Agenda - Council - 06/12/1984 - Laserfiche WebLink

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24. 25. 5 Seneca Sludge Belt Filter Press Facilities are needed to process the combined Seneca and Blue Lake sludge. This facility would not be needed if Blue Lake sludge could be disposed of at the Blue Lake STP. Design is scheduled for 1985 and construction in 1986. Stillwater WWTP Expansion-design and construction is needed to treat the combined flow from Bayport, Oak Park Heights and Stillwater. However, recent information from the Bayport Comprehensive Plan states that Bayport wastewater transfer to the Stillwater WWTP will not be needed until after 1990. The Stillwater WWTP is rated at 3.0 MGD but there are limitations to the final clarifiers. Therefore some interim improvements are needed and the MWCC should not evaluate this facility based on current conditions and future flow data. Note: All sewage treatment facilities are system-wide and interceptor sewers serving sewer service areas. The descriptions above have listed which sewer service areas will be served by the various sewage treatment improvements, even though they are system-wide improvements. FORMAT To the extent presently possible, given the major uncertainties about federal and state,g.rant availability, and the fact that the Council is planning on major rew s~ons to the wastewater flow projections over the next several years, the MWCC has complied with the content requirements of the Development Program. However, there are several projects which are not consistent with Development Guide and others where the description of the recon~nended action and/or the design basis for plant sizing (that is, peak monthly flows versus average daily flows) should be clarified. The Stillwater STP expansion needs have not been adequately documented. If an expansion is needed, without Bayport flow addition; such need should be better described. The Bayport STP needs should show why this facility improvement is needed. INVESTMENT FRAMEWORK REVIEW The Development Program will add $124.6 million to the amount planned for capital expenditures from 1984 to 1989. An estimated $60.7 million (48.7 percent) will be funded from federal and state grants and $63.9 million {51.3 percent) from MWCC sources. (The Bayport WWTP phaseout and interceptor and the expansion of the Stillwater WWTP are not included in these amounts.) This is in addition to the capital expenditures included in the approved 1984 Capital Budget of the MWCC The MWCC funded share of those improvements, which, when added to the d~velopment program, totals $114.5 million. The proposed costs will be funded from three MWCC sources as follows (in millions of dollars): Construction Fund Cash at January 1, 1984 $ 25.1 Investment Income From Temporary Cash Balances in the Construction Fund 5.2 Proceeds of Council Bond Sales 87.0 $117.3