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Public Works wins approval for $5,300 remote-inspection of two water towers
Summary
Council approved a $5,300 Bolton & Mink quote to perform ROV inspections of both elevated water storage tanks after staff recommended the robotic inspection as the most thorough and cost-effective option; inspection frequency to be every 3–5 years per MDH guidance.
Public Works Director Danny told council the Minnesota Department of Health recommends inspecting elevated potable-water tanks every three to five years and presented two quotes for inspections. Danny recommended the Bolton & Mink quote with an ROV (remote-operated vehicle) at $5,300 for both towers.
"What that means is they'll drop a remote control car inside the tank while it's full of water, inspect the tank, give us the report," Danny said, describing the ROV approach as less disruptive and more thorough than draining tanks. Council discussed the timeframe and trade-offs; a motion to approve the ROV inspection passed 4-0.
Danny noted one tower had been recoded and inspected about ten years ago; the other tower has not had such an inspection in roughly 22 years, so sedimentation is expected to be found. Staff will schedule the inspections and report findings back to council.
