Mich. Admin. Code R. 408.41461 - Advance notice of tunnel excavation
Rule 1461.
(1)
Before the start of a pressurized tunnel being constructed, modified, or
repaired, that is 24 inches or more in diameter, height, or width, and that
will be occupied by an employee, a report prepared by the employer performing
the tunnel excavation shall be sent to the Michigan Department of Labor and
Economic Opportunity, Construction Safety and Health Division, 530 West Allegan
Street, P.O. Box 30645, Lansing, Michigan 48909-8145, in addition to the
following civil authorities in the area: hospital, police department, fire
department, and sheriff department. The report shall contain all of the
following information:
(a) Name of contractor
or contractors.
(b) Starting
date.
(c) Length of
tunnel.
(d) Diameter of
cut.
(e) Finished
diameter.
(f) Number of
shafts.
(g) Depth of
shafts.
(h) Location of
shafts.
(i) Method of
tunneling.
(j) Maximum working
pressure in tunnel or shaft.
(k)
Type of primary liner.
(l) Number
of shifts.
(m) Projected completion
date.
(n) Projected maximum work
force within tunnel.
(2)
An employer shall notify parties notified pursuant to subrule (1) of this rule
when the work has been completed.
(3) If, after the start of any tunnel
project, a tunnel or shaft that the employer has shown to be constructed,
modified, or repaired under atmospheric conditions requires the tunnel to be
pressurized, then the employer shall notify the Construction Safety and Health
Division at the Michigan Department of Labor and Economic Opportunity, 530 West
Allegan Street, P.O. Box 30645, Lansing, Michigan 48909-8145, 24 hours before
allowing employees to enter the tunnel.
(4) If the work operations of any occupied
and pressurized tunnel projects are discontinued for 30 consecutive days or
longer, then the employer shall notify the Construction Safety and Health
Division at the Michigan Department of Labor and Economic Opportunity, 24 hours
before resuming work operations on the tunnel project.
Notes
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