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City of San Leandro Alvarado Commerce Center Project <br /> 30 <br />buildings, sites, structures, or objects is present on the project site or in the project vicinity. Existing <br />onsite buildings are typical industrial and warehouse buildings with no special or unique <br />architectural interest or known historical associations. No historic resources are present on the <br />project site. The project would not have an impact on or result in a change in historical resources. <br />There would be no impact. <br />NO IMPACT <br />b. Would the project cause a substantial adverse change in the significance of an archaeological <br />resource as defined in §15064.5? <br />c. Would the project directly or indirectly destroy a unique paleontological resource or site or <br />unique geological feature? <br />The project site is in a highly urbanized area. The site is currently developed with structures and <br />parking areas. Although unlikely due to previous site grading and the relatively low depth of <br />proposed excavation, during earthwork the subsurface materials would be uncovered and there is <br />the possibility that archaeological and paleontological resources located in the soil could be <br />unearthed. Excavation and ground-disturbing activities could potentially expose, damage, or destroy <br />these previously undiscovered archaeological or paleontological resources. Therefore, mitigation is <br />required. <br />Mitigation Measures <br />The following mitigation measures shall be implemented prior to and during ground-disturbing <br />activities associated with construction onsite: <br />CR-1 Archaeological Resources. In the event that archaeological resources are discovered <br />during construction, operations shall stop within 50 feet of the find and a qualified <br />archaeologist shall be consulted to determine whether the resource requires further <br />study. The project applicant shall include a standard inadvertent discovery clause in <br />every construction contract to inform contractors of this requirement. The archaeologist <br />shall make recommendations concerning appropriate measures that will be <br />implemented to protect the resources, which may include, but be not limited to, <br />excavation and evaluation of the finds in accordance with Section 15064.5 of the CEQA <br />Guidelines. Cultural resources could consist of, but are not limited to, stone, bone, wood, <br />or shell artifacts or features, including hearths. Any previously undiscovered resources <br />found during construction in the project area should be recorded on appropriate <br />Department of Parks and Recreation (DPR) 523 forms and evaluated for significance in <br />terms of CEQA criteria. <br />CR-2 Paleontological Resources. In the event a fossil is discovered during construction of the <br />project, excavations within 50 feet of the find shall be temporarily halted or delayed until <br />the discovery is examined by a qualified paleontologist in accordance with Society of <br />Vertebrate Paleontology standards. The project applicant shall include a standard <br />inadvertent discovery clause in every construction contract to inform contractors of this <br />requirement. If the find is determined to be significant and if avoidance is not feasible, <br />the paleontologist shall design and carry out a data recovery plan consistent with the <br />Society of Vertebrate Paleontology standards. <br />327