6.3. SR 12-03-2001 - Laserfiche WebLink

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Howard R. Green Company Project No. 802400J Pavement Rehabilitation Report City of Elk River, Minnesota The City Engineer and General Manager of Elk River Municipal Utilities have identified several areas where watermain improvements are necessary due to inadequate water flow from east to west due to small sized mains. The small sized mains also result in inadequate fire protection. The existing water system, with proposed improvements noted, is shown on Exhibit 4. The improvements include: · Installation ofwatermain Currently, there is no watermain on York Avenue from Main Street to 2nd Street, 2nd Street from York Avenue to Xenia Avenue, and Xenia Avenue from 2nd Street to Main Street. Six-inch watermain would be installed at the time of street reconstruction. · Upsizing of4-inch watermain Currently all areas between Main Street and Trunk Highway 10 are served with 4-inch watermain. This small watermain size has resulted in Iow fire flows and high head losses across the 4-inch main. All 4-inch watermain will be upsized to a minimum of 8 inches as necessary. The most crucial improvement to the overall water system is the upsizing of the 4-inch watermain along 5th Street from Jackson Street to Main Street to provide adequate fire flow protection to residential homes and businesses. The existing storm sewer collection system is shown on Exhibit 5. Several streets within the study area are not currently served with storm sewer. When streets are reconstructed to an urban section, storm sewer will be constructed. During the preliminary design phase, the collection system will be reviewed to determine if the current pipe and storm sewer outlets are adequate. An example of existing storm sewer that needs to be reconstructed is in the Upland/Tipton area. The existing storm sewer currently runs through properties. The storm sewer location needs to be corrected so that it is within the public right-of-way. Approximately thirty feet of right-of-way (ROW) is necessary on either side of centerline of the street to construct the proposed improvements. Currently, the majority of the streets within the project area have adequate ROW. The streets that have less than 60- feet are: