2002-09-25 CC Packet - Laserfiche WebLink

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,~ September 28, 2001 Pege 2 Work Plan - Comprehensive Water Plan Update outline of the tasks required to update the 1997 Comprehensive Water Plan is presented below. Task 1: Project Initiation and Data Collection We will review data and information collected for the 1997 Water Supply and Distribution Plan and supplement that data with information and data for facilities constructed since the 1997 Plan publication. Additionally, we will meet with Centerville staff to get input on any changes, modifications, or improvements that they would like to see in the water system. Task 2: Water Usage Review and Projections We will review the City's water use data collected since the 1997 Plan (maximum day, average day, and monthly totals). This data will be used to f)stablish existing and estimate future water use patterns within the City. We will establish water use at points throughout the City based on the updated land use plan. Design average day and maximum day water demands will be established for the years 2020 and the ultimate build out of the City. Maximum Fire flow requirements will be reviewed based on Insurance Services Office and City requirements. We will meet with the City to review the projected water demands and fire flow requirements. Task 3: Wellfield Review We will review the wellfield to determine that it meets the needs of the City's ultimate water demand. This analysis will consist of estimating the number of additional wells required (based on capacity of existing wells), and estimating the location of future wells (based on available data). Task 4: Water Treatment Evaluation We will review the existing well water quality with respect to current and proposed drinking water standards. This evaluation will include both public health concerns and aesthetic issues, such as taste, odors, and "red" or "black" water complaints. Task 5: Hydraulic Modeling The existing hydraulic model of the Centerville Water System will be upgraded to a WaterCAD model. WaterCAD is a powerful analytical tool that operates in a totally integrated AutoCAD and GIS environment. The computer model can be viewed with City base maps, land use maps, or integrated into the City GIS system. By simulating operation of the water system, the computer model: ,/ Reveals system problems, ,/ Predicts the effects of alternative solutions, and ./ Predicts the effects of system expansions. Pipes constructed since the 1997 plan will be added to the model. The model will be used to size future trunk water mains to serve development as well as to determine the size and location of additional water storage Task 6: Capital Improvement Plan A water utility must have a sound basis for planning the expansion of its water system. This is especially true now, with increasing regulations regarding property acquisition, public notification and construction. A sound Capital Improvement Plan (CIP) will enable Centerville to have the required facilities in-place by the time they are needed.