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Pirnlico Drive Turnout ured Pipeline Project Erevironn:enta! Cl:ec•klist • Where possible, the Constntction Contractor shall use newer, cleaner-burning diesel-powered constntction equipment. Project Measure AIR-2: Dust Control The City shall control fugitive dust generated by project construction activities. These measures shall include: Require the Construction Contractor to prepare and implement a fugitive dust control plan to be approved by the City prior to construction startup, including; o Water at least twice daily, and more often during windy periods exposed (unpaved or not graveled) staging areas except during periods of rain; o Sweep street surfaces, parking areas and staging areas daily if visible soil material is deposited on adjacent roads; o Cover haul trucks or maintain at least two feet of freeboard; o Limit vehicle speed to 15 miles per hour (mph) on any unpaved surfaces; o Apply clean water or other approved dust suppressants to exposed dirt surfaces, as needed; and o Restore vegetation in disturbed areas and restore road surfaces at the conclusion of construction. Project Measure CUL-1: Protection or Recovery of Data The City shall hire a qualified archaeologist to conduct preconstruction research and field study as appropriate and to be present on site during grading, excavation and trenching of project facilities in order to determine if any bone, shell, or artifacts are uncovered. If any bone, shell, or artifacts are uncovered, work in the area shall be halted and the City shall be immediately notified. Project personnel shall not collect cultural resources. Work near the archaeological finds shall not be resumed until a qualified archaeologist has evaluated the materials and offers recommendations f'or further action. Project Measure CL1L-2: Prehistoric Human Remains In the event that human remains are encountered, ground disturbing activities at that location shall cease immediately, and there shall be no further excavation or disturbance of the site, or any nearby areas reasonably suspected to overlie adjacent human remains, until the County Corner makes a determination of whether an investigation of the cause of death is required or that the remains are Native American. If the Coroner determines that the remains are Native American, then the Native American Heritage Commission in Sacramento shall be contacted within 24 hours (by County Corner), along with the Most Likely Descendant(s) of the deceased Native American (by the Native American Heritage Commission), and disposition of the remains shall be in accordance will all applicable laws and regulations. City of Pleasanton I 1 Winzler & Kelly Draft Initial Study/Proposed Negative Declaration August 2006 04263501