North Branch Construction, Inc., of Henniker, N.H., has been chosen as construction manager for the new 31,800 s/f Stonyfield Farm Plant Office Building on Burton Dr. The new two-story building will be constructed with a structural steel frame and metal siding and be built for sustainability. The environmentally friendly facility will feature a vegetated roof, sunshades, solar panels and include cafeteria, locker room and office space. Construction will begin in early September and be completed in the summer of 2008.