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Exhibit A <br />Work Flan <br />The following summary of work is based on the Como o Labe' ubwatershod 7 Stonnsewer System <br />proposal submitted by Emmons & Olivier Resources, Inc. dated November 20, Zoo, and the <br />revised Section 3.0 Project Hours and Cost Summary dated December 23, 200 2, which are <br />incorporated in their entirety into the Work Flan by reference. <br />Element 1- Evaluate Existin st Information and Proposed or Potential Modifeadons: <br />a) Develop existing and proposed XP-SWMM 2000 models of pipes 15-inch and bigger for the <br />St. Paul system including Curtis pond, Gottfried's Fit drainage area and lift station, and Golf <br />Course Ponds for -year, I 0-year and I 00-year events. <br />b) Identify inlet and outlet capacity problems. Assess magnitude and severity of flooding in areas <br />identified.. <br />c) Evaluate the impact of improvements and modifications currently proposed by project <br />partners. Develop alternative proposals. <br />d) Evaluate current operation of Gottfried's Pit. Determine system requirements downstream of <br />Gottfried's Pit to eliminate flooding at Larpenteur and F ernwood. Assess alternatives to improve <br />infiltration, volume reduction and retention/detention at Gottfried's Pit. <br />e) Evaluate proposed Curtis bond infiltration enhancement and need for outlet. <br />0 Deliverables: 1) - w11 M 2000 models for existing and proposed systems 15 -inch and <br />bigger for 5 -year, 1 0-year and 1 00-year events. ) Color map of existing system and problem <br />areas. 3 ) Color neap of proposed systern showing prioritized alternatives and impact of <br />improvements in reducing flooding and capacity problems. 4) Section of report discussing model <br />results and proposed system improvements and priorities, 5) Section of report discussing <br />possible Gottfried's Pit retention/detention improvements and changes in operation and <br />downstrearn capacity. <br />Element 2 -- Evaluate Water OuaRly Impacts and o ortunities to resolve S stem <br />Capacity Problems and Implement Tar et pollutant reduction Goals: <br />a) Use and expand existing P8 model in conjunction with X:P-SWMM 2000 modeling to evaluate <br />water quantity and quality interactions, <br />b) Identify water- quality improvement opportunities in conjunction with addressing flooding and <br />capacity issues. <br />c) Assess grater quality impacts in Como Lake if water quantity improvements are incorporated <br />without quality component. <br />d) Identify specific BMP }s, operation and maintenance practices and drainage impiovements to <br />implement District's target pollutant reduction goal for subwatershed 7_ <br />e) Deliverables: 1) Expanded, more detailed P8 model with alternatives and proposed <br />improvements. 2) Color neap showing proposed and prioritized alternatives and impact of <br />system improvements in reducing Como Labe pollutant loads. 3) Section of report addressing <br />retentionldetention improvements in Gottfried }s Pit. 4) Conduct I technical meeting. <br />F{ <br />Cooperative Agreement Curuu Lake Subwatershed 7 Area Study Page 10 of 11 <br />Capitol Region watershed District <br />