HomeMy WebLinkAboutEngineer letter T reasure larvey E. Koehnen
C oast Professional Engineer #32831
B uilding Architect#AR0009471 ;
E ngineers, Certified General Contractor#CGCO24776
Inc.
These tables Are For Roof G ova rincis
Roof coverings Installed on Buildings with a
Mean Roof ielght of W or Less Located in Exposures B, C or D
Table R301.2[2)_oR �:tyo =5-f ASCi 7-
COMPONENTS AND CLAOD114G WORST CASE DESIGN PRESSURE FPSF].
160 Exp B 1°60 Erp C 160 Exp C 160 Exp D 160 Exp D
One story (Two story*) (One story') (Two story*)
FZoof>0 to 7 degrees Zone 1 -27.6 -38.7 -40.6 -45.9
7degrees 111/2/12 pitch Zone 2 -46.4 -56.2 -65.0 -68.3 -77.1
Zone 3 -69.8 . -84.5 • -97.7 -102.7 -115.9
Roof>7 to 27 degrees 'Zone 1 -25.3 -30.7 -35.5 -37,2 -42
27 degrees=6/12 pitch Zone 2 -44,1 -63.4 -61.8 -64.9 -73.3
Zone 3 -65.1 -78.8 -91.2 -95.7 -108,:i
Roof>27 to 45 degrees Lone 1 -27.8 -33.7 -40.0 -40.1 -46.2
45 dedreas= 1?l12 nitr'h Zone 2 -32.1 o.o 3. _^-5A -47.7 -53.8
Zone 3 -32.4 -39.3 45A -47.7 -53.3
.150 Exp S 150 Exp C 150 Exp C 150 Exp D 150 Exp D
(one story`) (two story) (one story=) (two story)
Roof>0 to 7 degrees Zone 1 -24.3 -29,6 -34.1 -35.8 -40.4
7degree8=11/2112 pitch Zone 2 -40,8 -49A -57.2 -60.0 -67.8
Zone 3 -61.4 -74.3 -86.0 -90.3 -102.0
Roof>7 to 27 degrees Zone 1 -22,2 -26.9 -31.1 -32.7 -36.9
27 degrees=6/12 pitch Zone 2 -38.7 -46.0 -54.2 -56.9 -64.3
Zone 3 -57.3 -69.4 -B0.3 -84.3 -95.2
P0of>27 to 45 degrees Zone 1 -24.3 L29.5 -34.1 -85.8 -40.4
45 degrees=12/12 pitch Zone 2 -28.4 -34.4 -39.8 -41.8 -47.2
Zone 8 -28.4 -34.4 -39.8 -41.8 -47.2
One story*W one story building with a maximum mean roof height of 15 feet
Iro story''=Nvo story building with e maximum mean roof height of 30 feet
-if-allowed by the Mlarrii Dade N.O.A or Florida Product Approval, any system.that does-not meet the
minimum cortiponents and cladding pressures for the area that the building is located per this form
may require a Florida licensed engineer to revise the fastener spacing
T C B E,Inc. 7205 Elyse Circle PHONE (772)466-5509
Port Saint Lucie FAX (772)489-3035
Florida 34952-8212 E-MAIL hkoehnen@tcbeweb.com
WEB srrE http://www.tcbeweb.com