RA-08-099, Independent Spent Fuel Storage Installation - Annual Report

Independent Spent Fuel Storage Installation - Annual Report

ML083030214
Person / Time
Site:	Oyster Creek
Issue date:	10/22/2008
From:	Rausch T AmerGen Energy Co
To:	Most D Office of Nuclear Material Safety and Safeguards, State of NJ
References
RA-08-099
Download: ML083030214 (24)

Text

AmeTGen Energy Company www.exeloncorp.com AmerGenM An Exelon Company Oyster Creek US Route 9 South, P.O. Box 388 Forked River, NJ 08731 October 22, 2008 RA-08-099 The Honorable David Most Mayor, Lacey Township 818 West Lacey Road Forked River, NJ 08731

Subject:

Oyster Creek Generating Station Independent SpentFuel Storage Installation Annual Report

Reference:

Building Permit; Appeal 93-40 (after remand)

The above referenced Building Permit requires the Oyster Creek Generating Station to submit routine monitoring reports to Lacey Township on an annual basis. Enclosed is the Temperature Monitoring and Radiation Survey data as required by Condition 10 of the Building Permit, and the number of spent fuel assemblies in dry storage as required by Condition 11 of the-Building Permit.

The status of Federal Govemmentrs plans to site a permanent spent fuel repository is also provided, as required by Condition 17 of the Building-Permit. This fulfills the reporting requirements for the year 2008.

If any further information or assistance is needed, please contact Richard Milos at 609-971-4973.

Sincerely, CotyS. Ru~sch Vice President Oyster Creek Generating Station Enclosure cc: USNRC Document Control Desk; Docket 72-15 Administrator, USNRC Region I USNRC Senior Project Manager, Oyster Creek USNRC Senior Resident Inspector, Oyster Creek File No. 08006

Enclosure Independent Spent Fuel Storage Installation (ISFSI) Buildina Permit Condition Ten:

"The applicant shall provide to the township on a yearly basis, written records revealing all temperature and radiation measurements. The applicant shall further advise of any and all repairs made to the concrete modules."

Oyster Creek Generating Station Reply to Condition Ten:

The temperatures of the loaded, concrete, Horizontal Storage Modules (HSMs) are monitored daily and are part of the station's surveillance records. The temperatures of the loaded HSMs can be up to 30 degrees higher than the unloaded HSMs depending on the heat load of the spent fuel loaded.

During the summer months, the highest concrete HSM temperatures were less than 120 degrees.

This is well within the design limits of the HSMs and represents an actual heat loading of about 7.5 KW.

The following graphs represent average monthly temperature data for the period from October 2007 to September 2008, for the HSMs we loaded in 2002 (# 1-4), the HSMs we loaded in 2003

(# 5-8), the HSMs we loaded in 2004 (# 9-11), and the HSMs we loaded in 2005 (# 12-16). HSMs

1. 17-18 remain empty and are at ambient temperatures.

The highest radiation measurements on the vertical face of the HSMs were 2 mr/hr gamma and

<0.1 mr/hr neutron. The highest gamma dose rate at the opening between the HSMs (bird screens) was 6.1 mrem/hr. These readings are well within the design limits of the HSMs. The roof of the HSMs is a posted radiation area and is not readily accessible. The highest radiation levels at the ISFSI security fence facing Route 9 was <0.2 mr/hr gamma and <0.1 mr/hr neutron.

Radiation survey data sheets are included following the temperature graphs.

We are currently installing the remaining two HSMs (#19-20), with a planned loading of four spent fuel canisters into HSMs #17-20 during 2010. This will complete the existing Independent Spent Fuel Storage Installation reviewed under the Building Permit, Appeal 93-40 (after remand).

There were no repairs to the concrete modules since the last report.

Independent SDent Fuel Storaae Installation Buildina Permit Condition Eleven:

"The applicant shall provide to the township on a yearly basis, the specific number of spent fuel rod assemblies which have been moved into the dry storage facility."

Oyster Creek Generatina Station Reply to Condition Eleven:

There were no fuel assemblies loaded into the ISFSI prior to 2002. During 2002, 244 fuel assemblies were transferred to the ISFSI. During 2003, 244 additional fuel assemblies were transferred to the ISFSI. During 2004, 183 additional fuel assemblies were transferred to the ISFSI. During 2005, 305 additional assemblies were transferred to the ISFSI. No fuel assemblies have been loaded into the ISFSI since 2005. The Oyster Creek ISFSI currently contains 976 fuel assemblies.

Independent Spent Fuel Storage Installation Buildina Permit Condition Seventeen:

"The applicant shall submit a report to the Township of Lacey no less than annually as to the status of the efforts of the Federal Government to site a permanent spent fuel repository."

Oyster Creek Generating Station Reply to Condition Seventeen:

The Department of Energy has submitted a license application for the Yucca Mountain Repository to the Nuclear Regulatory Commission on June 3, 2008. The best achievable schedule for operation is 2017.

HORIZONTAL STORAGE MODULE #1

,TEMPERATURE 120.0-100.0 u~a. 80.0-40 . -

20.0-0.0-Oct Nov- Dec,- Jan- Feb- Mar- Apr- May- Jun- Jul- Aug- Sep-07 07 07/ :;08 08 08 08 08 08 08 08 08 Month

HORIZONTAL STORAGE MODULE #2 TEMPERATURE 120.0 100.0 u.. 80.0 S60.0 o* 40.0 20.0 0.0 Oct Nov- Dec- Jan- Feb- Mar- Apr- May- Jun- Jul- Aug- Sep-07 07 07 08 08 08 .08 08 08 08 08 08 Month

HORIZONTAL STORAGE MODULE #3 TEMPERATURE 120.0-100.0-

u. 80.0-

.= 60.0-0 o40.0 20.0 0 .0 .. , , ** *, ,,

Oct Nov- Dec- Jan- Feb- Mar- Apr- May- Jun- Jul- Aug- Sep-07 07 i07

• i08 08 08 08 08 08 08 08 08 Month

HORIZONTAL STORAGE MODULE #4 TEMPERATURE 120.0 100.0

u. 80.0

.. 60.0 o 40.0 20.0 0.0 Oct Nov- Dec- Jan- Feb- Mar- Apr- May- Jun- Jul- Aug- Sep-07 07 07 08 08 08 08 08 08 08 08 08 Month

HORIZONTAL STORAGE MODULE #5 TEMPERATURE 120.0 100.0 U. 80.0 U) 4)

4) 60.0 I-0) 4, 40.0 20.0 0.0 Oct Nov- Dec- Jan- Feb- Mar- Apr- May- Jun- Jul- Aug- Sep-07 07 07 08 08 08 08 08 08 08 08 08 Month

HORIZONTAL STORAGE MODULE #6 TEMPERATURE 120.0-100.0 Ogel

,,-. 80.0-

,*60.0-S40.0 20.0 0.0 -,...,..

Oct Nov- Dec- Jan- Feb- Mar- Apr- May- Jun- Jul- Aug- Sep-07 07 07 08 08 08 08 08 08 08 08 08 Month

HORIZONTAL STORAGE MODULE #7 TEM PERATU RE 140.0-120.0-100.0-U-

80.0 d Q60.0 4O.

20.0 0.0 Oct Nov- Dec- Jan- Feb- Mar- Apr- May- Jun- Jul- Aug- Sep-07 07 07 08 08 08 08 08 08 081 08 08 Month

HORIZONTAL STORAGE MODULE #8 TEMPERATURE 140.0 120.0-100.0-

== 80.0 a)

Om 60.0-40.0-20.0-0.0-Oct Nov- Dec- Jan- Feb- Mar- Apr- May- Jun- Jut- Aug- Sep-07 07 07 08 08 08 08 08 08 08 08 08 Month

HORIZONTAL STORAGE MODULE #9 TEMPERATURE 120.0 100.0 U) 80.0 u.

L 60.0 o 40.0 20.0 0.0 Oct Nov- Dec- Jan- Feb- Mar- Apr- May- Jun- Jul- Aug- Sep-07 07 07 08 08 08 08 08 08 08 08 08 Month

HORIZONTAL STORAGE MODULE #10 TEMPERATURE 120.0 100.0 U) 80.0 U..

4) 60.0 I-40.0 20.0 0.0 Oct Nov- Dec- Jan- Feb- Mar- Apr- May- Jun- Jul- Aug- Sep-07 07 07 08 08 08 08 08 08 08 08 08 Month

HORIZONTAL STORAGE MODULE #11 TEMPERATURE 120.0 100.0 u.. 80.0 0 60.0 1.

40 ,-

20.0-0.0 -

Jul- Aug- Sep-Oct Nov- Dec- Jan- Feb- Mar- Apr- May- Jun-08 08 08 08 07 07 07 08 08 08 08 08 Month

HORIZONTAL STORAGE MODULE #12 TEMPERATURE 120.0 100.0

u. 80.0-0 0 60.0-a)

S40.0-20.0.-

0.0 Oct Nov- Dec- Jan- Feb- Mar- Apr- May- Jun- Jut- Aug- Sep-07 07 07 *08 08 08 08 08 08 08 08 08 Month

HORIZONTAL STORAGE MODULE #13 TEMPERATURE 120.0-"

100.0-

u. 80.0-I. 60.0 -

o40.0-20.0 -

0.0 Oct Nov- Dec- Jan-EFeb- Mar- Apr- May- Jun- Jul- Aug- Sep-07 07 07 08 08 08 08 08 08 08 08 08 Month

HORIZONTAL STORAGE MODULE #14 TEMPERATU RE 120.0-100.0-U. 80.0 01 0)

S40.0-20.0 Oct Nov- Dec- Jan- Feb- Mar- Apr- May- Jun- Jul- Aug- Sep-07 07 :07 08 08 08 08 08 08 08 08 08 Month

HORIZONTAL STORAGE MODULE #15 TEMPERATURE 120.0-100.0-

u. 80.0-060.0-o40.0-20.0-0.0-Oct Nov- Dec- Jan- Feb- Mar- Apr- May- Jun- Jul- Aug- Sep-07 07 07 08 08 08 08 08 08 08 08 08 Month

HORIZONTAL STORAGE MODULE #16 TEMPERATURE 120.0 100.0 U. 80.0 U) 060.0 o40.0 20.0 0.0 Oct Nov- Dec- Jan- Feb- Mar- Apr- May- Jun- Jul- Aug- Sep-07 07 07 08 08 08 08 08 08 08 08 08 Month

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Oyster Creek Generating Station Route 9 South 02 1A 0004395034 P.0. Box 388 MAILED FROM ZIP Forked River, NJ o8731 U. S. Nuclear Regulatory Commission &.C-.V-Attention: Document Control Desk Washington, D.C. 20555