AgdaPkt 2017-09-11 Closed and Joint SA PFA

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7.A. - Page 62 LSA ASSOCIATES, INC. ROCKETSHIP REDWOOD CITY ELEMENTARY SCHOOL PROJECT SEPTEMBER 2016 INITIAL STUDY/MITIGATED NEGATIVE DECLARATION that previously unknown archaeological resources would be uncovered during site preparation and grading activities,implementation of the following two-part mitigation measure would be required to ensure that potential impacts to archaeological resources would be reduced to a less-than-significant level. Mitigation Measure CUL-la: Prior to the issuance of a grading permit for the project site,the Redwood City Planning,Housing,and Economic Development Department shall confirm that the project sponsor has required all construction crews to undergo adequate training for the identification of federal or State-eligible cultural resources,and that the construction crews are aware of the potential for previously undiscovered archaeological resources,including human remains; of the laws protecting these resources and associated penalties; and of the procedures to follow should they discover cultural resources or human remains during project-related work. Mitigation Measure CUL-lb: Should an archaeological resource be encountered during project construction activities,the construction contractor shall halt construction within 50 feet of the find and immediately notify the City of Redwood City and the County of San Mateo. Construc- tion activities shall be redirected and a qualified archaeologist,in consultation with the City and County, shall: 1)evaluate the archaeological deposit to determine if it meets the CEQA definition of a historical or unique archaeological resource and 2)make recommendations about the treatment of the deposit,as warranted. If the deposit does meet the CEQA definition of a historical or unique archaeological resource,then it shall be avoided to the extent feasible by project construction activities. If avoidance is not feasible,then adverse effects to the deposit shall be mitigated as specified in CEQA Guidelines Section 15126.4(b) (for historic resources)or CEQA Section 21083.2 (for unique archaeological resources). This mitigation may include,but is not limited to,a thorough recording of the resource on Department of Parks and Recreation Form 523 records,or archaeological data recovery excavation. If data recovery excavation is warranted,CEQA Guidelines Section 15126.4(b)(3)(C),which requires a data recovery plan prior to data recovery excavation, shall be followed. If the significant identified resources are unique archaeological resources,mitigation of these resources shall be subject to the limitations on mitigation measures for archaeological resources identified in CEQA Sections 21083.2(c)through 21083.2(f). c) Directly or indirectly destroy a unique paleontological resource or site or unique geologic feature? (Potentially Significant With Mitigation Incorporated) Although there is no documentation that suggests paleontological resources are present within Redwood City or the project site,26 there is a possibility that construction activities could uncover paleontological resources beneath the surface. Implementation of the following mitigation measure would ensure that potential impacts to paleontological resources would be reduced to a less-than- significant level. 26 Ibid. P:1RWC1401B Rocketship Sch-I\PRODUCrSUS-MND1Public\Ra ketship Public Review 09-29-16.docx(09/29/16)PUBLIC REVIEW DRAFT 38 ATTY/RESO.0084/CC RESO ADOPTING CEQA-ROCKETSHIP CHARTER SCHOOL APPEAL REV:09-05-17 VR Page 46 of 124