HomeMy WebLinkAboutEngineering FLO A ENGINEERING & TESTING, INC.
Phone: (866)781-6889•Fax: (866)'784-8550
www.floridaengineeringandtesting.com
250 S.W.13"'Avenue
'J. Pompano Beach,FL 33069
DATE: 3/11/16 JOB ORDER#: 16-842
CLIENT: All Area Roofing
ADDRESS: 3921 S. US Highway 1 Fort Pierce,Florida 34982
PROJECT: Attanasio Residence 5-V Crimp Roof Panel
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ADDRESS: 449 Nettles Blvd. Jensen Beach,Florida
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FBC 2014/ASCE 7-10 DESIGN PRESSURE CALCiTLATIONS
Project Information: C
Mean Height= 15' Exposure: D Basic/Ultimate Wind Speed: Vuit=170 mph
Length= 50' Category: II Nominal Wind Speed: Vasa=Vwt*�0.6
Width= 40' Slope: 3/12 = 14° (asd=allowable strength design)
Parapet Wall: N/A Residential KZ= 1.03,Kzt= 1'10, Kd= 0.85
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Design Calculations:
Velocity Pressure: q= 0.00256*KZKZtKdV2 I
Velocity Pressure („lt): q=0.00256(1.03)(1.0)(0.85)(170)2] =641177 psf;a
Velocity Pressure (asd): q=0.00256(1.03)(1.0)(0.85)(170*�0.6)2i] = 38.8',6 psf
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Width of Pressure Coefficient: 0.1(40') = 4.0'
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0.4(15') = 6.0' } use: 410"
Effective Wind Area: <102
External Pressure Coefficient: Internal Pressure Coefficient:
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1) GCP1 = -0.9 1) GCP; = 0.18
2) GCP2 = -1.7
3) GCP3 = -2.6 j
Design Pressures Based on Vasd:
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1) Field - P1 = 3 8.86*[(-0.9)—(0.18)] =-42.0 psf
2) Perimeter P2 = 38.86*[(-1.7)—(0.18)] =-73.1 psf
3) Corners P3 = 3 8.86*[(-2.6)—(0.18)] = 1081.0 psf
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QraalitrJ ��3 &.flssrcranee
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Page 2,3/11/16,Job Order#16-842
All Area Roofing FLO A
Attanasio Residence-5-V Crimp Roof Panel
449 Nettles Blvd.;Jensen Beach,Florida:
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Attachment Requirements:
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Based on the requirements of Florida Product Approval # 17022.1R3, Table A, Method 2
with maximum design pressures of -93.5psf; the following are ;our recommended
fastening patterns to attach the 26 ga. 5-V Crimp roof panel to"the minimum 15/32" thick
plywood or wood plank decking utilizing # 10 x 1-1/2" minimum Hex Washer Head
Wood screws to provide a minimum 3/16" fastener penetration thru bottom of support in
the following fastener patterns and these fastener row spacings:
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Method 2 (Field & Perimeter) I Method 4 (Corners)
_ - Design Pressure -93.5 psf ! -228psf
ASD
Row Spacing 16" o.c. 6" o.c.
12" O.C. 12" o.c.
Fastener Spacing (Attached to the tops of the V's (Attached to the tops of the V's
(Across Panel for a total of 3 screws across the for a total of 3 screws across the
Width) 24" width of thepanel) 124" width of thepanel)
Notes: Corners and perimeter (edge, hip, & ridge) area dimension shall not be less
than a = 4'0" (Zone 2: Perimeter (including along ridges) is a 4'0" wide
strip, Zone 3: Corners are 4'0" x 41011)
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 2014 Edition.
Wind load calculations based on ASCE 7-10, FBC 2014 and information
provided by client. Client is responsible for verifyingi existing conditions
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;
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Mark A. M.-siano,P.E.
Florida Engineering&Testing, Inc.
Florida Reg. No:48202
Certificate of Autrorization No. 6923