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FILOA ENGINEERING & TESTING, INC.
Rhone: (866)781-6889 •Fax: (866)'784-8550
www.floridaengineeringandtesting.com
250 S.W.1:3 h Avenue
Pompano Beach,FL 33069
DATE: 7/13/16 JOB ORDER#: 16-2173
CLIENT: All Area Roofing
ADDRESS: 3921 S. US Highway 1 Fort Pierce,Florida 34982
PROJECT: Gerren Residence Flat Wood Non Insulated Roof Deck
ADDRESS: 5710 Raintree Trail Fort Pierce,Florida
FBC 2014/ASCE 7-10 DESIGN PRESSURE CALCULATIONS
Proiect Information:
Height= Max. 15' Exposure: C Basic/Ultimate Wind Speed: V,,,=170 mph
Length= 16' Category: II Nominal Wind Speed: Vad=Vwt*�0.6
Width= 15' Slope: <7° (asd=allowable strength design)
Parapet Wall: N/A Residential KZ=0.85,.Kzt= 1.0,Kd=0.85
Design Calculations:
Velocity Pressure: q= 0.00256*KZKztKdV2
Velocity Pressure („lt): q=0.00256(0.85)(1.0)(0.85)(170)2] =53.45 psf
Velocity Pressure (.d): q=0.00256(0.85)(1.0)(0.85)(170*40.6)2] =32.07 p� V
ED
Width of Pressure Coefficient: 0.1(16') = 1.6' AUG a 8 2016
0.4(15') = 6.0' } use: 3'0" PERIJIl s71NG
St. Lucie Cor ty. ?=L
Effective Wind Area: <1 Oft2
For parapet height three feet(3') or larger,zone three (3) shall be treated as zone two (2).
External Pressure Coefficient: Internal Pressure Coefficient:
1) GCP1 = -1.0 1) GCPi = 0.18
2) GCP2 = -1.8
3) GCP3 = -2.8
Quirafy 1 Ate.assurance
Page 2,7/13/16,Job Order#16-2173
All Area Roofing-Gerren Residence FU01Fj1nA
Flat Wood Non Insulated Roof Deck
5710 Raintree Trail; Fort Pierce,Florida:
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Desil4n Pressures Based on Vasd:
1) Field P1 = 32.07*[(-1.0)—(0.18)] =-37.8 psf
2) Perimeter P2 = 32.07*[(-1.8)—(0.18)] =-63.5 psf
3) Corners P3 = 32.07*[(-2.8)—(0.18)] = -95.6 psf
Attachment Requirements Per RAS-117:
Based on the requirements of N.O.A. 414-0529.02, pg 23 of 42, System Type E(3),with a
maximum design pressure of -52.5psf, the-following are our recommended fastening
patterns to attach the proposed base sheet to the wood (non-insulated) 19/32" or greater
plywood or wood plank deck utilizing approved 11 ga. annular ring shank nails and
approved tin caps:
Field: 8" o.c. @ 4" laps and 3 staggered rows 8" o.c.
Perimeter: 6" o.c. @ 4" laps and 3 staggered rows 6" o.c.
Corners: 6" o.c. @ 4" laps and 5 staggered rows 6" o.c.
Notes: Corners 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 2014 Edition.
Wind load calculations based on ASCE 7-10, FBC 2014 and information
provided by client. Client is responsible for verifying 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.
OR
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Sincerely, `�
'ihdaao<+i' G..7
Mark AMesza.no,P,E,\�,` ' a-c ,
Florida Engm erfng _TesWA), 1
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Florida Reg No`48202 ,4,f C�°V
Certificate of Authprizatzon�No 6923