BALTIMORE COUNTY CONTRACT #10042 PO0: 9-1-1 CALL CENTER RELOCATION, BALTIMORE COUNTY COURTS BUILDING, 401 BOSLEY AVENUE, TOWSON, MD 21204. The proposed work consists of: Furnish all labor, materials, appurtenances to construct a 9-1-1 Call Center on the north ends of the first (1st) and Mezzanine Floors of the Baltimore County Courts Building. 69,350 square feet of renovations. ***A MANDATORY pre-bid meeting will be held on Wednesday, July 28, 2010 at 10:00 a.m. local time at the proposed site in the Courts Building, Law Library, 1st Floor North End, 401 Bosley Avenue, Towson, MD 21204. A walk through of the site will be conducted following the meeting.