R 325.11113
R 325.11113 Gravity storage tanks.
Cite as Mich. Admin. Code R 325.11113
Rule 1113. All gravity storage tanks shall be provided with all of the following:
(a) A watertight and properly drained roof.
(b) A vent of sufficient size.
(c) An overflow line of sufficient size.
(d) A high and low level warning device.