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Council approves change order for Lake Tawakoni pump-station bypass; staff outlines $285,716 bypass cost and header-replacement background
Summary
Staff briefed council on a header-replacement project tied to the raw water-line contract and requested approval for a temporary bypass at the Lake Tawakoni pump station costing $285,716; council approved the related change order and earlier raw water-line contract award amounts were recapped.
City staff described work tied to the raw water-line replacement and a header project that will replace a 27-inch header with two 36-inch headers to increase pumping capacity for Greenville and wholesale customers. Staff said the raw water-line contract was awarded in 2023 for $32,939,000 and that the header project requires a temporary bypass to keep pumps operating during work.
The staff presentation cited a bypass cost of $285,716 to build temporary piping and reroute pumps to maintain reservoir flows while crews complete the header replacement, which the presenter said would take about four months. Council moved to approve the change order; staff said funds would be reallocated from the raw water-line project and other previously authorized certificate-of-obligation funds. "It's going to take about 4 months to do the work they say," staff said, describing the construction sequence and the need to keep water flowing during repairs.
