Mich. Admin. Code R. 408.41865 - Outside storage
Rule 1865.
(1)
Containers of flammable liquids with not more than 60 gallons in each container
shall not be stored in excess of 1,100 gallons in any outside storage
area.
(2) Portable tanks stored
outside shall not be closer than 20 feet from any building. Two or more
portable tanks, grouped together, having a combined capacity in excess of 2,200
gallons, shall be separated by a 5-foot clear area. Individual portable tanks
exceeding 1,100 gallons shall be separated by a 5-foot clear area. Piles or
groups of containers shall be separated by a 5-foot clearance.
(3) Within 200 feet of each portable tank,
there shall be a 12-foot wide access way to permit approach of fire control
apparatus.
(4) A flammable liquid
in an outdoor storage area shall be stored not less than 20 feet from a
building.
(5) Within 200 feet of
each pile or group of flammable containers, a 12-foot wide access way shall be
maintained to permit the approach of fire control equipment.
(6) An outside storage area for flammable
liquids shall be graded in a manner to divert a possible spill away from a
building or other hazard, or shall be surrounded by a curb or earth dike not
less than 12 inches high.
When a curb or dike is used, provisions shall be made to drain off accumulations of water or a spill of a flammable liquid in such a manner that the spill cannot create a hazard for an employee.
The drains shall terminate in a location that will not create another hazard.
(7)
An outside storage area for flammable liquid shall be kept free of weeds,
papers, debris, and other combustibles not necessary to the storage.
(8) An above ground tank or loading operation
shall not be installed closer than 25 feet plus 1 inch per 1,000 volts,
measured horizontally, from the center line of electric power lines, or under
an electric power line, except that service entrance and service lines may be
closer than 25 feet but not over the tanks or loading area. This prohibition
shall not apply to a fuel oil tank with up to a 275-gallon individual capacity
or a 550-gallon aggregate capacity that is used for heating purposes.
(9) A flammable or combustible liquid outdoor
storage area shall not occupy any area used as a means of egress.
(10) Underground tanks shall not be
abandoned.
Notes
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