Change List for this Rule

 

Original Version

Rule 84.4-E

 

84.4-E.    Above Or Beside Buildings, Bridges And Other Similar Structures

 

Conductors should be arranged so as not to hamper or endanger firefighters and workers in performing their duties. The basic clearances of communication conductors from buildings are specified in Table 1, Cases 6 and 7, Column B. The requirements of Table 1, Case 7, Column B also apply to fire escapes, windows, and any other points of entrance or exit where human contact might be expected.

 

Communication cables are not required to be any specified distance from the sides of buildings, bridges and other similar structures, but they shall be installed so that they do not interfere with the free us of fire escapes, exits, and any other points of entrance or exit where human contact might be expected.

 

The vertical clearance of communication conductor (including cables) above buildings as specified in Table 1, Case 6, Column B may be reduced to not less than 2 feet under the following conditions:

 

(1)    Over roofs of 3/8 pitch (37 degrees from the horizontal) or greater, or

 

(2)    Over roofs where the conductor does not overhang the building by more than 6 feet.

 

See Rule 84.8-C4 for service drop clearance requirements

 

Strikeout and Underline Version

Rule 84.4-E

 

84.4-E.    Above Or Beside Alongside or in Immediate Proximity to Buildings, Bridges And Other Similar Structures

 

Conductors should be arranged so as not to hamper or endanger firefighters and workers in performing their duties. The basic clearances of communication conductors from buildings are specified in Table 1, Cases 6 and 7, Column B.  The horizontal clearance (Table 1, Case 7) shall be maintained until the vertical clearance (Table 1, Case 6) is attained (see Figure 84-4 ).  The requirements of Table 1, Case 7, Column B also apply to at fire escapes, windows, and any other points of entrance or exit where human contact might be reasonably expected.

 

Communication cables are not required to be any specified distance from the sides of buildings, bridges and other similar structures, but they shall be installed so that they do not interfere with the free us of fire escapes, exits, and any other points of entrance or exit where human contact might be reasonably expected.

 

The vertical clearance of communication conductor (including cables) above buildings as specified in Table 1, Case 6, Column B may be reduced to not less than 2 feet under the following conditions:

 

(1)    Over roofs of 3/8 pitch (37 degrees from the horizontal) or greater, or

 

(2)    Over roofs where the conductor does not overhang the building by more than 6 feet.

 

See Rule 84.8-C4 for service drop clearance requirements

 

 

Final Version

Rule 84.4-E

 

84.4-E.    Above Alongside or in Immediate Proximity to Buildings, Bridges And Other Structures

 

Conductors should be arranged so as not to hamper or endanger firefighters and workers in performing their duties. The basic clearances of communication conductors from buildings are specified in Table 1, Cases 6 and 7, Column B.  The horizontal clearance (Table 1, Case 7) shall be maintained until the vertical clearance (Table 1, Case 6) is attained (see Figure 84-4).  The requirements of Table 1, Case 7, Column B also apply at fire escapes, windows, and any other points of entrance or exit where human contact might be reasonably expected.

 

Communication cables are not required to be any specified distance from the sides of buildings, bridges and other similar structures, but they shall be installed so that they do not interfere with the free us of fire escapes, exits, and any other points of entrance or exit where human contact might be reasonably expected.

 

The vertical clearance of communication conductor (including cables) above buildings as specified in Table 1, Case 6, Column B may be reduced to not less than 2 feet under the following conditions:

 

(1)    Over roofs of 3/8 pitch (37 degrees from the horizontal) or greater, or

 

(2)    Over roofs where the conductor does not overhang the building by more than 6 feet.

 

See Rule 84.8-C4 for service drop clearance requirements