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Pump Stations

O’Hare Sunken Caisson Pump Station

O’Hare Sunken Caisson Pump Station

Location
Chicago, Illinois
Owner
City of Chicago
Architect
AECOM, O’Brien and Associates, Inc., Rubinos & Mesia Engineers, Inc.
Contract Value
$17,000,000

This project featured a 60-foot-diameter sunken caisson pump station, a concrete spillway and an intake structure. The work included rock grouting, rock anchors, pipe jacking, support of excavation pilings, excavation, reinforced concrete, erosion control, storm sewer installation, service roadway construction and landscaping. The finished pump station includes three 4000-GPM high-flow pumps and two 1100-GPM low-flow pumps. The pumps move detention basin water through 24-inch and 20-inch ductile iron process piping. All pumps and valves are managed by a programmable logic controller and variable frequency drives in the structure’s electrical room.

4000
The finished pump station includes three 4000-GPM high-flow pumps and two 1100-GPM low-flow pumps.

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Walsh

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929 West Adams Street
Chicago, Illinois 60607
T: 312.563.5400
F: 312.563.5466

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Toronto, Ontario M2P 2E9
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The Walsh Group, Ltd. is committed to providing equal opportunity to qualified applicants with disabilities to compete for jobs. To request a reasonable accommodation in completing this application, please contact the Human Resources Department via phone at 312-563-5905 or via email at HR@walshgroup.com. The Walsh Group does not screen applicants based on their wage or salary history or seek this information from applicants’ current or former employers.   Walsh Canada Accessibility