Agenda Packets - 2015/11/23 - Laserfiche WebLink

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Note: Staff met with Mr. Zaier regarding his concern about his disability and how an infiltration basin might affect him. He currently maintains his lawn and the installation of a basin in the boulevard in front of his home would not create any additional maintenance effort. → Engineering staff and the Street and Utility Committee recommend denying this appeal. 2193 Terrace Drive (John & Janice Holan) – SIP #76 The property owners are appealing for the following reasons: B2. Maintenance The property owners allege that the proposed basin will result in additional maintenance. They have stated only that they do not like the look and the added care it will take maintain. No physical disability been provided. In addition, the basin should be no more maintenance than a typical boulevard. B4. Other Hardship The property owners allege that the basin will draw additional stormwater toward their home causing concerns about water entering into the basement. In addition, they expressed concern regarding landscaping that has been installed in the boulevard will be removed. The infiltration basin will not increase the water table nor will it cause water to drain toward the structure. Basins are constructed such that once filled any additional water will flow back to the street and enter the stormwater system. Water will not be directed onto private property. In addition, the basin will be constructed in a manner to avoid the existing landscaping. → Engineering staff and the Street and Utility Committee recommend denying this appeal. 2110 Terrace Drive (Benedict Speldrick) – SIP #81 The property owner is appealing for the following reasons: A2. High Groundwater Elevation The property owner alleges that the infiltration feature will cause an increase in the water table. A review of the soil borings in the area show the water table was at least 16 feet below grade. The soils are primarily sand and will allow for adequate drainage. As a result no increased in the water table will result from the infiltration feature. The boulevard will be graded such that stormwater will not drain toward the home. A9. Underground Utilities The property owner alleges that the gas main and water main are installed in the south boulevard. This is true; however the depth of the infiltration feature is only 1’ below curb. Excavation down to 3’ will be required, but this will not affect the existing water main which is required to be significantly below the frost line, typically at least 7 feet below grade. The gas line will likely be replaced prior to Area I being constructed. The engineer will note locations of features to Xcel so that the new gas main can be installed in an appropriate location. Construction of the infiltration feature will not be cost prohibitive. → Engineering staff and the Street and Utility Committee recommend denying this appeal.