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IBC 2009 - create a 13'x10' room inside a 763sf lab - need a strobe or exit sign?

syarn

Silver Member
Joined
Jan 20, 2010
Messages
251
Location
Philadelphia, Pennsylvania, United States
For a 763 sf existing laboratory; If we add a 13' x 10' room with 1 door in it; Walls to the ceiling. Does an exit sign and / or fire strobe light need to be added in the new room and what code section would require this?
 
If it only has one exit the sign should not be required, fire alarm notification device may be arguable...I can't cut and paste NFPA....

SECTION 1011 EXIT SIGNS

1011.1 Where required. Exits and exit access doors shall be marked by an approved exit sign readily visible from any direction of egress travel. The path of egress travel to exits and within exits shall be marked by readily visible exit signs to clearly indicate the direction of egress travel in cases where the exit or the path of egress travel is not immediately visible to the occupants. Intervening means of egress doors within exits shall be marked by exit signs. Exit sign placement shall be such that no point in an exit access corridor or exit passageway is more than 100 feet (30 480 mm) or the listed viewing distance for the sign, whichever is less, from the nearest visible exit sign.

Exceptions:

1. Exit signs are not required in rooms or areas that require only one exit or exit access.
 
two items

DB level has to be 15 DB above ambient, so that needs to be checked.

If there is a window in the door or wall, possibly if one is in the existing room and can be seen through the window to the new room, may not have to add.

FROM::::::

From the 2009 IFC

907.6.2.3 Visible alarms. Visible alarm notification appliances shall be provided in accordance with Sections 907.6.2.3.1 through 907.6.2.3.4.

Exceptions:

1. Visible alarm notification appliances are not required in alterations, except where an existing fire alarm system is upgraded or replaced, or a new fire alarm system is installed.

2. Visible alarm notification appliances shall not be required in exits as defined in Section 1002.1.

3. Visible alarm notification appliances shall not be required in elevator cars.

907.6.2.3.1 Public and common areas. Visible alarm notification appliances shall be provided in public areas and common areas.

907.6.2.3.2 Employee work areas. Where employee work areas have audible alarm coverage, the notification appliance circuits serving the employee work areas shall be initially designed with a minimum of 20-percent spare capacity to account for the potential of adding visible notification appliances in the future to accommodate hearing impaired employee(s).
 
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