A pre-proposal conference will be held at 12:30 P.M., Sept 25, 2009 at 2100 Clarendon Blvd, Arlington VA 22201, in conference room Azalea (1st floor) to allow potential offerors an opportunity to obtain clarification of the specifications and requirements of the work. ATTENDANCE IS OPTIONAL. Minutes of the pre-proposal conference will not be recorded or published. Interested offerors are urged to attend.