Cambridge Technology eyes downtown Columbus digs. (Cambridge Technology Partners)

A Massachusetts-based software firm has tentative plans to move its regional operations into an office building planned along the downtown riverfront.

Cambridge Technology Partners, which now has a Dublin office, will anchor the proposed 71,000-square-foot building Arshot Investments Corp. has planned for Civic Center Drive and Rich Street, real estate sources said.

On Nov. 11, Columbus City Council is expected to consider a 10-year, 50-percent property tax break for the $6.8 million first phase of the Bicentennial Plaza project The break would come in the form of a council-approved enterprise zone.

Dan Schoedinger, the Vorys Sater Seymour and Pease partner …