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05-Z9-03 07:29 FRO~-EBF CONSULTING-PLaNING DEPT. +G~983741Z2 T-707 P,OOZ/O0~ F-7ZT SCOPE OF ENVIRONMENTAL SERVICES 'lst Street~ 5th Street, Fairview and McFadden Avenue Bridges at the Santa Aha River Seismic Retrofit of Existing Bridges May 29, 2003 The Client and the Consultant for mutual consideration hereinafter set forth, agree that the Consultant shall perform the following services for each bridge. Please note that the fee for each task assumes that all four bridges and the necessary permits will be processed concurrently. Should any one of the bridges be processed at a separate time as the others, RBF retains the right to re-submit a revised fee schedule. TASK 1,0 TECHNICAL COMPLIANCE Task 1.1: Biological Review A literature review will be conducted for each bridge ~o determine which species have been identified as special status by state, federal, and local resources agencies and organizations, and have a potential to occur within the project site or immediate vicinity. Sources to be reviewed include: (1) special status species lists from the California Department of Fish and Game (CDFG) and U.S. Fish and Wildlife Service (USI=WS); and (2) database searches of the California Natural Diversity Database (CNDDB) and the California Native Piant Societ3/s (CNPS) Electronic Inventory. TASK 2.0 REGULATORY PROCESSING It is our understanding that the City wishes to acquire one comprehensive set of permits for each bridge location, authorizing the City to complete multiple consb'uction phases under a single permit umbrella, A key element that must included in the Categorical Exemption (CE) is thorough description of each construction phase, providing a concrete purpose for pursuing a phase construction program verses a single construction phase. Our initial permitting approach will address all construction phases as defined by the City, This approach assumes that the combined total permanent discharge (at each bridge location) will not exceed 0.5 acre. RBF will coordinate with the appropriate resource agencies to discuss the City's desired permitting approach and develop a permit strategy that would meet the City's construction objectives. However, as with any project which raquires authorization from the Army Corps of Engineers (ACOE), the California Department of Fish and Game (CDFG), and the Regional Water Quality Control Board (RWQCB), the overall permit acquisition process, mitigation obligations, and phasing approach is subject to review and concurrence from the aforementioned agencies. Task 2.1: Site Visit to Determine Corps Jurisdiction RB F will demrmine acreage considered by the Army Corps of Engineers (ACOE) and the California Department of Fish and Game (CDFG)to be jurisdictional non-wetland "waters of the United States." Since these areas of the Santa Ana River are concrete lined, it is assumed that no Wetlands will be identified. RBF will conduct a site investigation with respect to hydrology, hydrophytic vegetation (if applicable), and hydric soils (if applicable). RBF will prepare a determination of the ordina ry high water mark (OHWM) within the existing drainage channel Page 2 of 6