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AWWA ACE63044
- Complying with the Arsenic Rule: Design Decisions Affecting Full-Scale Construction Costs
- Conference Proceeding by American Water Works Association, 06/01/2006
- Publisher: AWWA
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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 issuedwith two tasks of comparing C/F versus IX anddesign 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 ofbackwash water, haul off liquid waste, mechanical/chemical treatment of waste, anddrying beds;hydraulic considerations; and,design becomes (virtual) reality. Includes tables, figures.