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Pimlico Drive Tunuurt and Pipeline Project Enviroimientnl Checklist IV. ENVIRONMENTAL CHECKLIST The following checklist contains the environmental checklist form presented in Appendix G of the CEQA Guidelines. The checklist form is used to describe the impacts of the Proposed Project. A discussion follows each environmental issue identified in the checklist. Included in each discussion are project specific mitigations which have been incorporated into the project design as a part of the Proposed Project. For this project, the following designations are used: Potentially Significant Impact: An impact that could be significant and for which no mitigation has been identified. If any potentially significant impacts are identified, an EIR must be prepared. Less than Significant With Mitigation Incorporated: An impact that requires mitigation to reduce the impact to aless-than-significant level. Less than Significant: Any impact that would not be considered significant under CEQA relative to existing standards. No Impact: Any impact that does not apply to the project. 1. AESTHETICS Environmental Setting The proposed project facilities are located within the City of Pleasanton on flat terrain. The proposed water transmission pipeline will be located within Pimlico and Brockton drives. Portions of these roadways are bounded by residential and commercial development. The site of the fluoridation building, Zone 7 turnout and City of Pleasanton vault are situated in close proximity to each other inmrediately south and adjacent to the Interstate Highway 580 sound wall and on the north side of Pimlico Drive. Views onto the site from the east- and west-bound lanes of Pimlico Drive and the residential area south and southwest of Pimlico Drive currently consists of the sound wall next to Interstate Highway 580 and landscaping within the public right-of--way. The landscaping consists of ornamental shrubs (~Icucia lor7giflolia and Pittosporzun cr•assifolia~m) and small Austrian Willow trees (Geijeru pun~iflora) between the sound wall and Pimlico Drive. One ornamental Australian Willow tree (Geijera pun~iflor•a) and seven ornamental flannel bush shntbs (Fremorttoclendron California glory) occur at the fluoridation building site. The Santa Rita control valve vault will be located in a lawn area between the pedestrian sidewalk next to Santa Rita Road and the parking lot of Rose Pavillion. Views of the site from the south and west along Santa Rita Road are screened by several large trees planted between the road and pedestrian sidewalk. The site of the control valve vault slopes upward towards the parking lot. Views from the west of the control valve vault site from a one story commercial building housing and deli next to the Rose Pavillion parking lot are slightly screened by a gently sloping berm. City of Nlcasanton 15 Winzlcr & Kelly Draft Initial Study/Proposed iJcgahve Declaration August 2006 04263501