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City of Pleasanton <br />475 and 493 St. John Street Mixed-Use Project <br /> <br />32 <br />CONDITIONS OF APPROVAL <br /> Worker Environmental Awareness Program: Prior to the start of ground disturbance, the <br />construction crew should participate in on-site training on the proper procedures to follow if <br />cultural resources are uncovered during excavations, site preparation, or other related <br />activities. This Worker Environmental Awareness Program should include a comprehensive <br />discussion of applicable laws and penalties under the law, samples or visuals of artifacts that <br />might be found in the vicinity of the Project site, a discussion of what such artifacts may look <br />like when partially buried or wholly buried and then freshly exposed, a discussion of what <br />prehistoric and historic-period archaeological deposits look like at the surface and when <br />exposed during construction, and instruction that employees are to halt work in the vicinity of a <br />discovery (within 50 feet). This information should be provided in a kick-off meeting or with an <br />informational brochure that outlines reporting procedures in the event of a discovery, which <br />would be provided to all individuals working on-site. <br /> Archaeological Monitoring: Archaeological monitoring under the direction of an archaeologist <br />meeting the Secretary of the Interior’s Professional Qualifications Standards for archaeology <br />(National Park Service 1983) should be performed during permitted ground disturbing activities. <br />Activities that would require an archaeological monitor include mass grading and excavation <br />with mechanical equipment. Based on the level of prior development within the project site, <br />Rincon recommends that archaeological monitoring be initiated once ground disturbing <br />activities such as rough grading encounter previously undisturbed soils. Undisturbed soils are <br />expected to be encountered roughly 18 inches below the ground surface in landscaped areas or <br />paved areas. Activities requiring the use of hand tools are not recommended for monitoring. <br />During monitoring, the monitors will examine the work areas for the presence of prehistoric <br />artifacts (e.g., chipped stone tools and production debris, stone milling tools, ceramics), historic- <br />period debris (e.g., metal, glass, ceramics), and/or soil discoloration that might indicate the <br />presence of a cultural midden. Each monitor should maintain a daily log documenting ground <br />disturbing activity, work locations, description, and provenience of any archaeological <br />discoveries (if any), and any necessary action items for monitoring. Archaeological monitoring <br />may be reduced or terminated at the discretion of the archaeologist in consultation with the <br />City, as warranted by conditions such as encountering bedrock, the presence of fill soil, or <br />negative findings during initial ground disturbance. If monitoring is reduced to spot-checking, <br />spot-checking should occur when ground disturbance moves to a new location or when ground <br />disturbance will extend to depths not previously excavated (unless those depths are within <br />bedrock). <br /> Unanticipated Discovery of Cultural Resources: In the event that archaeological resources are <br />unexpectedly encountered during ground-disturbing activities, work within 50 feet of the find <br />shall halt and an archaeologist meeting the Secretary of the Interior’s Professional Qualifications <br />Standards for archaeology (National Park Service 1983) shall be contacted immediately to <br />evaluate the resource. If the resource is determined by the qualified archaeologist to be <br />prehistoric, then a Native American representative shall also be contacted to participate in the <br />evaluation of the resource. If the qualified archaeologist and/or Native American representative <br />determines it to be appropriate, archaeological testing for CRHR eligibility shall be completed. If <br />the resource proves to be eligible for the CRHR and significant impacts to the resource cannot <br />be avoided via project redesign, a qualified archaeologist shall prepare a data recovery plan <br />tailored to the physical nature and characteristics of the resource, per the requirements of CCR <br />Guidelines Section 15126.4(b)(3)(C). The data recovery plan shall identify data recovery <br />excavation methods, measurable objectives, and data thresholds to reduce any significant