05/08/2002 P&Z Packet - Laserfiche WebLink

Home Search

• Planning & Zoning Board April 10, 2002 Page 10 Staff stated a landscaping plan for screening along Birch Street had been submitted as required. The plan consisted of a combination of deciduous and coniferous trees. The City's Environmental Specialist was recommending replacement of the proposed Colorado Spruce with White Spruce. Staff indicated the City's Environmental Board reviewed the request on March 27, 2002, and recommended denial of the request citing the need to submit plans to the St. Paul Regional Water Utility and the Vadnais Lakes Watershed District. They also submitted recommendation to consider if the proposal was approved. Staff stated the developer had made application to the RCWD for approval of a Land Development Plan and a Wetland Alteration Plan. Tla review by the District 011 April 24, 2002. It waste approvals until the RCWD has approved, at a Authorization for Administrative Action). Staff indicated the County was preparing co subdivision and impact on Birch Street. It w_ improvements to Birch Street, adjacent t County. ication was scheduled for o withhold any development AA, (Tabled with regard to the proposed endation that t be required by the Staff stated they had received by f A fax a :` erg Anoka County Highway Department expressing their conew ith t , sues that may occur on CSAH 10 as a result of this developmen Staff stated a prey plans would ne sanitary sewe outlet contr concrete. The .k fps; minimum m pipe. The submitte minimum pipe size of 1` ity Engineer indicated the final construction dards. City Standards for storm sewer, ld nee to be shown in the plans. The detail for the eated lumber weir. The weir would need to be s for storm sewer were minimum full velocity — 3 size — 15" RC pipe; minimum culvert size — 15" RC d to use a minimum full velocity of 2.5 fps and ipe. The City's Local Water Management Plan called for ponds to be built with a 15 5 ot, 10:1 side slope bench. The pond detail submitted showed a 10 -foot, 10:1 side slope bench. This detail would need to be corrected and the proposed pond adjusted to a 15 -foot wide bench. Supporting information regarding soil types and land uses used to determine the curve numbers would need to be submitted. An SCS TR -55 method should be used to determine the Time of Concentrations, not the Lag method. Pond 6 was landlocked, according to the model. The 100 -year floor elevation for the pond would need to be determined allowing for a 100 -year snowmelt, 10 -day runoff of 7.2 inches and a Curve Number of 100. Groundwater information was not provided. The City's Local Water Management plan called for the minimum floor elevation, including basement to be 4 feet above the groundwater, 4 feet above the normal water level, or 2 feet above the 100 -year flood elevation, whichever was greatest. The lowest opening was also required to be at least 1 foot above the emergency overflow. Approval from Rice Creek Watershed was also needed. DRAFT MINUTES