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Council authorizes headworks channel repair contract to protect membranes
Summary
The council voted to authorize a contract to rehabilitate the headworks channel, a step staff and consultants said is necessary to prevent further membrane damage and shorten the path to restoring plant operations.
During the wastewater workshop, Council member Tom moved to authorize the mayor to contract for surface preparation and installation of a multilayer protective lining in the plant’s headworks channel. The motion was seconded and the council approved the contract after roll call.
Engineers and staff told council the headworks channel and screening require rehabilitation to prevent grit and large solids from fouling membranes. One consultant warned that the plant currently lacks redundant screening, which increases the risk of membrane damage if the single screen fails.
What council approved: a contract to have a specialized lining system installed in the headworks channel (motion language in packet) to rehabilitate the channel and extend the useful life of the headworks and membranes. Staff said funds would come from the current fiscal year budget and reserves as approved in the motion.
Next step: staff will finalize the contract with the selected vendor and schedule the work to align with membrane procurement and plant restart planning.
