ML19275B003
| ML19275B003 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 02/13/1976 |
| From: | Reid R Office of Nuclear Reactor Regulation |
| To: | Arnold R METROPOLITAN EDISON CO. |
| References | |
| NUDOCS 7911070641 | |
| Download: ML19275B003 (4) | |
Text
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Distribution FES 13197c" NRC PDR JBuchanan Local PDR File ORB 4 Rdg KGoller/TCarte:
Docket No. 50-239 RIngram DBridges OELD OISE (3)
Metropolitan Edison Company BJones (4)
ATIN:
Mr. R. C. Arnold Vice President - Generation BScharf (15)
P. O. Box 542 O!cGough Reading, Pennsylvania 19603 SVarga ACRS (16)
OPA CMiles Gentlemen:
TAbernathy On January 15, 1976, the Comission issued Amendment No.10 to Facility Operating 1.icense No. DPR-50 for the Three Mile Island Nuclear Station, Unit 1.
Enclosed is a copy of revised Technical specification page 3-35 which may have been missing from your copy of this amendment.
Sincerely, Ofid"8gsi7_gd'N Robert W. Reid, Chief Operating Reactors Branch #4 Division of Operating Reactors
Enclosure:
Page 3-35 cc:
See next page
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UNITED STATES t.
NUCLEAR REGULATORY COMMISSION WASHINGTON, D. C. 20555 k *W #"
February 13, 1976 Docket No. 50-239 Metropolitan Edison Compar.y ATTN:
Mr. R. C. Arnold Vice President - Generation P. O. Box 542 Reading, Pennsylvania 19603 Gentlemen:
On January 15, 1976, the Commission issued Amendment No. 10 to Facility Operating License No. DPR-50 for the Three Mile Island Nuclear Station, Unit 1.
Enclosed is a copy of revised Technical Specification page 3-35 which may have been missing from your copy of this amendment.
Sincerely, lDr l} t.
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Robert W. Reid, Chief Operating Reactors Branch 84 Division of Operating Reactors Enciasure:
Page 3-35 cc:
See next page
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Metropolitan Edis
' Company Februa 13, 1976 cc w/ enclosures:
G. F. Trowbridge, Esquire Shaw, Pittman, Potts, Trowbridge 6 Madden Mr. Charles P. Hoy, Chairman Barr Building Board of County Cennissioners 910 17 th Street, N. W.
of Dauphin County Washington, D. C.
20006 Dauphin County Court House P. O. Box 1295 GPU Service Corporation Harrisburg, Pennsylvania 17120 Richard W. Heward, Project Manager Thomas M. Critnins, Jr.,
Safety and Licensing Manager 260 Cherry Hill Road Parsippany, New Jersey 07054 Mr. R. A. Heiss, Coordinator Pennsylvania State Clearinghouse Pennsylvania Electric Company Covernor's Office of State Mr. R. W. Conrad Planning and Development Vice President - Generation P. O. Box 1323 1001 Broad Street Harrisburg, Pennsylvania 17120 Johnstown, Pennsylvania 15907 Mr. Weldon B. Archart, Chairman Board of Supervisors of Londonderry Township 2148 Foxiana Road Middletown, Pennsylvania 17057 Miss Mary V. Scutharl, Chairran Citi: ens for a Safe Environment P. O. Box 405 Harrisburg, Pennsylvania 17108 Dr. Edward O. S, wart:
Board of Supervisors
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Londonderry Township R. F. D. #1 - Geyers Church Road
'N Middletown, Pennsylvania 170s/
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Government Publications Section 3
State Library of Pennsylvania Box 1601 (Education Building)
Harrisburg, Pennsylvania 17126 D
3 5 2,.5
. Centrol red ; 'itions:
a.
Operating red group overlap shall not exceed 25 percent,
+ 5 percent, between two sequential groups except for physics tests.
b.
Except for physics tests or exercising centrol rods, the control red insertion /vithdraval li=its are specified
\\>v on Figures 3.5-2A (for up to the centrcl rod interchense),
b Figure 3 5-23 (frc= centrol red interchange up to LLO e 10 full C3>
power days of operatien), Figure 3 5-2C (for after LLC 10 full pcwer days of operatien) fer four pu p cperatien, and Figure 3 5-2D,
t
- #Do for three or two pt p operatien.
If the centrol red pcsitic:
gp limits are exceeded, ccrrective measures shall be taken N
./i i= ediately to achieve an acceptable centrol red pcsiticn.
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' Acceptable centrcl red pcsitions shall be attained within O
four hours.
['b c.
Except for physics tests, pcVer shall net be increased
.c
G above the pcver level cutoff (See Figures 3.5-2A, 3 5-23
~jht and 3 5-2C) unless the xenen reactivity is within 10 percent d
- ,,%?D8+
of the equi ' 4'a d "- value for cperatien at rated power and asy ptotically apprcaching stability.
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Core 1: balance shall be tenitored on a =initu: frequency of once every tvc hcurs during pcVer operatica abcVe 40 percent'of rated pcVer.
Corrective reasures (reductica of i balance by AFSR =cvecents and/cr reductica in reactor pover) shall be taken to raintain cperatien vithin the envelope defined by Figure 3 5-2E.
- f the i balance is net within the envelope defined by Figure 3 5-2E, ccrrective reasures shall be taken to achieve an acceptable imbalance.
If an acceptable L: balance is net achieved within fcur hours, reacter power shall be reduced until inbalance li=its are
=ct.
c.
Safety red licits are given in 3.1 3 5 3 5 2.6 The centrol rod drive patch panels shall be locked at all ti=es vdth litited access to be authoriced b;* the superintendent.
3527 A power cap shall be taken to verify the expected pcVer distri-butica at periedic intervals of approxi=ately 10 full power days using the incere instrutentatien detection syste=.
~
Bases The pcVer-i= balance envelope defined in Figure 3 5-22 is based on ICCA analyses which have defined the tax'-"
'd ear heat rate (see Ficure 3.5-2F) such that
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the maxi =u: clad tenperature vill not exceed the Interim Acceptance Criteria.
j Operation cutside of the pcver i= balance-envelope alone does net censitute a situation that veuld cause the Final Acceptance Criteria to be exceeded should a LCCA cccur. The power imbalance envelope repre'sents the boundary of operatica i
Anendnent No. 10
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