A former fraternity house owned by the State College Redevelopment Authority for the past three years is poised to become the new home for Centre Helps. State College Borough Council on Monday discussed — and generally supported — loaning $1.5 million the Redevelopment Authority to renovate two floors of the former Alpha Chi Sigma house at 406 S. Pugh St. for the local nonprofit human services agency. The loan would come from the borough's cash…