Dominion's Joint Permit Application
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NARRATIVE JOINT PERMIT APPLICATION PROPOSED UNIT 3 NORTH ANNA POWER STATION Prepared for: Dominion Virginia Power 5000 Dominion Boulevard Glen Allen, Virginia 23060-3308 Prepared by: EA Engineering, Science, and Technology 15 Loveton Circle Sparks, Maryland 21152 July 2010 Dominion Virginia Power Proposed Unit 3 North Anna Power Station Mineral, Louisa County, Virginia Table of Contents 1.0 INTRODUCTION .................................................................................................. 1 2.0 JPA SECTION 1, PAGE 7 – PROJECT LOCATION INFORMATION .............. 4 3.0 JPA SECTION 3, PAGE 8 – DESCRIPTION OF THE PROJECT....................... 5 3.1 Project Description ............................................................................................. 5 3.1.1 Cooling Towers............................................................................................... 5 3.1.2 Water Intake Structure .................................................................................... 6 3.1.3 Site Separation Activities................................................................................ 7 3.1.3.1 Paint Shop ................................................................................................... 7 3.1.3.2 Parking Lots................................................................................................ 7 3.1.3.3 Bypass Road................................................................................................ 8 3.1.4 Stormwater Management Basins .................................................................... 8 3.1.5 Route 700 Parcels ......................................................................................... 10 3.1.6 3-Inch Increase in Surface Water at Lake Anna and WHTF ........................ 11 3.1.7 Large Component Transport Route .............................................................. 11 3.1.8 Transmission Line......................................................................................... 12 3.2 PRIMARY AND SECONDARY PURPOSES ................................................ 13 3.3 INTENDED USE.............................................................................................. 13 3.4 ALTERNATIVES CONSIDERED .................................................................. 13 3.4.1 Location of Cooling Towers ......................................................................... 15 3.4.2 Location of Stormwater Basin Associated With Cooling Towers................ 15 3.4.3 Breaching of Berm for Water Intake Structure............................................. 16 3.4.4 Site Separation Activities.............................................................................. 18 3.4.4.1 Parking Lots.............................................................................................. 18 3.4.4.2 Stormwater Basin...................................................................................... 18 3.4.5 Large Component Transport Route .............................................................. 19 3.4.5.1 Roll-Off Locations.................................................................................... 19 3.4.5.2 Transportation Routes............................................................................... 19 3.4.5.3 Rail Transportation ................................................................................... 20 3.4.6 Transmission Line......................................................................................... 20 3.4.7 Excess Spoil Placement Site ......................................................................... 21 3.4.7.1 Wetland and Stream Evaluation................................................................ 21 3.4.7.2 Operational and Land Acquisition Costs .................................................. 23 3.4.7.3 Rail Hauling Operations .......................................................................... 24 3.4.7.4 Transportation and Safety Analysis .......................................................... 25 3.4.7.5 Air Emissions............................................................................................ 26 3.4.8 Lake Elevation Alternatives.......................................................................... 27 3.4.9 No Action Alternative................................................................................... 28 4.0 JPA SECTION 4, PAGE 9 – PREVIOUS SITE VISITS AND/OR PERMITS... 29 5.0 JPA SECTION 7, PAGE 10 – THREATENED AND ENDANGERED SPECIES INFORMATION................................................................................................... 32 6.0 JPA SECTION 8, PAGE 11 – HISTORIC RESOURCES INFORMATION...... 35 7.0 JPA SECTION 9, PAGE 11 – WETLANDS, WATERS, AND DUNES/BEACHES IMPACT INFORMATION................................................. 39 8.0 JPA SECTION 22, PAGE 20 – ROAD CROSSINGS ......................................... 45 Joint Permit Application - Narrative July 2010 i Dominion Virginia Power Proposed Unit 3 North Anna Power Station Mineral, Louisa County, Virginia 9.0 JPA SECTION 24, PAGE 21 – IMPOUNDMENTS, DAMS, AND STORMWATER MANAGEMENT FACILITIES .............................................. 46 10.0 JPA SECTION 25, PAGE 22 – OUTFALLS NOT ASSOCIATED WITH PROPOSED WATER WITHDRAWAL ACTIVITIES....................................... 48 11.0 REFERENCES ..................................................................................................... 49 LIST OF TABLES Table 1. Estimated Storage Volume for the Eleven Stormwater Management Basins ..... 9 Table 2. Summary of Estimated Cost for Each Site ........................................................ 25 Table 3. Emission Estimates............................................................................................ 27 Table 4. Previous Site Visits and/or Permits ................................................................... 29 Table 5. Summary of Permanent and Temporary Wetland and Stream Impacts............. 40 Table 6. Permanent and Temporary Wetland and Stream Impact Details....................... 42 Table 7. Detailed Information on Stormwater Management Basins................................ 47 Table 8. Detailed Information on Outfalls Associated with the Eleven Stormwater Management Basins........................................................................................... 48 Joint Permit Application - Narrative July 2010 ii Dominion Virginia Power Proposed Unit 3 North Anna Power Station Mineral, Louisa County, Virginia NARRATIVE JOINT PERMIT APPLICATION PROPOSED UNIT 3 NORTH ANNA POWER STATION 1.0 INTRODUCTION Virginia Electric and Power Company, doing business as Dominion Virginia Power (Dominion), operates the existing nuclear units on the North Anna Power Station (NAPS) site. NAPS is an existing nuclear power station with the capacity to generate 980 megawatts of electricity from Unit 1 and 973 megawatts of electricity from Unit 2. Unit 1 began commercial operation in June 1978 and Unit 2 followed in December 1980. The NAPS site was originally planned for four nuclear units, and construction was started under Nuclear Regulatory Commission (NRC) authorization; however, Units 3 and 4 were cancelled before construction was completed. A portion of proposed Unit 3 will occupy the footprint of the original Units 3 and 4. NAPS is located in Louisa County, near the town of Mineral, on a peninsula on the southern shore of Lake Anna, approximately 5 miles upstream of the Lake Anna Dam (Figure 1). The North Anna River was dammed to form the 9,600-acre Lake Anna and the 3,400-acre Waste Heat Treatment Facility (WHTF). Lake Anna is approximately 17 miles long with 272 +/- miles of shoreline (Figure 1). Dominion proposes to construct a new nuclear unit (Unit 3) at the NAPS site to provide additional baseload electric service to meet growing demand (see Section 3.2 for information on primary and secondary purposes). An Early Site Permit (ESP) from the NRC was received in November 2007 indicating that the site is suitable for new nuclear generation. This Joint Permit Application (JPA) relates to wetland impacts associated with construction of Unit 3. In support of this project, Dominion submitted an ESP Environmental Report (ER) and Combined License Application (COLA) ER. NRC has completed a Final Supplemental Environmental Impact Statement (SEIS) issued in February 2010 (see Section 11.0 for references to these documents). The proposed Unit 3 will be a U.S. Advanced Pressurized Water Reactor (US-APWR). The ancillary components of proposed Unit 3 which will be addressed in a permit from the U.S. Army Corps of Engineers (USACE) (Proposed Project) are the cooling towers, stormwater management facilities, Site Separation Activities (i.e., construction of parking lots, bypass road, and new facilities to replace the existing paint shop, vehicle maintenance shop, workshops, hazardous waste storage facility, communications tower, and sally port/security building), excavated spoils and construction laydown areas, raising the lake elevation by three inches, breaching of an existing berm at the water intake structure, and a large component transport route (LCTR). A detailed description of the Proposed Project is provided in Section 3.0 of this Narrative. Dominion submitted a federal Coastal Zone Management Act consistency certification to the Virginia Department of Environmental Quality (VDEQ) on March 21, 2005 in Joint Permit Application - Narrative July 2010 1 Dominion Virginia Power Proposed Unit 3 North Anna Power Station Mineral,