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Proposal to the City of Santa Ana for On -Call Environmental Services removal on the Lower Peters Canyon Retarding Basin Project. ECORP submitted a compliance memorandum to the County. ♦ Santa Ana River Cleanout Surveys and Monitoring. ECORP conducted nesting/breeding bird and grunion surveys prior to sediment removal operations at the Santa Ana River Outlet. ECORP biologists identified nests in the project area and demarcated grunion run areas for avoidance during operations in accordance with regulatory permits. Also, provided full-time biological construction monitors to protect nests, grunion run areas, snowy plovers, and least terns during operations. ♦ C05 Maintenance Road Improvement Project. ECORP conducted a biological reconnaissance survey and field meeting at a proposed staging area for the placement of the disintegrate granite for the Project. A follow-up memo was prepared with recommendations, addressing California Coastal Commission concerns. ♦ Lower Peters Canyon Basin HMMP. Prepared a Habitat Mitigation and Monitoring Plan (HMMP) for planned maintenance activities within a retarding/ retention basin. Project duties included performing an assessment of the site for mitigation potential, developing a conceptual site restoration plan, incorporating into the HMMP avoidance measures for federally protected coastal California gnatcatcher and least Bell's vireo, and submitting for resource agency review and approval. ♦ Santa Ana River Bridges CEQA Addendum. ECORP prepared an Addendum to a Program EIR addressing engineering improvements to enhance safety and security at 8 bridges along the Santa Ana River from Yorba Linda to Huntington Beach. ♦ Trabuco Creek Road Dust Control and Soil Stabilization. ECORP provided preconstruction nesting bird survey services in addition to work environmental awareness training in addition to pamphlet handouts for construction workers. Biological construction compliance monitoring was also provided during dust control and soil stabilization measures being applied to Trabuco Creek Road from Trabuco Canyon Road to the first creek crossing. ♦ Hospital Road and Justice Way CEQA Documentation. ECORP prepared a Categorical Exemption with technical studies for roadway improvements near the Orange County Juvenile Justice Center in Orange, California. Technical studies included air quality/GHG and noise, and cultural/historic resources. OC Loop Bikeway Segment D Project. ECORP prepared Cultural Resources, Biological Resources, and Location Hydraulic studies for the OC Loop Segment D Class I Bikeway project, located from Imperial Highway south to Bastanchury Road along the Carbon Canyon Flood Channel. ECORP prepared an Area of Potential Effects (APE) Map, an Archaeological Survey Report (ASR), and a Historic Property Survey Report (HPSR). ECORP's archaeologist obtained Sacred Lands search file and a list of Native American contacts for the project area from the California Native American Heritage Commission (NAHC) in compliance to the Caltrans Section 106 guidelines. ECORP also prepared a Natural Environment Study/Minimal Impact (NESMI) for the project that described the existing biological environment at the project site, based on the results of our survey work and research conducted. ECORP submitted cultural and biological ECORP Consulting, Inc. EVCIRON VF\lAI. CONS ULTAYTS October2l, 2021 ■ 15 P21-590