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Geotechnical Evaluation <br />This proposal includes subcontracting with a geotechnical consultant to obtain and <br />evaluate three (3) additional soil borings that will be needed to determine site suitability. <br />ISG will coordinate with the selected consultant to identify appropriate soil boring <br />locations. <br />ISG will review all available data and reports, including the feasibility study that was <br />completed by SEH. Upon review, ISG will assess potential alternatives to reduce loading <br />into Lake Wilkinson to determine opportunities to address TMDL goals. Preliminary <br />costs, permitting requirements, and feasibility for each alternative will be evaluated. It is <br />assumed that the original model will be provided by the watershed. <br />Deliverable (Water Quality) <br />• Summary of preliminary review and evaluation of two (2) alternatives; each <br />alternative will including maintenance schedule and access routes <br />Site plan with BMP opportunities <br />• Prepare P8 Model for the two (2) alternatives to evaluate water quality <br />Engineer's opinion of probable costs <br />0 0 Evaluation of project outcomes that advance progress on TMDL goals <br />• Permit matrix <br />• One (1) meeting with the partners to discuss results <br />Task 2: Evaluate Water Reuse in the North Oaks Development Detention Basins + <br />Stormwater BMPs <br />ISG will review the potential of water reuse from multiple sources in the area. <br />This includes consideration of rainwater captured by the proposed stormwater <br />BMP in Task I from runoff to the north of Wilkinson Lake and the proposed <br />stormwater management infrastructure needed for the proposed private <br />development at the southwest corner of Ash Street and Centerville Street. <br />The stormwater BMP option will also include evaluating the quantity of water <br />tributary to the proposed BMP location and the pollutant loads to confirm that <br />the water is suitable as irrigation water for vegetation. <br />The proposed North Oaks Development will be evaluated for volume of water <br />needed for the proposed green space, the necessary detention volume needed, and if <br />a stormwater detention basin can be sized appropriately to draw captured stormwater, <br />the necessary equipment to pump water from the basin to the irrigation system, and <br />potential costs associated with the equipment. <br />Water in Motion will partner with ISG to identify the necessary water quantities on an <br />average annual basis and help select the appropriate equipment and associated pricing <br />at a conceptual pricing level. <br />Architecture + Engineering + Environmental + Planning I ISGlnc.com Page 2 <br />