CCP 05-27-1997 - Laserfiche WebLink

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I . I providing service to existing parcels, or at a minimum, making such service easily accessible in . the future. Additionally, the scope of this report includes a presentation of the District's existing I conditions followed by a summary of the various improvements proposed within the area. These improvements include two alternate concepts for sanitary sewer, waterrnain installation, storm I sewer installation, two alternates for street improvements, and various streetscaping amenities for the City's consideration. A section is also included in this report outlining the various existing I easements and rights-of-way that must be considered in conceiving the optimal development of the area. I Finally, the costs associated with each component of the project are also presented, followed by I a proposed schedule to facilitate construction during the surmner of 1997 and into the summer of 1998. The costs presented within this report include estimates for construction of the various improvements with a 5 % contingency cost and a 32 % overhead factor to account for engineering, I administration, legal, and fiscal expenses that the City may incur in the making of these improvements. I EXISTING CONDITIONS I · The following section of this report will outline the existing utility, drainage, and street conditions I currently present throughout the project site. I Sanitary Sewer I The project site is currently served with sanitary sewer service from two separate branches of the City's sewer collection system, as presented on Exhibit 3. The City currently utilizes an 18-inch I reinforced concrete pipe (RCP) trunk sewer main which flows from east to west across the southerly portion of the District. This large diameter Metropolitan Council for Environmental Services' (MCES) trunk sewer main is the primary discharge line for the entire City of Arden I Hills into the MCES overall metropolitan wastewater collection system. This trunk sewer is currently capable of serving those properties located immediately adjacent to 13th Street NE, and I at the easterly limits of the proposed street immediately north of the Minnesota Transfer rail spur. I In addition to the trunk sewer main, an 8-inch PVC sanitary sewer extends south from Highway . 96 along an easement situated on the back lot lines of the existing businesses adjacent to West I Round Lake Road. This sewer either currently serves or is capable of serving all of those properties north of, and including, Welsh Companies' Phase I development. I FEAS-520.089 -2- 520-089-10