Nightclub Expansion With Exit Access Through a Commercial Kitchen
A 6,000-square-foot nightclub (A-2) in a fully sprinklered building has a calculated occupant load of 280. The main entrance is a 6-foot-wide storefront door. The second exit is a 3-foot-wide door at the rear of a commercial kitchen; the only path to it runs 30 feet through the kitchen between a 32-inch aisle formed by cooking equipment and a prep table. The rear door is kept locked during service and a manager carries the key. The owner submits a permit to add a 900-square-foot VIP lounge, increasing the calculated load to 340. The lounge has one 36-inch door into the main club. The front door is 60 feet from the farthest point in the lounge; the rear kitchen exit is 140 feet away. The owner argues that the front door is wide enough for the extra people and that the kitchen path is existing. The CBO must decide whether to approve the expansion and what to require.
1. Evaluate the exit access through the kitchen and the locked rear door.
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The rear door is not a usable exit as arranged. Egress doors must be readily openable from the inside without a key, tool, or special knowledge. A door locked during service with the key held by a manager fails that requirement regardless of the door width.
The exit access is also deficient. The code permits egress through an intervening space only where the path is clear, unobstructed, and not through a room that can be locked against occupants. A commercial kitchen with cooking equipment, a prep table, and a 32-inch aisle is not a clear egress path. The path exposes occupants to cooking hazards and is likely to be obstructed during service.
Because the rear door cannot be counted, the club has only one usable exit for 280 occupants, far above the one-exit limit. That is an existing life-safety violation, not merely an expansion issue. The CBO should require immediate correction of the locked door and the obstructed path, and should not approve the expansion while the second exit is unusable. If the path cannot be made compliant, the occupant load must be reduced to the one-exit limit until a compliant second exit is provided.
2. Does increasing the front door to 8 feet and adding the VIP lounge solve the number-of-exits problem? What about the VIP lounge itself?
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No. Increasing the front door width addresses egress capacity, not the number, remoteness, or arrangement of exits. A 340-occupant A-2 space needs at least two compliant exits that are remote from each other. One wide front door plus a locked, obstructed kitchen door is still one usable exit.
The VIP lounge has its own problem. At 900 square feet and an A-2 occupant load factor of 15 square feet per occupant, the lounge calculates to 60 occupants. That exceeds the 49-occupant threshold for a single exit. If the lounge is a room or separated area with one 36-inch door, it needs a second exit or a legally enforced occupant load of 49 or less. If the lounge is fully open to the main club and the main club's exits are accessible without passing through a single controlling door, the designer may be able to justify treating it as part of the main space, but that must be shown on the plans and accepted by the CBO.
The CBO should deny the expansion as submitted. Approval requires a compliant second exit from the club, a corrected kitchen path or a new exit, and either a second exit from the VIP lounge or a reduced, posted lounge load.
3. What conditions would you place on a permit to allow continued operation while corrections are made?
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First separate imminent hazards from long-term corrections. The locked rear door must be unlocked immediately, and the storage or equipment obstructing the path must be removed. The rear door needs panic hardware or other compliant releasing hardware, emergency lighting, and exit signage. The 32-inch aisle through the kitchen must be widened and kept clear if the door is to be used as an exit; if that cannot be done, the door cannot count, and the occupant load must be reduced to the one-exit limit.
For the expansion, require revised plans showing a second remote exit, door and stair capacity, panic hardware, and a compliant VIP lounge arrangement. Until the second exit is complete and inspected, limit the club to the one-exit occupant load and close or limit the VIP lounge to 49 occupants. Require a written schedule and inspections before any increase in load.
A temporary certificate of occupancy may be considered for the reduced load only if the building is otherwise safe, with posted limits and no use of the noncompliant areas. The CBO should document that the fire watch, if used, is temporary and does not replace the required exit.