ML20126D977

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Informs Commission of Progress of NRC Review of Responses to IE Bulletin 79-01B, Environ Qualification of Class IE Equipment. Bimonthly Status Rept Encl
ML20126D977
Person / Time
Issue date: 09/11/1980
From: Harold Denton, Stello V
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE), Office of Nuclear Reactor Regulation
To:
References
FOIA-81-97, TASK-IR, TASK-SE IEB-79-01B, IEB-79-1B, SECY-80-423, NUDOCS 8010220338
Download: ML20126D977 (18)
v • d • e


Text

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. i 4 l UNITED STATES NUCLEAR REGULATORY COMMISSION [

Sectember 11,1980 WASHINGTON, D. C. 205ss SECY-80-423 '

INFORMATION REPORT 4 I

For: The Comissioners I

, From: Harold R. Denton, Director Office of Nuclear Reactor Reglation Victor Stello, Jr. , Director g ~

Office of Inspection and Enforcement '3 y ,s Thru: William J. Dircks Acting Executive Director for Operations

Subject:

BIMONTHLY REPORT ON ENVIRONMENTAL QUALIFICATION OF ELECTRICAL EQUIPMENT FOR THE PERIOD ENDING AUGUST 1,1980.

Purpose:

To inform the Commissioners of the progress of the staff's review of IEB 79-01B responses and to provide the status of efforts related to the staff's rev1ew of the environmental qualification of safety-related electrical equipment.

Discussion: The Commission Memorandum and Order (CLI-80-21) dated May 23, 1980, requested that the staff provide bimonthly reports on the progress of IEB 79-01B response reviews. In response to this request, the staff has prepared this report to the Comi ssioners.

Equipment qualification reviews are being performed for three groups of plants, i.e. , near term operating license (NTOL) plants, systematic evaluation program (SEP) plants, and all remaining operating reactors (OR's). The OR's are being reviewed jointly by IE and the Equipment Qualification Branch (EQB) of NRR. The SEP plants are being reviewed by the EQB with technical assistance from the Franklin Research Center (FRC). NTOL plant reviews are being performed by the EQB. Several meetings have been bcid between NRR, IE, and FRC in order to coordinate the reviews. The last such meetings were held August 12 and 13.

l The status and a brief background for each of the three review efforts and related NRR activities and licensing actions is given below.

CONTACT:'R. LaGrange NRR/DE/EQB ext. 29548 gol D >>0 338 PDa-

-2.

I. Operating Plants - The NRC issued IEB 79-013 dated January 14, 1980, requesting all utilities with operating plants to submit summaries of environmental qualification documents. for all 1 Class IE equipment required to. function under postul5ted accident conditions, i.e. , in " harsh" environments. Submittals have been received from the 52 OR's in response to the 90-day requirement -

of the bulletin. Each of these responses continues to require further contact from the staff in the form of meetings, telephone calls, and letters to obtain sufficient additional data to perform the review and evaluation necessary. IE is performing the

- review of these responses and making site visits to examine installed equipment for selected systems, with assistance from EQB as requested, and will provide a technical evaluation report (TER) to EQB for each plant. EQB will use these TER's as input to the SER's scheduled to be issued by' February 1, 1981. Each plant is being reviewed against the criteria specified s in the 00R Guidelines and, if necessary, NUREG-0588.

Technical assistance from FRC is also being utilized in the bulletin response review effort. FRC is assisting NRC in the establishment of an equipment qualification data bank (EQDB) that will be used by IE and NRR during the review of mthe licensee submittals and the preparation of SER's. All the.information submitted in response to the bulletin and data from the referenced test reports will be stored in the data base.

Enclosures 1 and 1A summarize the current status of the licensee responses and IE actions. Enclosure 2 provic'es information on licensee event repcrts on unqualified equipment which have been identified to date. In each case where unqualified equipment was formally identified at an operating plant, that licensee has committed to replace the equipment in question with equipment known to be qualified for service in a " harsh" environment and has provided both a schedule for replacing ,

the equipment and a justification for continued operation.

To date, there have been eleven licensee event reports (LER) involving nine plants with equipment that licensees believe may not be qualified for service in a " harsh" environment.

II. SEP Plants - By letters dated in March, 1980, all SEP ,

plants, and Indian Point 2 and 3 and Zion 1 and 2, were formally l notified that the review of environmental qualification for safety-related equipment would be conducted. Information l l

l

1 requested included identification of electrical equipment required to perform safety functions while subjected to design basis _ accident environments,. definitions of environmental service conditions at equipment locations, and the status of environmental qualification documentation. In response to these requests, the licensees provided information to the NRC during the period May/ July,1980. This information is not considered complete by the staff and further contact with licensees is necessary to obtain additional date, The review of SEP plants is for equipment that are subject to " harsh" environments. The staff reviews submitted infor-mation and selected documents, and intends to review in detail one item from similar grocos of equipment, e.g. , one motor operator from a group with the same model number. Site visits are also made by EQB and FRC representatives, contracted tc assist in the equipment environmental review for SEP plants.

The site visits inspect safety-related systens and components, identify and tabulate these components, and examine equipment in-situ. Results of these visits together with the TER's provided by FRC, will be used as input to the SER's that will be prepared by EQB.

Enclosure 3 summarizes the current status of the SEP review effort.

III. NT0L's - The staff requested by letters dated February, 1980, that the NT0L applicants review the environmental quali-fication of safety related equipment and provide an environmental qualification submittal in response to NUREG-0588. This submittal provides the results of the applicant's revics together with appropriate cc rective action, where needed. From this sub-mittal the staff selects certain items for audit and for the selected items review all of the associated test data and documents. Site visits are made by IE to inspect installed equipment. Ber.91 on these reviews, the staff arrive at a conclusion regarding the environmental qualification program for the station. The ongoing review is limited to electrical equipment exposed to " harsh" environment created by certain accidents.

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4 So far two environmental qualification submittals have been )

received in response to NUREG 0588, these being for the North Anna Unit 2 and the Sequoyah Nuclear Stations. Neither of the  !

submittals are complete since the licensees do not have all the l test reports in their possession. The staff has completed its j initial audit of test data and/or documents with regard to harsh I environments for North Anna Unit 2 and Sequoyah Unit I with l satisfactory results. The staff expects to receive additional '

environmental qualification submittals during the next two months in accordance with the schedule given in enclosure 4.

IV. Other NRR Activities and Licensing Actions - During the week of July 14, 1980, an NRC staff team conducted seminars for all licensees, vendors, architect engineers, and intet ested members of the public. The purpose of these meetings was to:

(1) Provide a more detailed technical explanation of th.e new NRC requirements as a result of the Corm 11ssion's Memorandum and Order; (2) Provide a forum for the discussion of the requirement , (3) Provide a description of the NRC approach, schedule, and administrative procedures to be followed in implementing these requirements. The meetings were held in Philadelphia, Chicago, Atlanta, and Dallas.

Approximately 250 representatives attended the meetings.

Licensees have indicated that the priority and scope of this issue is better understood. The staff considers the effort to be quite successful in establishing an understanding of the new requirements. Some specific questions raised during the seminars, relative to the Memorandum and Order and related technical items, require clarification by the staff. Answers to these questions are in preparation.

The staff submitted the proposed technical specification, which codifies the documentation requirements for electrical equipment qualification, to the Commission August 6,1980. The technical specification will require the establishment ar,d maintenance of a central file by December 1,1980, that will contain all the information necessary to ::onfirm complete compliance with the applicable requirements for safety-related electrical equipment by June 30, 1982. In addition, the staff is preparing orders to all operating plants that will require the information necessary to support the Febru: 3 ,1981, Safety Evaluation Reports (SER) to be submitted at later than November 1,1980.

This SER will cover all safety-related electrical equipment

_ -. --. =

i l

equipment exposed to the environment resulting from a high energy lire. break inside or outside containment.

As directed by the Commission's Memorandum and Order, NRR and SD staff are currently workirig together to establish a  !

rulemaking procedure on environmental qualification of '

electrical equipment.

During June,1980, the staff met with representatives of NSSS vendors, utilities, and electrical component vendors to gain insight into both the problems of proprietary qualification data and the establishment of an industry run equipment clearinghouse. These issues and the staff findings concern-ing then, are discussed in an August 6,1980, information paper to the commissioners that was prepared by the Equipment Qualification Branch.

V. Potential Problem Areas Requiring Further Attention The staff has currently identified the following concern.

1. Additional Informatio,1 ilequired of Licensees:

The orders to each licensee will specify a final sub-mittal date'of November 1,1980 or will identify existing commitments for earlier submittal of information as bind-ing. If the majority of licensees delay submittion' of data until November, it will be very difficult for the staff to review it all and prepare SER's by the February 1, 1981, date.

Coordination: The Office of the Exer .

egal Director reviewed this paper and had no .sgel objection.

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[ Harold R. Denton, Director Office of Nuclear Reactor Regulation

/

Victor Ste 1, Jr Dir ctor Office of spection and Enforcement

Enclosures:

Status of Review of Environmental DISTRIBUTION Qualification of Class IE Electrical e Equipment for Operating Reactors, SEP . aff Offices Plants, and NTOL Plants. ACRS Secretariat

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ENCLO5URE 1A fl0TES: 1. Licensee plans to submit a partial report by 9/80 and final report by 12/80.

2. Licensee plans to submit final report by 12/80.
3. Report on results of site inspection of installed equipment documented.
4. Report on results. of audit of qualification data has been documented.
5. Licensee has submitted an LER. Refer to Enclosure 2 of this bimonthly report for details.
6. Submittal date shown here of licensee final report on IES79-018 will be modified to 11/1/80 by NRC order.
7. Draft of technical evaluation report (TER) has been documented by the Regional Principal Reviewer.
8. Reviews at Corporate Offices may not be necessary in all cases.

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Enclosure'2 -

STATUS OF REVIEWS i Ill C0fitiECTI0f1 WITil IE BULLETiti 79-018 24 Il0UR t10TIFICATI0fl5 (LERs) Page 1 I _ ___._ _ ___ ._ _ __.

i N Si!! IIAfti litulliAl.Il~lLD LQUIPMI til DATE OF DATE OF 14 DAY STATUS OF

!!! Poiti ED fl0TIFICAT10tl DETAILED REPORT REVIEW i

1. I swI falhoun L t. R 00 / 3-3-80 3-19-80 Unqualified; switches I (i l 0 ?H5 ) l isi, r 6 po 304 - Stem flount ed Limit wH} e replaced Switches on Vaives during the 1981 i IICV-864 aml llCV-865 - Charcoa l fil ter ""I"UII"9U"b09"'

F llowup action

, Spray Suppl.y Iunction: Valve Position Indication required.

i -

? I ort falhoun LI R- 7'l-007

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3-5-80 3-19-80 Unqualified switches j (C1-50-?H5) will be replaced l tticro Switch i'ypes: OlF2-2RH2- during the 1981 j til!A40 OP- AR30 on Valves refueling outage.

OCV-/4?A anil C, llCV 7?4- A and Follcwup action llCV- ?! !,A. required.

j <

Systems (a) Contaismient l' urge j (b) Containment linit

Dampers l'unct ion
Valve Posi tion Indica tion l

! I dri Calhoun LtR /9-00/ 3-5-80 3-19-80 Switch is to be l ( Cl !a-?H5) replaced with a j Barks <iale Pressure Switch I1odel D2T qualified unit or -

Sys'em: Containment Instrument Air relocated outside

System con ta i nmen t. Oper-i lunction
Hmpaired to isolate the ators are to manual ~

j instrument air header isolate air header ,

if pressure falls below during an accident, i

/0 psig and containment if system indicates '

isola tion is required. Iow pressure. Follov up action required.

1 I

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j __- _ . . _ _ _ _ _ . _ _ _ _ _ _

t I'l l'fil HAlli liflyllAl.il 11.D LQtJlpMLilf - DATE OF DATE OF 14 DAY STATil5 0F i Ill.PORIED NOTIFICATION DETAILED REPORT- REVIEW l

1. Thinticeilo Li 1: 015 3-17-80 3-27-80 Complete --the splices.

j ff;l 50-763) were replaced using

linqualified splices in the power qualified material .

} cables for the inboard M51V No additional unqual j solenoid valves. Splices located fied splices were j in junction boxes between the discovered solenoid valves and the electrical

,i penet ra tion.

! 5 uinoen tinit 1 I LR-80--08 ~

3-27-80 4-10-80 Justification involve !

j (um -SO ?e)) alternate flow patht l Mov-H010ltK-11odel 16 NPP plus the valve is

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Seria l rio. 2116 LMo-Sp normally closed and '

I Sys ten.- decay hea t removal line. presents no system -

j Function: 10 provide flow from integrity concern.

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RCS post-LOCA. One . o f Corrective action:

l three methods of assurint the valve operator I adequate flow. will be replaced at

! plant 10: Valve ILP 105 next available outat i l The replacement unit !

is on site. Followt :

action required. ,

i j . _ . ..-. . _ _ . . . _ - .- .-.-_

i

! r.. ';a l em uni t I tlR-80-017' 3-28-80 4-11-80 Justification accept-

(W 272) able in that backup

i' llarton f ransmi tters '1odel 764-Lot 2 indication and safet !

action available.

Plant 10: PI-403, and PI-405 j l oca t ed below flood level . Also, a design chant, l flua l il ita tion da ta does not include to relocate units l support ing da ta for sulunergence. above flood level _

l System / function: RES, wiele range during next appropri!

I pressure. ate outage has been i prepared (IEC-0722).

Followup action  !

j required.

! l

1 l .

j Page 3 j

ri elli ilArti. O!! QUAL.II'lLO l. QUI Pf1Lfll DATE OF DATE OF 14 DhY STATUS OF-l RIPORIED fl0TIFICATI0ft DETAILED REPORT REVIEW ,

i n.nu ho Seco I.I R-mi- 20

~

4-17-80 4-23-80 Licensee withdrew LER i

(1:7.H 312) on basis that switcl flAf100 Hulels: 11-2-300 an<l D 1200G - in question do not Valve stem mounted limit. switches - provide a safety

. un<1oalified. function. IE:HQS

Sys t em!l~unc t ion : ConLainment foilowup - requestc:

isolation valves and valve fiRR/PM assistance ir position indication. requiring licensee t upgrade switches to safety grade level. ,

l Followup action by F:

required.

l ._. . _ . _ _ _ _ _ _ _ _ _

< Iort Ca1houn 1.! R-f10-006 4-15-80 4-28-80 Splices are to be

( t I 7115 ) upgraded to safety

  • i linipsa I i f ied cable splices used with grade level by class 11 transmitters. applying Dow Corninc!

System /Innttion: RTV 3145 sealant on "

1. IIPN I Ilow (F1-313, 316, 310 & all splices i.n ques-l 17?). tion. Jus ti ficatior !
7. Pressurizer Pressure - Trip for continued opera-:

and In<!ica tion (PI-102-A, B, tion discussed in C. ?. D). report from RIV to 1

3. Pressurizer Pressure - Control I E:llQ. Same subject l (I'l - 10 3- X & P T- 103-Y ) . dated 5-23-80.
4. %Icam Generator Pressure - Followup action I er.!w.iI er and Blowdown (PT-907 -

required.

A , it. C & D; PT-905A,11, C&

0).

i k ne n ii o p e t a oh - as f t t n t nt r

. et it s i i c o u t2oua e .t i8 l a d ew .

i2 ot _

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F O

SD I

i eh oe t ctb pd att ci aoe sei I c b

equ h o w

t cfl r ii eoi ml n p bF uq caMiei ol a

wrt oc al o is a otl sevsf a l

t I t8dfi n . til ost e ac t e .

TV AE ey vb rmut a e i s i pd ue s woF .

c enp i .r h adib pd l i n ue TR i aensbd wr id d ecuun epougwr -

S t nl ti u eoi e e ea t o een noi .

ceiI tjesl u h c . r sl h ri srehil u _

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e rt siCi scf r i pd q ,

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P _

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Page 5 -

, I'l itt!! IIAMI IlflQl'Al 1110D IQUIPMfflT DATE OF DATE OF 14 DAY STATUS OF

!<!P0ftll.D fl0TIFICATION DETAILED REPORT REVIEW i ._ _

1i 11. It Itoh i nson I l.R- HO-014 7-02-80 7-16-80 The licensee has com-unit flo. ? mitted to implement (H ',0 ?61 ) linquali f ied pigtail cable f rom con- test program to quali-tainment electrical penetrations - pigtails by an inde-CR0tlSL liiflD5 Ca talog No. 010079. pendent test labora-

, System /lunction: 2 and 4 conductor tory. Followup acti AWG !!16 shielded ^1e an ' used required. Justifi-for instrumentatica on: cation for continuec pressurizer pressure operation found to t:

pressuri7er level acceptable based on si nam generator level the licensee's 7 , team flow submittal.

e-9

S I-:l' ~ l'I. ANTS ENCLOSURE 3 lifflQ1HWJ STATUS ItEl'OllT s !

I!EV i EW Ol' I.I CEf4SEE SUlill! TTAI.S

' ' " ^ ' ' ' ' ^ "" ^ ' '

l'I .Afl T Silltfi t TTAl.

' '" '" " ' I flMIM I!ESI'Ot t S E ,

(l'Al'TIAl.) Coril'I.ETED SCilEDill,ED COMPLETEI) SCllEDULED i.

E i! i nmler, h/7/80 L/21/80 See Note 1 l 1

Licensen has only  !

in,3, , r sys tems/ component Imbmittedtasy Ist, c..k 3/10/80 on hold 2 Ginna 4 / 2'> / tto (> / 2 3/ 80 5/5/80 5iEn 2 5/1/lio // 21/!10 6/3/80 4

/ . .n i S/l/80 7/71/80 6/3/80 I'n l i a n l' t . 5/l/80 15/12/80 7/1/80 TT.Tran et / 5/I/30 'J/ to/80 7/24/80

ll.i.tel.un tin cl< 6 / / / 11 0 8/1?t/HO 6/30/80 l' i

flillstone i fi/ / / 30 8/25/80 7/2/80 I i .in k ri- 1:i nw .

N:$$i fino t're 6/7/?lo 9/11/80 7/21/80 lir. alen - #>///30 9/l',/HO 7/28/80 Licensee submil.tal delayed

~iir, alen i due to retrofit, task on hol d i;i c l<o c k l's 10/13/80 9/8/80 See Note 1 f..o.i. s e 10/70/80 See Note 1.

NOTE I I . i con-:r., .t i .I not provide nn EEQ submiltal; interim TElt developed using L978 EEQ information.

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