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BENCHMARKING FOR O & M EFFICIENCY MONITORING AND TREATMENT PROCESS CONFIRMATION

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This evaluation provides comparative operation and maintenance (O & M) information on a recently constructed municipal wastewater treatment facility in conjunction with the benchmarking of eight (8) other facilities. This enables:



An assessment of actual versus planned O & M costs;


A benchmarking comparison of the operational efficiency of a relatively new treatment process (sequencing batch reactor-SBR-facility) with similar sized conventional activated sludge and oxidation ditch systems; and


The projection of probable future O & M costs for subsequent incremental plant expansions.


Accordingly, this evaluation provides insight into the importance of utilizing benchmarking to not only gauge operational effectiveness of a current facility, but as a means to better understand the probable O & M costs for an expanded facility. The information on the latter can, in turn, be used to confirm the process selection effectiveness of new facilities. The new SBR facility is a 1.0 mgd (379m3/d) wastewater treatment plant located in central Indiana. The eight considered treatment plants used in the benchmarking analysis ranged in size (design flow capacity) from 0.23 mgd to 3.2 mgd and were also located in central Indiana.
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Document Type: Research Article

Publication date: 2000-01-01

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