Previous Code

Next Code

 

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