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RECEIVED
ENGINEERING & TESTING, INC.
JUL 2 6 Z019 Phone: (866) 781-6889 oFax: (866) 784-8550
ST. Lucie County, Permitting ��'ww.floridaengineeringandtesting.coms
250 S.W.13 Avenue
Pompano Beach, FL 33069
DATE: 7/24/19 JOB ORDER #: 19-3585
CLIENT: All Area Roofing
ADDRESS: 3921 S. US Highway 1 Fort Pierce, FL 34982
PROJECT: JBM Property Mgmt. Flat Wood Non -Insulated Roof Deck
ADDRESS: 2211 N 441 Street Fort Pierce, FL
SCANNED
2017 FBC/ASCE-7 DESIGN PRESSURE CALCULATIONS 13Y
St. Ludeft*
Project Information:
Height = 9' Exposure: C
Length = 43' Category: Il
Width = 18' Slope: < 7°
Parapet Wall: N/A Residential
Basic/Ultimate Wind Speed: Vic=163 mph
Nominal Wind Speed: V.d=V dt*10.6
(asd = allowable strength design)
KZ = 0.85, Kzt =1.0, Kd = 0.85
Design Calculations: FILE
Velocity Pressure: q = 0.00256*KjQtKdV2
Velocity Pressure (uit): q=0.00256(0.85)(1.0)(0.85)(163)Z = 49.14 psf
Velocity Pressure (.d): q=0.00256(0.85)(1.0)(0.85)(163*�0.6)2 = 29.49 psf .
Width of Pressure Coefficient: 0.f(18') = 1.8'
0.4(9') = 3.6' ) use: 3'0"
Effective Wind Area: <lW
For parapet height three feet (3') or larger, zone three (3) shall be treated as zone two (2).
External Pressure Coefficient:
1)
GCP1
= -1.0
2)
GCP2
= -1.8
3)
GCP3
= -2.8
Internal Pressure Coefficient:
1)
Wee .-u
�' Q `v
Quality — $asurance
\,
GCPi = 0.18
Page 2, 7/24/19, Job Ord 7 Z'=>19-3585
All Area Roofing - JBM Property Mgmt.
Flat Wood Non Insulated Roof Deck
2211 N 44th Street; Fort Pierce, FL:
Design Pressures Based on Vasd:
1) Field
2) Perimeter
3) Corners
Attachment Requirements:
P1 = 29.49*[(-1.0) — (0.18)] = -34.8 psf
P2 = 29.49*[(-1.8) — (0.18)] = -58.4 psf
P3 = 29.49* [(-2.8) — (0.18)] = -87.9 psf
=71"WIR I
The system is acceptable as approved based on the requirements of Florida Product
Approval # FL1654-R24, Appendix 1, page 29 of 69, System No. W-183 with a
maximum design pressure of -90 psf.
Base Ply:
Self adhere one or more plies of Elastoflex SA V Base Ply sheet to the min. 15/32"
plywood deck.
Cap Ply:
Torch apply the Polyflex G Cap Ply sheet to the base ply sheet.
Notes: Corners and perimeter area dimension shall not be less than a = TO"
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, FBC 2017, 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. �,%... IV1iiii11""I
Sincerely,
Mark A. Mesiano, P
Florida Engineering
Florida Reg. No. 48,
Certificate of Authoj
N-AN
P . '\,\CE/V
—^ 0- 48202 O
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