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{{#Wiki_filter:T-02                                                                                                     PASSPORT DOCUMENT To                 NRC DOC CONTROL DESK         COPY #383 Facility          PI         Department                                                               TRANSMITTAL Address            ONE WHITE FLINT NORTH il~Hg  I lll    llllail N 11555 ROCKVILLE PIKE ROCKVILLE, MD 20852-2738                                                             Page:
{{#Wiki_filter:T-02 To Facility Address NRC DOC CONTROL DESK COPY #383 PI Department ONE WHITE FLINT NORTH 11555 ROCKVILLE PIKE ROCKVILLE, MD 20852-2738 PASSPORT DOCUMENT TRANSMITTAL Page:il~
                                                                                                                    ~ ~lnmiliI From               C-DOC CNTRL-PI       Attention:
Hg
Address         :  1717 WAKONADE DR EAST City               WELCH                        State: MN Postal Code:  55089 Country           UNITED STATES Email Contact Date/Time         08/28/2013   0'5:48   Transmittal Group Id:     0000025413 Trans No.          000225895            Title:
~ I
Total Items:      00001 Item Facility Type Sub   Document Number                           Sheet     Doc Status Revision Doc Date     Copy #   Media Cpys 0001   PI     LIC   BASE ISFSI BASES                                         ISSUED     009                     383   HC       01 If   a document was not received or is no longer required check the response below and return to sender.
~lnmiliI lll lll Nl l ail From C-DOC CNTRL-PI Attention:
Address 1717 WAKONADE DR EAST City Country Email Contact Date/Time Trans No.
Total Items:
WELCH UNITED STATES 08/28/2013 0'
000225895 00001 State: MN Postal Code:
55089 5:48 Transmittal Group Id:
 
==Title:==
0000025413 Item Facility Type Sub Document Number Sheet Doc Status Revision Doc Date Copy #
Media Cpys 0001 PI LIC BASE ISFSI BASES ISSUED 009 383 HC 01 If a document was not received or is no longer required check the response below and return to sender.
Documents noted above not received (identify those not received).
Documents noted above not received (identify those not received).
I no longer require distribution of these documents (identify those no longer required).
I no longer require distribution of these documents (identify those no longer required).
Date:                                     Signature:
Date:
Signature:


ISFSI BASES UPDATING INSTRUCTIONS Revision 9 ISFSI BASES REMOVE Paqe               Revision       Document Type B RoR-1             12/10/12           Record of Revision A                   12/10/12       Current Page List Page               Revision       Section/Chapter B 3.1.5-1           7                     B 3.1
ISFSI BASES UPDATING INSTRUCTIONS Revision 9 ISFSI BASES REMOVE Paqe Revision Document Type B RoR-1 12/10/12 Record of Revision A
_ _    _  _  I   _   __  i   __
12/10/12 Current Page List Page Revision Section/Chapter B 3.1.5-1 7
t            *1-I             +
B 3.1
Prairie Island Units 1 and 2                         ISFSI-B-1 8/27/13
_ I _
i t
*1-I  
+
Prairie Island Units 1 and 2 ISFSI-B-1 8/27/13


PRAIRIE ISLAND NUCLEAR GENERATING PLANT INDEPENDENT SPENT FUEL STORAGE INSTALLATION RECORD OF REVISION BASES CHANGES AND LICENSE AMENDMENTS NSPM       Date of       License Revision       Issue   Amendment No.                 Remarks (REV) No.
PRAIRIE ISLAND NUCLEAR GENERATING PLANT INDEPENDENT SPENT FUEL STORAGE INSTALLATION RECORD OF REVISION BASES CHANGES AND LICENSE AMENDMENTS NSPM Date of License Revision Issue Amendment No.
I thrnn h ý 5
Remarks (REV) No.
Or;o nnl Rt
I thrnn h ý Or;o nnl Rt
* xunrp     AT nrt nf     hnoinl Specifications 7       8/20/2010         7     Initial Issue of revised format and Inclusion of TN-40HT design.
* xunrp nrt nf AT hnoinl 5
8      12/12/2012              Clarify "helium environment" requirement in ISFSI SR 3.1.2.1.
7 8
9        8/27/13                Revise B 3.1.5 paraphrase of regulatory requirements.
9 8/20/2010 12/12/2012 7
Prairie Island ISFSI                           B RoR-                                 8 /27/13
Specifications Initial Issue of revised format and Inclusion of TN-40HT design.
Clarify "helium environment" requirement in ISFSI SR 3.1.2.1.
Revise B 3.1.5 paraphrase of regulatory requirements.
8/27/13 Prairie Island ISFSI B RoR-88/27/13


BASES CURRENT PAGES PAGE       DATE               PAGE REVISION No.
BASES CURRENT PAGES PAGE DATE B RoR-1 8/27/13 A
B RoR- 1         8/27/13     B 3.1.3-1        7 A                 8/27/13     B 3.1.3-2        7 i                 8/20/10     B 3.1.3-3        7 B 3.1.3-4        7 B 3.1.4-1         7 B 3.1.4-2         7 B 3.1.4-3         7 B 3.1.5-1        9 PAGE    REVISION No.
8/27/13 i
B 3.1.5-2        7 B 2.0-1              7       B 3.1.5-3        7 B 2.0-2              7       B 3.1.5-4        7 B 3.0-1              7       B 3.1.5-5        7 B 3.0-2             7       B 3.1.6-1        7 B 3.0-3              7       B 3.1.6-2         7 B 3.0-4              7       B 3.1.6-3        7 B 3.0-5             7       B 3.2.1-1         7 B 3.0-6              7       B 3.2.1-2        7 B 3.0-7             7        B 3.2.1-3        7 B 3.0-8              7       B 3.2.2-1        7 B 3.0-9             7        B 3.2.2-2         7 B 3.0-10            7       B 3.2.2-3        7 B 3.0-11            7       B 3.3.1-1        7 B 3.1.1-1            7       B 3.3.1-2        7 B 3.1.1-2           7       B 3.3.1-3         7 B 3.1.1-3            7       B 3.3.1-4        7 B 3.1.2-1            7       B 3.4.1-1         7 B 3.1.2-2           7       B 3.4.1-2        7 B 3.1.2-3            7       B 3.4.1-3        7 B 3.1.2-4            8 B 3.1.2-5            7 Prairie Island ISFSI                       A                   8/27/13
8/20/10 PAGE REVISION No.
B 2.0-1 7
B 2.0-2 7
B 3.0-1 7
B 3.0-2 7
B 3.0-3 7
B 3.0-4 7
B 3.0-5 7
B 3.0-6 7
B 3.0-7 7
B 3.0-8 7
B 3.0-9 7
B 3.0-10 7
B 3.0-11 7
B 3.1.1-1 7
B 3.1.1-2 7
B 3.1.1-3 7
B 3.1.2-1 7
B 3.1.2-2 7
B 3.1.2-3 7
B 3.1.2-4 8
B 3.1.2-5 7
PAGE REVISION No.
B 3.1.3-1 7
B 3.1.3-2 7
B 3.1.3-3 7
B 3.1.3-4 7
B 3.1.4-1 7
B 3.1.4-2 7
B 3.1.4-3 7
B 3.1.5-1 9
B 3.1.5-2 7
B 3.1.5-3 7
B 3.1.5-4 7
B 3.1.5-5 7
B 3.1.6-1 7
B 3.1.6-2 7
B 3.1.6-3 7
B 3.2.1-1 7
B 3.2.1-2 7
B 3.2.1-3 7
B 3.2.2-1 7
B 3.2.2-2 7
B 3.2.2-3 7
B 3.3.1-1 7
B 3.3.1-2 7
B 3.3.1-3 7
B 3.3.1-4 7
B 3.4.1-1 7
B 3.4.1-2 7
B 3.4.1-3 7
Prairie Island ISFSI A
8/27/13


Cask Interseal Pressure B 3.1.5 B 3.1     CASK INTEGRITY B 3.1.5     Cask Interseal Pressure BASES BACKGROUND           A cask is loaded, dried, and sealed prior to being transported to the ISFSI and placed on a storage pad. The cask is designed with redundant seals to contain the radioactive material. In addition, 10 CFR 72.122(h)(4) requires that confinement systems have the capability of being monitored. The monitoring systems provide:
Cask Interseal Pressure B 3.1.5 B 3.1 CASK INTEGRITY B 3.1.5 Cask Interseal Pressure BASES BACKGROUND A cask is loaded, dried, and sealed prior to being transported to the ISFSI and placed on a storage pad. The cask is designed with redundant seals to contain the radioactive material. In addition, 10 CFR 72.122(h)(4) requires that confinement systems have the capability of being monitored. The monitoring systems provide:
: a. the capability to monitor interseal pressure that will indicate if cask seal integrity is compromised; and
: a. the capability to monitor interseal pressure that will indicate if cask seal integrity is compromised; and
: b. local alarms to indicate that potential seal degradation has occurred.
: b. local alarms to indicate that potential seal degradation has occurred.
It is necessary to verify cask seal integrity at regular intervals to ensure the cask's interseal containment boundary is being maintained and to verify there is no seal leakage to the environment.
It is necessary to verify cask seal integrity at regular intervals to ensure the cask's interseal containment boundary is being maintained and to verify there is no seal leakage to the environment.
APPLICABLE           The confinement of radioactive material during the storage of spent SAFETY                fuel in a cask is ensured by the use of multiple confinement barriers ANALYSIS              and systems. The barriers relied upon are the uranium dioxide fuel pellet matrix, the metallic fuel cladding tubes in which the fuel pellets are contained, and the cask in which the fuel assemblies are stored. Long-term integrity of the fuel cladding depends on storage in an inert atmosphere. This is accomplished by removing water from the cask cavity and backfilling the cavity with an inert gas.
APPLICABLE SAFETY ANALYSIS The confinement of radioactive material during the storage of spent fuel in a cask is ensured by the use of multiple confinement barriers and systems. The barriers relied upon are the uranium dioxide fuel pellet matrix, the metallic fuel cladding tubes in which the fuel pellets are contained, and the cask in which the fuel assemblies are stored. Long-term integrity of the fuel cladding depends on storage in an inert atmosphere. This is accomplished by removing water from the cask cavity and backfilling the cavity with an inert gas.
The failure of storage cask confinement capability is considered in Prairie Island ISFSI                                             B 3.1.5-1                   Revision 9         1}}
The failure of storage cask confinement capability is considered in Prairie Island ISFSI B 3.1.5-1 Revision 9 1}}

Latest revision as of 05:46, 11 January 2025

Revised ISFSI Bases, Includes Revised Record of Revision, Revised Current Page List, and Revision 9 to Page B 3.1.5-1
ML13247A349
Person / Time
Site: Prairie Island  Xcel Energy icon.png
Issue date: 08/28/2013
From:
Nuclear Management Co
To:
Office of Nuclear Material Safety and Safeguards
References
000225895
Download: ML13247A349 (5)
v • d • e


Text

T-02 To Facility Address NRC DOC CONTROL DESK COPY #383 PI Department ONE WHITE FLINT NORTH 11555 ROCKVILLE PIKE ROCKVILLE, MD 20852-2738 PASSPORT DOCUMENT TRANSMITTAL Page:il~

Hg

~ I

~lnmiliI lll lll Nl l ail From C-DOC CNTRL-PI Attention:

Address 1717 WAKONADE DR EAST City Country Email Contact Date/Time Trans No.

Total Items:

WELCH UNITED STATES 08/28/2013 0'

000225895 00001 State: MN Postal Code:

55089 5:48 Transmittal Group Id:

Title:

0000025413 Item Facility Type Sub Document Number Sheet Doc Status Revision Doc Date Copy #

Media Cpys 0001 PI LIC BASE ISFSI BASES ISSUED 009 383 HC 01 If a document was not received or is no longer required check the response below and return to sender.

Documents noted above not received (identify those not received).

I no longer require distribution of these documents (identify those no longer required).

Date:

Signature:

ISFSI BASES UPDATING INSTRUCTIONS Revision 9 ISFSI BASES REMOVE Paqe Revision Document Type B RoR-1 12/10/12 Record of Revision A

12/10/12 Current Page List Page Revision Section/Chapter B 3.1.5-1 7

B 3.1

_ I _

i t

  • 1-I

+

Prairie Island Units 1 and 2 ISFSI-B-1 8/27/13

PRAIRIE ISLAND NUCLEAR GENERATING PLANT INDEPENDENT SPENT FUEL STORAGE INSTALLATION RECORD OF REVISION BASES CHANGES AND LICENSE AMENDMENTS NSPM Date of License Revision Issue Amendment No.

Remarks (REV) No.

I thrnn h ý Or;o nnl Rt

  • xunrp nrt nf AT hnoinl 5

7 8

9 8/20/2010 12/12/2012 7

Specifications Initial Issue of revised format and Inclusion of TN-40HT design.

Clarify "helium environment" requirement in ISFSI SR 3.1.2.1.

Revise B 3.1.5 paraphrase of regulatory requirements.

8/27/13 Prairie Island ISFSI B RoR-88/27/13

BASES CURRENT PAGES PAGE DATE B RoR-1 8/27/13 A

8/27/13 i

8/20/10 PAGE REVISION No.

B 2.0-1 7

B 2.0-2 7

B 3.0-1 7

B 3.0-2 7

B 3.0-3 7

B 3.0-4 7

B 3.0-5 7

B 3.0-6 7

B 3.0-7 7

B 3.0-8 7

B 3.0-9 7

B 3.0-10 7

B 3.0-11 7

B 3.1.1-1 7

B 3.1.1-2 7

B 3.1.1-3 7

B 3.1.2-1 7

B 3.1.2-2 7

B 3.1.2-3 7

B 3.1.2-4 8

B 3.1.2-5 7

PAGE REVISION No.

B 3.1.3-1 7

B 3.1.3-2 7

B 3.1.3-3 7

B 3.1.3-4 7

B 3.1.4-1 7

B 3.1.4-2 7

B 3.1.4-3 7

B 3.1.5-1 9

B 3.1.5-2 7

B 3.1.5-3 7

B 3.1.5-4 7

B 3.1.5-5 7

B 3.1.6-1 7

B 3.1.6-2 7

B 3.1.6-3 7

B 3.2.1-1 7

B 3.2.1-2 7

B 3.2.1-3 7

B 3.2.2-1 7

B 3.2.2-2 7

B 3.2.2-3 7

B 3.3.1-1 7

B 3.3.1-2 7

B 3.3.1-3 7

B 3.3.1-4 7

B 3.4.1-1 7

B 3.4.1-2 7

B 3.4.1-3 7

Prairie Island ISFSI A

8/27/13

Cask Interseal Pressure B 3.1.5 B 3.1 CASK INTEGRITY B 3.1.5 Cask Interseal Pressure BASES BACKGROUND A cask is loaded, dried, and sealed prior to being transported to the ISFSI and placed on a storage pad. The cask is designed with redundant seals to contain the radioactive material. In addition, 10 CFR 72.122(h)(4) requires that confinement systems have the capability of being monitored. The monitoring systems provide:

a. the capability to monitor interseal pressure that will indicate if cask seal integrity is compromised; and
b. local alarms to indicate that potential seal degradation has occurred.

It is necessary to verify cask seal integrity at regular intervals to ensure the cask's interseal containment boundary is being maintained and to verify there is no seal leakage to the environment.

APPLICABLE SAFETY ANALYSIS The confinement of radioactive material during the storage of spent fuel in a cask is ensured by the use of multiple confinement barriers and systems. The barriers relied upon are the uranium dioxide fuel pellet matrix, the metallic fuel cladding tubes in which the fuel pellets are contained, and the cask in which the fuel assemblies are stored. Long-term integrity of the fuel cladding depends on storage in an inert atmosphere. This is accomplished by removing water from the cask cavity and backfilling the cavity with an inert gas.

The failure of storage cask confinement capability is considered in Prairie Island ISFSI B 3.1.5-1 Revision 9 1

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