ML072550183

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Technical Specifications Pages, Revise Fuel Storage Pool Boron Concentration
ML072550183
Person / Time
Site: San Onofre  Southern California Edison icon.png
Issue date: 09/27/2007
From: Kalyanam N
NRC/NRR/ADRO/DORL/LPLIV
To:
Kalynanam N, NRR/DORL/LP4, 415-1480
Shared Package
ML072550164 List:
References
TAC MD1405, TAC MD1406
Download: ML072550183 (16)
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Text

Fuel Storage Pool Boron Concentration 3.7.17 3.7 PLANT SYSTEMS 3.7.17 Fuel Storage Pool Boron Concentration LCO 3.7.17 The fuel storage pool boron concentration shall be

$ 2000 ppm.

  • APPLICABILITY: Whenever any fuel assembly is stored in the fuel storage
  • pool.
  • ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Fuel storage pool ------------NOTE-------------

boron concentration LCO 3.0.3 is not applicable.

not within limit. -----------------------------

A.1 Suspend movement of Immediately fuel assemblies in the fuel storage pool.

AND A.2 Initiate action to Immediately

  • restore fuel storage pool boron concentration to within limit.

SAN ONOFRE-UNIT 2 3.7-30 Amendment No. 213

Spent Fuel Assembly Storage 3.7.18 3.7 PLANT SYSTEMS 3.7.18 Spent Fuel Assembly Storage LCO 3.7.18 The combination of initial enrichment and burnup of each SONGS 2 and 3 spent fuel assembly stored in Region I shall

  • be within the acceptable burnup domain of Figure 3.7.18-1 or Figure 3.7.18-2, or the fuel assembly shall be stored in accordance with Technical Specification 4.3.1.1.
  • The combination of initial enrichment and burnup of each
  • SONGS 2 and 3 spent fuel assembly stored in Region II shall
  • be within the acceptable burnup domain of Figure 3.7.18-3 or
  • Figure 3.7.18-4, or the fuel assembly shall be stored in
  • Region II shall be stored in accordance with Technical
  • Specification 4.3.1.1.
  • APPLICABILITY: Whenever any fuel assembly is stored in the fuel storage
  • pool.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Requirements of the A.1 --------NOTE---------

LCO not met. LCO 3.0.3 is not applicable.

Initiate action to bring Immediately

  • the noncomplying fuel
  • assembly into compliance.
  • SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.18.1 Verify by administrative means the initial Prior to moving a
  • enrichment, burnup, and cooling time of the fuel assembly to
  • fuel assembly are in accordance with LCO any spent fuel
  • 3.7.18, or Design Features 4.3.1.1, or LCS pool storage
  • 4.0.100. Rev 2, dated 09/27/07. location.
  • SAN ONOFRE--UNIT 2 3.7-32 Amendment No. 213

Spent Fuel Assembly Storage 3.7.18 FIGURE 3.7.18-1 MINIMUM BURNUP AND COOLING TIME VS. INITIAL ENRICHMENT FOR UNRESTRICTED PLACEMENT OF SONGS 2 AND 3 FUEL IN REGION I RACKS 25 Fuel Assembly Burnup (GWD/T) 20 15 Acceptable Region 10 5

Unacceptable Region 0

2.0 2.5 3.0 3.5 4.0 4.5 5.0 Initial U-235 Enrichment (w/o) 0 Years 5 Years 10 Years 15 Years 20 Years SAN ONOFRE--UNIT 2 3.7-33 Amendment No. 213

Spent Fuel Assembly Storage 3.7.18 FIGURE 3.7.18-2 MINIMUM BURNUP AND COOLING TIME VS. INITIAL ENRICHMENT FOR PLACEMENT OF SONGS 2 AND 3 FUEL IN PERIPHERAL POOL LOCATIONS IN REGION I RACKS 15 Fuel Assembly Burnup (GWD/T) 10 Acceptable Region 5

Unacceptable Region 0

3.0 3.5 4.0 4.5 5.0 Initial U-235 Enrichment (w/o) 0 Years 5 Years 10 Years 15 Years 20 Years SAN ONOFRE--UNIT 2 3.7-34 Amendment No. 213

Spent Fuel Assembly Storage 3.7.18 FIGURE 3.7.18-3 MINIMUM BURNUP AND COOLING TIME VS. INITIAL ENRICHMENT FOR UNRESTRICTED PLACEMENT OF SONGS 2 AND 3 FUEL IN REGION II RACKS SAN ONOFRE--UNIT 2 3.7-34a Amendment No. 213

  • Spent Fuel Assembly Storage 3.7.18 FIGURE 3.7.18-4 MINIMUM BURNUP AND COOLING TIME VS. INITIAL ENRICHMENT FOR PLACEMENT OF SONGS 2 AND 3 FUEL IN PERIPHERAL POOL LOCATIONS IN REGION II RACKS SAN ONOFRE-UNIT 2 3.7-34b Amendment No. 213
  • Design Features 4.0 4.0 DESIGN FEATURES (continued) 4.3 Fuel Storage 4.3.1 Criticality 4.3.1.1 The spent fuel storage racks are designed and shall be maintained with:
a. Fuel assemblies having a maximum U-235 enrichment of 4.8 weight percent;
b. Keff < 1.0 if fully flooded with unborated water,
  • which includes an allowance for uncertainties as described in Section 9.1 of the UFSAR;
c. Keff # 0.95 if fully flooded with water borated to
  • 1700 ppm, which includes an allowance for
  • uncertainties as described in Section 9.1 of the
d. Three or five Borated stainless steel guide tube
  • inserts (GT-Insert) may be used. When three
  • Borated stainless steel guide tube inserts are
  • used, they will be installed in an assembly's
  • center guide tube, the guide tube associated with
  • the serial number, and the diagonally opposite
  • guide tube. Fuel containing GT-Inserts may be
  • placed in either Region I or Region II. However,
  • credit for GT-Inserts is only taken for Region II
  • storage.
  • A five-finger CEA may be installed in an assembly.
  • Fuel containing a five-finger CEA may be placed in
  • either Region I or Region II. Credit for inserted
  • 5-finger CEAs is taken for both Region I and
  • Region II. *
e. A nominal 8.85 inch center to center distance
  • between fuel assemblies placed in Region II;
f. A nominal 10.40 inch center to center distance
  • between fuel assemblies placed in Region I; (continued)

SAN ONOFRE--UNIT 2 4.0-4 Amendment No. 213

Design Features 4.0 4.0 DESIGN FEATURES (continued) 4.3.1 Criticality (continued)

g. Prior to using the storage criteria of LCO 3.7.18
  • and LCS 4.0.100, the following uncertainties will
  • be applied: *

(1) The calculated discharge burnup of San Onofre

  • Units 2 and 3 assemblies will be reduced by
  • 6.6%. *

(2) The calculated discharge burnup of San Onofre

  • Unit 1 fuel assemblies will be reduced by
  • 10.0%. *
h. Units 2 and 3 fuel assemblies with a burnup in the *

"acceptable range" of Figure 3.7.18-1 are allowed unrestricted storage in Region I; *

i. Units 2 and 3 fuel assemblies with a burnup in the *

"acceptable range" of Figure 3.7.18-2 are allowed unrestricted storage in the peripheral pool locations with 1 or 2 faces toward the spent fuel pool walls of Region I; *

j. Units 2 and 3 fuel assemblies with a burnup in the *

"acceptable range" of Figure 3.7.18-3 are allowed

  • unrestricted storage in Region II; *
k. Units 2 and 3 fuel assemblies with a burnup in the *

"acceptable range" of Figure 3.7.18-4 are allowed

  • unrestricted storage in the peripheral pool
  • locations with 1 or 2 faces toward the spent fuel
  • pool walls of Region II; *
l. Units 2 and 3 fuel assemblies with a burnup in the *

"unacceptable range" of Figure 3.7.18-1, Figure

  • 3.7.18-2, Figure 3.7.18-3, and Figure 3.7.18-4 will
  • be stored in compliance with Licensee Controlled Specification 4.0.100 Rev. 2, dated 09/27/07; and *
m. Each SONGS 1 uranium dioxide spent fuel assembly
  • stored in Region II shall be stored in accordance
  • with Licensee Controlled Specification 4.0.100 Rev. 2, dated 09/27/07. *

(continued)

SAN ONOFRE--UNIT 2 4.0-4a Amendment No. 213

  • Fuel Storage Pool Boron Concentration 3.7.17 3.7 PLANT SYSTEMS 3.7.17 Fuel Storage Pool Boron Concentration LCO 3.7.17 The fuel storage pool boron concentration shall be

$ 2000 ppm.

  • APPLICABILITY: Whenever any fuel assembly is stored in the fuel storage
  • pool.
  • ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Fuel storage pool ------------NOTE-------------

boron concentration LCO 3.0.3 is not applicable.

not within limit. -----------------------------

A.1 Suspend movement of Immediately fuel assemblies in the fuel storage pool.

AND A.2 Initiate action to Immediately

  • restore fuel storage pool boron concentration to within limit.

SAN ONOFRE--UNIT 3 3.7-30 Amendment No. 205

Spent Fuel Assembly Storage 3.7.18 3.7 PLANT SYSTEMS 3.7.18 Spent Fuel Assembly Storage LCO 3.7.18 The combination of initial enrichment and burnup of each SONGS 2 and 3 spent fuel assembly stored in Region I shall

  • be within the acceptable burnup domain of Figure 3.7.18-1 or Figure 3.7.18-2, or the fuel assembly shall be stored in accordance with Technical Specification 4.3.1.1.
  • The combination of initial enrichment and burnup of each
  • SONGS 2 and 3 spent fuel assembly stored in Region II shall
  • be within the acceptable burnup domain of Figure 3.7.18-3 or
  • Figure 3.7.18-4, or the fuel assembly shall be stored in
  • Region II shall be stored in accordance with Technical
  • Specification 4.3.1.1.
  • APPLICABILITY: Whenever any fuel assembly is stored in the fuel storage
  • pool.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Requirements of the A.1 --------NOTE---------

LCO not met. LCO 3.0.3 is not applicable.

Initiate action to bring Immediately

  • the noncomplying fuel
  • assembly into compliance.
  • SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.18.1 Verify by administrative means the initial Prior to moving a
  • enrichment, burnup, and cooling time of the fuel assembly to **

fuel assembly are in accordance with LCO

  • 3.7.18, or Design Features 4.3.1.1, or LCS any spent fuel **

4.3.100. Rev 2, dated 09/27/07. pool storage **

location.

  • SAN ONOFRE--UNIT 3 3.7-32 Amendment No. 205

Spent Fuel Assembly Storage 3.7.18 FIGURE 3.7.18-1 MINIMUM BURNUP AND COOLING TIME VS. INITIAL ENRICHMENT FOR UNRESTRICTED PLACEMENT OF SONGS 2 AND 3 FUEL IN REGION I RACKS 25 Fuel Assembly Burnup (GWD/T) 20 15 Acceptable Region 10 5

Unacceptable Region 0

2.0 2.5 3.0 3.5 4.0 4.5 5.0 Initial U-235 Enrichment (w/o) 0 Years 5 Years 10 Years 15 Years 20 Years SAN ONOFRE--UNIT 3 3.7-33 Amendment No. 205

Spent Fuel Assembly Storage 3.7.18 FIGURE 3.7.18-2 MINIMUM BURNUP AND COOLING TIME VS. INITIAL ENRICHMENT FOR PLACEMENT OF SONGS 2 AND 3 FUEL IN PERIPHERAL POOL LOCATIONS IN REGION I RACKS 15 Fuel Assembly Burnup (GWD/T) 10 Acceptable Region 5

Unacceptable Region 0

3.0 3.5 4.0 4.5 5.0 Initial U-235 Enrichment (w/o) 0 Years 5 Years 10 Years 15 Years 20 Years SAN ONOFRE--UNIT 3 3.7-34 Amendment No. 205

Spent Fuel Assembly Storage 3.7.18 FIGURE 3.7.18-3 MINIMUM BURNUP AND COOLING TIME VS. INITIAL ENRICHMENT FOR UNRESTRICTED PLACEMENT OF SONGS 2 AND 3 FUEL IN REGION II RACKS SAN ONOFRE--UNIT 3 3.7-34a Amendment No. 205

  • Spent Fuel Assembly Storage 3.7.18 FIGURE 3.7.18-4 MINIMUM BURNUP AND COOLING TIME VS. INITIAL ENRICHMENT FOR PLACEMENT OF SONGS 2 AND 3 FUEL IN PERIPHERAL POOL LOCATIONS IN REGION II RACKS SAN ONOFRE--UNIT 3 3.7-34b Amendment No. 205
  • Design Features 4.0 4.0 DESIGN FEATURES (continued) 4.3 Fuel Storage 4.3.1 Criticality 4.3.1.1 The spent fuel storage racks are designed and shall be maintained with:
a. Fuel assemblies having a maximum U-235 enrichment of 4.8 weight percent;
b. Keff < 1.0 if fully flooded with unborated water,
  • which includes an allowance for uncertainties as described in Section 9.1 of the UFSAR;
c. Keff # 0.95 if fully flooded with water borated to
  • 1700 ppm, which includes an allowance for
  • uncertainties as described in Section 9.1 of the
d. Three or five Borated stainless steel guide tube
  • inserts (GT-Inserts) may be used. When three
  • Borated stainless steel guide tube inserts are
  • used, they will be installed in an assembly's
  • center guide tube, the guide tube associated with
  • the serial number, and the diagonally opposite
  • guide tube. Fuel containing GT-Inserts may be
  • placed in either Region I or Region II. However,
  • credit for GT-Inserts is only taken for Region II
  • storage.
  • A five-finger CEA may be installed in an assembly.
  • Fuel containing a five-finger CEA may be placed in
  • either Region I or Region II. Credit for inserted
  • 5-finger CEAs is taken for both Region I and
  • Region II. *
e. A nominal 8.85 inch center to center distance
  • between fuel assemblies placed in Region II;
f. A nominal 10.40 inch center to center distance
  • between fuel assemblies placed in Region I; (continued)

SAN ONOFRE-UNIT 3 4.0-4 Amendment No. 205

  • Design Features 4.0 4.0 DESIGN FEATURES (continued) 4.3.1 Criticality (continued)
g. Prior to using the storage criteria of LCO 3.7.18
  • and LCS 4.0.100, the following uncertainties will
  • be applied: *

(1) The calculated discharge burnup of San Onofre

  • Units 2 and 3 assemblies will be reduced by
  • 6.6%. *

(2) The calculated discharge burnup of San Onofre

  • Unit 1 fuel assemblies will be reduced by
  • 10.0%. *
h. Units 2 and 3 fuel assemblies with a burnup in the *

"acceptable range" of Figure 3.7.18-1 are allowed unrestricted storage in Region I; *

i. Units 2 and 3 fuel assemblies with a burnup in the *

"acceptable range" of Figure 3.7.18-2 are allowed unrestricted storage in the peripheral pool locations with 1 or 2 faces toward the spent fuel pool walls of Region I; *

j. Units 2 and 3 fuel assemblies with a burnup in the *

"acceptable range" of Figure 3.7.18-3 are allowed

  • unrestricted storage in Region II; *
k. Units 2 and 3 fuel assemblies with a burnup in the *

"acceptable range" of Figure 3.7.18-4 are allowed

  • unrestricted storage in the peripheral pool
  • locations with 1 or 2 faces toward the spent fuel
  • pool walls of Region II; *
l. Units 2 and 3 fuel assemblies with a burnup in the *

"unacceptable range" of Figure 3.7.18-1, Figure

  • 3.7.18-2, Figure 3.7.18-3, and Figure 3.7.18-4 will
  • be stored in compliance with Licensee Controlled Specification 4.0.100 Rev. 2, dated 09/27/07; and *
m. Each SONGS 1 uranium dioxide spent fuel assembly
  • stored in Region II shall be stored in accordance
  • with Licensee Controlled Specification 4.0.100 Rev. 2, dated 09/27/07. *

(continued)

SAN ONOFRE-UNIT 3 4.0-4a Amendment No. 205 *

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