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FX Engineering & Des
ign Guide
IRONRIDGE CONFIDE
NTIAL
Page 6 of
21
3.0 DESIGN
3.
1 Define Roof Zones
(RZ)
Roof Zones are
determined based on AS
CE 7-10 (see Chapter 30)
.
•
In most reside
ntial applications, a = 3
ft.
Gable roof and hip
roof with Roo
f
Zones:
1
...
...
4
5
6
7
8
...
...
21
