ML20024E013

Responds to FOIA Request for Access to All Matl Re Paragraph IV.A.2.C of App G to 10CFR50 Between Apr & Sept 1981 & Suppression Pool Temp for Facility.Addl Info in Encl to Document 7 of App a to May Be Disclosed

ML20024E013
Person / Time
Site:	Shoreham File:Long Island Lighting Company icon.png
Issue date:	06/07/1983
From:	Felton J NRC OFFICE OF ADMINISTRATION (ADM)
To:	Hafner B AFFILIATION NOT ASSIGNED
References
FOIA-82-455, FOIA-82-471, FOIA-82-479 NUDOCS 8308090031
Download: ML20024E013 (2)

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UNITED STATES

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a WASHINGTON, D. C. 20555

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JUN 7 1983 Mr. Bill Hafner IN RESPONSE REFER 54 Robinwood Street TO FOIA-82-4d57,9 Mastic, NY 11960 82-471 AND 82-47

Dear Mr. Hafner:

By letter dated March 17, 1983 I responded to your letter of December 2, 1982 regarding the response NRC provided to F01A-82-445, F0IA-82-471 and F0IA-82-479. Three documents listed on Appendix A to that letter were withheld from disclosure because the. licensee considered the information confidential business (proprietary) information.

We have consulted with the licensee regarding the proprietary claim and have concluded that additional information in' the enclosure to document 7 of Appendix A of my March 17, 1983 letter may be disclosed. A copy of the additional disclosed information is enclosed.

This completes action on your request.

Singer ly,

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. h. Felton, Director Division of Rules and Records Office of Administration

Enclosure:

As stated l

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8308090031 830607 PDR FOIA HAFNER82-455 PDR L

Re:

F01A-82-4(5(02-471 and 82-479 APPENDIX A 1.

6/3/75' Letter from A. W. Wolford to J. F. Stolz (FOIA-82-445)

2.. _5/29/81 Letter from J. P. Novarro to Harold Denton (F01A-82-471)

' 3.

8/31/77 Letter from Karl Kniel to Andrew W. Wol' ford - Enclosure is Proprietary (F01A-82-479)

- 4.

9/6/77 Letter from E. D. Fuller to Olan Parr - Enclosure is Proprietary (F01 A-82-479),

5.

9/26/77 Letter from T. J. Burke to Karl Kniel (F0IA-82-479) 6.

12/.16/81' Letter from J. L. Smith to Harold Denton (F01 A-82-479) 7.

3/31/78 Letter from L. J. Sobon to John F. Stolz - Enclosure is Proprietary (F01A-82-479) 8.

Suppression Pool. Temperature Limits for BWR Containments (NUREG-0783) 9.

Excerpt from Safety Evaluation Report (NUREG-0420 -

Supplement No. 1) for the Shoreham Nuclear Power Station h

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Bill Hafner 54 Robinwood Street Mastic, NY 11950 29 September 1082 US mclear Regulatory Commission EREEDOM OF INFORMATION Office of Administration ACT REQUEST Attn :

dashington, DC 20$$5.

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Dear Sir /Ms,

thder provisions of the Freedom of I am requesting access to all naterial Information Act, 5 USC $52, etc ) pertaining to paragraph IV. A.2.c of Appendix G(letters, notes, memorandum, T-sr Shoreham unit no.1 10 CFR 50 and 01 September 1c81, (Docket no. 50-322 ) between,01 April 1c81 I request that staff identify the document in questionFbr those d ified title, letter from person-x to person-y (i.e. un,clas s-i document in question, and the reason why acces,s is being denied etc), the date of the Regarding the necessary fees incurred in the process no need to contact me provided those fees do not exceed,$100.00 there is Thank you for your cooperation on this matter and if there are any questions on the natter feel free to contact me during normal business hours at (516 ) 281-6c46.

i Sincerely,

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Bill Hafner un the following material is not requested:

1 Ictter from G.G. Sherwood to 0.D. Farr,13 November 1978 2.

G.E. topical report NEDC-21778 s.

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Bill Hafner 54 Robinwood Street Mastic, NY 11950 06 October 1982 EREEDOM OF INFORMATION US Nuclear Regulatory Commission ACT REQUES Washington, DC 20555

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Freedom of Info rmation Ac t Reques t

Dear Sir /Ms,

lhder provisions of the Freedom of Information Act, 5 USC 552, I am requesting access to all material etc ) pertaining to Suppression Pool temperature for Shoreham unit (letters, no. 1 inclusive.(Docket 50-322) from 30 August 1977 to 01 December 1977 Pbr those document which are classified as not releaseable, request that staff identify the document in question I

(i.e. title, letter from person-x to person-y, etc )

in question, and the reason why access,is being denied.the date of the document Regarding the necessary fees incurred in the process, there is no need to contact me provided those fees do not exceed $100.00.

'Jhank you for your cooperation on this matter and if there are any questions on the matter feel free to contact me during normal business hours et (516 ) 281-69h6 Sincerely, vs-Bill Haber emm-

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Docket No. 50-322 JCSnell JRBuchanan, NSIC JLee *<M TBAbernathy, TIC LWR #2 File

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Long Island Lighting Company.

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ATTH: tir. Andrew W. Wofford:

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175 East Old Country Road,

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SUBJECT:

REQUES1 FOR ADDITIONAL INFORMATION - SUPPRESSICN POOL.

TEMPERATURE LIMIT. -(SHOREHN1 RUCLEAR POWER STATION)

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During safety / relief valve operation, steam quenching instability occursi

. (

when the suppression pool water is at an elevated temperature, which

'l, ind6ces severe vibratory loads on the containment stru,:tures. General Electric has proposed (letter dated December 20, 1974, I. F. Stuart to E. G. Case) a technical specification of. suppression pool temperature limits that requires operator actions to limit the bulk pool temperature below 160 cegrees Fahrenheit. This limit was established on the basis of experiments performed in a foreign country.

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Currently, we are reviewing the adequacy of the pool temperature limit 4

for all.B.JR containments. To date, we have issued a request for additional ~

information on HE0E-21078-P,." Test Results Employed by GE for BWR Contain.

ment and Vertical Vent Loads.". This report contains the justification for

.i-tne preposed pool tecperature limits.

Since the referenced report has been

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classified as proprietary under our rules and since.we have detereined that 4J.

these requests are proprietary, they;are,therefore, being withheld froo

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puoiic disclosure

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Wa are enclosing the ccmplete request for additional information in order to keep you fully informed. Responses to Questions 1, 2, 4 and 5 will be provided by the General El.ectric-Company. Question 3, however, is plant specific and cust be.adcressed by you.

Please advise us within seven days after receipt of thi$ letter ~.of the

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scheouled date for your response..

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[,uest for Additional Informati[

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Suppressi6n Pool Temperature Limit I

During safety / relief valve oper'ation, steam quenching instability occurs when the suppressio,n pool water is at an elevated temperature and,, induces severe vibratory loa,ds on containment structures.

To avoid the vibratory ' 'r loads, the suppression pool should be. limited below a certain temperature Ihreshold.

GE has proposed a 160 F temperature limit for the suppression pool..

\\.8 The General Electric Company submitted the topical report flEDE-21078-P,

" Test Results Employed by GE for BWR Containment and Vertical Vent loads,"

to support the proposed pool temperature limit.

We believe that your plant intends to follow the GE recommendation Therefore, the following f

additional information should be provided.to Justify the limit.

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l Provide figures showing reactor pressure, ramshead mass flux and 3.

suppression pool temperature versus time for the following events:

(a) a stuck-open SRV during power operation assuming reactor scram

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at 10 minutes after pool temperature reaches 110 F and all RHR

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system operable; (b) same as event (a) above except that only one RHR train

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available;

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'(c) a stuck-open SRV during hot standby condition assuming 120 F pool temperature initially and only one RHR train available; (d) the Automatic Depressurization System (ADS) activated I

following a small line break assuming an initial pool temperature.

of 120 F and only one RHR train', available; (e) the primary system is isolated and depressurized at a rate of 100 F per hour with an initial pool temperature of 120 F and only one RHR train available.

'l Provide parameters such as service water temperature, RHR heat i

exchanger capability, and initial poo.1 mass for the analysis.

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With regard 'to the pool; tem'perature limit, " local" and bulk"

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pool temperatures have bec,n quoted in ~various sections of; Chapter 4-of HE0E-21078.

For cl'ari,fication, provide the following,additioilal y*

informa tion.

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(a) Provide defini. tion of these two terms and their application-to

, the scaled testlacilities and to an actual containm,ent.

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,'(c) Based on the definitio'n' given by (a)'abovec define the tepperature,s I

I scale of Figures 4.3-1 thru 4,3-3 in tenns of the suppression pool temperature for aii a'ctual containment.

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5. ' Sec,tions 4.1.1.3 and 4.3.2!3' describe some operational experience of.

SRV events at elevated pool-temperature in domestic plants.

Provide A,

the following additional infopationi' s

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(a) Describe in' greater detailthe. sceiiario of hvents including:

v name of the plant, time history of reactor pressure and' pool i

temperature, and operator actions following th'e incident.

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(b) Describe the suppression poolitemperature monit"oring sys' tem x

and the location, of temph,uture sensors' relative to the SRV discharge.

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l' Bill Hafner 54 Robinwood Street Mastic, NY 11950 22 September 1982 l

US Nuclear Regulatory Commission FREEDOM OF friFORMAT10N Attn : Office of Administration ACI REQUEST Sgggg dashington, D 20555 7 10 d 9~*L)~?L Freedom of Information Act Recuest

Dear Sir /Ms,

L Under provisions of the Freedom of Information Act, 5 USC 552, 1 am requesting access to all material (documents, memorandum, etc ) w:s pertaining to Suppression Pool Dynamic Ioads for Shoreham unit 1 (Docket no. 50-322 ) from 18 April 1975 to 31 December 1975.

For those documents which are classified as not releaseable, I request that staff identify the document in question (i.e. unclass-ified title, letter from person-x to person-y, ete ), the date of the document in question, and the reason why access is being denied.

i-n Regardin6 the necessary fees incurred in the process, there is no need to contact me provided those fees do not exceed 4100.00.

'Ihank you for your cooperation on this matter and if there are any questions on the matter please feel free to contact me during normal business hours at (516) 281-6946.

Sincerely, LL Bill Haf per n

m> 1he Dynamic Fo rcing Flinc tion Information Repo rt, NED0/NEDE 21061, submitted in Ibvember 1975, is not requested.

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