City of Lawrence Opengov #CIFB-2600057

Pump Station 9 construction improvements, equipment upgrades, and related manhole work

The City of Lawrence is seeking construction bids to rehabilitate and expand Pump Station 9 and upgrade associated facilities. - Government buyer: City of Lawrence, Kansas, through MSO - CMED; project location is Lawrence, Douglas County. - Project designer: Black & Veatch Corporation. - Construction scope: Expand the electrical room and upgrade pump-station mechanical, electrical, instrumentation and controls, HVAC, plumbing, structural, and architectural systems. Work also includes improvements to holding basins and a distribution chamber, site work, and replacement or rehabilitation of manholes SSMH-2350 and SSMH-2360. - Major equipment and quantities: Four new submersible pumps (PCL-WWP-20-1 through PCL-WWP-20-4), plus provisions for future pump PCL-WWP-20-5; one ferrous chloride tank (TNKC-FEC-20-1), two metering pumps (PPS-FEC-20-1 and PPS-FEC-20-2), one unloading panel (CP-FEC-20-1), and one duplex metering-pump skid. Other specified equipment includes a replacement 16-inch magnetic flow meter, two A.R.I. Model D025 combination air release valves, and a replacement fire hydrant. - Building and site equipment: Specified products include HAWS emergency eyewash and shower units; an AMTROL expansion tank; a HUBBELL water heater; a FEBCO backflow preventer; a BADGER TURBO water meter; GREENHECK and ENGINEERED AIR ventilation equipment; TRANE air handlers and condensing units; a PURAFIL pressurization unit; INDEECO heaters; and LITHONIA and HOLOPHANE lighting. Product details, quantities, and part numbers are itemized below where provided. - Notable requirements: Provide temporary bypass pumping for two work periods. During the second period, use Holding Basins 2 and 3 for temporary storage, keep the maximum water surface elevation at 826.72 feet, and do not use Holding Basin 1 for bypass storage. Equipment in designated areas must be suitable for hydrogen-sulfide conditions; work also occurs within a floodplain. - Manhole and related work: Replace SSMH-2350 with a lined, 6-foot-diameter manhole and new 30-inch PVC connections; rehabilitate SSMH-2360 with a new flat top and access hatch. Remove and reinstall the existing flow-meter equipment and coordinate its installation and calibration with City crews. - Bid scope: Includes a one-unit lump-sum Base Bid and a one-unit lump-sum Bid Alternative No. 1 for pressure-relief-valve replacement in Holding Basins 2 and 3.

Description

The City of Lawrence is soliciting bids for improvements to Pump Station 9. Work includes installing a chemical storage system, submersible pumps, valves, gates, piping, and other mechanical equipment; expanding the electrical room and making architectural improvements; replacing major electrical equipment; and upgrading instrumentation, controls, and building mechanical systems. The work also includes removing and replacing Manhole SSMH-2350 and modifying Manhole SSMH-2360. Bids are due December 8, 2026, at 3:30 p.m.; a 5% bid bond is required.

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