ML19220C360

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Forwards B&W Calculations Concerning Small Break LOCA at Reactor Coolant Pump Discharge Piping for B&W Lower Loop Plants & Requests Order of Mod Be Amended
ML19220C360
Person / Time
Site: Crane Constellation icon.png
Issue date: 07/24/1978
From: Herbein J
Metropolitan Edison Co
To: Varga S
Office of Nuclear Reactor Regulation
Shared Package
ML19220C361 List:
References
GQL 1260, GQL-1260, NUDOCS 7904300474
Download: ML19220C360 (1)


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s.c MJnVfRJGR P*OGof33 l METROPOLITAN EDISON CCMPANY

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PCST OFFICE BOX 542 READING. PENNSYLVANIA 19603 TELEPHONE 215 - 929-2601

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,ecO uw Director of Nuclear Peacter Regulat:cn Ants:

S. A. Varga, Chief Light 'Jater Reacters 3 ranch 30. L U. S. '!uclear Regalatcry C-# ssion

'iashingten, D. C.

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Dear Sir:

2:ree Mile Island Nuclear Station Unit 2 (CG-2)

C;erating license No. OFR-73 Occhet N0. 50-320 S=all 3real 1CCA Enclcsed please find the results of Bab:cek and '4110cx's (3&'4) nost recent calculations cencerning a e a break 10CA at the reactor ecolant pump dis-charge piping for the 3&'i icver loop 177 FA plants dated July 13, 1978.

Met-Ed and CPUSC have revieved the enciesed analysis and concur with B&'i's finding that fall conpliance with 10 CFR 50.h6 and Appendix ? to 10 CD. 50 is clearly demonstrated for operatien at power levels of 2772 Mv(t).

rnis enciesure and the appropriate CC-2.crecedures (Energency Precedure 2202-13 Loss of Reactor Ccclant/Reacter Ccolant Pressure and C;erating Frecedure 210h-1.2 Makeup a-d V

  • ** ation Da-4 erali::ation) described in Me -Ed's letters of May 5, 1978 and May 11, 1978 cenpletely satis #7 the conditions of Provisien (1) Sectica !7 cf.he Order of ".cdificatic: cf license dated May 26, 1978. Further=cre, the enciesed 3&~4 analysis pre-vides the necessa y justificaticn for cperatien at a pcVer level Of 2772

'N(t) which has been restricted 2565 Mv(t) 1:y Previsien (2) cf Section rl.

2:erefore, Met-Ed requests that the Order of Modification be amended by deleting Provisicas (1) and (2) of Secticn r/ cf the Order of Mcdificatien of license dated May 26, 1978.

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