Pittsburgh-based Chester Engineers has merged with Canada-based Hatch Ltd., the companies announced Friday. Chester Engineers, a regional water and wastewater treatment engineering and management firm, and Hatch, a mining, energy, and infrastructure engineering and management firm, have formed Hatch Chester. "Together, we will offer a broader range of services to clients, both within the U.S. and globally," said Hatch CEO John Bianchini. "Chester's history in water and infrastructure spans over...