DEPARTMENT OF CONSUMER AND INDUSTRY SERVICES
PUBLIC SERVICE COMMISSION
UNDERGROUND ELECTRIC LINES
(By authority conferred on the public service commission by section 7 of Act No.
106 of the Public Acts of 1909, section 5 of Act No. 419 of the Public Acts of 1919
and section 6 of Act No. 3 of the Public Acts of 1939, as amended, being SS460.557,
460.55, and 460.6 of the Michigan Compiled Laws)
R 460.511 Payment of difference in costs.
Rule 1. In the case of all underground extensions of electric distribution
facilities as covered by these rules, the real estate developer or customer shall
make a contribution in aid of construction to the utility in an amount equal to the
estimated difference in cost between overhead and underground facilities. "Distribution
facilities" means those operated at 15,000 volts or less to ground for ___ connected
systems and 20,000 volts or less for delta connected systems.
History: 1979 AC.
Editor's note: For the effective dates of R 460.511 and R 460.514 to R 460.519, see R 460.519.
R 460.512 Extensions of residential distribution and service lines in the lower
Rule 2. (1) The distribution system in a new residential subdivision and an existing
residential subdivision in the lower peninsula mainland in which electric distribution
facilities have not already been constructed shall be placed underground, except that a
lot facing a previously existing street or county road and having an existing
overhead distribution line on its side of the street or county road shall be served with
an underground service from these facilities and shall be considered a part of the
underground service area.
(2) The owner or developer of such subdivisions shall be required to make a
nonrefundable contribution in aid of construction to the utility in an amount equal to the
sum of the lot front-foot measurements multiplied by an amount to be fixed or
changed in appropriate rate-making proceedings, which amount shall be considered
to be the difference in cost between overhead and direct burial underground facilities.
(3) The front-foot measurement of each lot to be served by
underground distribution system shall be made along the contour of the front lot line.
The front lot line is that line that usually borders on, or is adjacent to, a street. However,
when streets border on more than 1 side of a lot, the shortest dimension shall be used.
In case of a curved lot line that borders on a street or streets and represents at least
2 sides of the lot, the front-foot measurement shall be considered as 1/2 the total
measurement of the curved lot line. Where a lot is served by an underground service