A
2
C
2
B
A
1
B
C
1
A
2
C
2
A
1
C
1
Figure 31
Joints
Chimney
Section
4'
No. 8 x 1/2" SMS
6'
Figure 32
a
Offset
(inches)
(inches)
4
9
2
12
14
15
17
1
20
21
22
23
25
27
28
29
31
32
33
35
B
2
36
38
40
42
B
1
44
46
50
52
55
58
61
63
68
71
74
77
80
83
86
88
92
94
98
100
103
106
109
115
121
Table 4
FTF8 OFFsET ELEVaTION ChaRT
B
FTF8-s4
Number of FTF8 Chimney sections
Offset
stabilizer
12"
18"
15
–
0
0
24
–
1
0
29
–
0
1
33
–
2
0
35
–
0
0
38
–
1
1
43
–
0
2
45
–
0
0
47
–
2
1
49
–
0
1
52
–
1
2
55
–
0
0
57
–
1
1
59
–
0
1
63
–
0
2
64
–
0
0
66
–
2
1
69
–
0
1
72
–
2
0
75
–
0
0
78
–
0
1
82
–
0
2
85
–
0
0
89
–
0
1
95
–
0
0
99
–
0
1
104
–
0
0
109
–
0
1
115
–
0
0
118
–
0
1
128
1
0
0
131
1
0
1
138
1
0
0
142
1
0
1
147
1
0
0
152
1
0
1
157
1
0
0
161
1
0
1
168
1
0
0
171
1
0
1
178
1
0
0
182
1
0
1
187
1
0
0
192
1
0
1
197
1
0
0
208
1
0
0
218
1
0
0
a
Offset
24"
36"
48"
(meters)
0
0
0
0.10
0
0
0
0.23
0
0
0
0.31
0
0
0
0.36
1
0
0
0.38
0
0
0
0.44
0
0
0
0.51
0
1
0
0.54
0
0
0
0.57
1
0
0
0.59
0
0
0
0.64
0
0
1
0.69
1
0
0
0.72
0
1
0
0.74
1
0
0
0.80
1
1
0
0.82
1
0
0
0.85
0
0
1
0.90
2
0
0
0.93
0
2
0
0.97
1
1
0
1.03
2
0
0
1.08
0
1
1
1.12
0
2
0
1.18
0
0
2
1.28
0
1
1
1.33
1
1
1
1.41
0
0
2
1.48
0
2
1
1.56
1
1
1
1.61
0
1
2
1.75
0
2
1
1.80
0
0
3
1.90
0
1
2
1.96
1
1
2
2.03
0
0
3
2.11
0
2
2
2.18
1
1
2
2.24
0
1
3
2.34
0
2
2
2.39
0
0
4
2.49
0
1
3
2.54
1
1
3
2.62
0
0
4
2.70
0
2
3
2.77
0
1
4
2.92
0
0
5
3.08
B
Offset
(meters)
0.40
0.63
0.76
0.85
0.89
0.98
1.11
1.15
1.21
1.25
1.34
1.42
1.47
1.51
1.60
1.64
1.70
1.77
1.83
1.91
2.00
2.09
2.17
2.26
2.43
2.53
2.66
2.79
2.92
3.02
3.25
3.35
3.52
3.61
3.74
3.88
4.01
4.10
4.27
4.36
4.54
4.63
4.76
4.89
5.02
5.29
5.55
13