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should be stopped within 50 feet of any discovery until a proposal for the evaluation of the <br /> resource as required by CEQA guidelines has been submitted to the lead agency for approval. If <br /> evaluation of the resource through a program of hand excavation demonstrates that the resource is <br /> eligible for inclusion on the California Register of Historic Resources, a proposal for mitigation <br /> of impacts to the resource should be submitted to the lead agency for approval before work is <br /> allowed to recommence in the area of recorded archaeological deposit. <br /> b. In the event that historic archaeological deposits are uncovered during site monitoring,work <br /> should be halted within 20 feet of any discovery until the deposit has been evaluated for potential <br /> significance through a program of hand excavation if necessary. If it is determined that the <br /> deposit qualifies for inclusion on the California Register, a plan for mitigation of impacts to the <br /> resource should be submitted to the lead agency for approval before any actual mitigation efforts <br /> are undertaken prior to the continuation of grading operations. Mitigation can include the <br /> recording in situ and/or removal of additional historical materials by an archaeological team for <br /> later analysis combined with continued monitoring of earthmoving activities in the vicinity of any <br /> discovery. <br /> Significant Impact <br /> Impact 4.10-2: The project proposes to remove the entire ranch complex and most of the vegetation <br /> associated with it. <br /> Finding <br /> Changes or alterations have been required in, or incorporated into,the project which mitigate or avoid the <br /> significant effects on the environment. <br /> Facts in Support of Finding <br /> The City of Pleasanton has adopted the following measures which will reduce potential impacts related to <br /> removal of the ranch complex to a less-than-significant level: <br /> Mitigation Measure 4.10-2: The following mitigation measures shall be undertaken prior to the issuance <br /> of a demolition permit for the ranch complex: <br /> a. Historical site records shall be prepared which include the description of all existing elements of <br /> the ranch complex along with photo documentation of them, including: (1)all structures and/or <br /> remains of structures mentioned in the 1990 and 1999 report and others; (2)the Quonset hut <br /> located up creek from the main house; (3)all other historical features mentioned in the 1990, <br /> 1999, and 2003 reports, such as the landscaping elements, piles of historic debris,and the variety <br /> of vehicles now abandoned there. <br /> b. Some materials and/or items, such as the horse drawn wagon, may be of interest to local historical <br /> societies or groups. An attempt should be made to consult with organizations who may have an <br /> interest in materials for re-use before they are cleared from the construction site. <br /> HAZARDS AND HAZARDOUS MATERIALS(SECTION 4.12) <br /> Significant Impact <br /> Impact 4.12-1: The proposed project would result in increased generation of household hazardous wastes <br /> that could cause human health and environmental effects if improperly disposed. <br /> Finding <br /> Changes or alterations have been required in, or incorporated into,the project which mitigate or avoid the <br /> significant effects on the environment. <br /> LUND RANCH II(PUD-25)RESIDENTIAL PROJECT 18 FINDINGS <br />