Document: NRC Regulatory Guide
Document ID: 01fb3132-b05a-41a0-ab81-466a6fb6f4d3
Document Type: regulatory_guide
Title: Preparation of Environmental Reports for Nuclear Power Plant License Renewal Applications (Rev. 1)
Source: NRC Regulatory Guide Division 4
Source URL: https://www.nrc.gov/docs/ML0916/ML091620409.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-4.2S1
CFR Part: 
CFR Title: 

Content:
e renewal. As described in 10 CFR 51.53(c)(2), the ER must contain the following: [A] description of the proposed action, including the applicant’s plans to modify the facility or its administrative control procedures as described in accordance with § 54.21 of this chapter. This report must describe in detail the affected environment around the plant, the modifications directly affecting the environment or any plant effluents, and any planned refurbishment activities. In addition, the applicant shall discuss in this report the environmental impacts of alternatives and any other matters discussed in § 51.45. DG-4015, Page 10 2.2 General Plant Information The ER should briefly describe the major features of the nuclear plant and the operation and maintenance practices directly related to plant operations under license renewal. Information presented in this section should describe the following: Reactor and Containment Systems The ER should briefly describe the plant, including the reactor, reactor core power, fuel, percent uranium-235 enrichment, irradiation level, refueling cycle, containment system, design net electrical output, and the vendor of the nuclear steam supply system. Cooling and Auxiliary Water Systems The ER should describe the cooling and auxiliary water systems in the order that water flows through them, including approach, intake structure, trash racks, screens (including mesh sizes), screen wash, and fish return or collection systems and provide appropriate figures or maps to illustrate the system pathway. This description should include the rates of water withdrawal, the flow rates or volume of the water body from which cooling water is withdrawn, the location of water withdrawal, and intake velocity at the screens. The ER should also describe in detail any structural or operational measures, such as the schedule of traveling screen operation or planned outages, used to reduce impingement of fish and shellfish. This description should include a