09-22-09 PTRC - Laserfiche WebLink

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PARKS,TRAILS AND RECREATION COMMITTEE MEETING MINUTES June 16, 2009 Page 3 of 6 explained that the beaver darn was on Bethel property and that the have been contacted about � � Y Y trapping the beavers. Mr. Noonan indicated the culverts do need some cleaning, but that there was flow throug h gh the inlet. Some concern may arise if the culverts were cleaned before the beavers were trapped if they were to build a dam within the culvert. Further discussion ensued regarding the location of the culverts with respect to Valentine Park along with the'nlet that has been flooding the park. Mr. Noonan reviewed the lake levels over the past several ears and noted the last few ears the � y y lake level has been low. Mr. Messerly questioned how long it had been to since the culverts were cleaned. He asked if the culverts were ever monitored in a heavy rainfall. Mr. Noonan stated he could check with his foreman to see when the culverts were cleaned. He indicated the Count did i y monitor the culverts but has not done so in a heavy storm. Council Liaison Holmes explained that the Citywas looking to resolve the flooding concerns g g erns before making recommendations to renovate the park. She indicated no changes could be made until the flooding ceased. Mr. Noonan indicated he could review a flow path through the park to further provide information to the City. Todd Hubmer, wS.B & Associates gave a presentation on Valentine Park drainage explaining P g p ning in detail the areas that currently flood within the park. He indicated the major issues are the outfield area, the drainage ditch capacity along the south end of the ball field and the ground elevation being so close to the water elevation of Valentine Lake. Mr. Hubmer reviewed the lake elevation levels with regard to the park elevation. It was a concern that the lake level was not dropping even in dry years. Mr. Hubmer reviewed how the water was draining within the park with regard to theneigh boring residential properties. He then explained the contributing factors to the floodingproblems at this ark a - p s being the current culverts and their need for maintenance, along with the beavers and their dams. Ms. Olson stated that Ramsey County would be cleaningthe culverts and that Bethel ethe l was trapping the beavers to remove them from the lake. Mr. Hubmer indicated the outfield areas are flooded due to drainage from Glenview,, g nview, during large events, because the neighboring ditch does not have the correct capacity. He stated the field itself does not have enough grade to drain away from the field. Mr. Hubmer stated the proximity Y of the park to the ground water elevation was also a concern as the water was not able to disappear between events.