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Technical Memorandum Happy Valley Water & Sewer Study Subject: Happy Valley Water & Sewer Study Technical Memorandum Prepared City of Pleasanton For: Prepared by: Chris van Lienden, RMC Water and Environment PE No. 75034, Expiration Date: 12/31/2017 James Kohne, RMC Water and Environment Reviewed by: Mike Matson, RMC Water and Environment Gisa Ju, RMC Water and Environment Date: November 21, 2016 Reference: 0548 -002 Introduction ATTACHMENT 1 QRMC The Happy Valley Study Area includes the study area identified in the Happy Valley Specific Plan (Specific Plan), shown in Figure 1. The Specific Plan identified future residential development, as well as development of a golf course. Some of this development has been completed, including the golf course. Since the Specific Plan was completed, a portion of the Study Area was annexed into the City, with water and sewer infrastructure installed to meet the demands of that annexed area. The City is considering extension of sewer and water utilities to of the remainder of the Specific Plan study area; however, the existing water and sewer facilities may have insufficient capacity to serve the Specific Plan's potential future developments. In addition, the existing water and sewer mains do not extend to all parcels within the study area; additional infrastructure will be required to extend water and sewer service to these parcels. The purpose of this study is to evaluate whether improvements would be needed to the existing water and sewer facilities; to identify the new facilities that would be needed to serve the future Happy Valley; and to estimate the capital costs of these improvements. November 2016