HomeMy WebLinkAboutPRESSURE CALCULATIONSederal
g TESTING INC.
250 SW 13th Ave Poi
Phone 954-784-2941
800-848-1919
Fax 954-784-7875
SCANNED
DATE: 4/4/16 BY Order No.: 16-1108
CLIENT: Atlas Roofing St. Lucie County
ADDRESS: 851 South Deerfield Avenue: Deerfield Beach FL 33441
PROJECT: Wynne Building Coro Flat Concrete Deck
ADDRESS: 8000 South U.S. Hwy 1: Port St Lucie, FL
ASCE 7-10 DESIGN PRESSURE CALL. R XR ALL PROPOSED WORK
In Accordance with Chapter 30, Past®RE SUBJECT TO AW CORRECTIONS 0
REQUIRED By FIELD INSPECTORS THATI
Proiect Information: Flat Concrete Deck .MAY 9fe NECESSA.t.Y IN ORDER TO.
COMPLY WITH ALL APPLICABLE CODES A
Height = 10' Exposure: C Ultimate Wii'fdspe&&-V; i� 170 mph - ' --
Length = 40' Category: II Basic Windspeed: Vd =132 mph
Width = 28' Slope: < 7° K� = 0.85
Parapet Wall: < 3'
I..v�
Design Calculations:
Velocity Pressure: q = 0.00256*[(0.85)(1.0)(1.0)(132)j »wit V
= 37.9 psf 1►`� 11ZtJST BE KPT E
p 6ii NO }:iMECTION NVML BE MADE.
Width of Pressure Coefficient: 0.1(28) = 2.8'
0.4(10') = 4.0' ) use: 3'0"
Effective Wind Tributary Area: <10t
For parapet height 3 feet or larger, zone three (3) can be treated as zone two (2) (ASCE 7-10).
External Pressure Coefficient: Internal Pressure Coefficient:
1) GCP1 = -1.0 1) GCPi = 0.18
2) GCP2 = -1.8
3) GCP3 = -2.8
n"n ph y
Design Pressures:
Zone 1 Field: Pl = 37.9*(-1.0 - 0.18) = 44.7 psf f a
Zone 2 Perimeter: P2 = 37.9*(-1.8 - 0.18) = -75.1 psf
Zone 3 Comers: P3 = 37.9*(-2.8 - 0.18) = -113.0 psf
JOB
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Construction Material
American Concrete
Da
Florida Department
Enpineerinp Council
Institute
County
of Transportation
Page 2
4/4/16
Flat Concrete Deck
Wynne Building Corp.
8000 S US 1
Port St Lucie, FL
Attachment Requirements:
Based on RAS-117 and N.O.A. 914-0529.032; fastening option with top layer of insulation
minimum of/z" thick High Density Wood Fiberboard applied in hot asphalt with a maximum
design pressure of -227 psf; pages 20 and 21 of 87.
The system is approved with hot mopping asphalt applied within the EVT range and at a rate of
20-40 lbs/sq.
Notes:
c-
Comers and perimeter area dimension shall not be less than a = 3'0"
All work shall be in compliance with the local building code product control
notice of acceptance and manufacturer specifications and the Florida Building
Code 2014 edition.
Wind load calculations based on ASCE7-10 and information provided by client.
All work shall be inspected by our field engineer or city inspector to verify
compliance with specifications.
Sincerely,
Keith LeBlanc, R& My G
Federal Engineering & Testing, Inc.
,Florida Reg. No, 59394
Certificate of Authorization #5471
Miami -Dade County Certification #11-0407.01