A
1
d
s
c
c
s
c
≥15.0 in. (38.1 cm)
h
≥6.25 in. (15.9 cm)
s
≥10.0 in. (25.4 cm)
y
≥4.13 in. (10.5 cm)
d
=18mm, 11/16 in., 3/4 in.
≥3000 psi
(20.7 MPa)
5
B
C
2
18 mm,
11/16 in.,
3/4 in.
4 1/8 in.
(10.5 cm)
d
A.
B.
E.
7
8
3
9
s
c
y
c
h
3
6
C.
D.
G.
F.
4