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// CODE SNIPPET

506.3.8.1 Personnel Entry

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 > 506.3.8 Grease Duct Cleanouts and Openings > 506.3.8.1 Personnel Entry
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Where ductwork is large enough to allow entry of personnel, not less than one approved or listed opening having dimensions not less than 22 inches by 20 inches (559 mm by 508 mm) shall be provided in the horizontal sections, and in the top of vertical risers. Where such entry is provided, the duct and its supports shall be capable of supporting the additional load, and the cleanouts specified in Section 506.3.8 are not required.

Related Code Sections


506.3.8.1 Exhaust Systems, Personnel Entry
Where ductwork is large enough to allow entry of personnel, not less than one approved or listed opening having dimensions not less than 22 ...
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 > 506.3.8 Grease Duct Cleanouts and Openings > 506.3.8.1 Personnel Entry
3.3.29.11 Definitions, Storage Tank Building
, is of sufficient size to allow entry by personnel, will likely limit the dissipation of heat or dispersion of vapors, and restricts access for fire fighting ...
State of Maryland Fire Prevention Code > 3 Definitions > 3.3 General Definitions > 3.3.29* Building > 3.3.29.11 Storage Tank Building
32.3.3.4.3 New Residential Board and Care Occupancies, Annunciator Panel
An annunciator panel, connected to the fire alarm system, shall be provided at a location readily accessible from the primary point of entry ...
Life Safety Code 2018 of Maryland > 32 New Residential Board and Care Occupancies > 32.3 Large Facilities > 32.3.3 Protection > 32.3.3.4 Detection, Alarm, and Communications Systems > 32.3.3.4.3 Annunciator Panel
13.7.2.20.3 Fire Protection Systems, Annunciator Panel
An annunciator panel, connected to the fire alarm system, shall be provided at a location readily accessible from the primary point of entry ...
State of Maryland Fire Prevention Code > 13 Fire Protection Systems > 13.7 Detection, Alarm, and Communications Systems > 13.7.2 Where Required and Occupancy Requirements > 13.7.2.20 New, Large (More Than 16 Residents) Residential Board and Care Occupancies > 13.7.2.20.3 Annunciator Panel
30.3.4.3.2 New Apartment Buildings,
Annunciation shall be provided at a location readily accessible from the primary point of entry for emergency response personnel ...
Life Safety Code 2018 of Maryland > 30 New Apartment Buildings > 30.3 Protection > 30.3.4 Detection, Alarm, and Communications Systems > 30.3.4.3 Notification > 30.3.4.3.2
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