Minnesota Administrative Rules

7080.1990 TANK STORAGE, TRANSPORT, AND USE.

Subpart 1.

Precast reinforced concrete tanks.

Precast reinforced concrete tanks must:

A.

have a method to lift the tank for an ultimate load that is four times the working load;

B.

undergo proper curing to achieve a compressive strength of 4,000 pounds per square inch before transport, placement, or use; and

C.

have no pipe penetration points or openings in the exterior walls or tank bottom below the tank liquid level, unless designed for a specific operational purpose and approved by the local unit of government.

Subp. 2.

Other tanks.

Fiberglass-reinforced polyester or polyethylene tanks must be protected against deterioration during storage.

Statutory Authority:

MS s 115.03; 115.55

History:

32 SR 1347

Published Electronically:

October 10, 2013