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City of Santa Ana <br />On -Call Environmental Review Services for Housing Division <br />research of the site will be conducted and existing technical studies and environmental documentation <br />will be consulted. NEPA documentation could include CEs or EAs. Scopes for Environmental Impact <br />Statements (EISs) are not included below because the type of projects we have worked under the <br />current and previous on -call have included affordable housing development and capital improvement <br />projects which have not resulted in significant impacts (based on federal criteria) that cannot be <br />avoided. However, Rincon can provide a scope and cost for an EIS, as required for a specific project. <br />In addition, Rincon will conduct Section.106 consultations and historic compliance review. For current <br />projects under our on -call, we have not submitted projects through the U.S. Department of Housing and <br />Urban Development (HUD) online portal, the HUD Environmental Review Online System (HERDS). <br />However, our team has been trained to use the HEROS platform and will be able to execute this task as a <br />Partner User for City staff when necessary. <br />Exemption or Categorical Exclusion Not Subject to Section 58.5 <br />Activities that, by their nature, do not cause changes in the physical environment are exempt under 24 <br />CFR 58.34 or excluded under 24 CFR 58.35(b). For these projects, a Notice of Exemption or a Categorical <br />Exclusion Not Subject To (CENST) Section 58.5 will be prepared. This includes completion of the 24 CFR <br />58.6 Compliance Documentation Checklist, which addresses flood protection, the Coastal Barrier <br />Resources Act, and runway clear zones. <br />Categorical Exclusion Subject to Section 58.5 <br />Activities that are not exempt or excluded per 24 CFR 58.35(b) are checked against the criteria in 24 CFR <br />58.35(a) to determine whether they are categorically excluded subject to (CEST) Section 58.5 or whether <br />an EA or EIS may be required. NEPA CESTs are available under 24 CFR 58.35(b) for those actions that <br />either do not create any changes in the physical environment, or make minor modifications associated <br />with continued use of the property for the current land use designation. Generally, the content of a <br />CEST is as follows. <br />HUD's Statutory Worksheet, which covers issues addressed in 24 CFR 58.5 (issues addressed include <br />historic preservation, floodplain management, wetland protection, coastal zone management, sole <br />source aquifers, endangered species, wild and scenic rivers, the Clean Air Act, the Farmland <br />Protection Policy Act, environmental justice, noise abatement, explosive and flammable operations, <br />hazardous materials, and airport clear zones) <br />24 CFR 58.6 Compliance Documentation Checklist, which addresses flood protection, the Coastal <br />Barrier Resources Act, and runway clear zones <br />Data sources used for CESTs will be field reviews, topographic maps, available land use maps, flood zone <br />maps, coastal zone maps, airport hazards maps, and available information regarding the presence of <br />sensitive habitats and/or species. Much of this information is available from online databases <br />maintained by U.S. Environmental Protection Agency and other federal and State agencies. Noise <br />assessments will be performed where necessary, utilizing HUD methodologies and the HUD Day/Night <br />Noise Level Electronic Assessment Tool (an online noise calculation tool). Historical review of the <br />properties will be based on the specific methodologies described below for compliance with Section 106 <br />of the National Historic Preservation Act of 1966. Air quality analyses will be based on the type of <br />activity and whether quantification is necessary. Rincon will prepare the CEST in HEROS directly as a <br />Partner Userfor City staffs review, and will submit the final environmental review in HERDS after <br />revising per staff comments. <br />