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Section 5 <br />that would increase long term noise levels within the project area. The <br />construction activities and periodic well redevelopment activities associated with <br />the project would generate short term construction related noise impacts. <br />The Proposed Project involves the following construction activities that would <br />have the potential to generate short-term noise impacts. <br />• Construction of the water supply pipeline. <br />• Construction of the back flush pipeline <br />• Construction of the two shared recreation/communication structures. <br />• Centennial Skate Park Improvements. <br />• Heritage Museum Site Improvements. <br />• Paving of the Centennial Park Parking Lot <br />• Construction of the injection wells at Centennial Park and the construction <br />of the Heritage Museum. The noise analysis for the injection wells and <br />monitoring well evaluates the different construction phases for each well. <br />These construction phases include; construction and removal of sound <br />walls, conductor casing installation, borehole drilling and reaming, well <br />construction and well development, <br />• Injection Welland Monitoring well redevelopment maintenance activities. <br />Project Noise Reduction Design Features <br />To minimize potential noise impacts the Proposed Project has incorporated the <br />use of sound walls at each injection well site and construction phasing design <br />features. <br />Sound Walls <br />The configuration of the sound walls is listed below and the locations are shown <br />in Figure 24. Potential! construction Noise impacts generated from the project <br />were analyzed with the following second wall configurations in place. <br />• MBI-2 would have a 24-foot high temporary sound barrier on the <br />northeast, southeast, and southwest sides of MBI-2 construction area. <br />• MBI-3 would have a 24-foot high temporary sound barrier on the north, <br />east and west sides of MBI-3 construction area. <br />• MBI-4 would have a 24-foot high temporary sound barrier around the <br />perimeter of MBIA construction area. <br />• MBI-5 would have a 24-foot high temporary sound barrier around the <br />perimeter of MBI-5 construction area. <br />Mid Basin Centennial Park Project Final EIR <br />