ML19340E891
| ML19340E891 | |
| Person / Time | |
|---|---|
| Issue date: | 12/11/1980 |
| From: | Hanrahan E NRC OFFICE OF POLICY EVALUATIONS (OPE) |
| To: | Ahearne J, Gilinsky V, Hendrie J NRC COMMISSION (OCM) |
| Shared Package | |
| ML19340E885 | List: |
| References | |
| NUDOCS 8101160135 | |
| Download: ML19340E891 (13) | |
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UNITED STATES NUCLEAR REGULATORY COMMISSION c.
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December 11, 1980 MEMORANDUM FOR:
Chairman Ahearne Comissioner Gilinsky Comissioner Hendrie Comissioner Bradford FROM:
Edward J. Hanraha
SUBJECT:
CONTINGENCY PLANNING Attached is a proposed response to DOE's letter of November 3.1980 requesting the Comission to name a contact for contingency planning in the event of an oil shortfall emergency.
In addition, the Comission was asked to respond to a number of questions concerning operation of nuclear plants in the event of an emergency. Answers to the questions have been coordinated with OGC and NRR.
The draft letter also mentions the OGC effort (initiated by Comissioner Gilinsky's meu -* necember 5, 1980) to examine the possibility of seeking chang' he law to pennit interim operation of nuclear plants.
It seems to ms
..at there is one further point the Comission could explore: A detailed estimate of the additional capacity available if plants were permitted to operate at their maximum capability.
While everyone believes this additional amount is small, there are no quantitative estimates readily available based on a plant-by-plant analysis.
You should direct MPA and NRR to prepare such an estimate.
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Attachment:
As stated i
l cc:
Leonard Bickwit Sam Chilk l
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Contact:
George Eysymontt, OPE 63-43276 i
8101160 h l
s DRAFT Barton R. House Deputy Administrator' Operations and Emergency Management Economic Regulatory Administration This is in response to your letter of November 3,1980 requesting that the Commission establish an individual as a contact to assist in contingency planning in the event of an oil shortfall emergency. The Commission's contact is Mr. Edward J. Hanrahan, Director Office.of Policy Evaluation (telephone:
634-1417).
In addition, you requested answers to specific questions con'nected to various nuclear strategies. These are provided in the enclosure.
You should be aware that the Commission is reviewing what changes in the law might be desirable to permit interim operation of nuclear plants in the event of a national emergency. We will apprise the Department of Energy of the result of this review.
i Sincerely, John Ahearne Chairman
Enclosure:
Q.
Actions to revise the scheduling of nuclear unit outages (maintenance or physical modification) may require the coordination with neighboring utilities and the involvement of the NRC. What steps would the NRC be able and willing to take to assist with outage rescheduling?
A.
The NRC does not have any role in the scheduling of outages for nomal maintenance or physical modifications and consequently we are not. in position to assist with outage rescheduling.
However, on occasion the Comission has taken the power supply situation in a given power supply region into account when ordering shutdowns (e.g., the. sequential shutdown of Oconee 1, 2, and 3 to effect TMI-2 related modifications) and woult be prepared to consider thi: approach if power shortages were likely as a result of an oil shortfall emergency.
Q.
Actions to expedite startup of new plants would necessarily involve the NRC. What steps could the NRC take to expedite the startup of new plants? How would these steps change as the severity of the oil shortfall increased?
A.
As a matter of policy the Comission has directed that high priority within the reactor licensing activities of its Office of Nuclear Reactor Regulation be given to operating license reviews. Major emphasis is placed.on th'e applications of those utilities whose plants are closest to completion of construction.
On the basis of current information, of. 58 plants under construction and expected to be in operation by 1985, we estimate that only five plants will be physically completed and ready to operate prior to an NRC decision on issuance of an operating license (see Table 1 attached).
This assessment is based on NRC's latest projections of completion of construction and assumptions concerning the length of time required for public hearings and subsequent Comission actions on these plants.
l There are three basic reasons for the delays in the five plants:
heavily contested hearings; lack'of NRC technical staff to deal with the numerous seismic issues; lack of compliance with NRC requirements.
NRC will continue to give priority review to plants nearing completion of' construction. The Commission is also examining the issue of what changes in the law might be desirable to permit interim operating licenses in the event of a national emergency.
Q.
Operating restrictions imposed by the NRC licensing process can be an impediment to achieving full power output from a nuclear unit.
Can the NRC issue license amendments to individual units to relieve,
these restrictions? In what time frame and through what mechanism could this be accomplished?
A.
We are not aware of operating restrictions on any plants which would have significance in terms of oil substitution. License amendments to individual units could be issued to relieve restrictions, if necessary, provided that there are no significant health and safety implications and that there is an opportunity for hearings.
Q.
Are there licensing changes that could assist various nuclear power plant strategies, as discussed, that could be accomplished through a change in Federal regulations? Does NRC have the. authority to make these changes?
A.
There are three nuclear " strategies" implicit in your questions:
outage rescheduling; expeditied startup; and removal of operating restrictions.
NRC does not believe that it is appropriate for it to coordinate nonnal maintenance outages with other utilities in order to maximize oil savings.
This would be more appropriate for ERA.
Startups might be expedited if
legislation were enacted to permit start of operation in parall'el with hearings, provided certain health and safety findings had been made by the staff. As for the removal of. operating restrictions, the Comission does not believe that'11fting such restrictions would have any signi-ficant impact on oil savings.
Q.
How could the license changes that require the performance of fuel and accident analysis on the part of the utilities be expedited?
A.
To our knowledge these analyses have never significantly affected the annuhl capacity factor of operating nuclear plants. ' If the license changes due to fuel reload are determined not to involve an unreviewed safety issue, no NRC approval is required (see 10 CFR 50.59).
Q.
What changes to Federal regulation of nuclear power will be warranted or possible by various levels and durations of an oil import inter-ruption emergency?
A.
In general, the review of operating license applications proceeds in parallel with construction.
the NRC gives highest priority to applicants whose plants are nearing completion.
It has no ability to expedite actual construction and is required by the Atomic Energy Act to grant a license only if it finds that the public health and safety will be adequately protected. Any changes to Federal regulations to expedite reactor operation should recognize that there is a risk associated with granting an interim operating license which must be balanced against the risks posed by an oil shortfall emergency.
4 Q.
In cases where nuclear plant outages involve maintenance of safety-related equipment or NRC-ordered inspections and testing, what actions can be taken to reduce the duration of such outages?
A.
Providing extensions to the time allowed for completing NRC required inspections, ' tests or modifications could improve plant availability for the interval of an oil availability crisis.
Some overall gains in plant availability may also be possible by granting extensions to a subsequent refueling outage through improved outage planning.
In such cases substantial extensions of a year or more would have to be weighed carefully in tenns of the risk of operation during the interim until the inspections, tests or modifications are completed.
In our view there are no s.ignificant improvements to be gained in plant availability within the licensing basis of each facility related to outages for maintenance of safety-related equipment.
Q.
Are any mechanisms in place which would permit operating nuclear units at increased power levels in the event of an emergency?
If not, j
would it be appropriate to do so?.
A.
For plants that are not licensed to operate at their ultimate power level, licensees can submit an analysis of operating at the increased i
power level for staff review.
Upon completion of staff review and any hearing which might be requested operation at the higher power level can be authorized.
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F00TNOTES FOR TAELE 1 h
E Denotes estimated date Date entered is for last supplement to SER/FES issued.
o Where two entried are made, first entry concerns radiological safety matters and second concerns environmental ratters. A single entry indicates Hearing and/or ASLB decision considered both radiological and safety matters.
The applicant's estimates for.constnaction co=pletion are based on responses to the NRC request in a letter to all applicants da+Jd The difference in estimates for construction co=pletion, July 11. 1980.
between the applicant and HRC. is attributable to an independent assissment by the HRC staff of factors affe: ting construction ce=pletion.
. Generally, the NRC staff estimates ar6 more conservative,(i.e., later completion dates) and are based upon actual experience in constructing similar plants.
Second unit of a dual unit facility ir usually completed about 18 months after first unit.
~
(CP)
Denotes low power (Fh)
Denotes f'ull power
~
Environmental reviews for Sequoyah 1 and 2 were conducted under a lead '
(i).
TVA's final environmental s'a' aments (FES) agency agreement with TVA.
incorporated and addressed the AEC's coments on the respective draft The FES's were then accepted as the NEPA sta' aments for the s'atements.
project.
Schedule shown for H:Guire 1&2 assumes hearing record will not be reopened (2)
If ASLB reopens record, full power OL issuance ney be for TMI-2 issues.
delayed.
l TVA's FES for Watts Bar 1 and 2 were considered to be the environme (3)
NRC then issued its own DES and FES for the I
report submitted to NRC.
project.
For the environmental review, the following increments were used in developing schedules:
5 months A.
DES to FES B.
FES to start of environmental hearing 2 months 2 mon %s C.
Duration o'f hearing 2 months D.
End of hearing to Decision Schedules for near tem OL's were adjusted on a plant specific basis.. -
1 M
O
('
s, AssUP;TIONS USED'FDR PROJECTING TARGET SCHEDULES *-T ;!,,
Target schedules were developed beginning with the NRO estimate-for construction -
-n:
cc:::pletion date. This co=pletion date was assumed to coincide:with the i
cperating license issue date.
From this date, the schedule was; developed using the following increments:
~
1 month A.
- 2 nonths
~
B.
ACP.S to SSER issued SSER to start of hearing,for a plant with...
C.
O month (1) ' No hearing (2)
Moderately contested hearing 1 month 2 months' t
(3)'
Heavily contested he,aring D.
Hearing duration 0 month (1)
He hearing 2 months (2)~
Moderately contested hearing 4 conths
.(3)
Heavily contested hearing E.
End of hearing td ASLB Decision O month (1)
No hearing 2 acmths (2)
- Moderately contested hearing (3).
Heavily contested' hearing 3 months F.
Decision to Ccecission action 1 months (1)
No hearing (2)
Moderately contested hearing 2 months 3 months (3)
Heavily contested hearing
.a ew MaAm
,