Chapman Construction Newton, Massachusetts For this unique Platinum LEED project, construction management firm, Chapman Construction, installed a 47 kW SunPower PV solar power array atop its headquarters in Newton, Mass. The array is one aspect of Chapmans green renovation, which includes Elevate UltraPly TPO membrane and Elevate RubberGard EPDM with white AcryliTop coating. Chapman Construction / Newton, MA