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Improving Baton Rouge’s Sewer System with New Wastewater Pump Stations Stanley Consultants designed 16 new replacement pump stations for the City of Baton Rouge to resolve city-wide sewer problems and position the City to realize millions of dollars in fiscal savings through a 25-year planning period. Learn More
De-Congesting Arizona’s Chino Valley Highway Stanley Consultants served as Arizona DOT’s prime design consultant to develop an innovative solution to the congestion and safety problem on SR 89. Learn More
Air Force Base Runway Replacement Supports Global War on Terrorism Stanley Consultants was retained by Perini Corporation as the lead design firm and coordinator throughout design, construction and closeout activities of the Andersen Air Force Base in Guam. Learn More
World’s Biggest Chiller Cools Qatar Island Stanley Consultants provided engineering design services for the world’s largest Integrated District Cooling plant, serving the needs of Qatar Island. The plant is also equipped with a desalination plant. Learn More
Emissions Reductions Are Key in Power Plant Design Stanley Consultants served as owner’s engineer for City Utilities of Springfield, Missouri, 300 megawatt power plant, providing preliminary and detailed design of the entire plant which is equipped with state-of-the-art emissions reductions technology. Learn More
Transforming Fire-Damaged Landmark Into Popular Venue Through adaptive reuse, the fire-damaged Credit Island Lodge was reconstructed as an attractive public space. The structure’s historic look was retained, yet its functional value is far greater with public rental higher than before the fire. Learn More

Water Main Hot Tap Critical to O’Hare Runway Project

A critical water main relocation was the enabling project for the $6.6 billion O'Hare International Airport modernization project in Chicago, Illinois.  The 90-inch pressurized water main lay directly under the proposed path of the runway expansion.  The team of Stanley Consultants and T.D. Williamson was selected to stabilize, hot tap, and divert the water main while pipeline was being constructed around the proposed runway.

Stanley Consultants designed a thrust block restraining collar that absorbed the internal and external forces, transferring all loads from the hot tap and the pressurized pipe into the ground by use of 10 large diameter caissons tied together with a concrete cradle and steel tube framing.  Once the pipe was tapped and the bypass was operating, the new 90-inch water main was connected and switched over without incident.

The 25-year-old water main served O'Hare.  Project complications could have grounded hundreds of flights. Careful engineering and design services resulted in no water service disruptions.  The pipe size and design water pressure within the pipe, combined with the social and economic impacts made this a one-of-a-kind project.  Using the hot tap process over the next best alternative resulted in a savings of $80 million.

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