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Table 1: ASTM E1996 Wind Zones and Missile Types |
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Enhanced Protection |
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(Essential Facilities) |
Basic Protection |
| System Height |
<= 30 ft |
> 30 ft |
<= 30 ft |
> 30 ft |
| Wind Zone 1 |
110 - 120 mph +
Hawaii |
D |
D |
C |
A |
| Wind Zone 2 |
120 - 130 mph more
than 1 mile from coast |
D |
D |
C |
A |
| Wind Zone 3 |
130 - 140 mph or 120 -
140 within 1 mile of coast |
E |
D |
D |
A |
| Wind Zone 4 |
> 140mph
(South Florida) |
E |
D |
D |
A |
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