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LaSalle approves $3.487 million in wastewater work, schedules SCADA upgrade
Summary
The council awarded two contracts totaling about $3.487 million for lagoon cleaning and WWTP improvements and approved using a partially forgiven loan that will also fund a new wastewater SCADA system to improve real-time monitoring.
The LaSalle City Council voted to award two construction contracts to address wastewater system needs and to fund an upgrade to the city's wastewater SCADA (supervisory control and data acquisition) system.
Council approved a $2,398,000 contract to Stewart Spreading Inc. for 2024 wastewater system lagoon cleaning and related work. City staff said the project is financed with a loan that includes loan forgiveness and that, while construction is planned for next fall, some reed and cattail removal could occur in spring. Staff described logistics for hauling and permitting, and said sealed tankers will be used to move material. One alderman asked whether trucks would traverse city roads; staff replied they will use state roads where possible and will avoid city streets.
Council also approved a $1,089,000 contract to Leander Construction Inc. for wastewater treatment plant improvements. Staff noted the loan package will also fund an upgrade to the wastewater SCADA system so the city's plants and lift stations can be monitored in real time. "SCADA is a way for each of our plants and our lift stations to talk to each other and so we can, in real time look at the data on a tablet, on a phone," a city staff member said, describing the expected operational visibility.
Staff cautioned that while SCADA can improve monitoring, overtime savings on the wastewater side are possible but not guaranteed. Both contract awards were approved by roll-call votes.
The contracts are expected to proceed through permitting and scheduling, with some early vegetation removal possible in spring and major work later in the year.
