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General Order 64-A

 

Appendix D

 

Typical Communication Line Construction

 

Table 26

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)

This Table covers exchange or local distribution lines of 10 or less open wire.

Length of pole, feet.

Span length,

feet

Load in number wires

(1-4)

(5-10)

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

125

12

14

12

18

150

12

14.5

13

18.5

175

12

15.5

13

20

200

12

16.5

13.5

21

30

100

12

13.5

12

17.5

125

12

14.5

12.5

19

150

12

15

13

20

175

12

16

14

21.5

200

12

17

14.5

22.5

35

100

12

14.5

13

19

125

12

15.5

13

20.5

150

12

16

14

22

175

12

17

15

23

200

12

18

15.5

24

L.L. = Light Loading

H.L. = Heavy Loading