General Order 64-A
Appendix
D
Typical Communication Line Construction
|
Table 25 MINIMUM REPLACEMENT GROUND LINE CIRCUMFERENCE IN INCHES OF SOLID, SOUND COMMUNICATION POLES IN GRADE “F” CONSTRUCTION (Ultimate Fiber Stress 5,000 pounds per square inch) |
|||||||||||||
|
The following types of circuits are covered by this table: Inter-exchange lines (toll, truck and telegraph way wires). Exchange lines or local distribution lines, exceeding 10 wires and cables. |
|||||||||||||
|
Length of pole, feet. |
Span length, feet |
Load in number of wires |
|||||||||||
|
(1-4) |
(5-10) |
(11-20) |
(21-30) |
(31-40) |
(41-50) |
||||||||
|
L.L. |
H.L. |
L.L. |
H.L. |
L.L. |
H.L. |
L.L. |
H.L. |
L.L. |
H.L. |
L.L. |
H.L. |
||
|
20 |
100 |
12 |
12 |
12 |
15 |
---- |
---- |
---- |
---- |
---- |
---- |
---- |
---- |
|
125 |
12 |
13 |
12 |
16.5 |
---- |
---- |
---- |
---- |
---- |
---- |
---- |
---- |
|
|
150 |
12 |
13.5 |
12 |
17 |
---- |
---- |
---- |
---- |
---- |
---- |
---- |
---- |
|
|
175 |
12 |
14 |
13 |
18 |
---- |
---- |
---- |
---- |
---- |
---- |
---- |
---- |
|
|
25 |
100 |
12 |
13 |
12 |
16.5 |
12 |
18 |
12 |
20 |
---- |
---- |
---- |
---- |
|
125 |
12 |
14 |
12 |
18 |
12.5 |
19.5 |
13 |
21 |
---- |
---- |
---- |
---- |
|
|
150 |
12 |
14.5 |
13 |
18.5 |
13 |
21 |
13.5 |
22 |
---- |
---- |
---- |
---- |
|
|
175 |
12 |
15.5 |
13 |
20 |
13.5 |
22 |
14 |
23.5 |
---- |
---- |
---- |
---- |
|
|
200 |
12 |
16.5 |
13.5 |
21 |
14 |
23 |
15 |
24.5 |
---- |
---- |
---- |
---- |
|
|
30 |
100 |
12 |
13.5 |
12 |
17.5 |
12.5 |
19 |
13.5 |
21 |
14 |
23 |
15 |
24 |
|
125 |
12 |
14.5 |
12.5 |
19 |
13.5 |
21 |
14 |
23 |
15 |
25 |
16 |
26 |
|
|
150 |
12 |
15 |
13 |
20 |
14 |
22 |
14.5 |
24 |
15.5 |
25.5 |
16.5 |
27.5 |
|
|
175 |
12 |
16 |
14 |
21.5 |
15 |
23.5 |
15.5 |
25 |
17 |
27.5 |
18 |
29.5 |
|
|
200 |
12 |
17 |
14.5 |
22.5 |
15.5 |
24.5 |
16.5 |
26.5 |
17.5 |
29 |
18.5 |
31 |
|
|
35 |
100 |
12 |
14.5 |
13 |
19 |
14 |
20.5 |
14.5 |
22 |
15.5 |
24.5 |
16 |
25.5 |
|
125 |
12 |
15.5 |
14 |
20.5 |
14.5 |
22 |
15.5 |
24 |
16.5 |
26.5 |
17.5 |
28 |
|
|
150 |
12 |
16 |
14 |
22 |
15 |
23.5 |
15.5 |
25.5 |
17 |
27.5 |
18 |
29.5 |
|
|
175 |
12 |
17 |
15 |
23 |
16 |
25 |
17 |
27 |
18 |
29.5 |
19.5 |
31.5 |
|
|
200 |
12 |
18 |
15.5 |
24 |
16.5 |
26 |
17.5 |
28 |
19 |
31 |
20 |
33 |
|
L.L. = Light Loading
H.L. = Heavy Loading