Minnesota Administrative Rules

1513.0710 DESIGN PRESSURE OF CONTAINERS.

Subpart 1.

Design and construction.

Containers used in interstate commerce must be designed and constructed according to the ASME code, have a minimum design pressure of 265 psig, and meet other applicable requirements of DOT regulations. Containers designed and constructed in accordance with earlier ASME code editions having a minimum design pressure of 250 psig and meeting conditions prescribed by DOT regulations are authorized for use in intrastate commerce.

Subp. 2.

Shell or head thickness.

The shell or head thickness of any container shall not be less than 3/16 inch.

Subp. 3.

Labels.

All container openings, except pressure relief valves, liquid level gauging devices, and pressure gauges, shall be labeled to designate whether they communicate with liquid or vapor space when the container is filled to the maximum permitted filling density. Labels must be on or adjacent to the valves closing the openings readily visible.

Subp. 4.

Baffles.

Baffles are not required for cargo tanks.

Statutory Authority:

MS s 18C.121

History:

21 SR 277

Published Electronically:

September 10, 2007