GARDNER, MASS. — William A. Berry & Son has topped out construction for a $27 million addition to Heywood Hospital in Gardner. The project will add 72,000 square feet of new construction to the hospital, consisting of the Watkins Acute Care & Emergency Center as well as two floors of inpatient facilities. Completion of the addition is slated for July 2010. The multi-phase project will also include the relocation of the CT and MRI services, renovations to the existing emergency room, the construction of a new clinical and oncology building, and renovations to the hospital's lobby and entryway.