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Page 1 of 3 <br /> <br />APPENDIX D <br /> <br /> <br />POOLS OPERATIONAL and MECHANICAL SYSTEMS <br /> <br />This ISG Study Report for Lino Lakes includes some operational and mechanical considerations <br />below for the City. Below you will see the operational systems that should be considered at <br />some point in this entire process. <br />The state of the art equipment and systems considerations are based on the following criteria: <br /> <br /> Energy efficiency <br /> Low annual operation costs <br />o Savings on electric, natural gas, chemicals, and water <br />o Less staff operational time <br /> Low long term maintenance <br /> Short payback period for premium equipment costs <br /> Extended lifespan <br /> Minimal water usage <br /> Minimize environmental impact <br /> Minimal impact on programming and pool down time due to regular maintenance <br /> <br />This technology includes: <br /> Regenerative Media Filters: <br />o Reducing water consumption and waste water by through significantly reduced <br />need to backwash filters and add for replacement water. <br /> Approximately a 80% to 90% savings in water use related to traditional <br />backwashing with high rate sand filters <br />o Reducing electrical, natural gas, and chemical use through 80% to 90% less <br />replacement water to heat and treat. <br />o Filters down to particles one micron in size compared to 15 to 30 microns in <br />traditional high rate sand filters in the existing pool facilities <br />o Reduces space needed in pool pump room for filter systems by approximately <br />30% <br />o Reduces time needed by staff to operate and maintain <br />o The cost of replacement of the existing Sand Filters is estimated at $85,000 to <br />$95,000 <br /> The estimated operational cost savings of the Regenerative Media Filers <br />for both pools together is: <br /> Electric: $7,000/year <br /> Water: $5,000/year <br /> Gas: $2000/year <br /> Chemicals $1,000/year <br /> UV water purification system <br />o The existing YMCA Aquatic Facility is equipped with the UV water purification <br />system