09-21-82 CCM - Laserfiche WebLink

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CITY COUNCIL MEETING, SEPTEMBER 21, 1982 -5- 7. ALLEN DORNFELD - VBWD - I-94 PROJECT - Continued --Eder - a point of clarification, the cost benefit is the benefit of putting the pipes down through Afton to protect the Belwin Foundation and others - this was always the cost benefit. If just assume the Main Stem goes down through Afton, then the protection must be in Afton - is this not still the cost benefit rational of the District. --Dornfeld - Yes; but are talking a different system entirely. Would not oppose assessing Afton if it could be shown that it could be legally done. --Novak - theoretically, Lake Elmo could not be assessed if a pipe eras - constructed from Oakdale or North St. Paul but not through Lake Elmo, G 2. Proje'ct/Pipe' Size - =-Dornfel - until recently did not know the actual size of the pipes. Latest information - the pipe from the West Lakeland Storage Site to the proposed rest area along I-94 is 123 cfs capacity. Highway Department is not talking about any outlet from the rest area - feel there is enough seepage capacity to handle the water. Next pipe starts at Co. 21, east of the rest area storage site, and goes to the St. Croix. This pipe is 16 cfs capacity. There is a possibility that things could be regulated and use the existing 123 cfs pipe after their flows have gone through it. This is feasible, not impossible. The Highway Department have never given anyone the right to use their storm drainage conveyance system without a charge. The charge is based on peak flow. The current proposed charge is $235,000 for the use of the pipe. Not sure how much the State will be using the West Lakeland Storage Site. Will be using some of the Lee Richert property for ponding (State purchased all of the Richert property). --Mottaz - how can the State justify charging - not like the pipe belongs to another Country - we're all in the same camp. When they're not using the pipe, and the pipe is sitting.An Lake Elmo property and the City has water to discharge, why should their be a $235,000 charge to use their empty pipe. The Council further discussed pipe size vs pipe size costs. --Morgan - Concerns: 1. The assessment area - Afton - Tri-Lakes 2. Size of the system = 35 cfs is a tremendous amount of water, about 70 a-ft/day - still a very large system 3. 35 cfs is to resolve the existing systems- the new policy for provides storage in only 1%':excess - if provided additional storage areas upstream with ponds, streams, etc. possibly the proposed system could be sized smaller. --Eder - what ponding is this based on? Dornfeld - still using the lakes and their bounce. This system is designed for a 100 yr, event - the 35 cfs will not be going down the pipe continually, -initially it will in order to get the system equalized, to get the lakes down and get some storage.. --Mottaz - not just talking about the lakes, but marsh areas that dry up after the spring run-off - use these areas 365 days out of the year.