Minnesota Administrative Rules
Agency 151 - Labor and Industry Department
Chapter 1323 - COMMERCIAL ENERGY CODE
Part 1323.0611 - SECTION 6.1.1, SCOPING FOR HEATING, VENTILATING, AND AIR CONDITIONING

Universal Citation: MN Rules 1323.0611

Current through Register Vol. 48, No. 39, March 25, 2024

Subpart 1. ASHRAE 90.1 section 6.1.1.3.6 Rooftop HVACR.

ASHRAE 90.1 section 6.1.1.3 is amended by adding a new subsection to read as follows:

6.1.1.3.6 Rooftop HVACR.

Unless technically infeasible, new and replacement rooftop equipment shall be provided with new insulated curbs in accordance with Section 5.5.3.1. The replacement curbs shall be of sufficient height to permit the installation of insulation that complies with Tables 5.5-6 and 5.5-7 when roof replacement occurs.

Subp. 2. ASHRAE 90.1 section 6.1.1.4 Heating of commercial parking facilities prohibited.

ASHRAE 90.1 section 6.1.1 is amended by adding a new subsection to read as follows:

6.1.1.4 Heating of enclosed commercial parking facilities prohibited.

Heating of enclosed commercial parking facilities is prohibited in accordance with Minnesota Statutes, section 216C.20, subdivision 3.

Exceptions:

1. Parking open to the public that is accessory to private parking where the parking open to the public is less than ten percent of the total number of spaces.

2. Vehicle showrooms for vehicle sales.

Subp. 3. ASHRAE 90.1 section 6.1.1.5 Prohibition of once-through water use permits.

ASHRAE 90.1 section 6.1.1 is amended by adding a new subsection to read as follows:

6.1.1.5 Prohibition of once-through water use permits.

Once-through water use permits are restricted in accordance with Minnesota Statutes, section 103G.271, subdivision 5.

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