Change List for this Rule

 

Original Version

Rule 81.3

 

81.3    Material and Strength

 

Communication poles shall meet the material and strength requirements specified in Section IV.

 

A.    Replacement In Grade F Construction

 

Wood poles in Grade F construction shall be replaced or reinforced before the safety factor has been reduced to less than one-half, except that the circumference of sound solid wood within 18 inches above and below the ground line on such poles before replacement or reinforcement shall in no case be less than as follows:

 

Poles supporting 10 wires or less of open-wire local exchange conductors

9 inches

Poles supporting cable, interexchange conductors, or more than 10 wires of open-wire local exchange conductors

12 inches

 

Examples of replacement circumferences which meet these requirements are given in Tables 26 and 27 of Appendix D.


Strikeout and Underline Version

Rule 81.3

 

81.3    Material and Strength

 

Communication poles shall meet the material and strength requirements specified in Section IV.

 

A.    Replacement of Wood Poles In Grade F Construction

 

Wood poles in Grade F construction shall be replaced or reinforced before the safety factor has been reduced to less than one-half, except that the circumference of sound solid wood within 18 inches above and below the ground line on such poles before replacement or reinforcement shall not in no case be less than as follows:

 

Poles supporting 10 wires or less of open-wire local exchange conductors

9 inches

Poles supporting cable, interexchange conductors, or more than 10 wires of open-wire local exchange conductors

12 inches

 

Examples of replacement circumferences which meet these requirements are given in Tables 26 and 27 of Appendix D.


Final Version

Rule 81.3

 

81.3    Material and Strength

 

Communication poles shall meet the material and strength requirements specified in Section IV.

 

A.    Replacement of Wood Poles In Grade F Construction

 

Wood poles in Grade F construction shall be replaced or reinforced before the safety factor has been reduced to less than one-half, except that the circumference of sound solid wood within 18 inches above and below the ground line on such poles before replacement or reinforcement shall not be less than as follows:

 

Poles supporting 10 or less of open- conductors

9 inches

Poles supporting cable, , or more than 10 of open-wire

12 inches

 

Examples of replacement circumferences which meet these requirements are given in Tables  26 and 27 of Appendix D.