2010-08-04 P & R Agenda Packet - Laserfiche WebLink

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Parks & Recreation Committee Meeting Minutes 07 -07 -10 The irrigation system is being designed with many variables in mind. It will be a system typical of those used on golf courses using a minimal number of large heads to sprinkle wide areas. There will be a pump station at the pond with a forced main feeding the irrigation system. The entire park will be irrigated. Drain tile will also be installed which was a concern to the committee as complaints are frequently received regarding the fields being too wet. The drain tile discharge will be put in the south west corner of the park to the pond which is often dry. The construction will affect any fall sports that may use the park during this time such as football and soccer. The question may arise from residents as to whether the fields are being re -graded during this project and Mr. Statz said they will not as this would be too costly. Committee Member Seeley questioned whether Mr. Statz was aware of the committee's plans for a volley ball court and how this project may affect the area intended for the court. Mr. Statz was not aware of the project. Ms. Stephan will send the City Engineer the preliminary plans and intended location of the sand volley ball court so this can be taken into consideration with the design of the irrigation system. Mr. Statz reported the gravel drive way from Centerville Road will be removed. Committee Member Haiden said a portion of this was intended to be used for a parking lot for the volley ball court. Mr. Statz reported City Council had directed Bonestroo to test soil in the ball fields, water quality in the pond, as well as sediment for contaminates. The water met all criteria for a swimming beach, soils were low in heavy metals and within normal levels and there were no contaminants of concern. Salt in the water may be a problem in the future, but not at this point. Mr. Statz stated that if a build up of salt levels in the soil becomes a problem there will be ways to mitigate this. Committee Member Seeley asked if there were plans to continue testing on a regular basis. Both Mr. Statz and Mayor Capra said this requirement was part of the Storm Water Management Plan. Mr. Statz stated the pump is being designed to never suck water from the top (eliminating oil and greases that may float on the top) or off bottom 2 -3' so sediment will not be pumped. The system will be able to pump enough water to provide 1" of water per week for 3 straight weeks over the entire park without rain before the pond would become low. The City will be responsible for blowing out the system prior to winter. The committee asked about the possibility of using some of this water to irrigate Hidden Spring Park. Mr. Statz said it could be a possibility. Motion was made by Committee Member Haiden, seconded by Committee Member Selander to recommend City Council consider including Hidden Spring Park as part of the Storm Water Reclamation Project. All in favor. Motion carried unanimously. With further discussion the committee questioned whether the large sprinkler heads would damage the plants at this park, whether the potential for salt in the water would be detrimental to the vegetation and whether the potential for water run off into Centerville Lake would be a problem? Committee Member Haiden added a friendly amendment to the motion, seconded by Committee Member Selander to request Mr. Statz research the above questions and advise the Committee and City Council. Mr. Statz asked the committee to think about potential complications of fall construction (sports groups using the field) and any concerns regarding the sprinkling system. Chairperson Branch stated in the future the committee will want to regrade the ball fields and build a volleyball court and would like these items considered with the design. 3 of 6