25B - SANTA ANA BLVD GRADE SEPARATION

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GHG emissions consistent with the latest guidance from Caltrans Headquarters. This stems from the fact that GHG emission factors vary depending on travel speed. • NEPA/404 integration process will not be required. • It is assumed that all rights of entry and access for field work and surveys, if required, shall be obtained and provided by the City or AECOM. • Public meetings and/or hearings are not assumed or included. • Section 4(f) Evaluation will not be required. • A Community Impact Assessment will not be required • Relocations would not occur and a relocation document will not be required. • Cadd files shall be provided in a known coordinate system or projection and attributes shall be provided on discrete layers so that this information can be utilized in GIS. Historic Property Survey Report The proposed project improvements will be subject to compliance with Section 106 of the National Historic Preservation Act. This requires consideration of potential project effects to historic properties including archaeological and historical resources listed in or eligible for listing in the National Register of Historic Places according to criteria listed in 36 CFR800. Caltrans administers Section 106 compliance on behalf of FHWA and requires that documentation conform to specifications contained in Caltrans Standard Environmental Reference. As of January 1, 2004, cultural resource studies must be prepared and processed in accordance with the Programmatic Agreement among the Federal Highway Administration, the Advisory Council on Historic Preservation, the California State Historic Preservation Officer, and the California Department of Transportation Regarding Compliance with Section 106 of the National Historic Preservation Act, as it Pertains to the Administration of the Federal-Aid Highway Program In California. ICF Jones & Stokes shall conduct a records search at the Information Center of the California Historical Resources Information System and through the Sacred Lands File at the Native American Heritage Commission. This records search will consult California's database of previous studies and previously recorded sites within the proposed project area and within a 0.5-mile radius, per Caltrans guidelines. Historic maps and photographs shall also be reviewed, if available. ICE Jones & Stokes shall establish an Area of Potential Effect (APE) map in consultation with the City and Caltrans for obtaining Caltrans approval. The map shall provide the survey boundaries for cultural resources to be evaluated during project studies. The APE map shall be based on the total anticipated disturbance footprint associated with project activities (e.g., road widening/interchange construction, staging areas, detours, drainage facilities, and parcels containing impacted structures, if any). ICE Jones & Stokes will also contact the Native American Heritage Commission and consult with Native American groups and other interested parties to request information regarding the types of potential cultural resources in the study area. Consultation will be conducted in accordance with appropriate and current state and federal regulations. Following completion of the record search/review, WE Jones & Stokes shall conduct a field survey of the APE for archaeological resources. It is assumed that the City or AECOM will be responsible for obtaining access for conducting the surveys. This scope of work assumes that no archaeological sites will be identified in the APE and that no testing and/or evaluation will be required. It is anticipated that an Archaeological Survey Report (Finding of No Archaeological Resources Present) will be prepared. Following completion of the record search/review, an ICF Jones & Stokes qualified architectural historian will conduct a field survey of the proposed project area to record buildings, structures, and historic features through photography and written descriptions. If buildings are substantially altered or are less than 50 years old, a qualified architectural historian can exempt them from further evaluation in accordance with the Section 106 PA. It is anticipated that up to four (4) buildings and structures will not be exempt under the PA and will require evaluation on California historic resource inventory forms (series DPR 523). Any buildings beyond this number would be considered out of scope. ICF 011` (?/ Santa Ana 25B-32