Minnesota Administrative Rules

4658.5410 MECHANICAL ROOMS; EXISTING CONSTRUCTION.

Mechanical rooms below grade, located in buildings constructed after 1972, with equipment using liquefied petroleum gas, must have continuous mechanical ventilation providing a pressure which is equal to or greater than atmospheric.

Statutory Authority:

MS s 144A.04; 144A.08

History:

21 SR 196

Published Electronically:

October 11, 2007