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4~ ,;. EXHIBIT "A" .r ~, North Olmsted Wastewater Treatment Plant Improvements 1. Add new medium pressure powdered carbon/biological sludge oxidation equipment and building. 2. Add new low pressure primary sludge oxidation equipment. 3. Relocate existing low pressure sludge oxidation equip- ment. 4. Add new carbon sludge thickeners and storage tanks. 5. Add new vacuum filter. 6. Add new sludge cake conveyance system. 7. Add new scrubbing chamber for mixing primary clarified effluent and regenerated powdered carbon. 8. Add new decant tank for low pressure oxidized sludge. 9. Add a new odor control system with containment of existing gravity sludge thickeners, primary sedimentation tanks, digester sludge storage tanks, primary sludge wet wells, and screening building; and transport and treatment of odorous air in a scrubbing chamber using powdered carbon mixed liquor as an adsorption medium. 10. Modify gravity thickener piping to eliminate backwater flooding at peak flows. 11. Add new fine screening for primary and secondary sludges. 12. Add new mixing/flocculating tanks upstream of primary sedimentation for chemical treatment. 13. Add new chemical feed equipment for phosphorus removal. 14. Add residual chlorine control equipment. 15. Add rapid sand filters to operate in parallel with existing microscreens. 16. Modify aeration and secondary clarification equipment to handle powdered carbon sludge. 17. Modify existing service vehicle areas to accomodate up . to six (6) vehicles. 18. Modify existing solids handling building to include new office space. 19. Replace existing mechanical and electrical equipment in the Thickener Control building, the Oxidized Sludge building, and the North Primary Treatment Control building which has been damaged by corrosion from wastewater vapors.