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WOOD SHAKE ATTACHMENT CALCULATIONS
Project Name
Bryn Mawr Ocean Towers - Clubhouse Report No.: ATRT-WS-20.001
Project Address
5061 North A-1 -A
Ft. Pierce, FL - 34949
Deck Substrate
Wood Non -Insulated
Mean Roof Height 12.9 Feet
Configuration
Steep Slope
Roof Area (Approx.) 3366 Sq. Ft.
Category
II
Roof Width 51.0 Feet
Exposure Condition
D
Perimeter Width 5.1 Feet
Building Type
Enclosed
Parapet Height 0.0 Feet
Base Wind Speed
170 mph
Sloped Roof Type
Slope V
5.0 Slope H
12.0 Slope Angle° 22.62
Uplift Pressures
qZ = 0.00256 KZ Kit Kd V2
P = qZ (GCP - GCP;)
qZ KZ
Krt Kd V
GCP GCP;
65.097 1.030
1.005 0.85 170
-0.90 0.18 Field
-1.70 0.18 Perimeter
-2.60 0.18 Corner
Field PI ult.
-70.30 psf P1 asd
-42.18 psf
Perimeter P2 u,t
-122.38 psf P2 asd
-73.43 psf
Corner P3 ult.
-180.97 psf P3 asd
-108.58 psf
Proposed System
Copper Ridge Shake & Shingle - Wood Shake (Hand Split Shakes)
Product Approval No.
17-0614.22
Wood Shake Dimensions
14" x 24"
Panel Area 2.34 Sq. Ft.
Fasteners
Stainless Steel Ring Shank Nails (2 per Shake)
Field
Perimeter/Corner
System Design Pressure
psf psf
Min. Fasteners per Shake 2
2
Min. Characteristic Resistance Force -170.00
Ibf (From NOA) -170.00 Ibf (From NOA)
No. of Fasteners Required NF = (Wood Shake Area x P;) / MCRF
Fastener Requirement
RECOMMENDED WOOD SHAKE FASTENING
Field Perimeter Corner
0.58 1.01 1.49
Field 2 Stainless Steel Ring Shank Nails per Wood Shake
Perimeter 2 Stainless Steel Ring Shank Nails per Wood Shake
Corner 2 Stainless Steel Ring Shank Nails per Wood Shake
These calculations have been done in accordance with ASCE 7-10, based on the information provided by the
contractor. The roof system must be installed in accordance with the FBC & manufacturer's recommendations.
Ensure that roof system meets all the drainage, insulation and fire rating requirements of FBC, before installation
Sincerely
Forensic Engineering Consultants, Inc.
�L
R. N. SailaPpa n P.E,
Principal Engineer
Florida Registration No. 46696
Forensic Engineering Consultants, Inc. (CA #8265), P.O. Box 970034, Boca Raton, FL - 33497 Ph (561) 901 8490 Fax (561) 218 3830