Budget Development for Operations/Maintenance Requirements For CSO/SSO Control Facilities

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 ABSTRACT

Many communities are in the process of developing or implementing CSO/SSO Control Plans. An important aspect of this process is the identification of the staffing and associated cost of the various types of controls that will eventually make up the Control Plan. Historically, the development of these Plans have directly considered the capital
costs of the various control options and have given the operations and maintenance costs associated with the various types of controls only qualitative consideration. Without quantitative consideration of both the capital costs and the operations and maintenance costs a total low cost Control Plan will not be achieved. This paper provides a quantitative process to include both staff and non-staff costs of operations and maintenance associated with the following five common CSO/SSO controls: in-system storage; vortex with disinfection; screening with disinfection; retention treatment basin; and, tunnel. The paper also provides guidance on the staffing of these control facilities and can be used by communities that have already implemented control plans to benchmark operations and maintenance staffing and costs associated with those facilities.

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