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R 4' A 4 In concluding the Director of Public Works stated he felt the City had a choice of a couple of substitutes available to them . One would be to consider quantitative and qualitative control of the allocation of the remaining capacity . He said this would be done on new hookups and by taking existing users and requiring them to increase their efficiency so that there would be a lesser discharge at the plant on the present set-up . This would be done by working with the heavy industrial users cooperatively , and making minor changes and minor improvements in their plant efficiencies which would allow them to be able to actually discharge lower quantities of water and pollutants into the sewage treatment plant which would make extra room for new hookups . He again mentioned the interim improvements to the existing facility or finally to determine alternate methods of financing the SCSP plant without Federal Aid . He noted that there would be many questions left unanswered , but in his preliminary report it had been hard to be too specific . He men- tioned that the discussions would bring out more questions , and he would be able to give greater detail . Referral was made to pages 13 and 14 of the report with regard to example dischargers and the variable flows of the industrial users . City Council and Planning Commission were made aware that preparation of an industrial waste multi- discharge ordinance on a multi-jurisdictional basis was in its final stages of drafting which would be presented to the joint cities , Redwood City , San Carlos and Belmont City Councils , as well as perhaps other jurisdictions in the County, which would help provide some standards that would address themselves to the quality of effluent coming from industrial corporations , in terms of assisting , basically, the treatment facilities that we had and plan to have in terms of treating that particular waste , which would involve any number of problem solving devices based upon regu - lations in that ordinance . In clarifying capacity flow in relation to population equivalents , the Director further noted that a plant usually would be designed for a 20-year life , yet would find it " at capacity " in ten years . Frequently this had been caused by g rowth rates greater than anticipated or the connection of high h rate commercial and industrial users that used the capacity sooner than the projected date . Now a plant would serve a population equivalent without typing a date on the plant . The point was made that a plant would become deficient not only because it would not be able to handle the volume capacity - but it would also be unable to remove the biochemical oxygen demand ( BOD ) or suspended solids in discharge flow ( SS ) loadings or a toxic material , or. one 6/19/73 Adjd . Mtg .