RFP-881 - RFP No. 881 Water Treatment Plant Alternatives Analysis

Summary of Specifications:
The City of Ann Arbor is soliciting proposals for a Water Treatment Plant Alternatives Analysis. The Alternatives Analysis is to evaluate the need and feasibility for addressing the following challenges: „h Reduced source capacity during extreme weather events „h Varying source water alkalinity „h Aging primary treatment infrastructure and inefficient treatment basin design „h Uncovered treatment basins „h High applied turbidity to the City¡¦s multimedia filters „h High weir loading rates „h Seasonal fluctuations in finished water hardness „h Compliance with potential future regulations (e.g., NDMA, Cr(VI)) „h Phosphorous loading limits „h Solids handling and disposal „h High maintenance costs