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7A Page 33 residential uses, and the modest increase in residential density from infill development would not represent a significant increase in ambient noise levels from existing conditions. Temporary construction noise due to additional residential development on a parcel-specific basis could occur; however, any residential construction pursuant to the amended ordinance would be preceded by the issuance of a PO Permit and associated CEQA compliance, and would be required to comply with the noise provisions per Sec. 24 of the Redwood City Municipal Code. In addition, the following noise policy in the General Plan is applicable to the project: Land Uses within the Planning Boundary of San Carlos Airport shall be compatible with the Aircraft Noise/Land Use Compatibility Standards found at page 8 of the 1981 San Mateo County Airport Land Use Plan. The "Planning Boundaryn for the San Carlos Airport is considered the ground area encompassed by the combination of the line depicting the 55 CNEL Noise Contour, as shown on the Noise Contour Map at page 7 of the 1981 San Mateo County Airport Land Use Plan and the outer boundary of the Hazard Zoning Plan at page 11 of the 1981 San Mateo County Land Use Plan. (Policy N-5) The R-2 zoning district in the community of Redwood Shores is located within the San Carlos Airport Influence Area B. Area B, known as the C/CAG/ALUC Referral Boundary, is a geographic area within which affected local agencies must refer their proposed land use policy actions (e.g., general plan amendments, rezoning, precise plans) to the C/CAG Board and Airport Land Use Committee (ALUC). Since the proposed project is a code amendment representing clarification and codification of past practice to the zoning ordinance, it would require review by C/CAG and the ALUC for a determination of consistency with the adopted San Carlos Airport Comprehensive Land Use Plan (CLUP). In addition, new residential development within Area B would also require the dedication of aviation easements to the County of San Mateo per the requirements of AS 2776. These would include, but potentially no be limited to, detached single-family dwellings, and multiple family dwellings, including duplexes. Since this proposed project is a code amendment to the existing R-2 zoning district, aviation easements typically would not be required at the time of the rezoning, but a condition of the rezoning would require their dedication at the time of specific residential development within the affected R-2 parcels occurring within the San Carlos Airport AlA. All properties zoned R-2 in Redwood Shores have already been developed, however, and redevelopment of Redwood Shores R-2 properties is unlikely due to the nature of existing development. Redwood Shores R-2 properties are generally contemporary in design and, without exception, are individually owned units (condominiums, a limited equity ownership coop, and individually-owned detached homes). The logistics of having multiple individual owners makes redevelopment of any of these properties unlikely for the foreseeable future, compared to a property owned by a single owner such as an apartment complex that could be more easily redeveloped. No R-2 properties are within proximity to a private airstrip, so there would be no possibility of exposing people residing or working in the project area to excessive noise levels from a private airstrip. XII. POPULATION AND HOUSING- Would the project: II.. . f _ . . Less Than Significant With Mitigation II- II . t.' . ... Initial Study, R-2 Zoning District Code Amendment 127