Archive for Thursday, December 20, 2007

Sewage system upgrades will begin in 2008

December 20, 2007

Work to improve Eudora's sewage system will begin in early 2008. A system analysis completed by BG Consultants in February in order to ascertain what could be done to make the wastewater treatment plant run at full capacity showed that sewage lines needed to be upsized.

City Administrator Cheryl Beatty said that new real estate developments added to the workload, and though the plant could handle it, the middle interceptor, which is the main line that runs through Eudora, was at full capacity.

There also were inflow and infiltration problems because of manholes that weren't locked in the east and middle tributaries of the Wakarusa River that caused the plant to be flooded in August 2005.

The manholes were locked down soon thereafter and the consultants evaluated the entire sewage system using cameras to identify problem areas.

The first project identified in Phase I of the study is called the middle interceptor project and is out for bid. The project will seek to increase the size of the sewage lines located in the areas of Blue Stem and Sandusky Drives; 15th Street between Main and Acorn Streets; and 14th and 12th Streets between Spruce and Fir Streets. Each area will be bid separately.

"We've divided it up into sections with the idea that we cold get more multiple bids," Beatty said.

The deadline for bids for the middle interceptor project is Jan. 10, with construction beginning in early spring.

Phase II of the project will install a parallel line next to the middle interceptor for future development. However, it will only be built if developers wish to pay for its construction, which would be approximately $2 million.

Inflow and infiltration will continually be monitored and Beatty said that money should be set aside on an annual basis to maintain the system and combat any issues that arise.

In order to comply with suggestions made by the Kansas Department of Health and Environment, a small inflow infiltration lagoon also will be built during the spring and summer at a cost of $800,000.

The lagoon will give the plant more capacity and allow the plant to function at a higher level for a longer amount of time.

A belt filter press for sludge processing, which was purchased at cost of $350,000, is ready to be hooked up.

"In 2008, a lot of the sewer issues that we have been dealing with likely will get taken care of," Beatty said.

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