ML18139B860
| ML18139B860 | |
| Person / Time | |
|---|---|
| Site: | Surry  |
| Issue date: | 04/21/1982 |
| From: | Varga S Office of Nuclear Reactor Regulation |
| To: | Leasburg R VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| References | |
| NUDOCS 8205030030 | |
| Download: ML18139B860 (3) | |
Text
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Docket Nos. 50-280 59-281 Mr. R.H. Leasburg e
APR 2 1 1982 Vice President - Nuclear Operations Virginia Electric and Power Company Post Office Box 26666 Richmond, Virginia 23261
Dear Mr. Leasburg:
Distribution:
Docket File NRC PDR Local PDR ORB #1 Rdg DEisenhut OELD OI&E (1)
DNeighbors CParrish NSIC ACRS (10)
JHeltemes Your letter dated March 25, 1982, provided a response to our request for additional information dated February 18, 1982, related to the Surry Power Station Inservice Inspection Program.
As discussed with your staff, we need further clarification of your March 25, 1982 response.
It is requested that you respond to the enclosed request for additional information within 30 days of receipt of this letter.
Enclosure:
Request for Additional In formation cc w/1encl :
See next page R20508aa~~
Sincerely, G::
J ~~ t*~~*
iJV
~*{::~l:~~; jl~ ;~iarga
- *.,********111********** ******************o***** *********************e**
'NRC FORM 318 (10-80) NRCM 0240 OFFICIAL Rl!CORD COPY
- USGPO: 1981-335-960
,j
e Mr. R.H. Leasburg Virginia Electric and Power Company cc:
Mr. Michael W. Maupin Hunton and Williams Post Office Box 1535 Richmond, Virginia 23213 Mr. J. L. Wilson, Manager P. o. Box 315 Surry, Virginia 23883 Swem Li bra ry College of William and Mary Williamsburg, Virginia 23185 Donald J. Burke, Resident Inspector Surry Power Station U.S. Nuclear Regulatory Commission Post Office Box 166 Route l Surry, Virginia 23883 Mr. J. H. Ferguson Executive Vice President - Power Virginia Electric and Power Company Post Office Box 26666 Richmond, Virginia 23261 James P. O'Reilly Regional Administrator - Region II U. S. Nuclear Regulatory Commission 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303 *
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FURTHER REQUEST FOR ADDlTIOUAL I1ff0Rl*~TI0l~
JHSERVJCE WSPECTIO:~ PROGRAM SURRY 1 & 2 Your response., Serial No. 111. to the recent first Request for-Additional lnfonnation has prompted the need for further inforn1ation:
- 1.
- 2.
- 3.
Regenerative Heat Exchanger is a -Class 1 co:nµonent in Surry Unit 2 and a Cl ass 2 component in Surry Unit 1.
In your 12/15/80 sub:nittal,you proposed to "examine 10~ of one weld volumetrically when practical" for the Class 2 vessel (Note 3). but no such examination for the Class 1 vessel.
The intent of our Question l in the first RAJ, particularly Question l(c),was to develop the basis for a cpnsistent position on whether a portion of one,.,.eld or" an entire weld ought to be inspected periodically. Except for your response to Question l(d) for Unit 2, thc:rc was no indication as to relative exposure f1-o:n inspecting part of one. all of one, or part of all the welds.
Please c1Drify.
In your.response to the same Question J. you continue to emphasize that the regenerativa heat exchanger is "in a system in,*:h1ch all tha piping 1*:elds are exempt fro;n examination by JHC-l220(d)".
If you can develop the position that a weld. failure in this heat exchanger is no more severe than a piping weld failure and that the ma~eup system operating on on-site po\\*1er can keep up with the coolant loss fro:n such*a failure, this position could provide an important basis for granting this relief request.
Please respond.
In Serial Ho. 111., you gave identical responses to Question 3 on Unit 1 and Question 4 on Unit 2.
Please clarify the follo,,1ing pc,ints:*
(a)
(b)
(c)
In these responses, rou indicated that you did not know the total number of Item C2.l h~lds t~erc ~ltrasonic examination cannot be.
performed on 100~ of the welds and heat-effectiv~ zone.
The response casts so:uc doubt as to the status of the lists of such welds \\*:liich you p1~ovided with your 12/15/00 'sub:nittals.
Please cla1"ify.
In Surry Unit l, that list is given in l~ote 11 of the Class 2 component notes.
If that -list is still valid, then provide for the RHn and SlS syste:ris some better description of tl1e \\'.1elds (in-cluding dra\\*1ing *nu1:1l>crs) so that \\*,*e can uniquely distinguish !Jet\\*:een *.
various welds, such as \\*,*cld 15 in Items (vi) and (vii).
Pl ease pro vi de the basis for tl1c statement in those ans1-:ers "that this. 1~e1icf request 1*Ji1l not be required,-:hen-Surry Units land 2 update to the later code edition.". With tha~ !Jasis you can, under the tenns of 10 crR ~0.55a(g)(4)(iv), now request to update to the requirements of the ncw~r*code.
In that case, no request for code rel icf is necessary at.this time.
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