BNC Users and Staff - The contractor finished the hammer-drilling work one day early - it is now complete. You are free to resume any vibration-sensitive work that you had put on hold. John John R. Weaver Facility Manager Birck Nanotechnology Center 1205 West State Street West Lafayette IN 47907 (765) 494-5494 jrweaver@purdue.edu<mailto:jrweaver@purdue.edu> nano.purdue.edu