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POTENTIALLY ISSUES POTENTIALLY SIGNIFICANT LESS THAN NO SIGNIFICANT UNLESS SIGNIFICANT IlVIPACT SOURCES ISSUES UnTIGATION MPACT INCORPORATED PLANATION: As proposed, the project itself, which consists of the construction of 70 single-family homes on a total of just unuer 9 acres, is not anticipated to result in significant aesthetic impacts. The proposed development, which includes 2-story homes, is at a scale in keeping with the newer residential developments just to the south, on either side of Preda Street. The project site has been previously developed with industrial buildings, and removal of the remaining old industrial buildings would improve the aesthetics of the project area. Therefore, implementation of the proposed project is not anticipated to substantially degrade the existing visual character or quality of the site and its surroundings. In addition, although San Leandro Creek forms the northern project boundary, given the urban context, which includes both BART and railroad tracks and surrounding development, the project site would not be considered scenic and therefore no impacts are anticipated. As currently proposed, a majority of the mature trees located along the top of the San Leandro Creek bank are proposed to be retained. Due to the height of these mature trees, they act as an effective screen from off -site vantage points to the north, across San Leandro Creek. However, preliminary analysis performed for remediation of on -site hazardous materials indicates that between 1 to 5 feet of soil will have to be removed in the creek bank area. It is not known at this time how many trees would be affected and may ultimately have to be removed due to the required soil removal. If a significant number of bank trees are removed, this could significantly effect off -site views to the north, as the site would now be much more visible. The mitigation measure included in the Biological Resources section, which requires submittal of a revised Tree Survey and a Landscape Plan, which is specifically to incorporate fast-growing native trees which obtain a height of at least 30 feet would mitigate this impact to a level of insignificance. Because the site is vacant at this time, typical street lights and indoor lighting of the residential units would significantly increase the amount of light emanating from the project site. However, standard conditions of approval, which require that lighting be designed so that no light spills off -site, would reduce this potentially significant impact to a level of insignificance. Because the proposed development is similar to adjacent residential developments (both 2-stories in height), and given the yard setbacks incorporated into the plan, no significant impacts regarding shadows on adjacent properties are anticipated. ._ 35.: CULTURAL RESOURCES. Would theproject: Cause a substantial adverse change in the significance of a historical resource as defined X 2 in section 15064.5? b. Cause a substantial adverse change in the significance of an archaeological resource X 2 pursuant to section 15064.5? C. Directly or indirectly destroy a unique paleontological resource or site or unique X 2 geologic feature? d. Disturb any human remains, including those interred outside of formal cemeteries? X 2 EXPLANATION: There are no known cultural resources in.the project area, and given it's history of agricultural uses and light industrial development, it is unlikely that any cultural resources would be encountered during site development. Potential impacts related to unknown cultural resources that may be encountered during the construction phase can be mitigated to a level of insignificance with implementation of the following mitigation measure: • In the event that archaeological resources, prehistoric or historic artifacts are discovered during any construction or excavation, the following procedures shall be followed: Construction and/or excavation activities shall cease immediately and the Development Services Department shall be notified. A qualified archaeologist shall be consulted to determine whether any such materials are significant prior to resuming ground breaking construction activities. Standardized procedures for evaluating accidental finds and discovery of human remains shall be followed as prescribed in Sections 15064.5 and 15126.4 of the California Environmental Quality Act. Preda Street Homes - Initial Study Checklist 15 January 2001 2`�