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3. Whether the plan is compatible with previously developed properties in the vicinity and the natural, topographic features of the site. The project site is surrounded by office uses to the east and west, a public school and office uses to the north, across West Las Positas Boulevard, and Arroyo Mocho to the south and residential uses (Parkside neighborhood) to the south of the arroyo. The proposed project has been designed to incorporate comments from the Parkside residents in terms of open space locations, building height, landscaping, privacy, etc. The proposed residential use would be compatible with the surrounding uses. The building height would be compatible with the office building to the east (approximately 40 feet in height) and the residential buildings on the south side of the arroyo. The buildings have been attractively designed and would be compatible with the design of the surrounding structures. The buildings contain many architectural elements/treatments to help break up the building mass and height. New landscaping would be installed to soften the buildings and help screen the parking areas from off-site views. The majority of the site is relatively level. The existing topography of the site would generally be maintained. Grading conducted on the site will be subject to engineering and building standards prior to any development. Therefore, staff believes that this finding can be made. 4. Whether grading takes into account environmental characteristics and is designed in keeping with the best engineering practices to avoid erosion, slides, or flooding to have as minimal an effect upon the environment as possible. As described above, the site is relatively level with minimum changes in grades proposed. Erosion control and dust suppression measures will be documented in the improvement plans and will be administered by the City's Building and Public Works Divisions. City building code requirements would ensure that building foundations, on-site driveways, and parking areas are constructed on properly prepared surfaces. The proposed development. would provide adequate drainage to prevent flooding. Parking lot and roof drainage would drain into the drainage basin area that would filter contaminants before entering the arroyos and, ultimately, the bay. The site is not located within an Alquist-Priolo Earthquake Fault Zone. As indicated by Federal Emergency Management Agency (FEMA) map2, the project site is not located within a 100-year flood zone, but Arroyo Mocho, which borders the site to the west, is located within a 100-year flood zone. However, the waters are contained in the creek's channel and would not be expected to affect the project site. T herefore, staff believes that this finding can be made. 2 Flood Insurance Rate Map 06001 C0317G PUD-103/Summerhill Apartment Communities Planning Commission Page 29 of 34