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4 PARKS, TRAILS AND RECREATION COMMITTEE MEETING MINUTES June 161 2009 Page 4 of 6 Mr. Hubmer recommended doing some filtration and biofiltration along with raising the elevation of the park to provide protection from lake fluctuations, while lowering the drainage ditch. He also suggested neighborhood rain gardens for infiltration credits for Rice Creek. Discussion ensued regarding the park elevation. Chair Peck asked if the Council had discussed this item in detail. Council Liaison Holmes stated this would be discussed once the PTRC provides a recommendation. Chair Peck questioned if the neighboring townhomes have impacted the water level within the park. Mr. Noonan stated the concern began on the other side of Old Snelling g, along with the beavers. He added that the cattails were closing the areas out as well,which kept the water in the lake longer than it should, creating a higher water level. Ms. O'Malley questioned who would be cleaning the culverts and maintaining the ditches. Rice Creek was responsible for the county ditches but that this would have to be clarif ed with Doug Thomas. Council Liaison Holmes asked if sand and rip-rap could be laced under the ark to increase the p p drainage in the area. Mr. Hubmer stated this would increase the drainage and is a filtration. concept. He noted this would elevate the ground but at a high expense due to the fees for sand and gravel. Council Liaison Holmes indicated the safety of this park would need to be addressed to assure that children are safe near open water. Mr. Hubmer explained that a barrier could be created at the waters edge to deter children from entering the open water with cattails, etc. Councilmember Holden questioned how often the pond would need to be dredged. Mr. Hubmer stated all storm water facilities need maintenance, with the predicted life span being -1520 years. _ He stated the pond would be monitored on a yearly basis. Chair Peck suggested the City continue with Mr. l-Jubmer's recommendation to reduce the water flow concerns near Valentine Park. He thanked all of the special guests and staff for their time and efforts on this item. Ms. Olson stated that staff will work to get answers to the questions on the lake elevation and will report back to the Committee once we have more information. C. TCAAP Discussion Council Liaison Holmes reviewed the latest TCAAP development information with the Committee. She noted Ryan Companies has found it was economically infeasible to move forward with the mixed use development. Council Liaison Holmes stated this has led the Council to look at more open space, park land and public use on this site. She suggested the P gg Committee present a resolution at the June 22, 2009 meeting with Betty McCollum who will be hosting a hearing for citizens to come and voice their opinions on the TCAAP site.