HomeMy WebLinkAboutDESIGN PRESSURE CALCULATIONSA� edel,a-1
& TESTING INC.
i0 SW 13th Ave Pompano Beach, FL 33069
SCANNED
RECEIVED
MAR 2 8 2018
Phone 954-784-2941
800-848-1919
Fax 954-784-7875
fed-eng.com. .
DATE: 3/12/18 I Job Order No.: R18174
CLIENT: Collins Roofing, Inc.
ADDRESS: P.O. Box 12864, Ft. Pierce, FL 34979
PROJECT: Pensacola I
ADDRESS: 8201 Pensacola'Road; Ft Pierce: FL :. 34953
ASCE 7=10 _DESIGN PRESSURE CAI:CULATIONS
In Accordance with Chapter 30, Part I
Proiect Information: Standing Seam ov I Sloped Wood Deck
Mean Height = 18' Exposure: B. Ultimate Windspeed: V„jt= 170 mph
Length= 55' Category: II Basic Windspeed: Vasd = 132.mph
Width 50'. Slope: 3:12 KZ = ,0.70. Kd = 0.85
.Design Calculations:.
Velocity Pressure: q : _.0.00256*[(0.70)(0.85)(1.0)(132)2]
= 26.5 psf I
Width of Pressure Coefficient: 0.1(50') . = 5.0'
FILE COSY
.0.4(18')
= 7.2' } use: 4'0"
Effective Wind Area:
<10ft? .
For parapet height three feet (3') or larger, zone three (3) can be treated as zone two (2) (ASCE740).
External Pressure Coefficient: !
Internal Pressure Coefficient .
1).: GCP1
= '-0.9
1) GCPi = 0.18
2) GCP2
-1.7
3). GCP3
= -2.6 ;
M.®DARE
Construction Material
American Concrete
Miami Dade,
Florida Department
Engineering Council
Institute
County
of Transportation
V
ENGINEERING
& TESTING.
Page 2
3/12/18
Sloped Wood Deck Section
8207 Pensacola Road
Ft Pierce, FL
Design Pressures:
1) Field P1 = 26.5*.(-0.9 — 0.18) _ -28.7 psf
2) Perimeter P2 = 26.5*(-1.7 — 0.18) = -49.9 psf
3) Corners P3 26.5*(-2.6 — 0.18) _-73.8.psf
Attachment Requirements:
Based on RAS-133 and F.L. #17022-R7 (17022.1); Table A ; , the following are our recommended
fastening requirements for the 26 gauge 5V Crimp Metal Roof Panels:
Field: Maximum of .12 o./c. screw spacing (Table A - #9 Screws "Method -1)
Perimeter: Maximum of 12" o.%c; screw spacing, (Table A - #9 Screws "Method 1)
Corners:.: Maximum of 12".d:/c. screw spaciug (Table A - #9 Screws "Method 1).
j
r`
Proiect Inf6rmafion: Flat Wood Deck
'Height = 10' Exposure: B Ultimate Windspeed: V„ If= 170 mph
Length = 55' Category; H. Basic Windspeed: Vasa = 02 mph
Width = 18' Slope'. < 7° KZ = .0.70 Kd.=.0.85,-
Parapet Wall:- < 3' ;
_Design Calculations:.. ;
Velocity Pressure-' q' 0.00256*[(0.70)(0'.85)(1.0)(132)2]
26.5 psf
Width of Pressure Coefficient: 0;1(18') = 1.8'
j 0.4021) .4.8' } use: 4'0"
.Effective Wind Tributary Area: <1 Oft'
For parapet height 3 feet.or larger, zone.three (3) can be treated as -zone. two (2) (ASCE 7-10). .
r
` Page 2
3/12/18
Flat Wood Deck Section
8207 Pensacola Road
Ft Pierce; FL '
External Pressure Coefficient:
1) GCPl = 4.0
2) GCP2 . = -.1:.8
3) GCP3 72.8
Design -Pressures:
Zone 1. Field:.' P1 26.5(21.0'- 0.1.8) 731.3 psf,
Zone:2. Perimeter: • P2' 26,5*('-1,:8;= 0.18).=' -! 215 psf. .
Zone 3 Corners:. P3 = 26.5*(2.8._ 0.18).— -79.1 psf
Fiat Roof Section Attachment Requirements: .
4
Based on RAS-117 and F.L..#1'654-R22; Table .1G. System Type F; System No. W-140; With a
design pressure of -90 psf; Appendix 1; page 21 of 58-,- the following-systern is approved with all
layers fully bonded
i
Notes: Cornersand perimeter area dimension shall not be less•than 'a = 4'0"
All work.shall.be in compliance with.the local building code product control notice ..
of acceptance and manufacturers specifications and .the Florida Building Code
2017:
Wind load,calculations based on ASCE 7-10' and information provided by client.
All woik' shall be inspected by our field engineer :or city inspector to verify
compliance with specifications.:: i
I'
Sincerely;. r
4..: eith LeBlanc; P.)✓:
FedzraL k,nginering & eating; Inc.
Florida Reg. Nq: 59394`
Certificate of Authorization #5471 f
1i,4i— mi-Dade' County ,,C�6rtification #16 '0203.07