Minn. R. 1346.0508 - SECTION 508 COMMERCIAL KITCHEN MAKEUP AIR
Subpart 1.
Section 508.1.
IMC section 508.1 is amended to read as follows:
508.1
Makeup air. Makeup air
shall be supplied during the operation of commercial kitchen exhaust systems
that are provided for commercial kitchen appliances. The amount of makeup air
supplied to the building from all sources shall be approximately equal to the
exhaust air for all exhaust systems for the building. The makeup air shall not
reduce the efectiveness of the exhaust system. Makeup air shall be provided by
mechanical means and the exhaust and makeup air systems shall be electrically
interlocked to insure that makeup air is provided whenever the exhaust system
is in operation. Makeup air intake openings shall comply with IMC section
401.4.
508.1.1
Makeup air
temperature. Makeup air shall be not less than 50°F (10°C),
measured at the fow of air from the supply difuser into the space.
508.1.2
Makeup and ventilation air
distribution. Makeup and ventilation air supply difusers located within
12 feet (3.7 m) of an exhaust hood shall be directed away from the hood.
Exception: Perimeter perforated supply plenums installed in accordance with the manufacturer's installation instructions.
Subp.
2.
Section 508.2.
IMC section 508.2 is deleted in its entirety. Compensating hoods shall comply with NFPA 96 and ASHRAE 154.
Notes
Statutory Authority: MS s 16B.59; 16B.61; 16B.64; 326B.101; 326B.106; 326B.13
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