ELLINGTON
M
FT FT (narrowest side of building)
FT FT
FT
WINDLOADS FOR SINGLE FAMILY, DUPLEX & TOWNHOUSE FORM
PER TABLE R301.2(2) - FBC RESIDENTIAL - 6
TH
ED. 2017
FOR BUILDING WITH MEAN ROOF HEIGHT (h) UP TO 30 FEET:
V
ult
170 MPH
Exposure
“C”
Interior
Zone 4
Corner
Zone 5 *
Pos. Neg. Pos. Neg.
+ 43.68 - 46.20 + 43.68 - 57.40
* (Zone 5 is any opening within the corner distance from any corner.)
MEASURED FIGURES (OR FROM PLANS):
Mean Roof Height (h): Width (w):
CALCULATED / DETERMINED FIGURES (PER ASCE 7-10):
a
h
= Mean Roof Height X 0.4 = a
w
= Width X 0.1 =
a
L
= Lesser Value between a
h
and a
w
=
a =
Corner Distance = Greater Value between
a
L
and 3 Feet =
GARAGE DOOR LOADS FROM TABLE R301.2(4) – BUILDING WITH MRH UP TO 30 FEET
BASIC WIND SPEED (V
ult
) 170 MPH – 3 SECOND GUST
Roof Angle >0 Degrees
Effective Area:
Exposure “C”
Width (Ft) Height (Ft) Pos. Neg.
9 7 + 38.6 - 43.7
16 7 + 37.0 - 41.2
12300 West Forest Hill Boulevard Wellington, FL 33414
Phone: (561) 753-2430 Fax: (561) 791-4045 www.wellingtonfl.gov
W:\\\Building Department Forms and Checklists\6th Edition Forms\Word & Excel Versions
REVISED 10/30/18
stance = Greater Value between
a
L
and 3 Feet = FT