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• FY21 Gravity Line Rehabilitation I Currently in Construction 1 $343,000.6,600 LF CIPPL District -wide, replacement of dead-end clean -outs with new manholes, and miscellaneous point repairs. • Leucadia Pump Station I December 20211 $3.2M. Condition assessment and preliminary and final design for a 4.0-MGD wastewater lift station. The Leucadia Pump Station is the District's largest pump station with four 200-hp variable speed driven (VFD) pumps currently in place. This rehabilitation project included the replacement of the four large pumps with three slightly smaller 150-hp pumps and two 25-hp jockey pumps to accommodate the wide range of flows to the pump station. The project will include the reuse of two relatively new 200 hp VFDs for two of the new 150 hp pumps, all new ductile iron piping, valve and appurtenances. The new pumps will be dry pit submersible type. The T-locked wet well will be repaired, and odor control equipment and other minor equipment replaced. • Encinitas Estates Pump Station I November 2020 1 $1.8M. Replacement of an existing pump station that was at the end of its useful life. The new station was designed as a wet well/ valve vault style with dual lead/lag submersible pumps and emergency power supply. • FY20 Gravity Line Rehabilitation I July 2020 1 $1.3M. Replace 12 clean -outs with new manholes, 955 LF of CIPPL, 4 point repairs. • FY18 District -Wide Cured -in -Place Pipe Lining I November 2018 1 $700,000.Over 7,000 LF CIPPL, 16 cured -in -place manhole linings, two epoxy manhole liners, several excavated point repairs. • FY17 Gravity Line Rehabilitation I September 2017 j $938,000.2,468 LF CIPPL, 6 cured -in -place manhole liners, 3 epoxy manhole rehabilitations. • Lanikai Trunk Sewer Rehabilitation I September 2017 1 $235,000. Design of a cured -in -place pipe liner through North County Transit District (NCTD) right-of-way for a 21-inch vitrified clay trunk sewer. Cured -in -place pipe lining included analysis and inclusion of Cooper E80 rail loading on the fully structural pipe rehabilitation. Project challenges included detailing a conceptual bypass plan for bypassing the trunk sewer to the other side of the NCTD railway. • La Costa Golf Course Gravity Line Improvements I July 2017 j $18,700. Feasibility, preliminary design and final design of sewer improvements to mitigate infiltration in an existing gravity sewer. The project ultimately consisted of approximately 100 LF of gravity sewer relocation on private property and abandonment in place of the existing gravity sewer. Project also included coordination with Omni La Costa Spa and Resort and two home owner's associations (HOA). Coordination of landscape plans with HOAs. Ontario Ranch, Phase 2 Water Main Improvements City of Ontario The City of Ontario is anticipating major development within the 925 pressure zone (PZ), including the New Model Colony (NMC) that began construction in 2021. To meet the immediate water demands of Phase 1 entitlements, the City is moving forward with final design and construction of: • Approximately 2 miles of 18-inch potable water main in Chino Avenue between Grove Avenue and the Categories 1,3 Client Contact City of Ontario/Ontario Municipal Utilities Company Omar Gonzalez, Principal Engineer 909.395.2578 oegonzalez@ontadoca.gov Year Completed 2022 Consultant Project Managers Dolores Salgado Cucamonga Creek channel (1010 PZ), where it will connect to an existing 18-inch potable water main west of the channel crossing • Approximately 1.5 miles of 42-inch potable water main in Grove Avenue between Eucalyptus Avenue and Chino Avenue (925 PZ), where it will connect to a 24-inch potable water main • Pressure reducing station at the intersection of Grove Ave] Chino Ave to break pressure from the 1010 PZ to 925 PZ Future development within the 925 PZ is expected in the next several years. To meet future water demands of Phase 2 entitlements, the City hired Ardurra to develop a comprehensive technical study to evaluate and select a preferred alignment for approximately 2.6 miles of a future 42-inch water main. The water main will convey water between the 1010 PZ to a future water supply site, which will include a 9-MG reservoir and two wells with total capacity of 2,500 gpm. The future water supply site will be located on Bon View Avenue north of Francis Street. The future 42-inch water main will convey water north to the future reservoir for storage and convey water south to Phase 2 entitled developments. Phased development poses a challenge when locating the water mains in streets that are programmed to be widened in the future. The City's Water System Design Criteria states, "Potable water lines shall be located on south side or east side of the street and out of the main traveled lanes of the road where possible. Locate 8 feet from the curb face or berm" The project includes analyzing ROW impacts and providing recommendations. The new water mains and pressure reducing station are a part of the Ontario Ranch — West, Phase 2 planned region backbone infrastructure, where Phase 1 will allow for the development of up to 5,600 gpm maximum day water demand. New water mains are to be installed prior to roadway widening and ROW acquisition. Alternative alignment locations factor in City standards, existing utilities, existing ROW, and future ROW. CityafSanta AnaWaterResources Division f 17 /� ARDURRA RFP 22-002 1 May 24, 2022 L