To install a pair of fire/smoke doors to separate the elevator lobby from the existing rated corridor. Doors and frame to be minimum of 20 minute labeled assembly with smoke gaskets, center astragal and be automatic closing by activation of smoke detectors. All per approved plans & specs. New construction to be a 1-hour F.R. Assembly with existing const. to be maintained as 1-hr. / Sec. 1005.7 UBC. Separate electrical permit required. NOTE: FINAL APPROVAL REQUIRED BY FIRE DEPT., IN FIELD, AS PART OF PROCEDURE FOR OBTAINING A LETTER OF COMPLETION FOR THIS PROJECT. THIS BUILDING IS FULLY FIRE SPRINKLERED P.C.#474-96)