Agmt25 Schaaf and Wheeler Consulting Civil Engineers

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REV: 07-08-25 VR Task 2. Data Collection and Preliminary Studies, up to $535,590 Time and Materials (T&M) This task provides the information needed to address key data gaps to complete necessary tasks required for engineering design, environmental clearances and construction, as well as establishing requirements to satisfy FEMA levee accreditation and provide for climate change adaptation. This task includes: Task 2.1. Gather Existing Data Including Site Reconnaissance: Consultant to collect data and guidelines relevant to the project area. Data is available from the City and other project partners who maintained the existing levee system to date, including as-built plans of impacted facilities, aerial photos, assessor’s parcel maps, survey records, topographic files, geotechnical reports and existing boring data, base plan of existing utilities, internal drainage and hydraulics studies, groundwater rise, and hazardous material review (if applicable), water quality, and habitat and environmental resources. Consultant to prepare a memo containing a list of all gathered data and guidelines and provide a file sharing location/library where all participating agencies may access the data. Task 2.2. Coordinate with FEMA to establish Accreditation Requirements: Consultant to work closely with City and FEMA staff to confirm that the 2014 Bay Area Coastal-South Flood Hazard Study (study to be shared upon request) meets FEMA accreditation requirements for design of flood protection, ecosystem, and recreation infrastructure. Consultant to prepare a memo outlining their findings. In addition, Consultant to complete all studies, surveys, and investigations for FEMA accreditation of the levees under 44 CFR 65.10. o Task 2.2.1. Coastal Hazard Analysis: Consultant to prepare an updated coastal hazard analysis to determine baseline conditions in the project area (e.g. one percent annual chance stillwater surge elevation, one percent annual chance wave crest elevation, one percent annual chance maximum wave runup), as well as sea level rise scenarios consistent with the 2024 California Ocean Protection Council (OPC) Sea Level Rise Science and Policy Update and the BCDC RSAP guidelines. o Task 2.2.2. Hydrologic and Hydraulic Studies: Consultant to build off the interior drainage studies completed for the levee system’s 2010 ATTY/AGR.2025.172/Schaaf and Wheeler Consulting Civil Engineers (Redwood Shores Sea Level Rise Protection) (Page 12 of 36)