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to the City of Santa Ana for On -Call Environmental Services (RFP 21-105) reports to Caltrans District 12 using the format and guidance contained in the Caltrans Standard Environmental Reference (SER). This Bikeway Gap Closure project is a Caltrans Local Assistance project. ♦ Maintenance Monitoring Along Trabuco Creek Road. ECORP conducted biological monitoring for the Trabuco Creek Road maintenance activities. ECORP coordinated with OC Public Works, assisted with biological compliance, provided WEAP training and monitoring reports. ♦ A Nesting Bird Survey for the El Modena Open Space. ECORP provided OC Parks with environmental services for the El Modena Open Space in Orange County, California. The survey was in support of mechanical weed reduction activities at eight locales around the perimeter of the El Modena Open Space as part of ongoing fuel modification zone management. ♦ Boise Chica Channel Biological Survey and Jurisdictional Delineation. ECORP provided environmental services for the Bolsa Chica Channel (channel) in the Cities of Seal Beach and Westminster. ECORP biologists conducted a biological reconnaissance survey and a jurisdictional delineation of the channel and provided OCPW with a biological report summarizing the results of both surveys. OCPW was proposing to replace repair the earthen slopes and invert and to add rock armoring from the toe to approximately two feet up the slope. The project area spans across two consecutive reaches of an approximately 3-mile stretch of the channel between State Route 22 and the confluence with the Westminster Channel. ♦ East Garden Grove-Wintersburg Channel General Regulatory Support. ECORP provided regulatory support for the East Garden Grove-Wintersburg Channel (channel) in the City of Huntington Beach, Orange County, California. Additional information regarding the jurisdictional waters within the channel was requested by OCPW based on comments from the U.S. Army Corps of Engineers (USACE). In response to this request, ECORP prepared a figure showing the location of the mapped ordinary high-water mark (OHWM) on a cross-section of the channel. ECORP also prepared a discussion regarding estimated flood events and physical indicators that were mapped during the delineation and subsequently used to identify the OHWM in the channel. The figure and discussion were presented in a letter report that serves as an addendum to the Biological Resource Assessment and Jurisdictional Delineation report on the channel prepared for the OCPW. In addition, ECORP worked with OCPW to address any additional regulatory questions or comments regarding the delineation of the channel. As -Needed Environmental and Cultural Consultant Services, Los Angeles County Client: Los Angeles County Public Works Year Completed: Ongoing Since 2007, ECORP has provided CEQA/NEPA, biological resources, restoration ecology, regulatory permitting, and cultural resources services to the county at various infrastructure projects throughout the county. Examples of task orders include: ECORP Consulting, Inc. 13VFI ROVNE 51'A L C 0 N Y I L I L'I'S October 21, 2021 ■ 16 P21-590