// CODE SNIPPET
506.3.1.2 Makeup Air Ducts
JUMP TO FULL CODE CHAPTER
Makeup air ducts connecting to or within 18 inches (457 mm) of a Type I hood shall be constructed and installed in accordance with Sections 603.1, 603.3, 603.4, 603.9, 603.10 and 603.12. Duct insulation installed within 18 inches (457 mm) of a Type I hood shall be noncombustible or shall be listed for the application.
Related Code Sections
506.3.1.2 Exhaust Systems, Makeup Air Ducts
Makeup air ducts connecting to or within 18 inches (457 mm) of a Type I hood shall be constructed and installed in accordance with Sections 603.1 ...
Mechanical Code 2018 of Maryland > 5 Exhaust Systems > 506 Commercial Kitchen Hood Ventilation System Ducts and Exhaust Equipment > 506.3 Ducts Serving Type I Hoods > 506.3.1 Duct Materials > 506.3.1.2 Makeup Air Ducts
1105.6.2 Refrigeration, Makeup Air
Provisions shall be made for makeup air to replace that being exhausted. Openings for makeup air shall be located to avoid intake of exhaust air ...
Mechanical Code 2018 of Maryland > 11 Refrigeration > 1105 Machinery Room, General Requirements > 1105.6 Ventilation > 1105.6.2 Makeup Air
3.3.14.12* Definitions, Spray Area.
(distillation) unit; and (7) the inside of a membrane enclosure. The following are not part of the spray area: (1) fresh air makeup units; (2) air supply ducts ...
State of Maryland Fire Prevention Code > 3 Definitions > 3.3 General Definitions > 3.3.14 Area > 3.3.14.12* Spray Area.
601.2 Duct Systems, Air Movement in Egress Elements
Corridors shall not serve as supply, return, exhaust, relief or ventilation air ducts. Exceptions: Use of a corridor as a source of makeup ...
Mechanical Code 2018 of Maryland > 6 Duct Systems > 601 General > 601.2 Air Movement in Egress Elements