ML19316A549
| ML19316A549 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 06/08/1978 |
| From: | Parker W DUKE POWER CO. |
| To: | Case E Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8001100764 | |
| Download: ML19316A549 (3) | |
Text
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DATE RCVD: 06/14/78 !
ORO: IAktER W O Di tl E PWR i
NRr COPIES RECEIVED Dnc IYPE: LETIER tan 1 ARI 7ED: NO LTR 1 ENCL 0 TECil SPEC PROPOSED CHANGE REQUESTING E)EMPT LUU.tEC T :
LIC NO DPR-C" APPL FOR AMEND:DE GR ANTED TO PROVISIO i
(2568 MWT).
W/ATT LIC FEES.
OPERATE AT FULL RATED CORE THERMAL PNR J
REVIEWER INITIAL:
XJM PLANT MAME:OCONEE - Ut!IT 3 DISTRIBUTOR INITIAL: DL IS AS FOLLOWS ******************
DISTRIDUTION OF THIS MATERIAL
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CUNNINGHAM - ALL AMENDMENTS TO FSAR AND CHANGES TO TEC NOTES:
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1.
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ISSUANCE OF OPERATING LICENSE.
GFMERAL DISTRIBUTION FOR AFTER (DISTRIDUTION CODE AOO1)
ORB!t4 DC**LTR ONLY(7)
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FOR ACTION:
DisM;tt NRC PDR**LTR ONLY(1)
REG FILE
- TR ONLY(1)
OELD**LTR ONLY(1)
Ii4 T ERN AL:
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R ONLY(2)
CORE PERFORMANCE BR**LTR ONLY(
HANAUER*MLTR ONLY(1)
ENGINEERING BR**LTR ONLY(1)
AD FOR OPER TECH **LTR ONLY(1)
PLANT SYSTEMS BR**LTR ONLY(1)
REACTOR SAFETY BR**LTR ONLY(1)
EFFL'JENT TREAT SYS**LTR ONLY ( 1l EEDerLTR ONLY(1)
J.
MCOOUGH**LTR ONLY(1)
EXTERNAL.
LPDR'S UALHALLA, SC**LTR ONLY(1) l TIC **LTR ONLY(1)
NSIC**LTR ONLY(1)
ACRS CAT B**LTR ONLY(16) 44$$$$$$$$$$$$1$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
CHECK NER: 196.101
$4,000.00 AMOUNT:
+
CHECK AND COPY OF TRANSMITTAL LTR ADVANCED G
TO W.
MILLER (LFMB) (06/14/78) UPON RECIEPT i
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CONTROL NBR:
781650062 DISTRIBUTION:
LTR 40 ENCL 0 SIZE: 2P
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.we SouT n Cucucu STwrr.T, CHAHU)TTE. N. C. ene.se June 8, 1978 Tt6trao%t. Anta 704 wai,- o e u ca.sa.
373-4083 l
V cr Pas siorest S*taan Peoovctices L
Mr. Edson G. Case, Acting Director l
l Office of Nuclear Reactor Regulation f3 U. S. Nuclear Regulatory Commission 1
Washington, D. C.
20555 t
i;j Oconee Nuclear Station, Unit 3 r)
Reference:
i, Docket No. 50-287 u
a l
1
Dear Mr. Case:
My letters cf April 14 and 21 addressed an apparent error in the B&W small 1
Statiot-and corrective actions break ECCS a'alysis applicabic to Oconee Nuclect which had leen implemented to assure continued safe operation of the Oconce j
units.
is our understanding and position that Oconee can continue to be operated at ltfull rated power (2568 MWt core power) safely and in full compliance with the in order to assure this, however, certain prompt provisions of 10CFR50.46.
operator actions would be required following a postulated small break LOCA, Specifically, the HPI pump B-C j
assuming various worst case single failures.
discharge header cross-over valves (HP-ll6 and HP-ll7) and the HPI injection line A engineered safeguards valve (HP-26) must begin opening within five min-utes of actuation of the engineered safeguards system and must be fully open Procedures have been established to assure within an additional ten minutes.
in turn, assures that adequate timely that this requirement is met.
- This, flow to the core is provided.
20, 1978, a facil-In addition to the amendment proposed by our letter of April 27, 1978 to require the ity operating license amendment was submitted on April procedures necessary to implement the actions discussed above.
In response to these submittals the Commission issued an Order of Modification I
of License which amended the Oconee Nuclear Station Facility Operating Licenses This order stated that operation in accordance with the on April 26, 1978.
operating procedures specified would assure that the ECCS will conform to the i
performance requirements of 10CFR 50.46 (b) and that such procedures provide reasonable assurance that the public health and safety will not be endangered.
-vewan f9 0 s
Mr. Edson C. Case, Acting Director Page Two June 8, 1978 an analysis of small breaks in the reactor coolant pump dis-On May 15, 1978, This analysis indicated that the ECCS cooling charge piping was submitted.
performance calculated in accordance with the B&W Evaluation Model for opera-and with tion of Oconee units at the rated core thermal power of 2568 MWt, 21, 1978, is wholly in operating procedures described in our letter of April conformance with the provisions of 10CFR 50.46.
it is also Pursuant to the April 26, 1978 Order for Modification of License, 21, 1978 a proposed corrective action for this our intent to submit by July particular concern which will place less reliance on the high state of operator At that time a schedule for implementation will readiness currently required.
be provided.
Subsequent to the above communications the staff requested on June 8, 1978, that for exemption from 10CFR 50.46 or provide an Duke Power Company file a request 4
acceptable ECCS in order to support the licensing of Oconee Unit 3 for Cycle operation.
the Oconee ECCS is currently accept-While it continues to be our position that able and wholly in conformance with 10CFR 50.46, further improvements to the in res-ECCS prior to the startup of Unit 3 would not be feasible. Therefore, to 10CFR 50, 550.12, it is hereby re-ponse to the staff request and pursuant quested that an exemption be granted to the provisions of 10CFR 50, 550.46, and that Oconee Unit 3 be licensed to operate at full rated core thermal power Please find attached a check in the amount of $4,000 which represents (2568 MWt).
the license fee for one Class III exemption request.
Very truly yours, bC &
7y d'$
4.-,
William O. Parker, Jr.
0 RLG:ses Attachment