To upgrade the corridor on the south end of 2nd floor to 1-hr. per approved plans on file. Work to include removal of existing doors and assemblies and replacement of any not labled as 20-min, removal of one double door assembly with wall, patching of rated corridor wall, removal of all ceiling light fixtures and relocating in new rated corridor ceiling enclosures, providing new smoke/fire dampers for all duct penatrations, installing new twenty minute rated door assemblies and 45-min rated glazings within the corridor, and installing a new rated ceiling for entire corridor per approved plans and attachments. (P.C.#447-96) PRP