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Table 1. Continued <br /> <br /> The City of Pleasanton shall avoid grading and construction <br />activities along the stream banks of the Arroyo del Valle between <br />October 15 and May 1 to reduce potential mortality to hibernating <br />turtles. <br /> <br /> If a turtle becomes trapped during construction activities <br />within the waterway, the turtle will be removed ~om the work area <br />and placed downstream from the project site. <br />BIO-5 Conduct a preconstmction survey for nesting raptors. Before <br />construction activities begin, a qualified biologist will conduct a <br />preconstruction survey during the spring or early summer (April <br />through early July) to determine whether white-tailed kites or other <br />raptors are present on or adjacent to the project site to avoid <br />construction-related impacts. If this surveys detects nesting raptors on <br />the project site, the nest tree will be fenced and a no-disturbance buffer <br />will be established until nesting activity is completed. The distance <br />and placement of the buffer area will be determined in consultation <br />with DFG. <br />BIO-6 <br /> Breeding Season. Preconstmction surveys consist <br />of visually checking all potential habitat in the Bernal Avenue Bridge <br />project area and within 250 feet of its boundaries. If active burrowing <br />owl nests are found, biologists will establish a 250-foot buffer zone <br />around the active burrow. No construction activities will be permitted <br />within the specified buffer zone until after the breeding season, <br />between February 1 and August 31, or until it is determined that young <br />have fledged. <br /> <br />Wintering Season. Because adult burrowing owls can occupy <br />burrows year-round, DFG mitigation guidelines for burrowing owls <br />will be implemented before initiating construction activities in <br />potential burrowing owl habitat. Preconstruction surveys during the <br />wintering season consist of visually checking all potential habitat in <br />areas where ground-disturbing activities would occur. <br /> <br />Qualified wildlife biologists will conduct preconstruction surveys for <br />burrowing owls within 1-2 weeks of construction activities. The <br />guidelines require that one-way doors be installed at least 48 hours <br /> <br />DPW <br /> <br />DPW <br /> <br />Prior to construction and <br />during April through July <br /> <br />Prior to construction <br /> <br />Page 4 of 10 <br /> <br />DFG/Biological Monitor <br /> <br />DFG/Biological Monitor <br /> <br /> <br />