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River Ridge approves $7,026 repair for lake aeration equipment
Summary
The board approved a one-time work order with Premier Lakes, authorizing $7,026 to repair nano bubble aeration equipment on three lakes after staff presented alternatives to a $25,000 manufacturer replacement.
Bill Kurth of Premier Lakes told the board that "the lakes and the dry retention areas (DRAs) are in good condition," while also reporting issues with the nano bubbler systems on Lakes H1-A, H1-B and E7-A. Member Terry Mountford raised concerns about invasive vegetation at Lakes 9, E3-C and Conservation B-2191 and requested inspection and treatment.
Kurth said the manufacturer Mollier proposed a $25,000 replacement for the nano bubblers. As a lower-cost alternative, Premier presented a one-time work order to replace nonstandard 8-horsepower pumps, aeration compressors and check valves to return systems to operation and then evaluate for further repairs. On motion by Kurt Blumenthal and seconded by Robert Twombly, the Board approved the Premier Lakes One-Time Work Order Agreement, as amended, in the amount of $7,026 to repair the nano bubble machines on the three lakes.
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