1997-02-12 - Laserfiche WebLink

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INTRODUCTION On December 11, 1996, the City of Centerville authorized MSA, Consulting Engineers to study the feasibility of extending watermain and sanitary sewer to serve the properties adjacent to 20th Avenue /County Road 54 south of Main Street in Centerville, Minnesota, and connect to the Lino Lakes water system for emergency purposes. This feasibility study was initiated by the City Council and not by a petition of the affected property owners. PROJECT SCOPE The scope of this project is to extend watermain from the existing stub along 20th Avenue, south to the Lino Lakes /Centerville City limits, where the watermain will interconnect with the Lino Lakes water system. This connection will provide the City with increased water supply in case of a fire. Under the watermain interconnection agreement, the City of Centerville will need to construct a water tower in the next ten years which would meet the water demands once the City is fully developed. By using a water metering vault, the City of Lino Lakes will be able to monitor the amount of water used by the City of Centerville, and charge them accordingly. The interconnection is the least costly short term method for the City of Centerville to provide adequate water storage. This project also will consist of constructing an 8 -inch sanitary sewer south along 20th Avenue to serve the properties adjacent to 20th Avenue. Three properties along 20th Avenue: Lake Area Utilities, Sheehy, and the Clearwater Meadows Outlot can possibly be served by a gravity sewer from the existing sanitary sewer system, depending on development configurations. COST - EFFECTIVENESS AND NECESSITY OF PROJECT The City has two options in order to provide adequate water storage. The first is to interconnect with the Lino Lakes water system, and the second is to construct a new 500,000 gallon water tower to replace the existing 100,000 gallon water tower. If the interconnection were to be constructed before the water tower, the City of Centerville due to the agreement with Lino Lakes would need to construct a new water tower in the next ten years to provide adequate water storage. The interconnection will allow the City of Centerville to provide adequate water storage for fire flow and daily use of water for property owners in Centerville. Constructing sanitary sewer in conjunction with the watermain interconnection will allow the southeast portion of Centerville to develop with commercial and industrial businesses. By assessing the project costs to the property owners adjacent to 20th Avenue, and the City financing the meter vault, the project is cost - effective. DETERMINATION OF ADEQUATE WATER STORAGE The City Council has discussed the issue of water system storage many tines in the past several months. There is a need for Centerville to increase the amount of available water storage. Although the interconnect is a watermain piping project, whether or not it should be implemented is essentially a water storage issue. The interconnect has the function of increasing the water storage available to Centerville through utilizing the water storage in the Lino Lakes tower FEAS - 260.085 -1- 260- 085 -11