ML020430480

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Amendment No. 128, Technical Specification Credit for Soluble Boron in the Spent Fuel Pool
ML020430480
Person / Time
Site: Beaver Valley
Issue date: 02/11/2002
From: Dan Collins
NRC/NRR/DLPM/LPD1
To: Myers L
FirstEnergy Nuclear Operating Co
Collins D, NRR/DLPM, 415-1427
Shared Package
ML020440176 List:
References
Download: ML020430480 (6)


Text

NPF-73 INDEX LIMITING CONDITION FOR OPERATION AND SURVEILLANCE REQUIREMENTS SECTION PAGE 3/4.9.12 FUEL BUILDING VENTILATION SYSTEM FUEL MOVEMENT ................................ 3/4 9-13 3/4.9.14 SPENT FUEL POOL STORAGE ...................... 3/4 9-15 3/4.9.15 FUEL STORAGE POOL BORON CONCENTRATION ........ 3/4 9-17 3/4.10 SPECIAL TEST EXCEPTIONS 3/4.10.1 SHUTDOWN MARGIN .............................. 3/4 10-1 3/4.10.2 GROUP HEIGHT, INSERTION AND POWER DISTRIBUTION LIMITS .......................... 3/4 10-2 3/4.10.3 PHYSICS TESTS ................................ 3/4 10-3 3/4.10.4 REACTOR COOLANT LOOPS ........................ 3/4 10-4 3/4.11 RADIOACTIVE EFFLUENTS 3/4.11.1 LIQUID EFFLUENTS 3/4.11.1.4 Liquid Holdup Tanks .......................... 3/4 11-2 3/4.11.2 GASEOUS EFFLUENTS 3/4.11,2.5 Gaseous Waste Storage Tanks .................. 3/4 11-4 3/4.11.2.6 Explosive Gas Mixture ........................ 3/4 11-5 BASES SECTION PAGE 3/4.0 APPLICABILITY ...................................... B 3/4 0-1 3/4.1 REACTIVITY CONTROL SYSTEMS 3/4.1.1 BORATION CONTROL ............................. B 3/4 1-1 3/4.1.2 BORATION SYSTEMS ............................. B 3/4 1-2 3/4.1.3 MOVABLE CONTROL ASSEMBLIES ................... B 3/4 1-4 BEAVER VALLEY - UNIT 2 IX Amendment No. 128

3/4.9.14 SPENT FUEL POOL STORAGE LIMITING CONDITION FOR OPERATION 3.9.14 The combination of initial enrichment and burnup of each comply with fuel assembly stored in the spent fuel storage pool shall the limits specified in Table 3.9-1.

Whenever any fuel assembly is stored in the spent fuel APPLICABILITY:

storage pool.

ACTION: With the above requirements not satisfied:

a. Immediately initiate action to move the non-complying fuel assembly to a location that complies with Table 3.9-1.

The provisions of Specifications 3.0.3 and 3.0.4 are b.

not applicable.

SURVEILLANCE REQUIREMENTS 4.9.14 Verify, by administrative means, the initial enrichment and to storing a fuel assembly in burnup complies with Table 3.9-1 prior the spent fuel storage pool.

3/4 9-15 Amendment No. 128 BEAVER VALLEY - UNIT 2

Table 3.9-1 FUEL ASSEMBLY MINIMUM BURNUP VS. U-235 NOMINAL ENRICHMENT FOR STORAGE IN SPENT FUEL RACK REGIONS 1,2,3 Region 1 Region 3 Region 2 Region 1 Nominal 2-out-of-4 Enrichment 4-out-of-4 3-out-of-4 Checkerboard Checkerboard (w/o U-235) Burnup Burnup Burnup (MWD/MTU) (MWD/MTU)

(MWD/MTU) 0 0 1.9 0 0 0 2.0 1615 0 0 2.2 4629 0 0 2.4 7295 0 0 2.6 9677 1798 0 2.8 11877 3556 0 3.0 13995 5268 0 3.2 16112 6940 0 3.4 18235 8581 0 3.6 20349 10198 0 3.8 22443 11800 0 4.0 24503 13394 0 4.2 26519 14979 0 4.4 28492 16552 0 4.6 30428 18110 0 4.8 32329 19650 0 5.0 34201

___________ J___________ J___________ .1___________

yields conservative results.

Note 1: Linear interpolation 3/4 9-16 Amendment No. 128 BEAVER VALLEY - UNIT 2

3/4.9.15 FUEL STORAGE POOL BORON CONCENTRATION LIMITING CONDITION FOR OPERATION concentration shall be greater 3.9.15 The fuel storage pool boron than or equal to 2000 ppm.

When fuel assemblies are stored in the fuel storage APPLICABILITY:

pool.

fuel storage pool boron concentration not within ACTION: With limits, suspend all operations involving the

a. Immediately movement of fuel assemblies in the fuel storage pool and initiate action to restore the fuel storage pool boron concentration to within the limit.

The provisions of Specifications 3.0.3 and 3.0.4 are b.

not applicable.

SURVEILLANCE REQUIREMENTS Verify the fuel storage pool boron concentration is within 4.9.15 the limit at least once per 7 days.

3/4 9-17 Amendment No. 128 BEAVER VALLEY - UNIT 2

NPF-73 5.0 DESIGN FEATURES 5.1 SITE LOCATION Shippingport The Beaver Valley Power Station Unit No. 2 is located in on the south bank of the Ohio Borough, Beaver County, Pennsylvania, The site is approximately 1 mile southeast of Midland, River.

Liverpool, Ohio, and approximately Pennsylvania, 5 miles east of East 25 miles northwest of Pittsburgh, Pennsylvania. The exclusion area of 2000 feet around the Unit No. 1 boundary has a minimum radius containment building.

5.2 REACTOR CORE 5.2.1 FUEL ASSEMBLIES The reactor shall contain 157 fuel assemblies. Each assembly shall consist of a matrix of Zircaloy or ZIRLO fuel rods with an initial enriched uranium dioxide (UO2 ) as composition of natural or slightly Limited substitutions of zirconium alloy or stainless fuel material.

steel filler rods for fuel rods, in accordance with approved of fuel rod configurations, may be used. Fuel applications been have assemblies shall be limited to those fuel designs that and analyzed with applicable NRC staff approved codes and methods all fuel safety design shown by tests or analyses to comply with bases. A limited number of lead test assemblies that have not core completed representative testing may be placed in nonlimiting regions.

5.2.2 CONTROL ROD ASSEMBLIES part length The reactor core shall contain 48 full length and no The full length control rod assemblies shall control rod assemblies.

material. The nominal contain a nominal 142 inches of absorber 15 percent values of absorber material shall be 80 percent silver, All control rods shall be clad with indium and 5 percent cadmium.

stainless steel tubing.

5.3 FUEL STORAGE 5.3.1 CRITICALITY fuel storage racks are designed and shall be 5.3.1.1 The spent maintained with:

a. Keff < 1.0 if fully flooded with unborated water, which includes an allowance for uncertainties as described in UFSAR Section 9.1; Fuel assemblies having a maximum U-235 enrichment as set b.

forth in Specification 3.9.14; 128 5-1 Amendment No.

BEAVER VALLEY - UNIT 2

NPF-73 5.0 DESIGN FEATURES C. Keff

  • 0.95 if fully flooded with water borated to 450 ppm, which includes an allowance for uncertainties as described in UFSAR Section 9.1; assemblies
d. A minimum center to center distance between fuel placed in the fuel storage racks of 10.4375 inches; of
e. Fuel assembly storage shall comply with the requirements Specification 3.9.14.

racks are designed and shall be 5.3.1.2 The new fuel storage maintained with:

having a maximum U-235 enrichment of 4.85

a. Fuel assemblies weight percent; Keff
  • 0.95 if fully flooded with unborated water, which b.

includes an allowance for uncertainties as described in UFSAR Section 9.1; an

c. Keff
  • 0.95 if moderated by aqueous foam, which includes Section allowance for uncertainties as described in UFSAR 9.1; between fuel.
d. A nominal 21 inch center to center distance assemblies placed in the storage racks.

5.3.2 DRAINAGE be maintained to The spent fuel storage pool is designed and shall 751'-3".

prevent inadvertent draining of the pool below elevation 5.3.3 CAPACITY maintained with a The fuel storage pool is designed and shall be fuel assemblies.

storage capacity limited to no more than 1088 5-2 Amendment No. 128 BEAVER VALLEY - UNIT 2