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ARROYO LAGO RESIDENTIAL PROJECT ADDENDUM 146 FCS Https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480036/Addendum/21480036 Arroyo Lago Residential Project Addendum.docx and apartments) in addition to religious facilities, schools, daycare facilities, and other community facilities. The proposed project would also include pre-zoning of the project site to PUD-MDR to be consistent with the proposed project’s density and General Plan land use designation. The purpose of the PUD district, as stated in the Municipal Code, is to ensure that the goals and objectives of the City's General Plan are promoted without discouraging innovation by application of restrictive developmental standards. The proposed project would be designed in accordance with the City General Plan and Zoning Ordinance and would be consistent with the development standards and allowed uses of the MDR designation and the PUD-MDR zone. Consistent with the impact conclusion of the Prior FEIR, the proposed project would not conflict with any land use plan, policy, or regulation adopted for the purpose of avoiding or mitigating an environmental effect. The proposed project would comply with applicable provisions of the CBC and General Plan policies designed to protect the environment. Additionally, please refer to Appendix C for a consistency analysis of applicable policies from the General Plan. The City has also established noise land use compatibility standards for new land use development. For new single-family residential development, the City’s “normally acceptable” standard is 60 A- weighted decibel (dBA) Ldn for exterior noise in private or shared outdoor use areas excluding front yards. This means that the specified land use would be considered satisfactory for that noise environment, based upon the assumption that any buildings involved are of normal conventional construction, without any special insulation requirements. As noted in the noise analysis prepared for this project, the measured existing ambient noise levels are 59 dBA CNEL next to roadway segments adjacent to the project site.39 Furthermore, the project site is located well outside the 55, 60, and 65 dBA CNEL noise contours shown in the ALUCP. Therefore, the existing ambient noise environment meets the City’s “normally acceptable” standard noise land use compatibility standard of 60 dBA Ldn for single-family residential development as measured at any point on the project site and no additional noise insulation would be required beyond compliance with standard CBC requirements to meet the interior noise standard of 45 dBA Ldn. As such, consistent with the conclusion in the Prior FEIR, impacts would be less than significant. Therefore, the proposed project would not introduce new significant impacts or create substantially more severe significant impacts than those previously identified in the Prior FEIR. No additional analysis is required. Zone 7 Stormwater Option The Zone 7 Stormwater Option would not result in any new or more severe land use impacts because it would not change approved land uses, land use designations, or zoning, nor introduce new development or intensify existing uses, and was considered in the Prior FEIR. Discharging treated stormwater to land east of El Charro Road would not physically divide an established community or 39 CNEL is the Community Noise Equivalent Level, which is a weighted average that applies a 5 dBA penalty to noise between 7:00 p.m. and 10:00 p.m. and a 10 dBA penalty between 10:00 p.m. and 7:00 a.m. Ldn is the day/night equivalent noise level average that only applies a 10 dBA penalty to noise between 10:00 p.m. and 7:00 a.m. CNEL and Ldn are within one dBA of each other and are normally interchangeable.