Mr. Berg explained that it is anticipated that the new pipe will be close to the existing culvert on Lansing Avenue. The existing culvert will be left in place. Mr. Leiser reported that the high water level of 946.4, which was measured this spring after ice-out, is down 1.2 feet at this time. Mr. Koosmann explained that project cost is hard to estimate at this time due to variables involved. Mr. Berg has spoken to Mr. Johnson regarding necessary easements.
Several options are available with varying costs.
The cost estimates being presented at this time do not include the cost of necessary easements. Mr. Berg explained that not many options are available at the basin outlet because of costs. Piping all the way to the outlet is cost prohibitive. Mr. Johnson provided a survey which shows that it could be a gravity flow combination of piping and ditching, which would end before Lansing Avenue. A pipe would be installed through the driveway to an outlet, and then allow a downstream, uncontrolled overland flow.