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L1-04B.09 – Fire Rating of a Door

L1-04B.09 – Fire Rating of a Door Doors rated by ability to withstand & prevent fire spread Door rating covers the door, the door frame & all hardware on the door or the frame Drilling holes in the door (even if they do not go through to the other side)...

L1-04B.08 – Stairwells

L1-04B.08 – Stairwells Restricted Egress From The Stair Side In The Event Of A Fire May be allowed in new healthcare occupancies on all levels In other occupancies you can limit the ability of someone to exit the stairwell on other levels if reentry is allowed...

L1-04B.07 – Power Failure

L1-04B.07 – Power Failure Door must unlock if power is lost to the exit sensor Loss of power to the part of the system that controls the door should unlock the door What should happen in the event of a power failure? The door must unlock if power is lost to the...

L1-04B.06 – Entry Door Requirements

L1-04B.06 – Entry Door Requirements Unlock when the building automatic sprinkler or fire detection system, if provided, is activated. The doors shall remain unlocked until the fire alarm system has been reset. Unlock from the exit side when the building is open...

L1-04B.05 – Required Exit Devices

L1-04B.05 – Required Exit Devices If you electronically lock & unlock the door, you will need: a sensor that detects an occupant as they approach the door and unlock the door AND  a manual release device located 40 to 48 inches above the finished floor...