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DRAFT <br />TASK 8 — HYDRAULIC CAPACITY AND FUTURE CONDITIONS ANALYSIS <br />Using the calibrated Model, alternative scenarios will be developed and evaluated for the <br />City's previous Water Master Plan proposed projects review, expansion, repair and/or <br />replacement of the water distribution system infrastructure. This will include all <br />anticipated areas to be served by the City including proposed annexations. <br />Task 8.1 —Alternative Development <br />REI will: <br />- Document the CIP items and items recommended in the City's previous Water Master <br />Plan. <br />- Develop alternatives for fixture conditions evaluation based on the updated water <br />demand projections. Alternatives will be developed based on the planning years of <br />existing year (2010), as well as years 2015 and 2020. <br />- Develop a looping alternative to identify potential looping mains area throughout the <br />distribution system. <br />- Develop an alternative to evaluate the need for each of the City's elevated storage <br />tanks in the distribution system. <br />- Develop alternatives that consider the impact of focused redevelopment along major <br />corridors within the City, including any zoning changes. <br />- Update the City services criteria which will be used to evaluate Model outputs. <br />Task 8.2 —Staff Review Workshop <br />REI will: <br />- Prepare for and attend a workshop with the City staff to present the preliminary <br />findings of the study and build consensus on the alternatives for further evaluation. <br />Task 8.3 —Alternative Evaluation <br />REI will: <br />- Utilize the data collected and perform a capacity assessment of the City's existing <br />water distribution system infrastructure. Specifically, REI staff will review and <br />investigate the velocity and headloss in distribution piping based on the City's <br />services criteria to investigate the adequacy of existing capacity and identify the need <br />for additional infrastructure or the availability of additional capacity. <br />- Analyze the CIP items and items recommended in the City's previous Water Master <br />Plan and determine the need of the historical projects based on existing and 5 -year <br />conditions. <br />- Utilize the hydraulic model to perform technical evaluations of the alternatives <br />developed based on future conditions in the previous sub -tasks. <br />Page 7 of 14 (#0 1 ; ;E r Ai ]L _Ph l{s <br />