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City of Pleasanton—Hidden Canyon Residences and Preserve <br />Draft EIR Aesthetics, Light, and Glare <br /> <br /> <br />FirstCarbon Solutions 3.1-5 <br />https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480016/EIR/3 - Draft EIR/21480016 Sec03-01 Aesthetics.docx <br />accessible recreational and plaza areas. Recreational areas and scenic corridors are considered to <br />have relatively high sensitivity. <br />FirstCarbon Solutions (FCS) evaluated potential project impacts on aesthetics, light, and glare <br />through site reconnaissance and review of applicable plans and policies. Additionally, FCS reviewed <br />project site plans and coordinated with the City of Pleasanton staff to identify representative view <br />corridors/viewpoints near and on the project site. FCS staff prepared “before” and “after” visual <br />simulations of the proposed project as viewed from the selected viewpoints on Donlon Point Trail, <br />Dublin Canyon Road, Canyon Creek Circle, Kolb Ranch Drive, and Crosby Drive. “Before” images <br />consist of photographs of the project site depicting existing conditions. “After” images consist of <br />computer-generated images that incorporate proposed site and architectural plans for the proposed <br />project. <br />Light and Glare <br />The analysis of light and glare impacts in this section focuses on the nature and magnitude of <br />changes in light and glare conditions of the project site and surrounding area. If light and glare <br />conditions of the proposed project and the existing environment are similar, then the visual <br />compatibility would be high. If light and glare conditions of the proposed project strongly contrast <br />with existing light and glare or applicable regulations, then light and glare compatibility would be <br />low and significant impacts may result. Relevant urban design policies and guidelines are used to <br />provide conclusions regarding significance of project- and cumulative-level light and glare impacts. <br />3.1.5 - Thresholds of Significance <br />The lead agency utilizes the criteria in the California Environmental Quality Act (CEQA) Guidelines <br />Appendix G Environmental Checklist to establish thresholds of significance to determine whether <br />impacts to aesthetics are significant environmental effects. As such, the City has determined that the <br />proposed project would have a potential impact if it would: <br />a) Have a substantial adverse effect on a scenic vista. <br />b) Substantially damage scenic resources, including, but not limited to, trees, rock <br />outcroppings, and historic building within a state scenic highway. <br />c) In non-urbanized areas, substantially degrade the existing visual character or quality of <br />public views of the site and its surroundings. (Public views are those that are experienced <br />from publicly accessible vantage point). If the project is in an urbanized area, would the <br />project conflict with applicable zoning and other regulations governing scenic quality. <br />d) Create a new source of substantial light or glare which would adversely affect day or <br />nighttime views in the area. <br /> <br />3.1.6 - Project Impacts and Mitigation Measures <br />This section discusses potential impacts associated with the development of the proposed project <br />and provides mitigation measures where appropriate.