09-23-1997 Council Minutes Navarre Water Plant Public Hearing

Home Browse Search

NAVARRE WATER PLANT PUBLIC HEARING MINUTES FOR SEPTEMBER 23, 1997 • 4. Softener schematic. After filtration, water flows through three softeners which are similar to home residential models. Sodium is exchanged for calcium and magnesium, the hardness producing elements. 80 parts per million is a recommended standard of hardness. 0 hardness for water may cause corrosion in copper pipes and tends to leach lead out of the solder holding pipes together. Calcium and magnesium waste from the backwashing of the filter are discharged to the City sewer. 5. Recommended improvements and cost estimate. Bonestroo completed an evaluation study in 1995 with the following recommended improvements: - Filter refurbishment $ 220,900 - Softening unit control replacement 17,000 - Chlorine solution water line relocation 8,500 - Brine storage tank cleaning 8,000 - Softening unit renovation 79,900 - Softening unit discharge meters 23,400 - Electrical systems replacement 43,100 - Automatic control valve replacement 9,600 - Ventilation/dehumidification improvements 102,500 - Controls replacement (SCADA) 73,100 • - Piping replacement 30,000 - Engineering and contingency 123,200 TOTAL $ 739,200 6. Proposed project schedule. Identical to the schedule proposed in the Feasibility Report. The bid opening would be early in 1998 with award of construction contract in February. Approximately 6 months is allowed for delivery of materials to job site. Construction would be from September to November of 1998. 7. Proposed project financing. Financing is proposed from three areas: Assessment $263,200 Cash Reserves 200,000 Internal Loan from Sewer Fund 276,800 TOTAL $740,000 8. Assessment area. An assessment would be levied against those properties served by the water system and capable of using the system. This is approximately 750 customers. 2 •