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o Horizontal Circulation System <br />o Macro -debris Filtration System <br />o Aerobic Biofiltration System <br />o Anoxic Biofiltration System <br />o Aquatic Vegetation <br />o Wetland Filtration <br />o Lake Liner System <br />o Fishery Stocking Plan <br />o Artificial Reefs <br />o Fish Spawning Areas <br />o Naturalized Lake Maintenance <br />• Preliminary Design of Lake Systems <br />• CEQA Compliance <br />• Resource Agency Permitting <br />• Engineer's Opinion of Probable Construction Costs <br />JS&TM will also prepare a Naturalized Lake Management Plan that will outline the operations and maintenance <br />requirements for the proposed lake water quality systems. The elements of the pond that the management plan will <br />address include the shoreline erosion, algae control, aquatic plant management, biofilter maintenance, skimmer <br />maintenance, aquatic vegetation planter maintenance, makeup water, vector control, waterfowl population control, <br />debris and trash control/removal, circulation pumps, and water quality adjustments. A maintenance checklist will be <br />developed and operation schedule for the distinct pond maintenance program tasks including estimating the frequency <br />of the maintenance requirements. A water quality testing and monitoring program will be developed as part of the lake <br />management program which will identify the distinct characteristics to be measured in the field. The management plan <br />will provide a narrative of the different maintenance and operation requirements. The lake management plan is intended <br />to provide a guideline to assist the lake manager with guiding the activities of lake management personnel in a way that <br />does not require the use of chemical inputs or water dyes in the lake. <br />Deliverable: <br />• Lake Rehabilitation Study Report <br />• Naturalized Lake Management Plan <br />Task 6: Pre -Design Engineering <br />JS&TM will meet with City staff and present the findings and recommendations of the Lake Rehabilitation Study <br />Report and present the recommended Lake Renovation Plan. JS&TM will receive input provided by City staff and <br />incorporate into the improvement plans and construction drawings prepared in Task-7. <br />Deliverable: <br />• Meeting minutes and notes documenting recommendations and decisions to move forward with final design <br />of the lake improvements. <br />Task 7: Design Development (60% Plans) <br />Thornton Pa y ounce -1111tUIIon Study and Renomrium 11 <br />17 — 34 6/20/2 <br />