MIL-HDBK-1004/2A
2.10
Right-of-Way. When not installed on government property, obtain a
right-of-way for the electrical distribution or transmission system by
outright purchase of the land or by limited or perpetual easement. In the
case of easements, the right to perform maintenance on the line must be
covered.
2.10.1
Widths. Where possible, the width of the right-of-way shall be
sufficient to avoid all conflicts (refer to ANSI C2) between the line and
other adjacent structures. This width includes all obstructions and
underground utilities, except where necessary for the underground utilities to
pass at right angles to the right-of-way. The requirements for minimum width
on naval activities shall conform to the following right-of-way widths:
Line voltage (kV)
Recommended minimum right-of-way width
across unimproved land in feet (meters)
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Up to 7.5
40 (12)
7.5 to 20
60 (18)
20 to 35
80 (24)
35 to 68
80 (24)
68 to 92
80 (24)
92 to 120
100 (30)
2.10.2
Trees. Because trees adjacent to any overhead line pose a line
clearance problem, ensure that growing trees do not result in any line outage
or damage. Complete removal of all trees in the right-of-way is probably
environmentally unacceptable. Remove tree species, which in conjunction with
the weather and soil condition are liable to uprooting if their location poses
a clear danger to the line. Otherwise trim trees to provide a hazard-free
operation for at least 2 years. Competent persons shall do the trimming to
avoid excessive tree damage and to assure that trees off the right-of-way are
not trimmed by mistake. Obtain the landowner's permission for any trimming
and conduct a though cleanup after trimming.
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