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Exhibit A Scope of Services The City of Redwood City shall perform removal of debris, trash, vegetation (in- stream and on banks) and roots as part of the annual flood control maintenance of Atherton Channel (Channel) and in accordance with the requirements of our California Department of Fish and Wildlife (CDFW) Streambed Alteration Agreement (SAA) (Exhibit A -1). The following tasks shall be performed: 1. Remove and dispose of trash and debris embedded within the Channel using hand tools and a clamshell bucket. 2. Tree and Vegetation Removal: a. Remove living vegetation in the Channel and on the lower half of the creek banks using hand tools. Trees and other woody vegetation shall only be trimmed, not removed, to the extent necessary to allow a specific level of access and for specific types of equipment (e.g. crane, clamshell bucket) or to restore normal streamflow. b. Remove vegetation and mow levee slopes and top of bank using hand tools. c. Remove trees, shrubs, and emergent wetland plants from the Channel if they are below ordinary high water and are restricting the capacity of the Channel or are causing erosion. d. Prune branches overhanging the Channel and impacting water flows. Branches in the lower third of any woody plant and less than three (3) inches in diameter may be trimmed. e. Trim understory ground cover and vines (e.g., mugwort, blackberry, ferns) only as needed. f. Cut off woody and herbaceous plants, fallen trees or trunks lodged in the bed or bank causing flow restriction at the bed or bank invert with small tools and remove with winch and cable. Root structures shall not be excavated or disturbed. No vegetation shall be removed by excavation or cutting off below the soil. g. No equipment shall be operated within the drip line of trees. Protective fencing shall be placed around the drip lines to prevent compaction of the root zone. No bulldozers, backhoes, or other heavy equipment shall be used to remove trees. 3. Remove and dispose of invasive, non - native plants using hand tools. 4. All personnel /work crew shall receive educational training on species that may be present at the site before being allowed to work on site. The training will be conducted by a qualified biological monitor or biologist under contract with the City. 5. Spoils shall not be placed where it could enter the stream, riparian or wetland areas. To the extent possible, vegetation and recyclable materials, such as bottles and cans, should be separated out. If the City of Menlo Park cannot accommodate the spoils, the City of Redwood City shall transport and dispose of the spoils in accordance with statutes and regulations. The City of Redwood City shall bill the City of Menlo Park for actual, full costs associated with the testing, transport and disposal of spoils, if necessary. Page 6 of 34 ATTY /AGR /2018.243/CITY OF MENLO PARK_ATHERTON CHANNEL GSA