TO REMOVE EXISTING DOUBLE DOORS & INSTALL A NEW PAIR OF DOORS WITH ONE LEAVE BEING 36" WIDE FOR ACCESSIBILITY & THE OTHER A 2'-8" LEAF, TO BE A 20 MINUTE SMOKE & DRAFT CONTROL ASSEMBLY PER SECTION 1004.3.4.5 TO SEPARATE THE ELEVATOR LOBBY FROM THE TENANT SPACE. TO INSTAL PITTSBURG CORNING 3/4-HOUR RATED ASSEMBLY GLASS BLOCK IN EXISTING WALL SYSTEM, TO BE INSTALLED PER LISTING AND ATTACHED ARCHITECT SUPPLIED DETAILS FROM BLOCK MANUFACTURE. ALL PER APPROVED PLANS, NOTES & PLAN REVIEW ATTACHMENTS. NOTE: This building is fully fire sprinklered to allow the 5th story and allow certain existing features under the 1994 Uniform Code for Building Conservation (UCBC), for HISTORIC STRUCTURES (BLD99-0367). (P.C.#959-99)/drs