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6.1C Page 15 d. Proposal assumes their will be no mitigation requirements as mitigation actions in waters of the U.S. and State will be self mitigating. However agreement to provide protective measures for federally listed species such as fencing may be required by the USFWS before project approval can occur. 2.0 Taaks Task 1. Corps Jurisdictional DeUneatlon. HBG will conduct a detailed wetland delineation to determine the location .and geographic extent of all waters of the United States (wetlands and other waters) potentially subject to regulation by the Corps. HBG will conduct this delineation in accordance with current Corps regulations. guidance memorandums, required 1987 Corps of Engineers Wetlands Delineation Manual and required Interim Regional Supplement to the 1987 Corps o/Engineers Wetland Delineation Manualfor the Arid West Region methodology, based on current and historical land use conditions. The locations of wetlands found will be mapped in the field using a Trimble Pathfinder XRS GPS unit with real-time beacon correction (accuracy <SOcm). The data collected from the above activities will be analyzed in accordance with Corps-required methodology. A jurisdictional delineation report detailing our field data, potential jurisdictional wetlands or other waters of the U.S. and jurisdictional determination analysis along with a draft copy of the Approved Jurisdictional Determination Form will be generated and provided to Client and representatives for review. All areas identified as wetlands or other waters of the United States will be mapped on a lOO-scale base map within the study boundary. It is assumed that client will provide HBO with updated digital topographic and property boundary mapping data suitable for use in AutoCAD. / Upon client approval. HBG will submit the detailed jurisdictional wetland report to the Corps for official verification of the extent and location of wetlandslwaters of the United States. This proposal assumes that 100 hours of time plus expenses are necessary for this Task. Note: As a result of the U.S. Supreme Court decision in Rapanos v. United States &. Carabell v. United states (Rapanos), guidance has been given to EPA regions and Corps districts to implement the Supreme Court's decision which addresses the jurisdiction over waters of the U.S. under the Clean Water Act. The Rapanos guidance requires the Corps to conduct detailed analysis of the functions and values of wetlands and other waters of the U.S. potentially onsite and in some cases offsite, determine if there is a nexus to ttadirional navigable watCfS and the significance of the nexus to the traditional navigable water. Results of the detailed analysis conducted by the Corps would be recorded by completing the Corps uApproved Jurisdictional Determination Fonn" provided in the U.S. Army Corps of Engineers Jurisdictional Determination Form Instructional Guidebook dated August 30, 2007. The additional work required by the Rapanes decision guidance may result in a longer process when requesting a jurisdictional determination from the Corps. 'I'hc project while not the first wil1 nevertheless be in one of the first waves of jurisdictional delineations analyzed under the new Rapanos guidance in the San Francisco Carps district. As a result. the Corps may require the applicants to provide information that is not explicitJy written in the Rapanos guidance documents. Additionally, it is likely that th~ Rapanos guidance will be revised and/or updated. which could result in further delays and requests for additional information. In order to minimize the approval time. HBG will, to the best of its ability. assist the Corps by providing the analysis and by filling out a draft Approved Jurisdictional Determination Form in accordance with the instructional guidebook published for the use and review of the Corps. Because the Rapanos guidance is new and evolving, the Corps may ask HBG to provide information or documentation that was not anticipated within the scope of work described above and/or which may result in M:\Redwood Levee 2OO9\Proposals\Redwood Shores Levee maintenance Proposal Amendment No 04-I4-2009.d<x: Page 4 of 12