Statutes, codes, and regulations
District Of Columbia Administrative Code
Title 12 - CONSTRUCTION CODES SUPPLEMENT OF 2017Subtitle 12-E - MECHANICAL CODE SUPPLEMENT OF 2017
Chapter 12-E5 - EXHAUST SYSTEMS
Rule 12-E506 - COMMERCIAL KITCHEN HOOD VENTILATION SYSTEM DUCTS AND EXHAUST EQUIPMENT

D.C. Mun. Regs. tit. 12, r. 12-E506

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Current through Register Vol. 71, No. 49, December 6, 2024
Rule 12-E506 - COMMERCIAL KITCHEN HOOD VENTILATION SYSTEM DUCTS AND EXHAUST EQUIPMENT

Strike Section 506.3.13.3 of the International Mechanical Code in its entirety and insert a new Section 506.3.13.3 into the Mechanical Code in its place to read as follows:

506.3.13.3

Termination location. Exhaust outlets shall be located not less than 10 feet (3048 mm) horizontally from parts of the same or contiguous buildings, adjacent buildings and adjacent property lines and shall be located not less than 15 feet (4572 mm) above the adjoining grade level. Exhaust outlets shall be located not less than 20 feet (6096 mm) horizontally from or not less than 5 feet (1524 mm) above doors, operable windows and air intake openings into any building.

Exceptions:

1. Exhaust outlets shall terminate not less than 5 feet (1524 mm) horizontally from parts of the same or contiguous building, an adjacent building and adjacent property line where air from the exhaust outlet discharges away from such locations.
2. On narrow lots where a distance of 20 feet (6096 mm) from doors, operable windows and air intake openings into any building cannot be achieved, the code official is authorized to approve a smaller distance.

When an approved odor and grease removal system is installed, termination is permitted in accordance with the requirements of Section 501.3.1(2).

D.C. Mun. Regs. tit. 12, r. 12-E506

Final Rulemaking published at 67 DCR 5679 (5/29/2020)