3A Public Hearing 2010 0503 - Laserfiche WebLink

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• runoff from parking lots is captured and filtered, • roadways are specified to contain a minimum of 25 percent recycled aggregate, • heat island effect is reduced by meeting parking lot tree planting requirements, and by using both standard and color concrete pavement with a solar reflex index (SRI) of 29 or greater, • there is no turf in any area less than eight feet wide, and no turf on slopes greater than 10 percent, • plants are grouped by water requirement, with installation of a high -efficiency irrigation systems, and • plant debris will be separated during maintenance for clean green discounts. Hardscape The hardscape materials proposed for the project include a variety of paving materials to separate functional elements and areas. Standard concrete with bollard lighting is used for pathways in the west parking lots, decomposed granite pathways are used in the east parking lots, and integral color concrete is used for the drop-off drive at both the rotunda and west HSB entrances. Seat walls near the entrances are made with composite lumber with recycled content. Three bus shelters will be located along West Medical Center Driveway. All trash receptacles will provide combined litter and recycling features. Pedestrian pole lights (10-12' height at 40-50' spacing) will be provided at plaza spaces north and west of the HSB as well as at other pedestrian zones east and south of the HSB and Hospital buildings. Special Site Amenities The area east of the Hospital includes a special landscape feature specifically selected to reflect the diversity of the San Leandro community. A large seven -circuit Universal Labyrinth pattern is designed into the plaza adjacent to the Emergency Entrance. This is intended to be a multi- cultural labyrinth design with universal appeal. The labyrinth pattern is comprised of color concrete paving and custom color seeded aggregate, with adjacent seat walls. An exercise par -course pathway has been designed to wind through the site, with a total of four exercise rest -stop stations planned along its route. Northwest of the HSB Entrance is a space intended to host a weekly Farmers Market, with planned locations for standard -sized vendor's stalls. Vehicles will not be parked adjacent to the plaza and events will be coordinated and monitored by Kaiser. This will create an amenity open to members, staff and the community. Stormwater Quality Requirements The site will be designed to meet the storm water quality requirements of the National Pollutant Discharge Elimination System (NPDES) permit. Water quality will be managed by directing storm water runoff into an area of planting (either in the form of a bio-swale or bio -retention area). The Medical Center site has been designed to maximize the amount of area treated in this Planning Commission Staff Report April 22, 2010 Kaiser Permanente San Leandro Medical Center and Mixed Use Retail Development Project Page 22 of 28