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HomeMy WebLinkAboutENGINEERING PAPERWORKiFL0 IJPA ENGINEERING & TESTING, INC. DATE: 6/10/19 KG%,®av�� hone: (866) 781-6889 *Fax: (866) 784-8550 www.flmidaengineeringandtcsting.com JUN 2 0 2019 250 S.W.12`h Avenue Pompano Beach, FL 33069 ST., Lucie County, Permitting JOB ORDER #: 19-2898 CLIENT: All Area Roofing ADDRESS: 3921 S. US Highwayffighway 1 Fort Pierce FL 34982 SCANNED Y PROJECT: Caporaso Residence Sloped Tile Roof Deck S I ude County ADDRESS: 2436 Harbour Cove Drive Fort Pierce, FL 34949 2017 FBC/ASCE-7 DESIGN PRESSURE CALCULATIONS Proiect Information: Mean Roof Height = 20' Exposure: D Basic/Ultimate Wind Speed: V i =170 mph Length = 43' Category: II Nominal Wind Speed: Vud=V it*40.6 Width = 29' Slope: 5/12 (asd = allowable strength design) Parapet Wall: N/A Residential KZ =1.08, Kzt =1.0, Kd = 0.85 Design Calculations: Velocity Pressure: q = 0.00256*KzKZtKdV2 Velocity Pressure (.it): q=0.00256(1.08)(1.0)(0.85)(170)2] = 67.92 psf Velocity Pressure (.d): q=0.00256(1.08)(1.0)(0.85)(170*40.6)z] = 40.75 psf Width of Pressure Coefficient: 0.1(29') = 2.9' 0.4(20') = 8.0' ) use: 3'0" Effective Wind Area: <102 For hip roofs with a roof slope of 25 degrees or less, zone three (3) shall be treated as zone two (2). External Pressure Coefficient: 1) GCP1 = -0.9 2) GCP2 = -1.7 3) GCP3 = -2.6 H Internal Pressure Coefficient: 1) GCPi = per '�S ��Q V Quality V Ate♦, $ssarance REVIEWED FOR CODE COMPLIANCE Sy. LUCQIE COUN'ry ®OCC `?d 6' ©'Y-5-3 Page 2, 6110119, Job Order #19-2898 All Area Roofing Caporaso Residence - Sloped Tile Roof Deck 2436 Harbour Cove Drive; Fort Pierce, FL: Design Pressures Based on Vasd: 1) Field P1 = 40.75*[(-0.9) — (0.18)] = -44.0 psf 2) Perimeter P2 = 40.75*[(-1.7) — (0.18)] = -76.6 psf 3) Corners P3 = 40.75*[(-2.6) — (0.18)] _ -113.3 psf Attachment Requirements Per RAS 127 Boral Flat Concrete Tile (NOA # 19-0220.06): Tile System: Moment Based Aerodynamic Multiplier: 0.205 ft' (Direct Deck Application - Table 2 Restoring moment due to gravity: Mg = 6.71 ft-lbf (Table 3) Attachment resistance expressed as a moment: Mf= 40.4 ft-lbf 3M 2 Component Foam Roof Tile Adhesive AH-160 Set (Table 6, Single Medium Paddy 24g Min.) 1) Field : Mri = (44.0*0.205) — 6.71 ft. lb = 2.31 ft. lb. <40.4 ft. lb = PASS 2) Perimeter : Mr2 = (76.6*0.205) — 6.71 ft. lb = 8.99 ft. lb. < 40.4 ft. lb = PASS 3) Corners : Mr3 = (113.3*0.205) —6.71 ft. lb =16.52 ft. lb. < 40.4 ft. lb = PASS System is acceptable as approved with single medium paddy (24g) placement of the 3M 2-Component Foam Roof Tile Adhesive AH-160 based on the requirements of NOA # 19-0220.06). Notes: Comers and perimeter area dimension shall not be less than a = 3'0" Contractor to verify that the fastening patterns meet manufacturer's requirements for issuance of a warranty (as applicable). All work shall be in compliance with the local building code product control notice of acceptance and manufacturer specifications and Florida Building Code 2017 Edition. Wind load calculations based on ASCE-7, 2017 FBC, and information provided by client. Client is responsible for verifying existing/proposed conditions/decks as it pertains to the above provided product approval. All work shall be inspected by our field engineer (or authorized representative) or a building department inspector to verify compliance with specifications. Sincerely, 0"'%P1 AN . Mark A. Mesit* f .E. Florida Engineering & ST�1 n , Fc. Florida Reg. NsD2� Certificate of Au, atbl&92,