ML19291D747
| ML19291D747 | |
| Person / Time | |
|---|---|
| Site: | Indian Point  |
| Issue date: | 08/02/1973 |
| From: | Oestmann M US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Knighton G US ATOMIC ENERGY COMMISSION (AEC) |
| References | |
| NUDOCS 8111200054 | |
| Download: ML19291D747 (2) | |
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k'. Kaighton, Chief, Environnental Projects Erar.ch Do,1, L 3.J.
P.'.0 POSED LICEf 5E ran gg; STEADY-STATE OPERATION AND 100% TESTI"3 3
OPERATIrv 0F I DI AN POINT U1IT N1 2 In reference to the July 27, 1973, notion to the ASLB by Consolidated b
Edison to opercte Indian Point Unit No. 2 un to 501 steady-state W,
pn.er end testing uo to 100% power, we would have no objection in view of the staff's evaluation of the environ wtel inpact up to
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100% steady-state power as presented in the FES and as discussed in D;j the hearings on environmental issues from December 4,1972, until the close of the hearing on April 25, 1973.
However, we would like tr T.
knew the length of time /cendment th. 3 to facility Operating License
<o. "PP.-?E vauld be effective. k'e bMisve thst the rew OL sFould be T>
effective for nn longer a reriod then three mnths to allow tM tSLB
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time to issue th9 Initial Decision and to heve parties file exceptions ur to the Decisien to the TSLAP. Our concern is that such a license 7
cMd be drmed out for sone indsfinite reifred of tine before the
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full po'.er licenso wuld be issued, particularly in view of the ex-Meted exceptions to the decision which will be filed by the parties, c
Of concern is the thermi nonitoring progran since at this tire a steady-state heat load would be placed on the river et a criticel tie of the s
2 year. The present environacntal technical specifications (Appendix B) issued fer the testir.g license does not include such a program, particu-d larly since in the stipulation (Tr 9853 and Tr 9954) entered into by all the parties, this effort was deleted as requested by A. Macbeth, HRFA's attorney, and ordered by the AELB.
Ve are cencerned at thin tine, that since Con Ed will operate at reduced flows, the LT across the condenser 3
could exceed 15'T when the power level approaches or exceeds 50% of
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rated pcrer and the temperature of the thernal discFarce could exceed g
the 03*F temperature criteria unicss a 10 fps (1.7 ft head in the dis-6 charge Can51) is maintained. Themal shock to fish resulting eventually Q
in a fish kill cculd rtsult if tenceratures cf the vater were creater than 50*r.
r The other concern is that a condition be placed on the' /rendment No. 3 1
that Con Ed meets all applicable State and Federal water o,vality standards 2,
and thermal criteria. At this-tine the NYS has granted'a conditional' interim water discharge permit under Section 401, but ia a letter d.
dated June 26, 1973, to Con Ed, the NYS stated its concerns that approval cannot be cranted for full power operation until changes are made in
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the April 30, 1973 ETS from Con Ed.
In this letter the NYS states 3"
that a discharge velocity of 10 fps (1.73 ft head in the discharge canal) shall be maintained at all time to assure compliance with the thenral l
criteria. The discharae structure desica was annroved by NYS. in which the 10 fps was the deternining factor in the design of the submergep 4
"* discharge struc;tura.
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- G. W. Knighton Furthermore, in vie. of the fact that the adjustable gates (steel 4
plates) over the ports in the di; charge structure were buckled and stuck when the Unit No. 2 circulating water pumps were turned on and could not be adjusted as required to maintain a 10 fps discharge velocity, we should require a letter from the applicant to describe the I
damage done and to provide assurance that the repair work on this aspect of the discharge structure be completed before the Ameainent No. 3 I believe that Con Ed should prepare a report to the be issued.
ASLS based on the requirements for reporting in the testing license ETS the causes of the damage to the discharge structure, plans, dates We want some and status of the repair work bafore an OL be issued.
definite assurance that the sheet piling wall will not collapse with flow of the circulating puTps, either at reduced flow or at full flow, and the gates will not buckle but can be adjusted as required to maintain the 10 fps discharge velocity. Apparently with the leakage around
- First, the plates, it is very difficult to naintain this velocity:
the necessary turbulent mixing of the thermal discharge with the river water will not occur as required and as a result, according to our therml hydrological analysis, the 90*F thermai criteria will not be met at this tine of the year when they operata at 50% power Actual temperature measuraments of the plune and reduced flow.
within about 300 feet of the outfall should be made.
- 1973, I learned about this damage to the discharge structure on July 6 3
in a phone conversation with NYS Department of Environmental Conserva-During our meeting on this matter with Con Ed on July 20.
tion.
Con Ed told us about the reduced flow "to protect the fish and that the plant will be derated."
On Monday, July 23, 1973, I called Leo Higgenbotham, RO, to request att inspection of this matter.
I wanted to make sure such an event was This inspection occurred on July 24 properly inspected and reported.
and my suspicions from the July 20 meeting with Con Ed were confirmed.
26, 1973, *,on Ed told me about what had happened and what j
On July Apparently when the Unit No. 2 i
was being done about the repair work.
pumps were turned on, the gates were adjusted for only the Unit No. 1 The head reached 5 feet above the river level and the p
pu p flow.
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steel plates buckled and the sheet piling started to collapse.
the repair work is on an expedited scale so as to operate at full flow.
WI inst signon, C
M. J. Cest.7m.
M. J. Destmann, Project Manager Environmental Projects Branch No.1 Directorate of Licensing 9
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