R2026-124 Resolution Authorizing Agreement with Burns and McDonnell Engineering Company, Inc., to Provide Professional Engineering Services to the City of Decatur for the South Water Treatment Plant Expansion Plan, City Project 2025-03

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e) Decision Workshop: i) Organize and facilitate one (1)virtual workshop (up to 1 hour)to present the findings of the analysis. ii) During the workshop,the conceptual designs for the landscape buffer alternatives,the security enhancements, and the constructed wetland will be presented, along with their associated capital costs. iii) The purpose of this workshop is to discuss the alternatives and gather feedback to confirm the preferred direction for the final Preliminary Design Report. iv) A summary of the workshop, which may be in the form of meeting minutes and/or presentation slides, will be provided to document the feedback received from the City. 12)PRELIMINARY DESIGN REPORT a) The Preliminary Design Report will be a consolidated document containing the following key sections. For each selected technical alternative,the report will include preliminary design criteria(such as major equipment sizing, proposed materials of construction, and key operational ranges), conceptual layouts, and probable construction costs to guide future detailed design efforts. i) Executive Summary:A high-level, non-technical summary of the project's key findings and the overall capital plan. ii) Introduction: Project background, objectives, and methodology. iii) Primary Treatment:A summary of the baseline performance and field testing results, and a detailed description of the chosen expansion alternative with its design criteria. iv) Filter System:A summary of the historical analysis, media evaluation, and field testing results, along with a detailed description of the selected alternative and its design criteria. v) Storage and Disinfection:A summary of the needs analysis, the rationale for the selected site, and a detailed description of the chosen alternative for the new CT/storage facility with its design criteria. vi) Residuals Management: The conceptual designs for the lagoon improvements, pH adjustment system, and sustainable landscape plan, including site layouts and renderings. vii)Physical Security: The conceptual site plan for the perimeter fence and the summary of considerations for interior security zoning. viii) Single Point of Failure Analysis: The prioritized list of identified SPOFs and the conceptual mitigation strategies for each. ix) Capital Improvements Plan(CIP):A prioritized implementation plan that sequences the recommended projects and includes a conceptual-level (AACE Class 5)cost estimate for each. b) Submit a Draft Preliminary Design Report to the City for a single, consolidated review. c) Facilitate one (1)virtual meeting(up to 2 hours)to discuss the City's comments on the draft report. d) Incorporate the City's feedback from the review meeting and submit the Final Preliminary Design Report in digital (PDF) format. 10