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James O’Connell Red Morton Community Park Regional Stormwater Capture Project, Redwood City, CA – Phase 2A 5 June 14, 2021 Tier III or IV emissions standards will be necessary to demonstrate project construction activities would not result in significant adverse health risks to student or residential receptors. •Biological Resources and Jurisdictional Waters: The IS will present a comprehensive biological resource setting discussion, a summary of applicable regulations and permits required, and mitigation measures included in the project to avoid any impacts to biological resources. Should the resource agencies require a biological resources report and/or jurisdictional waters delineation, the biology section will present this information. •Cultural /Tribal Cultural Resources: Our team Archaeologist will evaluate potential impacts to cultural and tribal cultural resources consistent with CEQA Guidelines Section 15064.5. The project is anticipated to involve excavation at depths of 10 feet or more below ground surface near Arroyo Ojo, and creeks are generally known to be areas with a high potential to contain recorded and/or unrecorded cultural and tribal resources that may be encountered or discovered during development activities. Our team, therefore, will request a search of the California Historical Resource Information System (CHRIS)and the Native American Heritage Commission (NAHC) Sacred Lands File (SLF) to determine if there are known cultural/tribal cultural resources in or near Red Morton Park. In addition, as required by CEQA, local tribes will be contacted as directed by the NAHC as an extension of the SLF search to identify potential tribal cultural resources that may not be known by the NAHC due to their specific importance to an individual tribe. Due to the anticipated depth of excavation, Our team will also conduct a paleontological search with the Museum of Paleontology at UC Berkeley. MIG anticipates that standard measures for the protection of recorded (i.e., known) and unrecorded (i.e., unknown) resources, such as stop work provisions, will be incorporated into the project as Best Management Practices or mitigation measures to render impacts on cultural/tribal cultural resources a less than significant impact. •Noise: The IS will describe the existing noise and vibration environment in the project vicinity and applicable City noise regulations, including General Plan policies related to noise. Our team will conduct up to two short-term noise measurements to characterize the noise environment at and in the vicinity of Red Morton Park. Our team will evaluate construction-related noise and vibration levels at sensitive receptor locations, as well as potential increases in noise levels along local roads that may be used for site ingress/egress and soil hauling (e.g., Roosevelt Avenue). The analysis will identify typical construction equipment sound levels, quantify peak and typical construction activity noise levels, and, if necessary, identify best management practices or mitigation measures consistent with that contained in the City’s plans, policies, or regulations (e.g., restricted work hours, truck routing or trip restrictions, sound walls) that will reduce the magnitude of potential construction noise impacts to less than significance. The proposed project may result in long-term operational noise from pumps and/or equipment necessary to clean and filter the storm water. Our team will evaluate the potential noise levels associated with this equipment. The team anticipates pumps and other operational equipment will not result in significant operational noise levels at sensitive residential or educational receptor locations so long as this equipment is enclosed in a building or other shelter. •Recreation: The IS will evaluate the proposed project’s temporary disruption to Red Morton Community Park athletic facilities. The analysis will consider where existing athletic practices, games, etc. will be temporarily relocated to and whether this relocation will result in the accelerated deterioration of existing parks or other recreation facilities. Given the temporary nature of the project, we anticipate this ATTY/AGR.2021/Amend No. 1/Craftwater Inc (Page 8 of 16)