HomeMy WebLinkAboutENGINEERING CALCULATIONS Forensic Engineering Consultants, Inc.
BASE SHEET/TAG &STICK ATTACHMENT CALCULATIONS
Project Name Coastal Orthopaedics Sports Medicine Center Report No.: ATRT-BS-22.008
Project Address 7710 S. Federal Highway
Port St. Lucie, FL- 34952
Deck Substrate Wood Non-Insulated Mean Roof Height 15.0 Feet
Configuration Steep Slope Roof Area (Approx.) Sq.Ft.
Category II Roof Width 74.0 Feet
Exposure Condition C Perimeter Width 6.0 Feet
Building Type Enclosed Parapet Height 0.0 Feet
Base Wind Speed 170 mph Sloped Roof Type
Slope V 4.0 Slope H 12.0 Slope Angle° 18.43
Uplift Pressures qZ = 0.00256 KZ KZt Kd Ke V2 P = qZ (GCp- GCpI)
qz KZ Kzt Kd Ke V GCp GCp;
53.453 0.850 1.000 0.85 1.00 170 -2.00 0.18 Field
-2.00 0.18 Eave Perimeter
-3.00 0.18 End Perimeter
-3.00 0.18 Ridge Perimeter
-3.00 0.18 Eave Corner
-3.60 0.18 Ridge Corner
Field (1) P1 ult. -116.53 psf P1 asd -69.92 psf
Eave Perimeter(2e) P2e ult. -116.53 psf Pee asd -69.92 psf
End Perimeter(2n) P2n ult. -169.98 psf Pen asd -101.99 psf
Ridge Perimeter(2r) P2r ult. -169.98 psf Per asd -101.99 psf
Eave Corner(3e) P3e ult. -169.98 psf Pie asd -101.99 psf
Ridge Corner(3r) P3r ult. -202.05 psf Par asd -121.23 psf
Proposed System Base Sheet and Polyglass Polystick Underlayments
Product Approval No. 21-0602.14 (Page 4 of 7)
System Design Pressure psf
Fasteners Approved Nails and Tin Caps
Base Sheet Width 39 inches Side Lap 3 inches Net Width 36 inches
Fastener Spacing in Lap of Base Sheet 12 inches # Rows 1
Fastener Spacing in Field of Base Sheet 12 inches # Rows 2
Min. Characteristic Resistance Force -70.00 Ibf(Estimate)
Fastener Spacing {(MCRF/Pi)x 1441/Row Spacing
No. of Rows of Fasteners 3 4 5
Field & Eave Perimeter Fastener Spacing 12.01 16.02 20.02
Ridge&End Perimeters Fastener Spacing 8.24 10.98 13.73
Ridge&Eave Corners Fastener Spacing 6.93 9.24 11.55
RECOMMENDED BASE SHEET ATTACHMENT PATTERN
Field 1 row in the laps at 12 inches o.c. 2 rows in the center of the sheet at 12" o.c.
Perimeter 1 row in the laps at 8 inches o.c. 2 rows in the center of the sheet at 8" o.c.
Corner 1 row in the laps at 6 inches o.c. 2 rows in the center of the sheet at 6" o.c.
These calculations have been done in accordance with ASCE 7-16, 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 insulation &fire rating requirements of the Florida Building Code, before installation.
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Forensic Engineering Consultants, Inc. �• ""
Ravanasamudram N Digitally signed by V�GENSF '••
Ravanasamudram N Sailappan Q
No.46696
Sailappan Date:2022.01.12 17:52:14-05'00' -* . •t,
R. N. Sailappan, P.E.
Florida Registration No. 46696 '. STATE OF �AZ
Forensic Engineering Consultants, Inc. (CA#8265), �k• . 6 ,•B* I ton, FL-33497 Ph(561)901 8490 Fax(561)218 3830
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