. ire la e
m
nents
atal g
Des ri ti n
3
/ 4
i
i i n
3
/ 4
i
in
1 3 /
1 4
i-
1 3
/
1 4
i-
1 3
/
1 4
i-
i
3
4
1
n
1
n
18
ntegral
rate
5 in.
(13 1 mm)
H 3 Hearth
1/ in.
(13 mm)
in.
(1
mm)
1/ in.
(13 mm)
i
n
i
n
i
n
n
n
-
i
-
-
i
-
-
i
-
i
i
n i n - 3
3
n i n - 4
4
(in
i
3
(in
i
4
1
1 in.
(40 mm)
tensi n
0 in.
(50 mm)
H 4 Hearth
tensi n
i
3
i n
i
n
i n
i
n
i
in
3
4
4
3
i
ld
lass D
D 1 36
D 1 42
A 22
tside Air it
raditi nal ri
attern e ra t r
Herringb ne attern e ra t r
/1
rs
43