ML20071F632

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Forwards Requested Info on Tabulation of Mass & Energy Release Data by Westinghouse.Provides Proposed Tech Specs Rev 100 Gal Increase in Refueling Water Storage Tanks
ML20071F632
Person / Time
Site: Beaver Valley
Issue date: 10/24/1978
From: Dunn C
DUQUESNE LIGHT CO.
To: Schwencer A
Office of Nuclear Reactor Regulation
References
TAC-7170, NUDOCS 7810270195
Download: ML20071F632 (8)


Text

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(412) 471 4300 435 Sixth Avenue Pittsburgh, Pennsylvania 15219 -

October 24, 1978 Director of Nuclear Reactor Regulation United States Nuc? ear Regulatory Commission Attention: A. Schweae.er, Chief Branch No. 1 Division of Operating Reactors .

Uashington, D. C. 20555

Reference:

Beaver Valley Power Station, Unit No.1 f~ Docket No. 50-334 i Supplemental Information on Adequacy of ECCS NPSH Modifications Revisions to PrFp~osed Technical Specifications Gentlemen:

Enclosed are three (3) signed originals and thirty-seven (37) copies of the information requested by telephone concerning a tabulation of the mass and energy release data provided by the Westinghouse Electric Corporation as applicable to Beaver Valley No. 1 Unit.

We are also providing revisions to the proposed Technical Specifications which were originally submitted with our Hovember,1977 report on this subject.

These revisions include the following changes.

1) An increase of 100 gallons to the minimum water level of the RWST.

/-'-

2) A reduction of 9 1/2 inches to the level at which the automatic transfer to recirculation is initiated.
3) The volume and concentration of sodium hydroxide contained in the chemical addition tank.

Since these proposed Technical Specifications were originally submitted prior to the adoption of 10CFR 170.22 which specifies fee submittal for license amendments, we believe that no fee is required for these revisions.

We believe that this additional information provides all that is required for your review of these proposed modifications.

Very truly yours, i l ti C. N. Dunn 7P'47 o/97 P Vice President, Operations Attachments

a

-(CORPORATE SEAL)

Attest:

, 's i ..-

H.W. Staas Secretary COMMONWEALTH OF PENNSYLVANIA)

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COUNTY OF ALLEGHENY )

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On this l '/ day of - - ~. J e. - , 1978, before me, nnWAT.h W RNAwunW , a Notary Public in and for said Commonwealth and County, personally appeared C. N. Dunn, who being duly sworn, deposed, and said that (1) he is Vice President of Duquesne Light, (2) he is duly authorized to execute and file the foregoing Sub-mittal on behalf of said Company, and (3) the statements set forth in the Submittal are true and correct to the best of his knowledge, information and belief.

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DONALD W. SHANNON. Notary Puttia Pittsburgh. A!Ieghery Co.. Pa.

My Commissen Empires June 7.1979 9

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4 TABLE I Westinghouse Mass and Energy Release Data Hot Leg Double-Ended Rupture Worst Case for Recirculation Pump NPSH and Containment Integrity (First Peak) ~

Time After Accident Mass Rate Energy Rate (Sec) (Lb/Sec) (Btu /Sec) 2.50 E-2 7.15 E-4 4.53 E-7 1.75 E-1 7.44 E-4 4.72 E-7 4.50 E-1 6.38 E-4 3.99 E-7 7.25 E-1 5.82 E-4 3.61 E-7 1.075 E-0 5.33 E-4 3.32 E-7 1.60 E-0 4.73 E-4 2.97 E-7 2.20 E-0 4.16 E-4 2.64 E-7 2.85 E-0 3.70 E-4 2.34 E-7 3.50 E-0 3.89 E-4 2.13 E-7 4.15 E-0 3.19 E-4 2.00 E-7

< 4.85 E-0 3.09 E-4 1.91 E-7 5.45 E-0 2.85 E-4 1.79 E-7 6.10 E-0 2.60 E-4 1.67 E-7 6.90 E-0 2.46 E-4 1.57 E-7 7.75 E-0 2.31 E-4 1,47 E-7 8.70 E-0 2.12 E-4 1.35 E-7 9.75 E-0 1.90 E-4 1.21 E-7 1.07 E-1 1.68 E-4

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1.09 E-7 1.13 E-1 1.48 E-4 9.73 E-6 1.19 E-1 1.33 E-4 8.54 E-6 1.26 E-1 1.17 E-4 7.37 E-6 1.33 E-1 9.42 E-3 6.10 E-6 1.39 E-1 7.01 E-3 4.51 E-6 1.45 E-1 6.38 E-3 3.34 E-6 1.52 E-1 5.75 E-3 2.77 E-6 1.58 E-1 5.82 E-3 2.61 E-6 1.64 E-1 5.96 E-3 2.50 E-6

( 1.66 E-1 0.0 0.0 1.85 E-1 1.32 E-3 6.22 E-5 1.90 E-1 5.04 E-2 5.54 E-5

, 2.00 E-1 7.26 E-2 5.86 E-5 2.30 E-1 1.49 E-3 7.34 E-5 2.40 E-1 1.54 E-3 7.42 E-5 2.70 E-1 - 1.51 E-3 7.26 E-5 3.20 E-1 1.45 E-3 6.97 E-5 4.30 E-1 1.32 E-3 6.50. E-5 5.00 E-1 1.19 'E-3 6.14 E-5 5.001 E-1 1.19 E-3 6.11 E-5 5.80 E-1 1.09 E-3 5.86 E-5 6.80 E-1 1.01 E-3 5.63 E-5 7.80 E-1 9.67 E-3 5.49 E-5 8.46 E-1 9.04 E-2 5.34 E-5 8.4601E-1 1.44 E-2 1.72 E-5 1.00 E-2 1.40 E-2 1.67 E-5

o Time Af ter Accident Mass Rate Energy Rate (Sec) (Lb/Sec) (Btu /Sec)

~~_. _

2.00 E-2 1.14 E-2 1.36 E-5 s 5.00 E-2 8.20 E-1 9.77 E-4 .'

1.00 E-3 6.15 E-1 7.32 E-4 1.50 E-3 5.24 E-1 6.24 E-4 2.00 E-3 5.63 E-1 6.71 E-4 5.00 E-3 4.19 E-1 4.94 E-4 1.00 E-4 3.33 E-1 3.96 E-4 NOTE: Entrainment ends at 84.6 seconds l

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TABLE 11 Westinghouse Mass and Energy Release Data Pump Suction Double-Ended Rupture ,

Worst Case for LHSI Pump NPSH, Integrity (Second Peak) and -

Depressurization (Third Peak) -~

Time After Accident Mass Rate Energy Rate (See) (Lb/Sec) (Btu /Sec) 2.50 E-2 6.63 E-4 3.59 E-7 2.00 E-1 7.74 E-4 4.21 E-7 5.00 E-1 7.13 E-4 3.97 E-7 8.00 E-1 6.45 E-4 3.68 E-7 1.325 E-0 . 5.77 E-4 3.37 E-7 2.05 E-0 4.45 E-4 2.67 E-7 2.75 E-0 3.37 E-4 2.07 E-7 3.50 E-0 2.91 E-4 1.81 E-7 4.25 E-0 2.65 E-4 1.67 E-7 5.00 E-0 2.46 E-4 1.54 E-7 7 5.80 E-0 2.33 E-4 1.43 E-7 6.55 E-0 2.28 E-4 1.42 E-7 7.35 E-0 2.06 E-4 1.31 E-7 8.35 E-0 1.94 E-4 1.22 E-7 9.50 E-0 1.78 E-4 1.11 E-7 1.07 E-1 1.58 E-4 1.00 E-7 1.18 E-1 1.40 E-4 9.00 E-6 1.275 E-1 1.32 E-4 8.35 E-6

-1.365 E-1 1.322 E-4 7.80 E-6 1.445 E-1 1.27 E-4 7.11 E-6 1.515 E-1 1.20 E-4 6.45 E-6 1.59 E-1 1.16 E-4 5.83 E-6 1.67 'E-1 9.77 E-3 4.71 E-6 1.75 E-1 7.02 E-3 3.48 E-6 1.825 E-1 4.19 E-3 2.16 E-6 1.90 E-1 1.68 E-3 6.30 E-5 1.965 E-1 3.83 E-3 1.10 E-6

(." 1.99 E-1 0.0 0.0 2.00 E-1 6.91 E-2 8.87 E-5 2.05 E-1 3.85 E-2 4.95 E-5 2.15 E-1 3.62 E-2 4.65 E-5 2.45 E-1 5.69 E-2 7.30 E-5 2.55 E-1 5.88 E-2 7.55 E-5 2.95 E-1 5.78 E-2 7.41 E-5 3.95 E-1 5.58 E-2 7.13 E-5 4.65 E-1 5.45 E-2 6.95 E-5 5.00 E-1 5.38 E-2 6.75 E-5 5.95 E-1 4.90 E-2 6.23 E-5 7.95 E-1 4.26 E-2 5.38 E-5 9.95 E-1 3.86 E-2 4.85 E-5 1.00 E-2 3.85 E-2 4.84 E-5 1.20 E-2 3.60 E-2 4.52 E-5 1.43 E-2 3.40 E-2 4.25 E-5 1.924 E-2 3.19 E-2 3.95 E-5 NOTE: Intrainment ends at 192.4 seconds r - . . , , . , . , - - - . . ~ , , . - - - - - - - . . . . . - _ - ---

.m TABLE 3.3-4 (Continued)

ENGINEERED SAFETY FEATURE ACTUATION SYSTEM INSTRUMENTATION TRIP $1ETPOINTS FUNCTIONAL UNIT TRIP SETPOINT ALLOWABLE VALUES 1A. SAFETY INJECTION-TRANSFER FROM INJECTION TO THE RECIRCULATION MODE A. Manual Initiation Not Applicable Not Applicable B. Automation Actuation Co- Not Applicable Not Applicable incident with Safety In-jection Signal C. Refueling Water Storage Tank 19'-2 1/2" + 6" ,

19'-2 1/2" + 1' D. Refueling Water Storage 11'-0" + 3" 11'-0" + 6" Tank Level - Auto QS Flow Reduction 0

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EMERGENCY CORE COOLING SYSTEMS . .

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REFUELING WATER STORAGE TANK LIMITING CONDITION FOR OPERATION 3.5.5 The refueling water storage tank shall be OPERABLE with:

a. A minimum contained volume of 441,100 gallons of borated Res water.
b. A minimum boron concentration of 2,000 ppm, and
c. A minimum water temperature of 430F.

APPLICABILITY: MODES 1, 2, 3 and 4.

, ACTION:

With the refueling water storage tank inoperable, restore the tank to OPERABLE status within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

SURVEILLANCE REOUIREMENTS 4.5.5 The RWST shall be demonstrated OPERABLE:

( a. At least once per 7 days by:

1. Verifying the water level in the tank, and l
2. Verifying the boron concentration of the water.
b. At least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> by verifying the RWST temper-ature when the RWST ambient air temperature is < 430F.

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BEAVER VAT.T.EY - UNIT 1 3/4 5-9 1

. CONTAINMENT SYSTEMS CHEMICAL ADDITION SYSTEM LIMITING CONDITION FOR OPERATION 3.6.2.3 The chemical addition system shall be OPERABLE with:

  • a. A chemical addition tank containing 4875 1 125 gallons with a concentration of 20.0 1 1.0 weight percent of NaOH solution.
b. A chemical addition flow path, capable of adding NaOH solution from the chemical addition tank to both contain-ment quench spray system pump flows.

APPLICABILITY: MODES 1, 2, 3, and 4.

ACTION:

With the chemical addition system inoperable, restore the system t to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />; restore the chemical addition system to_ OPERABLE status within the next 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or be in COLD SHUTDOWN within the next 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br />.

SURVEILLANCE REQUIREMENTS 4.6.2.3 The chemical additional system shall be demonstrated OPERABLE:

a. At least once per 31 days by: .
1. Testing each power operated or automatic valve in the flow path in accc: dance with the requirements of proposed Section 4. 0. 5.

( 2. Verifying that each valve (manual, power operated or automatic) in the flow path that is not locked, "

sealed or otherwise secured in position, is in its correct position.

b. At least once per 6 months by:
1. Verifying the solution le, vel in the tank, and
2. Verifying the concentration of the NaOH solution by chemical analysis.

j BEAVER VALLEY - UNIT 1 3/4 6-15 l

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