ML20078C203

Requests Cancellation of CPPR-167,CPPR-168 & CPPR-169 Based on Current & Predicated Economic Conditions.Stabilization Plan Encl

ML20078C203
Person / Time
Site:	Cherokee
Issue date:	09/21/1983
From:	Dail L DUKE POWER CO.
To:	Harold Denton Office of Nuclear Reactor Regulation
Shared Package
ML20078C206	List: ML20078C203
References
NUDOCS 8309270473
Download: ML20078C203 (11)

Text

DUKE POWER COMPANY ELECTitIC CENTElt, IIOX 33180. CII Alt! OTFE. N. C. 28242 oJ " h ".b September 21, 1983 Harold R. Denton, Director Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Washington, DC 20555 Re: Cherokee Nuclear Station Docket No. 50-491 Files: P81-1412.06, CK-1472.00 On April 29, 1983 Duke Power Company's Board of Directors announced cancell-ation of Cherokee Unit 1. Cherokee Units 2 and 3 were cancelled on November 2, 1982. Load forecasts based on current and predicted economic conditions indicated thct Unit 1 would not be needed until 1995. To stretch construction out to that date would increase the total cost of the unit appreciably due to accumulating interest charges.

The Board of Directors' reassessment of Cherokee Unit 1 led to the following conclusions which necessitate cancellation:

1. Unit l's generating capacity can probably be provided more economically by other types of generation.

2. Duke's existi' coal and nuclear units will probably cover baseload requirements , the balance of this century.

I We hereby tender to you Construction Permit numbers CPPR-167, CPPR-168, and CPDR-169 for Cherokee Units 1, 2, and 3. We request that you delete these dockets.

We have enclosed six (6) copies of Duke Power Company's stabilization plan for the Cherokee site.

Very truly yours, ,

L. C. Dail, Vice President Design Engineering Department JHM/pam 8309270473 830921 PDR ADOCK 05000491 l A PDR

Harold R. Denton Page 2 September 21, 1983 Enclosure

, cc: Darrell G. Eisenhut Charles Barth, Esq.

j Division of Licensing USNRC a

USNRC Washington, DC 20555 Washington, DC 20555 Atomic Safety & Licensing Dr. John H. Buck Appeal Panel

! Atomic Safety & Licensing USNRC Appeal Panel Washington, DC 20555

USNRC Washington, DC 20555 Atomic Safety & Licensing Board Panel j Dr. Donald P. DeSylva USNRC School of Marine and Atmospheric Washington, DC 20555 Science

! University of Miami Office of the Secretary Miami, FL 33149 USNRC Washington, DC 20555 Dr. Walter H. Jordan

881 West Outer Drive Ronald L. Ballard j

Oak Ridge, TN 37830 Environmental Engineering Branch USNRC Annette L. Vietti Washington, DC 20555 USNRC Washington, DC 20555 4

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T DUKE POWER COMPANY Cancellation of The Cherokee Nuclear Station August 1983

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TABLE OF CONTENTS PAGE NO.

1.0 INTRODUCTION

1.1 Project Background 1 1.2 Scope of Plan 1 1.3 Limitations of Plan 1 2.0 SITE STABILIZATION PLAN 2.1 State of Completion at Cancellation 2 2.2 Existing Site Conditions 3 2.2.1 Excavations 3 2.2.2 Storage Facilities 4 2.2.3 Dams / Ponds 4 2.2.4 Plant Physical Facilities 4 2.2.5 Transmission Corridors 5 2.2.6 Transportation Facilities 5 2.3 Site Stabilization Activities 2.3.1 Excavations 5 2.3.2 Storage Facilities 6 2.3.3 Dams / Ponds 6 2.3.4 Plant Physical Facilities 6 2.3.5 Transmission Corridors 7 2.3.6 Transportation Facilities 7

1 Cancellation o'7 The Cherokee Nuclear Station

1.0 INTRODUCTION

1.1 PROJECT BACKGROUND The Cherokee Nuclear Station site is located near Gaffney in north central South Carolina, approximately 40 miles southwest of Charlotte, N.C., and 21 miles east of Spartanburg, S.C. Duke Power Company announced plans for the three unit Cherokee Nuclear Station on February 26, 1974. After receiv-ing limited work authorization from the Nuclear Regulatory Commission, on May 28, 1976, Duke broke ground on July 1, 1976. The Construction Pe mits were granted December 30, 1977, and the first concrete pour was made on February 16, 1978.

After several delays in the construction schedule, the Cherokee Nuclear Sta-tion was formally cancelled by decision of the Board of Directors on April 29, 1983. Units 2 & 3 were previously cancelled in 1982.

1.2 SCOPE OF PLAN This plan outlines the existing condition of the Cherokee site and the activities necessary to stabilize the site with respect to erosive forces and unauthorized access. It should not be construed as a plan to restore the site to preconstruc-tion conditions. The plan provides for stabilization of the site for the short-term and control of unauthorized access and prevention of unauthorized use.

The plan will remain in effect until the most appropriate long-term use of the site is determined, at which time it will be incorporated into that use.

1.3 LIMITATIONS OF PLAN l At present many activities associated with original construction and licensing

. 2 of the Cherokee Nuclear Station are being conducted under several permits issued by State and Federal regulatory agencies. In conjunction with plant cancellation, Duke is now in the process of reviewing the need for these perm-its and whether action to modify, renew, or cancel will be necessary.

Although detailed descriptions of these activities are not addressed herein, examples of the permits within this category include the following:

NPOES Permit issued by S.C. Department of Health and Environmental Control (SC-DHEC).

Section 404 Permit issued by Corps of Engineers.

Section 10 Permit issued by S. C. Water Resources Commission.

Air Quality Permit issued by SCDHEC.

FAR-Part 77 Permit issued by Federal Aviation Administration.

Site monitoring under Duke's Control Program to Limit Adverse Environmental Ef-fects During Construction is also under review. Commitments agreed upon with the Nuclear Regulatory Commission and the Environmental Protection Agency under this program will be modified as necessary to provide a complete stabilization of all site facilities.

2.0 SITE STABILIZATION PLAN 2.1 STATE OF COMPLETION AT CANCELLATION Construction activities for Unit 1, including facilities considered common

to all three units, were 17.8 percent complete just prior to the cancellation of Units 2 and 3. Except for the partially completed powerhouse excavt

ions, I

progress on Units 2 and 3 was essentially zero. The following listing indicates the approximate percentage of structural concrete work completed for the majcr structures for Unit 1 and for common facilities. ,;

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3 Structure Unit 1 Common Reactor Building 53%

Auxiliary Building 24%

Turbine Building 73%

Condenser Cooling Water Pump Structure 95%

Service Building 51%

Nuclear Service Water Pump Structures 100%

Makeup Intake Structure 100%

Nuclear Service Water Cooling Towers 64%

Nuclear Service Water Spillway 100%

Nuclear Service Water Cable Tunnels 86%

Yard Valve Structures 2%

• Facilities considered common to all three units before cancellation of Units 2 & 3.

Some equipment has been installed in the plant buildings. This equipment will be removed at Duke's option. Also, buried piping and electrical conduits and trenches, either permanent or temporary, will have ends sealed and be left in place, unless they can be economically salvaged.

2.2 EXISTING SITE CONDITIONS 2.2.1 EXCAVATIONS Approximately one-half of the land surface of the total 2200 acre plant site is comprised of graded yards or building site excavations, borrow areas, spoil areas, and earth embankments where the original terrain was physically nodified in vary-ing degrees during plant construction operations in the period 1976 to 1980.

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2.2.2 STORAGE FACILITIES

! Approximately 200 acres of the'siteiis currently being used as open stor-age areas for construction materials. These storage areas generally have been surfaced with gravel. Additionally, two - 200' x 400' and two - 200' x 200' warehouses are used for material and equipment storage. All are equipped with operational fire protection systems. The two larger warehouses are fully heat-ed, and one is also partially cooled.

2.2.3 DAftS/ PONDS Ponds impounded by dams cover approximately 300 acres of the site. Additionally, runoff and groundwater has created ponds in several major excavations. All of the pernianent water-retaining earth structures are essentially complete.

2.2.4 PLANT PHYSICAL FACILITIES i The Cherokee site facilities include several partially completed permanent ware-I houses, and many other temporary construction buildings and facilities already I

in place and useable. All construction buildings are serviced with utilities.

I Six wells of drinking water quality, two temporary electrical substations, approximately 700 acres of graded and graveled parking and storage areas, a permanent fire protection main, and a package sewage treatment system are a-mong the functional on-site facilities.

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5 The CCW Cooling Tower yards are graded and graveled and most of the large diameter underground cooling water pipe located between the tower yards and the turbine buildings is installed.

A permanent aerated lagoon sewage treatment system is partially completed.

Some permanent underground storm drainage piping, primarily in the Unit 1 yard area, is in place.

2.2.5 TRANSMISSION CORRIDORS Transmission corridors associated with the planned high-voltage transmission lines from plant switch yards are sufficiently cleared to accommodate con-struction of tower structures from the system to the site.

2.2.6 TRANSPORTATION FACILITIES A newly constructed railroad spur provides rail access to the site. A recently improved paved state highway provides good vehicle access from the major interstate highway, I-85, at Gaffney. Numerous ungraveled, graveled and paved roads provide additional access to areas within the site.

2.3 SITE STABILIZATION ACTIVITIES 2.3.1 EXCAVATIONS j Backfill will be placed in any unstable excavated areas as required and addition-l al grading will be performed to provide drainage for ponded areas if their exist-ence is considered an environmental problem. Grass cover will be established in all areas except gravel surfaced areas, concrete slabs, and buildings. Areas ,

excavated to rock are considered stable and will not require further treatment.

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. 6 2.3.2 STORAGE FACILITIES Materials presently located in the open storage areas will be removed from the site as storage is no longer required. These areas are presently graveled and will remain so since no further stabilization is necessary. Warehouses will be treated as detailed in section 2.3.4.

2.3.3 DAMS / PONDS The slopes of all permanent water retaining earth structures have been provided

with erosion protection and will require no further stabilization.

i Holding ponds will be retained and used to collect and treat runoff for the duration of site stabilization. NPDES permit limitations for the various dis-charge points will remain in effect during this period and will govern all discharges from the site. As required, pumping may continue to be used to maintain desirable levels in the ponds. A decision as to the future status i~

of all ponds and associated dams will be made at the conclusion of site stabilization activities consistent with future use of the site.

, 2.3.4 PLANT PHYSICAL FACILITIES Current plans are to remove all temporary construction buildings from the site f

within approximately five years unless a continued need for on-site materials storage is identified or alternate on-site uses for the structures are estab-lished. Concrete slabs that remain after removal of the buildings will be left in place.

4 Partially completed permanent plant structures will be left in place in essen-tially their present conditions. At this time, Duke's only plans with 4

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2.3.5 TRANSMISSION CORRIDORS Transmission corridors presently have grass cover and other natural growth and will require no further stabilization.

2.3.6 TRANSPORTATION FACILITIES The access railroad will be maintained in a serviceable condition with fills and cut slopes stabilized. Parking areas and roadways that are presently gravelled will require no additional stabilization. Ungravelled roadways which are deemed necessary for site access will be maintained in a stable condition. All other roads will be graded for proper drainage and seeded with grass and closed to prevent unauthorized use.