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Public works reports steady November flows, high treatment rates and several pump-station repairs
Summary
Public works staff reported November wastewater flows (max ~5.5 million gallons, average ~2.8 million), high treatment performance (BOD 97.6%, TSS 99%), a Snowberry pump issue with a corroded o-ring and a roughly $5,000 replacement bracket, and outlined capital projects and budget timing for January.
Public works staff delivered a detailed operating report for November, reporting modest volumes and strong treatment performance while describing recent equipment failures and upcoming capital work.
"At a max of 5,500,000 gallons, it's a pretty dry month. Average 2,800,000," the staff member said, reporting monthly flow volumes. The staff member reported treatment metrics including "BOD removal was 97.6, and TSS was 99%," ammonia readings around 0.28 (units not specified) and that the plant removed "almost 88% of nitrogen," adding the system was "63 pounds under the permit." The staff also said there is no phosphorus permit in effect until April 1 and that seasonal UV treatment will resume with the permit.
Staff described equipment failures and repairs at multiple pump stations. At the Corporate pump station, a pump-1 failure was traced to a loose relay that was replaced with no further faults reported. At Snowberry Pump Station, staff reset a failed pump 2 and reported ongoing water intrusion around a corroded o-ring where the submersible seats; they said a new bracket and flange to replace the base is on order and estimated the parts at "about 5,000," with installation planned before Christmas. West Farms pump station experienced a small power blip that has been cleared.
Crews inspected Harlan Road with a mainline camera and found a lateral blockage caused by roofing material inside a resident’s lateral; staff verified the mainline itself was clear. Staff also reported collection-system work on Burlington Road, Farmington Avenue and the jug-handle area, fog inspections at Panera Bread and People Choice in Unionsville, storm-drain cleaning at Tallwood, and replacement of corroded control boards on equipment.
On operations and safety, staff said they replaced o-rings in environmental systems, completed semi-annual calibration of ammonia, nitrate and UVT sensors, and conducted an on-site fire-protection inspection that prompted battery purchases to maintain alarm systems. Staff also said new shelving for cold-weather storage is arriving to organize highway and emergency equipment.
Regarding finance and planning, staff said they will start budget work in the next two weeks and will include several projects in the January engineering report: upgrades to Forest Main (including two smaller stations), a station for Fairview, playground work on South Road, generator stations and PLC work. Staff said they expect firm cost estimates by January; panels for the INC control are due in the first week of January and staff estimated control work would take about three to four weeks.
The transcript records several specific figures (flows, removal percentages, 63 pounds under permit, an approximate $5,000 parts order, and a $2,000 connection charge) but does not provide full supporting documentation or units in every case. Staff indicated they will provide updated cost estimates and scheduling details in January.
