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City approves change order on project

Even before the Lincoln Park street reconstruction project in Glencoe got under way, it has increased in price.
Monday night, the Glencoe City Council approved a $15,493 change order that increased the cost of the project to $5.868 million, but it won’t cost homeowners any additional money in assessments, according to Justin Black, city engineering consultant with Short Elliott Hendrickson (SEH). He said the funds could come from the project’s contingency fund, which is built into the contract.
City Administrator Mark Larson later told the City Council the change order would be covered by “cash on hand and not the contingency.”
The change order involves the city’s water treatment plant on Eighth Street and Elliott Avenue in order to keep the plant operating this summer during the 30-block street and underground utility reconstruction work.
Black said the city has three water towers which provide water to residents during periods the water treatment plant will be shut down. But he added, “… in order to maintain domestic drinking water and fire protection during the summer months, it is critical that the water treatment plant remains in operation on a daily basis.”
Currently, the water treatment plant has “a redundant discharge,” Black said, “sending water to mains on both Elliott Avenue and Eighth Street.”
During the preliminary design phase last year, Black said internal valves at the plant would be used to discharge water to a single discharge point either to mains on Eighth Street or Elliott Avenue. He said that ability to operate off a single discharge point “was critical in developing a phasing plan for the project and eliminate costs for temporary piping systems.” He said that phasing was developed on the “ability to discharge water from either the west or south side of the (water) plant.”
But this spring, in preparation of the Eighth Street shut down, Black said a trial test on the Elliott Avenue system caused water main breaks on two different occasions. Black said the second break “was significant in nature.”
That raised concerns about the reliability of the 1950s vintage water main on the west side of the water plant, Black added.
“It appears it has deteriorated to a point where it cannot be relied upon as a sole source of water distribution for the city,” Black said, and the main must be replaced. Thus, the need for the change order. For more, see the April 22 print edition of The Chronicle.