Water Quality Model of the Chicago Waterway
In 1992, the Metropolitan Water Reclamation District of Greater Chicago (the District) developed a QUAL2E water quality model of the Chicago waterway and Upper Illinois waterway. The model...
Simulation of Water Quality Processes in the Chicago Waterway and Upper Illinois River Systems
The U.S. Environmental Protection Agency QUAL2E-UNCAS (QUAL2EU) computer program was used to simulate the water quality processes in the Chicago waterway and Upper Illinois River Systems....
Collection System Inspection and Rehabilitation Program
The Metropolitan Water Reclamation District of Greater Chicago is a regional wastewater and water resources agency responsible for serving an area of about 875 square miles. Recently the...
Automated Data Collection for O'Hare Airport
The Chicago O'Hare International Airport (O'Hare) is one of the busiest facilities in the world. Operating at near capacity, the airport provides a critical link in the United States'...
Travel Time Data Fusion in Advance
The ADVANCE project in the Chicago metropolitan area is one of several ATIS operational tests currently underway in the USA and abroad. Fusion of equipped vehicle (probes) travel time...
Arterial Street Incident Detection Using Multiple Data Sources: Plans for ADVANCE
An Advanced Traveler Information System demonstration called ADVANCE is being prepared for implementation on an arterial street network in the suburbs of Chicago. This paper will describe...
Water-Level, Velocity, and Dye Measurements in the Chicago Tunnels
On April 13, 1992, a section of a 100-year-old underground freight tunnel in downtown Chicago, Illinois was breached where the tunnel crosses under the Chicago River, about 15 meters below...
Rehabilitation of Runway 4R-22L at Chicago's O'Hare International Airport
This paper describes the systematic process that was used to develop a rehabilitation strategy for the busiest runway at O'Hare International Airport. Any rehabilitation alternative that...
Chicago-O'Hare International Airport Transit System (ATS)
This paper describes the development of the O'Hare Airport Transit System, as well as, the individual subsystem elements which make up the entire system. In addition, the paper also describes...
Use of Pressuremeter in Mixed Highrise Foundation Design
The pressuremeter has been used extensively for the evaluation of strength and deformation characteristics of the glacial hardpan soils in the design and construction of caisson foundations...
Ups and Downs in Chicago
The Chicago Title and Trust Center�a 50-story mixed-use complex which opened late last year�offers 1.3 million sq ft of above-grade space, and three levels of below-grade parking. The...
Service Records of Chicago District Breakwater Stone and How These Relate to Test Results
Breakwater stone production is limited to areas with geologic outcrops capable of producing large rocks. The most reliable breakwater stone is that which exhibits the highest degree of...
The Design and Use of Flow-Through Hold Pads
The Chicago Delay Task Force recommended the construction of nine largescale, flow-through hold pads at Chicago O'Hare International Airport to reduce the potential for airfield gridlock....
Traffic Impact Fees in Schaumburg, Illinois
Schaumburg, Illinois, a suburban employment center northwest of Chicago, developed a traffic impact fee program 13 years ago. The program has met with little resistance from developers....
When Sewer Rehab Doesn't Stop Basement Flooding
The western half of Wilmette, Illinois, is served by separate sanitary sewers. Constructed in the late 1920's, this separate sewer system was among the first installed in northeastern...
The Great Chicago Flood of 1992
In April of 1992, a breach in a freight tunnel caused the river that flows through Chicago to pour into city building basements, causing the city to shut down. Critical utility systems...
1991 Update on Sanitary Sewer Rehabilitation Metropolitan Chicago
The Metropolitan Water Reclamation District of Greater Chicago (MWRDGC) owns intercepting sewers and seven water reclamation plants, but 125 local communities own the local sewers which...
Model Studies of Outlet and Intake at McCook Reservoir
Two separate physical models were used to investigate the outflow and inflow into the proposed McCook Reservoir. The proposed reservoir will be located in McCook, Illinois, and will serve...
Sidestream Elevated Pool Aeration Station Design
The Metropolitan Water Reclamation District of Greater Chicago (MWRDGC) is constructing a system of five Sidestream Elevated Pool Aeration (SEPA) stations along the 35.8 mile Calumet River,...
Chicago's Loop: A New Approach
Reconstruction of the Wells St. Viaduct cleaned up a dangerous area just north of Chicago's Loop by providing a structurally sound approach for CTW commuter trains and a column-free...
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