First-of-its-Kind In-Lake Buoyant Pipeline
Brown and Caldwell's creative engineering design replaced an aging two—mile underwater interceptor in Lake Oswego, Oregon, with an unprecedented buoyant, flexible gravity sewer constructed of HDPE pipe. The $100 million project — that also includes 1.5 miles of pile supported pipe, three miles of cured—in—place rehabilitated pipe and two new pumping stations — allows the city to replace an undersized, corroding, earthquake—vulnerable system with a seismically sound, lower—cost, low—impact system designed to meet the city's needs for another 100 years.
- 2012 AAEE Excellence in Engineering Grand Prize
- 2012 ASCE Outstanding Engineering Achievement Award Brightwater Treatment Plant American Society of Civil Engineers (ASCE) Outstanding Engineering Achievement Award - Finalist
- 2012 APWA Public Works Project of the Year
- 2011 ENR California Award of Merit
- 2010 Plastics Pipe Institute's Project of the Year
- 2010 AGC Grand Award for Best Project