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CITY COUNCIL AGENDA ITEM 6G STAFF ORIGINATOR: Diane Hankee, City Engineer MEETING DATE: November 10, 2014 TOPIC: Consider Resolution No. 14-135 Approving Professional Services Contract with WSB, WaterCad Water System Modeling Update VOTE REQUIRED: 3/5 Vote Required INTRODUCTION For the City to cost effectively manage the water distribution system a WaterCad model is used to determine infrastructure needs; thus, requiring Council's consideration of professional services for a water system modeling update. BACKGROUND The City of Lino Lakes has multiple proposed developments which are in accordance with the City's comprehensive land use plan. To date, the City has been able to maintain their water system effectively; however, as the City develops it is a goal to continue systematic water system improvements that accommodate both the existing water system extents and the future water system demands. The benefits of a water system model for the City of Lino Lakes include: • The model will serve as a baseline for system performance as the City infrastructure continues to age; • The ability for the City to evaluate current operating conditions for the goal of operations optimization; • Trunk watermain sizing can be determined more accurately determined as the City continues to reconstruct portions of the City and developed portions of the City which may result is smaller pipe sizes in addition to the City's trunk system; and • The feasibility and effect on the City of Lino Lakes' water system related to future regional groundwater planning efforts via the MCES and the local Northeast Metro Groundwater Working Group can be evaluated as the City's current and future water system is a distributed well network. The scope of work as determined by City staff includes: • Evaluation of the existing water system; • Identification of existing water system deficiencies; • Preparation of the proposed future trunk water system network; and • Identification of future trunk water system capital improvements necessary to serve future land use designations in accordance with the City's Comprehensive Plan. Li