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http://hawaii.gov/dags/bcc/ comments /wind- maps- for - state - building- code /wind- maps- for - state - building- code /hawaii- county -wind-
maps.pdf
Effective Wind Speed Contour for the Island of Hawaii
(for components and cladding with mean roof height less than or equal to 100ft)
0 5 10 20 Mires
It 1 1 it r i I
Manor Roaci
Land use
- Agrrcurture
Conaervahon
Utter
Rural
Effective Wind Speed (mph)
90
110
__ 130
140
150
170
- 180
Comm. No. / Z 8. /f8
Ref. To: t%tJ1l i. /
Ref. Date JAN 4 2012
Figure 1609.1.1.10 County of Hawaii Effective Basic Wind Speed, Veff, for Components and Cladding for Buildings
Tess than 100 ft. Tall
1/4/2012
Page 3 of 4
Wind Topographic Factor (Kzt) for the Island of Hawaii
Major Roads Kzt Contour
Land use 0.90
Agriculture 1 0
Conservation 1.10
Urban ----- 1.20
11111 Rural 1.30
1.50
-160
-1.80
2.0
25
30
0 5 10 c-5
I 1 1 1 _1 1 1...H
Figure 1609.3.3(a) County of Hawaii Peak Gust Topographic Factor Kzt
1/4/2012
Page 4 of 4
Exposure Category Zones for the Island of Hawaii
(for buildings with mean roof height Tess than 100 ft)
(Based on NOAA land cover data 2002 and land satellite Images)
0 5 10 20 h1 !es
L I 1 r 1 1 1 1
Kohal
it
South Komi
Elevation Contour (ft) Land Use
100 Ac2r olqure
xC - Conservation
1000 Rural
Major Roads Urban
Exposure BJC Boundary
Notes
1. Intermediate exposures between categories 8 and C are perm,tted when sutxstar1 ated per ASCE 7.
2. For bindings whose mean roof height rs less than or equal to 30 ft. exposure category shall be
permitted to be evaluated per Section 1609 4
3 For buKLrgs whose heIgnt is equal to or greater than 100 ft exposure category shau be determined
per Section 1609 4 1
Figure 1609.4.4(a) Exposure Category Zones for Hawaii County
SUBMITTED BY:
JAI HO CHENG, DEPUTY BUILDING CHIEF
1/4/2012