D.C. Mun. Regs. tit. 12, r. 12-E508
Current through Register Vol. 71, No. 49, December 6, 2024
Strike Section 508.1.1 of the International Mechanical Code in its entirety and insert a new Section 508.1.1 into the Mechanical Code in its place to read as follows:
Makeup air temperature. Where the temperature of the makeup air is more than 15°F (8°C) lower than the design temperature of the air in the conditioned space to which the makeup air is being supplied, provisions shall be made to heat the makeup air so that the temperature different ial shall not exceed 15°F (8°C).
Exception: No additional provisions are necessary where the added heating load of the makeup air does not exceed the available excess capacity of the HVAC system that serves the same area.
D.C. Mun. Regs. tit. 12, r. 12-E508