The Ballwin Fire Protection District officially opened Engine House No. 3 Sunday at Manchester Road and Missouri 109 in Grover. The building was designed to be energy efficient, it has eight bays for firefighting equipment, two for maintenance, a maintenance shop, living and exercise rooms for firefighters and paramedics and space for district headquarters. The district serves a 57.5 acre area bounded on the east by the city of Manchester, on the west by the Franklin county line, on the south by the Meramec River and extending to one-half mile north of Clayton Road on the north.