Lift Station W-27 Upgrades and Force Main Replacement (Project No. 23-8073)
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Description
A. Lift Station Improvements: 1. Replacement of 3 existing pumps and extended shaft motors with 4 dry pit submersible pumps and motors. 2. Construction of a new electrical room on the ground floor, complete with air-conditioning and lighting. 3. Addition of variable frequency drives (VFDs). 4. Replacement of all station piping and valves 5. Replacement od sump pumps. 6. Addition of flow meter, vault and accessories on the discharge force main. 7. Replacement of emergency generator with a skid-mounted generator in a sound attenuated enclosure with subbase, dual wall, diesel fuel storage tank. 8. Demolition of existing bulk diesel fuel storage tank and associated structure. 9. Replacement of all electrical gear, controls, and instruments. 10. Replacement of all interior and exterior lighting. 11. Removal of existing ventilation systems, and installation of new ventilation system including ductwork, stack, wet well ventilator and exhaust/supply fans. 12. Replacement of station roofing, exterior doors, and louvers. 13. Replacement of station monorail system. 14. Rehabilitation and specialty coating of wet well. 15. Interior and exterior painting of pump station structure. 16. Site work, including site restoration, perimeter fencing, access driveway, sidewalk installation, and landscaping. B. Force Main: 1. Installation of 20-inch epoxy lined, ductile iron force main from Lift Station W-27 to the existing 48-inch ductile iron force main on Taft Street. 2. Abandon-in-place existing 10-inch and 12-inch cast iron discharge force mains from Lift Station W-27 to the existing 48-inch ductile iron force main on Taft Street. C. Stormwater Improvements: 1. Installation of approximately 300 linear feet of exfiltration trench on Roosevelt Street;. 2. Installation of approximately 450 linear feet of 24-inch high performance polypropylene pipe in North 31st Road, extending from Roosevelt Street to Taft Street, then extending east on Taft Street until the alley directly west of Rotary…