Minn. R. agency 144, ch. 4658, MECHANICAL SYSTEMS; EXISTING CONSTRUCTION, pt. 4658.5410

Current through Register Vol. 49, No. 29, 2025

Part 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.

Minn. R. agency 144, ch. 4658, MECHANICAL SYSTEMS; EXISTING CONSTRUCTION, pt. 4658.5410

21 SR 196

Statutory Authority: MS s 144A.04; 144A.08