AWWA ACE63044

This slide presentation outlines a project where Arsenic Rule design decisions affected full-scale construction costs at Victor Valley Water District (VVWD) in California. The presentation outline included: background on VVWD; initial technology evaluation that included iron based sorbents, coagulation/filtration, and ion exchange; focused technology evaluation based on performance and economic analyses determined that C/F and IX deserved more thorough evaluation, RFP issued with two tasks of comparing C/F versus IX and design of selected technology, non-economic evaluation criteria, economic evaluation criteria; other factors; final selection; pilot testing; selected technology including coagulation/filtration; residual disposal options including sewer discharge for all or part of backwash water, haul off liquid waste, mechanical/chemical treatment of waste, and drying beds; hydraulic considerations; and, design becomes (virtual) reality. Includes tables, figures.