AgdaPkt 2019-02-11 Joint SA PFA - Laserfiche WebLink

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City of Redwood City February 11, 2019 Page 5 • Policy PS -2.4: avoid placing sensitive uses within 500 feet or other distance deemed to be appropriate based on project specific health risk assessment data -of the Port of Redwood City, related to heavy industrial areas, and any roadways serving Port Uses. Virtually every area of the site is either within 500 feet of US HWY 101, a roadway serving Port Uses or a heavy industrial use. Further, the DEIR suggests mitigations that while appropriate for indoor uses, fail to adequately mitigate air quality issues associated with the outdoor uses required in day care facilities (75 sf of outdoor area per child per California State Regulation 101238.2) and recreational uses which are considered sensitive due to the greater exposure to ambient air quality conditions because the vigorous exercise associated with some forms of recreation places a high demand on the human respiratory system. (DEIR page 4.1-10). In addition, the Project site is under a Voluntary Cleanup Agreement (VCA) between Harbor View and the California Environmental Protection Agency (Cal/EPA) Department of Toxic Substances Control (DTSC) and a Draft Removal Action Workplan (RAW) dated December 7, 2019 (Path Forward 2018), is pending approval from the DTSC. As specified in the Draft RAW, the Site owner will work with DTSC to develop a recorded Land Use Covenant (LUC) for the Site. This LUC, requested by the DTSC due to the subsurface contaminants, will prohibit certain uses including residential, a first floor day care for children and a public or private school for persons under 18 years of age. For these reasons, both childcare and play fields are not considered appropriate uses at the site. For your reference, we are providing under separate cover a letter from Path Forward, the environmental consultant working with the DTSC on this matter, which further describes the RAW and VCA and addresses the adverse impacts to sensitive receptors. 4.8 Hydrology and Water Quality — Sea Level Rise Given the location of the Project site, sea level rise is a major concern that needs to be addressed. Harbor View has been designed to be self -mitigating for sea level rise with the lowest floor of structures at the site being raised to 14 feet above mean seal level (msl). This increase takes into consideration FEMA requirements to be above the 100 -year special flood plain zone (eg 10 feet . above msl), City of Redwood City recommendations to increase the elevation by 1 foot above FEMA requirements (eg 11 ft above msl) and an additional 3 feet to account for 3/4 century sea level rise per Bay Conservation and Development Commission (BCDC) guidelines. Therefore with the proposed grading and finished floor elevations which would increase elevations above flood hazard levels in accordance with the minimum standards of Municipal Code requirements and accommodating future sea -level rise increases, the DEIR concludes that the Project would have less than significant impacts on both a Project and cumulative basis. 4.11.7 Jobs/Housing Balance The DEIR concluded that the housing units anticipated to be added in the future would more than offset the additional housing demand generated by the Project. Impact POP- LCU concludes that