AN ALTERNATIVE PROJECT DELIVERY APPROACH FOR THE CITY OF PORTLAND'S WEST SIDE COMBINED SEWER OVERFLOW PROGRAM

2003 ◽  
Vol 2003 (12) ◽  
pp. 724-744 ◽  
Author(s):  
Paul Gribbon ◽  
Gary Irwin ◽  
Glenn Boyce ◽  
Greg Colzani ◽  
Jim McDonald
Keyword(s):  
Project Delivery ◽  
Combined Sewer Overflow ◽  
West Side ◽  
Combined Sewer ◽  
Sewer Overflow ◽  
Alternative Project Delivery ◽  
The City ◽  
Delivery Approach

Combined sewer overflow from the city area of Munich

1994 ◽  
Vol 146-147 ◽  
pp. 493-498 ◽  
Author(s):  
W. Schulz ◽  
M. Brechenmacher ◽  
H. Wirth
Keyword(s):  
Combined Sewer Overflow ◽  
City Area ◽  
Combined Sewer ◽  
Sewer Overflow ◽  
The City

Development of a Combined Sewer Overflow Long-Term Control Plan for the City of Omaha, Nebraska

2009 ◽  
Vol 2009 (2) ◽  
pp. 789-797
Author(s):  
Thomas Heinemann ◽  
Patricia Nelson ◽  
Scott Aurit ◽  
Marty Grate ◽  
Jim Theiler
Keyword(s):  
Combined Sewer Overflow ◽  
Control Plan ◽  
Combined Sewer ◽  
Sewer Overflow ◽  
The City

Experience with Vortex Separators for Combined Sewer Overflow Control

1993 ◽  
Vol 27 (5-6) ◽  
pp. 93-104 ◽  
Author(s):  
H. Brombach ◽  
C. Xanthopoulos ◽  
H. H. Hahn ◽  
W. C. Pisano
Keyword(s):  
Separation Efficiency ◽  
Operational Reliability ◽  
Second Phase ◽  
Combined Sewer Overflow ◽  
Specific Storage ◽  
Impervious Area ◽  
Evaluation Phase ◽  
Combined Sewer ◽  
Sewer Overflow ◽  
Overflow Control

In 1987 the first vortex solids separator facility in Germany was installed for combined sewer overflow (CSO) control. The separation efficiency was optimized in the hydraulic laboratory using scaled down models with artificial tracers to simulate typical sewage particulates. The station has two parallel operating vortex separators and serves a connected and impervious area of about 11 hectares (ha) and 1,500 people. The specific storage volume of the station is 7.2 m3 per ha. Two evaluation programs were conducted. The first evaluation phase noted the operational reliability, hydraulic loads, overflow frequencies and water mass balances. The second phase monitored separation efficiencies. The evaluation showed that vortex solids separators are now ready for use in CSO control.

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