ML20211F864

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Safety Evaluation Re Applicant 830715,0923 & 1104 Requests for Deviation from 10CFR50,App R,Section Iii.J Concerning Emergency Lighting. Request Approved
ML20211F864
Person / Time
Site: 05000000, Diablo Canyon
Issue date: 11/18/1983
From:
Office of Nuclear Reactor Regulation
To:
Shared Package
ML20209B094 List: ... further results
References
TAC-52060, NUDOCS 8702250221
Download: ML20211F864 (5)


Text

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l SAFETY EVALUATION REPORT DIABLO CANYON, UNIT 1 DEVIATIONS FROM SECTION III.J OF APPENDIX R AUXILIARY SYSTEMS BRANCH

_Emeroency Lichtina Requested Deviation The applicant requested approval for a deviation from Section III.) to the extent that it requires that emergency lighting units with 4t least an 8-hour battery supply be provided in all areas needed far operation of safe shutdown equipment and in access and egress routes thereto.

Discussion E ne r g e n c y lighting at the plant consists of three independent systems:

1.

Emergency AC Lighting Systen; 2.-

Emergency DC Lighting System; and 3.

Emergency Self Contained Lighting, Sealed Beam Lights with 8-hour battery supply.

Locations required for safe shutdown that are provided with self contained lighting units are listed in Section 4.1 of the July 15, 1983 Appendix R report.

In addition, the applicant evaluated other areas where credit was taken for manuat nn cation of equipment to achieve safe shutdown.

These locations are listed D o m.ro n g y._

2-in Section 4.2 of the Appendix R report.

They were evaluated for potential loss of the emergency AC Lighting system to determine if 8-hour' battery pack Lights were required or a modification of the ' emergency AC Lighting system was necessary to prevent fire damage.

As a result of that analysis, the applicant com-mitted in Section 4.3 of the Appendix R report to provide addi-tional battery powered emergency Lighting units or modify the AC system (b y protecting or rewiring circuits) in the areas which were found deficient.

In the remaining areas the applicant concluded on the basis of its analysis that the existing AC Lighting was sufficiently reliable to justify the absence of 8-hour battery powered lighting units.

Eyaluating The evaluation of the applicant's emergency Lighting system was based upon their submittals of July 15, September 23, and November 4, 1983.

The emergency lighting system at the plant consists of the three independent systems stated previously:

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4 3-The emergency ac Lighting system is powered from vital buses.

U p o.n loss of normal' power suppty to the vital buses, the emergency diesel generators wilL provide power to the vital buses.

Thus, the emergency ac Lighting system wilL be continuously energized.

The eme,rgency de lighting system is energized upon Loss of the.

J emergency ac Lighting system (station blackout) and is de-energized after a five-second d.eLays upon return of power to the emergency ac lighting system.

These Lights are powered from the non-vital station batteries a r.d w i l L provide sufficient emergency lighting for at least one hour.

The emergency setf-contained lighting units are located in various areas of the plant which may require lighting to achieve safe shutdown.

This Lighting is supplemental to the emergency Light-ing systems (discussed above) in order that Light would stilL be available should damage occur to the emergency lighting cir-cuits serving a particular area.

The emergency setf-contained Lights are energized upon failure of the emergency ac Lighting system and subsequently de energized when the emergency ac Lighting system is returned to service.

These lighting units are provided in the fotLowing areas:

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JLELA Fire Area /Inna.

Control Room CR-1 Fuel Storage and Preparation Area 3-R Containment Escape Hatch 1

Battery Rooms 6-A-1, G-A-2, 6-A-3 Cable Spreading Room 7-A Hot Shutdown Panel 5-A-4, elevation 104 Vital Switchgear Rooms TB-4, TB-5, TB-6 Auxiliary Feedwater Pump Rooms 3-Q-1, 3-Q-2 Diesel Generator Rooms TB-1, TB-2, TB-3 Dedicated Shutdown Instrument Panel 3-BB, elevation 100 480V Vital Switchgear Rooms' 5-A-1, 5-A-2, 5-A-3.

The appticant has provided the results of an analysis regarding the effects of fire on the emergency ac Lighting system which indicates that in the event of a fire, emergency lighting wilL be available in the necessary areas.

The applicant has stated that to ensure Lighting along the entire access and egress routes, emergency ac Lighting circuitry affected by the fire wiLL not affect other emergency ac Lighting circuit's.

Where inter-actions haVe been identified, modifications only to those cir-cuits required for areas of access and egress, or safe shutdown functions wilL be performed as discussed in the aforementioned P

submittals.

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~5-Fo.- the two outdoor plant perimeter access and egress areass

~Tg emergency Lighting wilL be provided by the plant security Lighting system.

The security Lighting system is powered by a separate security diesel generator upon a loss of offsite power.

The security diesels cre tested on a monthly basis.

Furthers the applicant has committed to review the plant emer-gency lighting (including that portion of the securiJy lighting system where credit is taken in order to satisfy the require-ments of Appendix R) to determine that the levels of illumina-tion are sufficient to achieve at least 1.0 foot candle 3at the floor level so as to support activities related to the manual operation of safe shutdown components as required.

This review wilL include access and egress routes to those areas where such operation is required.

This level of illumination is consistent, with the guidelines of NFPA-101, Section 5-9, " Emergency Lightings" 1981.

The applicant has committed to make any modifications necessary to achieve the above prior to. plant operation above 5%

power.

Conclusions Based on our reviews we conclude that the use of the proposed emergency Lighting systems and illumination levels provides an acceptable margin of safety equivalent to that provided by the t echni c a l requ'i rement s o f Se c t i on III.J.

Therefore, the applicant's reque st for a deviation should be approved.

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NOV 211B3 DISTRIBUTION Docket Nos.: 50-275 Document Control (50-275/323) and 50-323 L PDR NRC PDR PRC System MEMORANDUM FOR:

H. Denton lBf3 Reading E. Case JLee J. Carter GWKnighton D. Eisenhut N

R. Purple Attorney, OELD H. Thcapson R. Mattson T. Speis R. Vollmer T. Novak F. Miraglia J. Sniezek G. Lainas T. Ippolito FROM:

George W. Knighton, Chief Licensing Branch No. 3 Division of Licensing

SUBJECT:

DAILY HIGHLIGHT

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DIABLO CANYON. UNIT 1 PG&E has advised us that at 2307 hours0.0267 days <br />0.641 hours <br />0.00381 weeks <br />8.778135e-4 months <br /> on November 20, 1983, they completed loading fuel in Diablo Canyon Unit 1.

They are presently video taping the core to verify and record proper loading. They are ssheduled to have the reactor head installed this week.

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'NOV 2 31!E3 distribution Docket Nos:: 50-275 Document Control -(50-275/323) and 50-323 L PDR NRC PDR PRC System MEMGRANDlM FOR:

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George W. Knighton. Chief Licensing Branch No. 3 Division of Licensing

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Bart C. Buckley Project Manager Licensing Branch No. 3 Division of Licensing

SUBJECT:

DAILY HIGHLIGHT Diablo Canyon. Unit 1 In-Core Flux Thimbles & upper vessel internals have been installed. Control rods have been coupled and tested.

Installation of head expected to be

' completed today. November 23, 1983 and entering into operati mal inode 5 is scheduled for Monday. No h r 28. 1983.

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NOV 251983 MEMORANDUM TO: Distribution (see attached)-

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T. W. Bishop, Director, Resident, Reactor Projects and Engineering Programs Division

SUBJECT:

Diabl,o Canyon Allegation Management - Assignment Update Responsibilities for examining and responding to Dipblo Canyon allegations and concerns have been assigned. The, attached listing provides an update of those assignments as of November 23, 1983.

T. W. Bishop, Director Resident, Reactor Projects and Engineering Programs Division

Enclosure:

As stated cc w/ enclosure:

T. Rehm, EDO J. Sniezek, EDO R. DeYoung, IE H. Denton, NRR J. Martin, RV bec:

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Diablo Canyon Allegation Assignment Sheet November 23, 1983 Update Diablo Canyon Allegation Program Manager - T. W. Bishop, FTS 463-3751 NRR Representative - G. W. Knighton, FTS 492-7243 IE Representative - R. F. Heishman, FTS 492-9644 OELD Representative - J. Lieberman, FTS 492-7496 RV Field Review Team - S. D. Ebneter, FTS 448-1283 Allegation Number OI IE NMSS NRR RV ELD 1

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DSI-ASB O. Parr 6

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DST-RRAB A. Thadani 8

DE-EQB V. Noonan 9

DST-GIB K. Kniel 10 DE-SGEB G. Lear 11 DSI-ASB O. Parr 12 DSI-ASB O. Parr 13 DSI-ASB O. Parr 14 DE-SGEB G. Lear 15 DE-SGEB G. Lear 16 DE-MEB R. Bosnak 17 DE-SGEB G. Lear 18 OI-RV O. Shackleton 19 OI-RV

0. Shackleton 20 RV-DRSSP F. Wenslawski

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Diablo Canyon Allegation Assignment Sheet November 23, 1983 Update (cont)

Allegation-Number OI IE NMSS NRR RV ELD 21 RV-DRSSP F. Wenslawski 22 RV-DRSSP F. Wenslawski 23 OI-RV 0.'Shackleton 24 RV-DRRPEP A. Dromerick 25 DE-MEB(Support) RV-DRRPEP R. Bosnak A. Dromerick 26 RV-DRRPEP 4

A. Dromerick 27 RV-DRRPEP A. Dromerick 28 DE-MEB R. Bosnak 29 DE-MEB R. Bosnak 30 RV-DRRPEP J. Crews 31 DE-SGEB G. Lear 32 DE-SGEB G. Lear 33 DE-SGEB G. Lear 34 RV-DRRPEP J. Crews 35 DE-EQB V. Noonan 36 DE-EQB V. Noonan 37' DSI-ICSB F. Rosa 38 RV-DRRPEP J. Crews 39 DSI-ICSB F. Rosa 40 DSI-RSB B. Sheron 41 RV-DRRPEP J. Crews 42 RV-DRRPEP J. Crews 43 RV-DRRPEP J. Crews

Diablo Canyon Allegation Assignment Sheet November 23, 1983 Update (cont)

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44 RV-DRRPEP J. Crews 45 DSI-RSB B. Sheron 46 RV-DRRPEP A. Dromerick 47 RV-DRRPEP J. Crews 48 DST-RRAB A. Thadani 49 IE-RCPB R. Heishman 50 NMSS-SGPR G. McCorkle 51 ELD J. Lieberman 52 ELD J. Lieberman 53 OI-RV O. Shackleton 54 RV-DRRPEP A. Droserick 55 DE-MEB R. Bosnak 56 DE-MEB R. Bosnak 57 RV-DRRPEP A. Dromerick 58 RV-DRRPEP A. Dromerick 59 RV-DRRPEP A. Dromerick 60 RV-DRRPEP A. Dromerick 61 RV-DRRPEP J. Crews 62 RV-DRRPEP A. Dromerick 63 RV-DRRPEP A. Dromerick 64 RV-DRRPEP A. Dromerick 65 RV-DRRPEP A. Dromerick 66 RV-DRRPEP A. Dromerick

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Diablo Canyon Allegation Assignment Sheet November 23, 1983 Update (cont).

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Allegation Number OI IE NMSS NRR RV ELD 67 RV-DRRPEP J. Crews 68 IE-RCPB R. Heishman 69 IE-QAB W. Altman 70 OI-RV O. Shackleton 71 RV-DRSSP L. Norderhaug 72 RV-DRRPEP J. Crews e

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SUBJECT:

DAILY HIGHLIGHT'

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E The reactor vessel head is installed and the first pass of the bolt tensioning is complete. The only problem with installation of reactor intervals was with R

two control rod clusters that were slightly bowed, did not pass the drag test fi and had to be replaced. After-the second pass 16f' bolt' tensioning'is done and E;.

the reactor coolant pumps operable, the plant will be ready for cold testing.

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D. Eisenhut JLee R. Purple-Attorney, OELD -

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R. Mattson HEaManMary T. Speis J. Sniezek T. Ippolito T. Novak G. La.inas

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George W. Knighton Chief Licensing Branch No. 3 Division of Licensing FROM:

Bart C. Buckley, Project Manager Licensing Branch No. 3 Division of Licensing

SUBJECT:

DAILY HIGHLIGHT.

f, Diable Canyon,' Unit 1

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Diablo' Canyon Unit 1 is currently in mode 5 (cold shutdownl,.The y

reactor vessel head bolts are fully tensioned. The reactor coolant pumps (RCPs)havebeencoupledandthe'RCPsealinjectionflowhas 6

been established. Limited construction-activities associated with items that need to be completed prior to proceeding to initial criticality is being performed below elevation 140' within the containment. The-main condenser is being fi'lled to perform a hydrostatic test.in preparation for condensate flush operation.

Onginal slo.ied br B. C. SW7 Bart C. Buckley, Project Manager Licensing Branch No. 3 Division of Licensing i

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C ~' Distribution, November 29, 1983 EDO R/F TRehm JRoe WJDircks _ MEMORANDUM FOR: Chairman Palladino Commissioner Gilinsky c l Comissioner Roberts I,, c op( Comissioner Asselstine Comissioner Bernthal 'FROM: William J. Dircks Executive Director for Operations

SUBJECT:

PLANS FOR DEALING WITH ALLEGATIONS RELATING TO DIABLO CANYON Enclosed for your information is my guidance for dealing with the approximately 72 Diablo Canyon allegations and the staff work plan developed to implement that guidance. Action plans which assign s.taff and outline the approach to resolution have been dcveloped for each allegation. These detailed worksheets are available should any Comissioner desire to ' review them. The initial on-site work will be conducted this week with approximately 17 staff assigned.' Other related work has begun or will begin promptly. ~ The interim report will be"provided'to me by December 19 - a date selected so as to be approximately 10 days prior to the current estimate of the licensees criticality readiness. I will provide it to you promptly after receipt. (S? nd E!iin J.'u:4 E \\/ William J. Dircks ~ Executive Director for Operations

Enclosure:

As stated cc: OPE OGC bec: V. Stello.-}* O yl r \\(k J. Roe,..Q Q.k p FC

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.I l..,Y November 17, 1983 MEMORANDUM FOR: John B". Martin, Regional Administrator, Region V Harold R. Denton, Director, NRR Richard C. DeYoung, Director, IE FROM: William J. Dircks Executive Director for Operations

SUBJECT:

REVIEW OF ALLEGATIONS OUTSTANDING ON DIABLO CANYON NUCLEAR POWER PLANT At the Comission meeting of October 28, 1983, the staff was directed to pursue all outstanding allegations to resolution. In addition, the Commission directed the staff to provide a status report "... addressing these matters..." prior to the authorization of criticality and low power testing. I have designated Jack Martin, Region V, as having line responsibility for this activity. T. Bishop has been further designated by Jack Martin to direct this effort. He is charged with the responsibility to: identify in coordination with NRR, IE and 01 al.1 outstanding allegations; develop a work plan and schedule in concert with NRR and 'IE which will direct the effort of offices involved to pursue all allegatio'ns to conclusion; . provide a coordinated status report to EDO approximately 10 days prior to Commission consideration of criticality and low power testing by Diablo Canyon; and proiJce a final report which will provide final conclusions on all outstanding allegations. In the way of general guidance, I would point out that it is necessary to begin development of a work plan on a high priority basis. This plan should reflect a scoping and prioritization of allegations so that the re. quired status report will be able to provide to the maximum extent feasible, reasonable information to the Commission or. which they can make a determination on Diablo Canyon in regard to criticality and low power licensing. Ccmpletion of the evaluation of all allegations must be accc plished, but it is more important that they be reviewed correctly than that a particular completion time be met. h vyN e .y

-2 v i s I expect all Offices ' involved to give full support =to Mr. Bishop in this effort. The OEDO should be contacted if problems develop or assitance is needed. ~ (siped William!.Dircks. .w William J. Dircks Executive Director for Operations cc: B. Hayes G. Cunningham V. S'tello R. Minogue T'. Bishop, RV v DISTRIBUTION EDO R/F TRehm R/F ^ JRoe WJDircks ECase MTaylor e l l l l DEDROGR VStel Tip) 11/17/83 FC

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}. r-DJf.BLO CANYON ALLEGATION MANAGEMENT PROGRAM N NOVEMBER 23, 1983 4 'N Approval: s //bt.3ff.3 R. DeYoung 'Fec IE Date F/.21//5 / M H. R. Denton, Director, NRR /Datd 5

  1. . B. Martin, Administrator, Date Region V 9

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Diablo Canyon Allegation Management Program Contents Page I Purpose'.... : 1 II Scope.............'................ 1 III Methodology / Approach....................... 1 IV Schedule 2 V Protection of Individuals................... 3 VI Development and Retention of Supporting Data 4 VII Special NRC Staff Actions................... 4 Y? II Manpower Accounting....................... 4 ATTACHMENTS 1. Diablo Canyon Allegation Management Staff 2. Format For Diablo Canyon Nuclear Power Plant Allegation and/or Investigations Summary 3. Format for Allegation Action Plan o 9 y,,-.,.

DIABLO CANYON ALLEGATION MANAGEMENT PROGRAM I. Purpose The purpose of the Diablo Canyon Allegation Management Program is to: Provide for a s'ystematic examination and analysis of allegations and expressions of concern pertaining to design, construction, operation and management of safety-related structures, systems, and components at the Diablo Canyon Nuclear Power Plant; and to Provide for an assessment of those allegations and concerr.s that question Diablo Canyon criticality readiness, prior to a Connission consideration of restoration of the lice'nse for reactor criticality and low power (less than 57.) testing; and to ~ Provide for an iissessment of those allegations and concerns that question plant readiness for power ascension. testing and full power operations, prior to a Comission consideration of this issue. l II. Scope The Diablo Canyon Allegation Management Program 'is intended to encompass all allegation, or expressions of concern.which may te construed as allegation, which pertain to design, construction, operation, and manage-mant of safety-related structures, systems, and components, at Diablo ' Canyon. In this rega'rd, the ' Allegation Management Program.will also address certain concerns raised by.Intervenors.and members of Congress (e.g. implications of a 1977 audit by Nuclear Services Corporation of a ~ Diablo Canyon Contractor). The program requires that all NRC.0ffices receiving new Diablo Canyon allegations for =rd those allegations to the Allegation Management Staff in a timely mr m.r. III. Methodolocy/Aporoach .The Diablo Canyon Allegation Management Program requires the combined efforts of NRC offices to identify all-allegations upon receipt and coordinate resolution of the allegations with the Diablo Canyon Allegation j Management Staff. The Diablo Canyon Allegation Management Staff is a coordination group made up of representatives of Region V, NRR, IE and i ELD, as identified in Attachment 1. The Allegation Management Program requires development, updating and maintenance of a comprehensive listing of allegations related to Diablo Canyon and provides for a coordinated assessment and resoluti~on. The management program is not intended to circumvent any other established NRC management program (e.g. the Allegation Tracking. System) or relieve

any NRC office of its nonnal organizational and technical responsibili-ties. To the contrary, the Allegation Management Program is intended to complement and coordinate the activities of the NRC Offices as they relate to Diablo Canyon allegations. The Allegation Management Program includes the following elements: (1) Development of a comprehensive listing of Diablo Canyon allegations. The format for the listing is provided in Attachment 2. The distri-bution of the actual list is controlled and limited. (2) Use of procedures to maintain anonymity and confidentiality of allegers when requested. ~ (3) Confimation with the alleger (where passible and appropriate) that the NRC has an accurate understanding of the concern. (4) Definition of an action plan for each allegation which provides an approach to resolution. The action plan shall include such items as: technical approach to resolution; identification of lead / support responsibilities, resource requirements, schedule for completion; and includes an initial assessment of the potent-ial-significance of the allegation. The format for an allegation action plan is provided in. (5) Responsible Lead Office management review'and agreement on the action plan for each allegation. ~ (6) Implementation of the action plan. (7) Status reporting and preliminary assessments of ellegations significance and programatic implications in time to support Coninission consideration of Diablo Canyon licensing actions. (8) Feedback to the alleger, where possible, f'or further assurance that evaluations accurately address concerns. IV. Schedule Actions related to Diablo Canyon allegations shall be accomplished in .accordance with the following general schedule: Approval of Allegation Management Program and Individual 11/23/83 Action Plans e

On-site review / inspection effort

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12/9/83 . Individual item stat;us/ preliminary assessment reports 12/9/83 Pre-criticality project status assessmen? report 12/19/83 , Updated individual item status / assessment reports (later) Pre-power ascension Project Assessment Report (later) It is anticipated that during the course ~ of this program additional allegations will be received and that findings resulting from the review or inspection of current allegations may require expanded examinations'. Accordingly, new ind'ividual allegation action plans will be developed and existing plans may be expanded. The thoroughness of NRC evaluations shall not be influenced by the timing of licensing decisions by the Comission. However, full effort shall be~ made to provide the Co::nission with as comprehensive and accurate assessments of allegation significance as is possible. ~ V. Protection of Individuals The idantity of persons providing allegations to the NRC shall not be ' disclosed as a matter of practice. In addition, for th6se, individuals expressly requesting coilfidentiality all efforts shall be made to protect the individuals identity. This will include: limited and controlled distribution of allegation documentation and correspondence; minimal use of names, identifying titles, or position descriptions in written material; enlarged sampling'of activities so that it is not evident to personnel outside the NRC that the particulcr sample selection is related to the alleger; and other indirect approaches toward investigation /inspec-tion of allegations. During the course of NRC reviews or inspections, similar efforts shall be made to protect the identity of licensee or contractor employees who provide information which may be construed as.. being critical of licensee or contractor activities. Receiving, clarifying, evaluating, and documenting allegations may involve direct NRC staff contact with allegers and will involve representation of the allegers concerns in NRC documentation and other comunications. These oral and written comunications shall be professional and objective in nature and shall not reflect a pre-judgemental. or defensive posture on the part of the NRC staff. Further, these comunications shall not infer criticism of the allegers' motives, or technical expertise.

  • Technical review, inspection, and investigatior activities for many of the allegations have been in progress for some time. The 11/28-12/9/83 on-site i

review refers to the consolidated team effort to address the bulk of the known allegations. 1

~ 4-VI. Development and Retention of Supporting Data An individual record file shall be developed and maintained for each allegation by the lead NRC office. This file will contain or reference pertinent documentation associated with the allegation. Resolution of each allegation shall be supported with a clearly auditable record trail. Accordingly, the record file shall contain or make reference to all significant records relied upon,to reach resolution. Records of personnel interviews shall be developed and retained in.those instances where interviews are relied upon by the NRC staff for decisions of technical adequacy. Interview records shall, as a minimum contain: the date, time, location of the interview; the name of the interviewer and interviewee; and. a summary of questions asked and relevant.information obtained. Upon issuance of reports which close out allegations, those records which are appropriately (e.ferenced in the NRC reports and are traceable through re some other means

g. meeting transcripts, permanent licensee records, etc.) may be removed-from the allegation record file.

VII. Special NRC Actions As addressed in certain allegation action plans, it may be appropriat.e to ' initiate actions which are not routinely required for allegation follow-up. These may include: issuing requests for information to the licensee under 10 CFR 50.54 (f), Confirmation' of Action letters or orders; or 4 reqLests to the Department of Justice to grant immunity.for certain individuals. Actions such as these, if required, shall be h'andled in accordance.with established NRC procedures. VIII Manpower Accounting Offices shall implement established manpower accounting systems to monitor resource expenditures related to this ability. l \\ 4 ,-r- -+. - -, .-_...--,.,a---.--e,_v-, m,, ,_.w,- --.v_~,,,_n ,.w,

',h,,. Diablo Canyon Allegation Management Staff i I Organization Name Position Region V T. W. Bishop Staff Leader NRR G. W. Knighton Member IE R. F. H.eishman Member ~ ELD J. Lieberman Member .8, e d* O 4 ee9 OO-e + e G O O O 89 4 e

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,I Q[/h ^ UNITED STATES ((' j i j NUCLEAR REGULATORY COMMISSION g, ,j WASHINGTON, D. C. 20555 e 'L...../ DEC 0 21983 Docket No.: 50-275 MEMORANDUM FOR: GeorSe W. Knighton, Chief Licensing Branch No. 3 Division of Licensing FROM: Hans Schierling, Project Manager Licensing Branch No. 3 Division of Licensing

SUBJECT:

MEETING WITH PACIFIC GAS AND ELECTRIC COMPANY ON DIABL UNIT 1 DATE & TIME: December 6, 1 9:00 am LOCATION: Room 6110 Maryland National Bank Building Bethesda, Maryland PURPOSE: Discussion of Open Items in SSER-18 PARTICIPANTS: NRC STAFF J. P. Knight C. Costantino (BNL) P. T. Kuo P. C. Wang (BNL) M. Hartzman e nons w -s C. Mil'er (BNL) M. Philippacopoulos (BNL) LICENSEE / APPLICANT STAFF W. White J. Hoch et al 7 Hans Schierling, Project Manager Licensing Branch No. 3 Division of Licensing cc: See next page 4\\ ./ b B n 010 'L D 2 r

Diablo Canyon Mr. J. O. Schuyler,. Vice President. Nuclear' Power Generation c/o Nuclear Power Generation, Licensing Pacific Gas and Electric Company 77 Beale Street, Room 1435 San Francisco, California 94106 Philip A. Crane, Jr., Esq. Resident Inspector /Diablo Canyon NPS Pacif.ic Gas & Electric Company c/o US Nuclear Regulatory Commission Post Office Box 7442 P. O. Box 369 San -Francisco, California. 94120 Avila Beach, California 93424 Mr. Malecim H. Furbush Ms. Raye Fleming Vice President - General Counsel 1920 Mattie Road Pacific Gas & Electric Company Shell Beach, California 93440 Post Office Box 7442 San Francisco, California 94120 Joel.Reynolds, Esq. John R. Phillips, Esq. Janie.e E. Kerr, Eso. Center for Law in the Public Interest California Public Utilities Commission 10951 West Pico Boulevard 350 McAllister Street Third Floor San Francisco, California 94102 Los. Angeles, California 90064 Mr. Frederick Eissler, President Paul C. Valentine, Esq. Scenic Shoreline Preservation 321 Lytton Avenue Conference, Inc. Palo Alto, California 90064 4623 More Mesa Drive Santa Barbara, California 93105 Dr. William E. Cooper Project Manager - 5511 Ms. Elizabeth Apfelberg Teledyne Engineering Services 1415 Cazadero 130 Second Avenue San Luis Obispo, California 93401 Waltham, Massachusetts 02254 Mr. Gordon A. Silver Mr. Dick Slankenburg Ms. Sandra A. Silver Editcr & Co-Publisher 1760 Alisal Street South County Publishing Company San Luis Obispo, California 93401 P. O. Box 460 Arroyo Grande, California 93470 Harry M. Willis, Eso. Seymour & Willis Norton, Burke, Berry & French, P.C. 601 California Street, Suite 2100 202 E. Osborn Road l-San Francisco, California 94108 P. O. Box 10569 Phoenix, Arizdna 85064 l Mr. Richard Hubbard MHB Technical Associates Mr. W. C. Gangloff Suita K Westinghouse Electric Corporation 1725 Hamilton Avenue P. O. Box 355 San Jose, California 96125 Pittsburgh, Pennsylvania 15230 fir.. John Marrs, Managing Editor David F. Fleischaker, Esq. San Luis Obisoo County Teleoram Tribune P. O. Box 1178 1321 Jonnson Avenue Oklahoma City, Oklahoma 73101 P. O. Box 112 San Luis Obispo, California 93406

i; Arthur C. Gehr, Esq. Snell & Wilmer. 3100 Valley Center Phoenix, Arizona 85073 ~ ~ Mr. Lee M. Gustafson, Director Federal' Agency Relations . Pacific Gas & Electric Company 1050 17th Street, N.W. Suite 1180 Washington, DC 20036 ~ Regional Administrator - Region V US Nuclear Regulatory Commission 1450 Maria Lane Suite 210 Walnut Creek,. California 94596 Dr. Jose Roesset 3506 Duval Road-Austin, Texas !a759 Michael J. Strumwasser, Esq. Special Council ta the Attorney General State of California 3580 Wilshire Boulevard, Suite 800 ' Los Angeles, California 90010 Mr. Thomas H. Harris San Jose Mercury News 750 Ridoer Park Drive San Jose, California 95190 Mr.. Mark Gottlieb California Energy Commission lill Howe Avenue, MS.27 Sacramento, California 95825 Maurice Axelrad, Esq. Lowenstein, Newman, Reis and Axelrad 1025 Cc'necticut Avenue, NW Wash 1ncton, DC 20036 A}}