ML20004D998
| ML20004D998 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 06/01/1981 |
| From: | Crutchfield D Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML17193B459 | List: |
| References | |
| NUDOCS 8106100511 | |
| Download: ML20004D998 (2) | |
Text
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+f'pua..$0 UNIT ED STATES vn 8
NUCLEAR REGULATORY COMMISSION g
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WASHINGTON. D. C. 20555 j.g.
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..._f COMMONWEALTH EDISON COMPANY
-d DOCKET NO. 50-237 DRESDEN STATION, UNIT NO. 2 l
AMENDMENT TO PROVISIONAL OPERATING LICENSE Amendment No. 61 License No. DPR-19 1.
The Nuclear Regulatory Commission (the Commission) has found that:
A.
The application i,, amendment by Commonwealth Edison Company (the licensee) dated May 24, 1981 as supple-l mented May 27, 1981, complies with standards and requirements of the Atomic Energy Act of 1954, as amended (the Act), and the Commission's rules and i
regulations set forth in 10 CFR Chapter I; B.
The facility will operate in conformity with the application, the provisions of the Act, and the rules and regulations of the Commission; C.
There is reasonable assurance (1) that the activities authorized by this amendment can be conducted without endangering the health and safety of the public, and (ii) that such activities will be conducted in com-pliance with the Commission's regulations, i
D.
The issuance of this amendment will not be inimical to the common defense and security or to the health and safety of the public; and E.
The issuance of this amendment is in accordance with 10 CFR Part 51 of the Commission's regulations and all applicable requirements have been satisfied.
I 2.
Accordingly, the license is amended by the addition of Paragraph 3.M to Provisional Operating License No. DPR-19 to read as follows:
t 8106100f//
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. P,rovisions to allow operation with one recirculation loop _out M.
of service for a period not to exceed four weeks:
1.
The steady-state thermal power level will not exceed 50% of rated The Minimum Critical Power Petio (MCPR) Safety Limit 2.
will' be incre sed.C3 to 1.10 (T.S.1.1.A and 3.3.5C) 3.
The MCPR Limiting Condition for Operation (LCO) will be increased 0.03 to 1.27 and 1.34 for 7x7 and 8x8 fuel respectively (T.S. 3.5.K) 4.
The Minimum Average Planar Linear licat Generation Rate (MAPLHGR) limits will be reduced by 0.7 for all fuel types (T.S. reference 3.5.1) 5.
The APRM Scram and Rod Block Setpoints and the RBM Setpoints shall be reduced by 3.5% to read as follows:
T.S. 2.1.A.1 S
.58 WD + 58.5' T.S. 2.1.A.l* -S - (.58 WD + 58.5)
FRP/MFLPD T.S. 2.1.B S -.58 WD + 46.5 T.S. 2.1.B*
S - (.58 WD + 46.5)
FRP/MFLPD T.S. 3.2.C.
(TABLE 3.2.3):
APRM Upscale (.58 WD + 46.5)
FRP/MFLPD RBM Upscale 65 WD _ 38.5 6.
The suction valve in the idle loop is closed and electrically isolated until the idle loop is being prepared for return to service.
7.
APRM flux noise will be measured once per shift and the recirculation pump speed will be reduced if the flux noise averaged over 1/2 hour exceeds 5% peak to peak, as measured on the APRM chart recorder.
The core plate delta p noise will be measured once per 8.
shift and the recirculation pump speed will be reduced if the noise exceeds 1 psi peak to peak.
3.
This license amendment is effective as of the date of issuance.
FOR THE NUCLEAR REGULATORY COMMISSION Dennis M. Crutchfi d,
ef Operating Reactors Bra h #5 Division of Licensing Date of Issuance:
June 1, 1981
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