City Council Minutes 1991 06 13 - Laserfiche WebLink

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".,1 Phare: The pumping in the North Plant would basical- ly be eliminated except in extreme demands such as a fire flow. Hornbostel: I was trying to figure out where everything fits in together and that this is in addition to the North Plant and the pumping would go to the south rather than having it pump through the high zone at the north. Phare: The North Plant provides another redundancy to pump. It didn't have enough capacity to do the backwash that we talked about. Klee: Pumping from the North Plant has a 40% in- crease in energy consumption versus pumping from the South Plant. Hornbostel: Is there any time that they might drain and check the Louisville Reservoir? I think the clay liner is leaking. Phare: There's no question that the Louisville Reservoir leaks, all reservoirs that are built in that vintage leak. Certainly once this facility is in place and we are attached to Marshall Lake and we have a vessel that is twenty times the size we will have a lot more flexibility in doing that. If we were to ever work on the Louisville Reservoir we would have to find a system to bypass the reservoir itself because we could not meet peaks demands in the summer without both plants functioning, but it does give us an opportunity in the fall, winter, and spring. Hornbostel: Question, when Council approves the contract will the costs remain fixed or will the City be responsible to pay additional costs asso- ciated with the construction? Phare: Engineering fees are fixed provided we don't have them do something above and beyond what is identified in their scope of work. The cost of the physical structures are not guaranteed and are not guaranteed by any consultant. We watch cost at each and every meeting, we are always asking what is the cost implication of this option versus that one. If you are looking at numbers we have a l5% contingency built in there, hopefully we won't need all of that. 6