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ARDEN HILLS CITY COUNCIL WORK SESSION — SEPTEMBER 19, 2011 13 Bituminous (8') trail from Glenview to Old Hwy 10 and along Old Hwy 10 to Cty Road E2 $45,000 18" play area curbing $11,500 Mobilization $15,000 Engineering (12 %) $65,760 construction contingency $50,000 ESTIMATED TOTAL PROJECT COST $663,760 Councilmember Holmes asked if the culvert flap from the drainage pond outlet into Valentine Lake will be eliminated. She was also concerned about how the drainage from the neighborhood will be handled. Public Works Director Maurer stated that the culvert flap will not be needed due to raising the pond bottom above the ordinary high water level of Valentine Lake. Also, he explained when the flap is under water, no water can escape the pond. He explained that the rain garden to be installed will detain the water flowing from the neighborhood. He stated that after a normal rain, residents should be able to go to the park, park in the parking lot, and utilize the play area as proposed in both concepts. He suggested that once the Council has determined which concept is preferable, he will meet with the neighbors and review that proposal. Councilmember Holden left the meeting at 8:05 p.m. Councilmember Holmes asked how deep the ponds will be and if they will be fenced. Public Works Director Maurer responded that after a storm the pond could be as much as about two to three feet deep. He also stated that there are no plans for a fence. Fences create maintenance problems and if a child were to get into the pond area, a fence would impede rescue. Mayor Grant stated the amount budgeted for this project is only $310,000 but the estimate is more than double that amount. Public Works Director Maurer stated the estimate is high and Council can consider eliminating some of the items proposed. He explained that the Council has already indicated they are not interested in the tree play structure and without that being included the path to that area can be eliminated. Also, the $310,000 is not an accurate amount and is way below the need for the park. He offered to investigate funding for these improvements through the DNR and grants as well as cost participation from Rice Creek Watershed District for the rain garden area. He then suggested that Council direct Staff to remove those items the Council does not want included or to identify a price range within the Council wants the Staff to work to complete these improvements. With that direction, Staff will review options and come back to the Council with a revised cost list. In addition, once the final design has been determined, some of the items listed can be included as bid alternates which can be removed if the bid is too high. Mayor Grant questioned the need for the bridge.