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Council reviews Legacy Lakes plans and $22 million estimate; presenter seeks approval to solicit bids
Summary
Presenter summarized Legacy Lakes site plan changes (lift station moved to northwest due to a sand vein), stormwater routing to multiple ponds, and an estimated total project cost of about $22.0 million with TIF, assessments and sales tax for flood listed as funding sources; staff asked council to authorize receipt of bids with a planned opening the first week in March.
Carlos presented the Legacy Lakes development plan sheets and described a significant revision to the sanitary lift station location: the lift station has been moved to the northwest corner of the development (near the 16th Avenue entrance) after discovery of a sand vein at the previously proposed southern location and low contractor interest in excavating there.
He described the stormwater design: a trunk storm sewer bored across 210 will route stormwater to Pond 8 and then through the series of development ponds; a storm lift station near Pond 9 will pump out to the ditch along 16th Avenue to Drain No. 1. An emergency overflow connection to Pond 10 was described for pump or system failures.
Carlos presented an itemized cost breakdown and funding plan and said the total project estimate in the packet is approximately $22,000,216.77. Funding sources detailed in the packet include $3,000,000 pledged in the developer agreement for TIF, assessed amounts allocated to phase 1 and phase 2 (phase 1 assessed amount ~ $13.7 million in the presenter’s breakdown), and an estimated sales-tax-for-flood allocation of about $5.1 million.
Council members asked detailed technical questions about phasing (phase 2 south of the Dog Road), whether ponds are gravity-fed (Carlos: gravity-fed until Pond 9, then pumped), whether the ponds will support fishing (not likely due to depth), pump sizing (can be downsized because conveyance distance is shorter), pedestrian facilities (plans include a mid-street pedestrian island and a rapid rectangular flashing beacon or flashing pedestrian beacon on 16th Avenue to link the shared-use path), and park placement (the site originally proposed for the lift station will now be a park).
Carlos asked the council for a motion to approve plans and specifications and authorize receipt of bids for the Legacy Lakes project, with a planned bid opening the first week in March; the transcript excerpt does not show a recorded vote on that motion.
