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Denver, NC - Killian Creek WWTP Upgrade Phase 3 (20170294.00.CL)

The Project consists of supplying, installation, startup and related construction services associated with the expansion of the existing Killian Creek wastewater treatment plant as summarized below on a lump sum bid.

A. New influent headworks, Sequencing Batch Reactor System (SBR) flow splitter and related slide gates and electric actuators.
B. New SBR, Post Equalization, Aerobic Digester and Sludge Holding Tank System including concrete basin structure, blowers, jet aeration mixers, sludge transfer pumps, and related controls incorporating the existing SBR system into a four (4) SBR basin system.
C. Modifications to existing SBR system to include changeout of existing blower sheaves to increase blower speed and capacity, modifications to influent flow splitter/electrically actuated gates, addition of influent drop boxes and diffuser pipes in each SBR basin and modification to existing SBR control system to integrate controls into the new four (4) SBR basin control system.
D. New Effluent Filters Building with two (2) new effluent disk filters and three (3) relocated existing disk filters and related controls.
E. New effluent Ultraviolet (UV), dual channel disinfection system installed in existing effluent building with related controls and building modifications.
F. New waste activated sludge (WAS) sludge thickener and related sludge transfer pumps, polymer feed system, piping and controls.
G. Modifications to existing RTD sludge building to add a hot water tank and tepid eye wash.
H. New sludge pump station including sludge grinder, rotary lobe pumps and related transfer piping and controls.
I. Modifications in existing sludge pump building to add hot water heater and tepid water mixing valve to supply existing safety shower/eye washes with tepid water.
J. New sludge dewatering building including two (2) new rotary sludge filter presses, polymer feed systems, sludge conveyors and related controls.
K. New caustic chemical feed pumps capable of caustic addition to the new SBR tanks and digesters.
L. New chemical feed system associated with phosphorus removal including storage tank, recirculation pump and chemical metering pumps and controls in a precast concrete building.
M. Related site grading, storm water drainage, erosion/sediment control, site piping and roads.

Engineer’s Estimate, $26,000,000

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