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District hears two options to fix aging water tanks; bids due in December
Summary
Consultants presented two repair options for the district’s corroded water tanks—relining the existing tanks or replacing them with twelve 1,100-gallon plastic tanks—and said contractor bids and DEP application timing make a December decision time-sensitive.
Consultants from SiteLogic presented the board with two distinct options on how to address corrosion and discolored water linked to the district’s storage tanks.
SiteLogic described Option A as refurbishing the two existing tanks: cutting access openings, sandblasting interior and exterior surfaces, installing a 3–4-inch epoxy liner and a baffle to meet DEP chlorine contact-time requirements, and replacing taps and inlet/outlet piping. Option B would remove the existing steel tanks and install twelve 1,100-gallon plastic tanks in the same footprint, rebuild the housekeeping pad and reconfigure piping and booster pumps.
The consultant told the board contractors have the drawings and pricing is expected back in December. “We will have those two options with the full price to consider for you to make a selection,” the consultant said, and warned that a DEP approval could take about 120 days once an option is selected.
Board members pressed on water quality and corrosion causes. The consultant said recent water sampling showed marginally high hardness and low pH and that a water-softener is not recommended now because lowering pH can increase corrosivity. Instead, the team recommended a dual-cartridge filtration approach and ongoing monthly water sampling; they said the liner or tank replacement would address sediment and interior corrosion.
Administrators asked for a follow-up conference call with SiteLogic and the district’s water-analysis firm and said they will schedule a December meeting to review contractor pricing and a not-to-exceed contract. The board did not approve a final contract at this meeting; staff said they expect to return with final numbers and a timeline before procurement and long-lead equipment orders begin.
