 3 PROJECT NAME: TROPICANA FEED MILL -WAREHOUSE PROJECT ADDRESS: 6500 GLADES CUT-OFF ROAD FORT PIERCE, FLORIDA 34981 PROJECT DATA: MEAN HEIGHT: z:= 43 FT SHAPE: GABLE WIDTH: MW'= 104 FT. SLOPE: "r" ( RISE in 12) r:= 6 ENCLOSURE CLASS.: ENCLOSED BLDG. RISK. CATEGORY: II REGION: GULF SHORELINE WIND VELOCITY:= 160 MPH EXPOSURE: C TOPO. FACTOR: H / Lh < 0.05 USE Kzt:= 1.0 DIRECTIONAL FACTOR: Kd:= 0.85 DESIGN CRITERIA: FLORIDA BUILDING CODE EDITION 2017 WIND DESIGN perASCE 7-10 Method 2: Analytical Procedure Attachments as per Factory Mutual FM 1-29 DESIGN SCOPE: ROOF CLADDING ATTACHMENT Basic Combinations Sec 2.4.1 Load Combination #7: 0.61D + 0.6W Neglect Deadload. (Sec.2.4.1), is Wind Uplift, 0.6W EDGE ZONE MULTIPLIER: z•0.40 = 17.2 W0.10= 10.4 Use Multiplier a := 10.4 METAL ROOF: 22-GAUGE STEEL CORRUGATED PANELS CALCULATE VELOCITY PRESSURE qz:= 0.00256-Kz.Kzt-Kd•V2 qz= 59.025 PSF D:= 0.60 SLOPE 0 DATE: 12/04/2019 RE -CS I#:19-273-corrugated EXPOSURE C z min = 15 ft. PRESSURE COEFFICIENT 2 z 9.5 Kz:= 2.01900) Kz = 1.06 atan(12) = 26.565•deg GABLE 7 < 6 < 27 deg COMPONENTS & CLADDING: EXTERNAL COEFFICIENT: GCp From Figure 30.4-513 INTERNAL COEFFICIENT: GCpi From Figure 26.11 -1 CALCULATE UPLIFT PRESSURES: (per ASCE7-10) P:= Dqz-[(—GCp) + (GCpt)] FIELD PI = D•qz•[(-0.9) + (-0.18)] PERIMETER P2 := D•qz•[(-1.7) + (-0.18)] CORNER P3 := D.qz.[(-2.6) + (-0.18)] r r' UPLIFT PRESSURES: P1 =—38.248 psf P2 = —66.58 psf P3 =—98.454 psf FL CerL of Auth. #32207 Florida's Leading Roof Consulting Source Spsgification&Desi Visual Condifian Sum •Roof Asset Mana ent mQuality Assurance lnsjpections ROOF WIND PRESSURE & ATTACHMENT DESIGN TYPE OF ROOF SYSTEM: 22-GAUGE STEEL 7/8" CORRUGATED PANELS ROOFSYSTEM ENGINEERING DATA: Mfg/rype: PETERSEN ALUMINUM CORP Florida Product Approval: #23953.1 22 GAUGE CORRUGATED STEEL 39.75" WIDE PANEL DESIGN PRESSURES: DPI:=-78.6 PSF5-FOOT JOIST SPACING DP2:= -159.8 PSF 2-FOOT PURLIN SPACING PANEL WIDTH: 1v:= 39.75 IN FASTENER SPACING: FSI:= 6 IN FS2:= 301N FS3:= 151N TYPE OF FASTENER: #12-24 x 1-1/4" BLAZER TEK-5 SCREW TO STEEL JOIST 1/4 x 14 x 7/8" DP1/LAP wIVRT LAP SCREWS SUPPORT MATERIAL: 1/W-1/4" STEEL JOIST CONSTRUCTION TYPE: REROOF Page 2 of 3 DATE: 12/04/2019 RE -CS I#:19-273-corrugated METAL ROOF: 22-GAUGE STEEL CORRUGATED PANELS DESIGN FASTENER VALU ES (fv ): I/ fvl := DPI•I w 6 144 =-130.181 \ fv2 . DP2 w•6144 =-264.669 NOTE: PANELS ARE 22 GA.STEEL, NOT24 GAUGE AS PERTHE APPROVAL. A SUBSTITUTION HAS BEEN MADE USING THE 22 GA. PANEL UNDER THEIR PREMISE THAT THE RESULTINGA17ACHMENTIS STRONGER THANA 24 GA. PANEL, WHEREAS EITHER MEETS OR EXCEEDS THE REQUIRED CRITERIA. RATIONAL ANALYSIS AS PER FB C 2017: Sec 1512.2.3 DESIGN FASTENER SPACING: TRIAL CALCULATIONS: DP•FS P1-FIELD DPI=-78.6 >PI=-38.248 60"JOISTSPACING DFS :_ P P2- EDGE DPI = -78.6 > P2 = -66.58 60" JOIST SPACING P3- CORNER DP2 = -159.8 > P3 = -98.45 24" PURLIN SPACING ATTACH TO 22 GAUGE CORRUGATED STEEL PANELS AS FOLLOWS: FIELD ( Zone 1 ): ATTACH FASTENERS AT6" O.C. PARALLELTO ROOF SLOPE. ALONG PANEL RIB INTO STEEL JOISTS SPACING OF 5.0' O.C. MAXIMUM. SPACE SIDELAP FASTENERS AT30" O.C. PERIMETER ( Zone 2 ): ATTACH FASTENERS AT6" O.C. PARALLEL TO ROOF SLOPE. ALONG PANEL RIB INTO STEEL JOISTS SPACING OF 5.0' O.C. MAXIMUM.. SPACE SIDELAP FASTENERS AT15" O.C. CORNER (ZONE3 ): ATTACH FASTENERS AT6" O.C. PARALLEL TO ROOF SLOPE. ALONG PANEL RIB INTO STEEL PURLINS SPACED ATOF 2.0' O.C. MAXIMUM. SPACE SIDELAP FASTENERS AT15" O.C. DIMENSION OF EDGE ZONES: PERIMETER WIDTH: a = 10.4 ft. CORNER LENGTH: a = 10.4 ft. The Roof Code Provisions in Chapter 15 of the Florida Building Code 2017 & Factory Mutual _ 1-09 Apply To This Work. <i FL Cert. of Auth #32207 Florida's Leading Roof Consulting Source Svecificalion&Design• Visual Canditiun Surveys, Roof Asset Mane ent Dtor3 • 0uality Assuranm lnsoecfions PANEL & FASTENER DETAILS METAL ROOF: 22-GAUGE STEEL CORRUGATED PANELS aEt KFA5 Ei�fEP E, IBMTO STEEL 9OIST . ... ... _. _. _ _. _ Page 3 of 3 DATE: 12/0412019 RE -CS 1#: 1 9-273-corrugated 117'-94X7d8"mPLilvPi®5'li'R'iG _ ®LAZOP SWri'ess Cap Head F,SIIU Ods el�ealu#g VFasta 1405i7MViCSmwsc 2mm IM; TFd EE7 C0312m 1Aa7Ei�s Saltsp9ay � The Roof Code Provisions in Chapter 15 of the Florida Building Code 2017 & Factory Mutual 1-09 Apply To This Work. SIDE LAP FAUENER' (r Digitally Il signed by Donald J lFlood 019A 2:05�i -05'00'