A twenty-inch clear exterior building expansion joint bridges between a new NRC building exterior plaster assembly and an existing ECC building two-hour fire-rated shaft wall assembly. The joint incorporates a flexible expansion joint gasket, specifically a C/S SC-2000 model, backed by a continuous vapor barrier. A zero-point-zero-twenty-five-inch aluminum closure flashing terminates the exterior plaster assembly at the joint interface. Two-hour fire-rated shaft walls extend to maintain fire separation across the structural transition.
EXPANSION JOINT FLEXIBLE GASKET (C/S SC-2000) VAPOR BARRIER 3" 2-HR FIRE-RATED WALL 2-HR FIRE-RATED SHAFT WALL - EXTEND (E) WALL ASSEMBLY 2-HR FIRE-RATED SHAFT WALL - EXTEND (E) WALL ASSEMBLY (N) NRC BLDG 20" EXPANSION JOINT, CLEAR (E) ECC BLDG EXPANSION JOINT FLEXIBLE GASKET (C/S SC-2000) VAPOR BARRIER 3" (E) 2-HR FIRE-RATED WALL 2-HR FIRE-RATED SHAFT WALL - EXTEND (E) WALL ASSEMBLY 2-HR FIRE-RATED SHAFT WALL ASSEMBLY 20" EXPANSION JOINT, CLEAR (E) ECC BLDG (E) EXTERIOR PLASTER ASSEMBLY (N) NRC 0.025" ALUMINUM CLOSURE
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