RDA Reso 2000-004 - Laserfiche WebLink

Home

Appendix E (Initial Study/Part ~ ~ Page 8 Attachment to Appendix E -Initial Study (Part 2) l.b. The project site is a combination of paved, partially paved, and unpaved areas. The site is the former location of the City's Corporation Yard (vacated in the early 1980's) and several residential and commercial properties which were removed in the late 1980's for the San Leandro Boulevard street widening project. The properties would need to be graded and paved for development of the site. This paving of unpaved surfaces would constitute overcovering of the soil. Due to the fact-the drainage system will be required to be built in conformance with City Engineering Department standards (see 3b below), impacts are anticipated to be less than significant. l.g. This project area lies within approximately one and one-half (1-1/2) miles of the Hayward Fault zone and is within a seismically active area. In the event of a major earthquake on the Hayward, San Andreas or other nearby fault, structures or persons in the area would be exposed to damage or risk depending on the magnitude and nature of the earthquake. All construction must comply with the San Leandro Municipal Code which requires all new structures to be engineered and designed to resist the forces imposed by an earthquake. 3.b. The existing site is essentially flat and includes a combination of paved, partially paved and unpaved surfaces. The grading and paving of this area will increase and redirect surface drainage. Presently the site drainage is a combination of sheet flow into the creek or percolation into the ground and then into the creek. The on-site drainage system will be designed to pretreat the runoff to meet Alameda County Clean Water Program requirements and to regulate the rate of release into the existing storm water drainage system on Davis Street and San Leandro Boulevard. The developer and City will determine the capacity of the existing system and appropriate rate of release from the site as part of the building and grading permit application process. No new storm drain outfalls will be constructed into San Leandro Creek. (Conversation with Andrew Gaber, Senior Engineer, City of San Leandro, April 29, 1997. Information re- verified for revised project by Nanda Gottiparthy, Senior Engineer, City of San Leandro, October, 1999). 4.a. The proposal will involve a change in the diversity of plant species in that new landscaping will be introduced on the site. The project area is adjacent to the San Leandro Creek. The creek provides a major riparian (stream-bank corridor) habitat with a wide range of plants and animals. The landscaping will be limited to the top of bank and will be integrated into existing creek landscaping. Any new landscaping material adjacent to the creek would be consistent with the East Bay Municipal Utility District guidelines for drought tolerant and native plants. An arborist's report was prepared for the first application for this site, and it recommends that most of the trees be retained. The report does identify some unhealthy trees that should be removed. The final landscape plan will be subject to the review :and approval of the Redevelopment Agency. Creekside Plaza - IS/Part 2 ~8