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Exhibit 4 - PresentationNorthwest Booster Pump Station City Council - 22-983 –May 17, 2022 1 Project Background •City of Denton operates over 600 miles of water distribution pipe. Split into 5 pressure planes. •The existing Northwest pressure plane is fed from the Central Pressure plane. •There is not a transmission main that provides direct flow to the Northwest Elevated Storage Tank •Water from Ray Roberts Water Treatment Plant bypasses the Northwest Elevated Storage Tank and flows to McKenna and Roselawn Elevated Storage Tanks 2 EXISTING HEADWORKS City Council -22-983 –May 17, 2022 Project Background •An imbalance in the system causes water age problems and pumping issues.•Water Age is defined as: The time from treatment facility to the tap.•Hydraulic imbalances are caused by elevation differences. This creates operational pumping problems in filling tanks. 3 EXISTING HEADWORKS City Council -22-983 –May 17, 2022 Northwest Booster Pump Station 4 EXISTING HEADWORKS •The Northwest Booster Pump Station is a key component in the overall Water Master Plan. •The pump station is paired with a 36- inch Water Transmission main (in design). •The pump station will be the primary feed to the pressure plane, Northwest Elevated Storage Tank and improve total water system performance. City Council - 22-983 –May 17, 2022 5 •The pump station will efficiently deliver water to the Northwest pressure plane, including new Denton High School and future developments. •The pump station is being built with growth in mind. •The station has been designed for an initial capacity of 18.7 MGD (million gallons per day) with an ultimate capacity of 28.1 MGD. This station will ensure water quality standards are met and improve service to the community. Northwest Booster Pump Station City Council - 22-983 –May 17, 2022 6 Competitive Sealed Proposal •Through the procurement evaluation process for this Competitive Seal Proposal the firm selected is: •Archer Western Construction, LLC •$15,458,300 contract total •590 days for construction Staff Recommends awarding the Norwest Booster Pump Station Construction contract to Archer Western Construction, LLC City Council - 22-983 –May 17, 2022 Questions? 7 City Council - 22-983 –May 17, 2022