Roseland Pump Station

With a capacity of over 300-mgd, the Roseland Pump Station was the largest of five steam-powered stations remaining in the City of Chicago. The nearly 90-year old station provides drinking water for 750,000 people on Chicago's south side and in the southern suburbs.  The station was converted to natural gas and oil in the 1960's.  During unusually high peak demands in the summer, however, the lack of reliability and operational difficulties of the aging station became evident, and the Department of Water Management decided to convert from steam to electric power. 

CTE streamlined the design period to under 18 months through regular workshop meetings and onsite evaluation.  To serve high electric loads for this large pumping station, ComEd provided four incoming services to supply the three 3,750-HP and two 2,250-HP pumps, all with variable frequency drives.  Because of an increasing number of electrical power outages in the area, CTE also designed the electrical system with eight 2,000-KW stand-by generators, five diesel and three natural gas fueled, and the necessary paralleling equipment.