NRC Generic Letter 1981-05
.ALL LICENSEES OF OPERATING PLANTS AND APPLICANTS FOR OPERATING LICENSESAND HOLDERS OF CONSTRUCTION PERMITSSUBJECT: INFORMATION REGARDING THE PROGRAM FOR ENVIRONMENTALQUALIFICATION OF SAFETY-RELATED ELECTRICAL EQUIPMENT(GENERIC LETTER 81-0)Reference (a) -Order for Modification of License concerning theEnvironmental Qualification of Safety-RelatedElectrical Equipment, October 24, 1980Reference (b) -Commission Memorandum and Order of May 23, 1980 (80-CLI-21)Reference (c) -I&E Bulletin 79-OlB Supplement No. 3, October 24, 1980On October 24, 1980, the staff issued Orders [Reference (a)] to all powerreactor licensees, which modified their Technical Specifications in accor-dance with the Commission-ordered Environmental Qualification Requirements[Reference (b)]. The purpose of this letter Is to provide information inresponse to licensee requests, regarding these Orders and the associatedstaff actions. The specific items to be addressed involve the environmentalqualification (E-Q) requirements of the electrical equipment for thefollowing: (1) equipment necessary to achieve a cold shutdown, (2) replace-ment parts, (3) Three Mile Island (TMI) Action Plan (NUREG-0737)equipment and (4) the June 30, 1982 deadline of Ref. (a).(1) Cold Shutdown -Reference (c) requires licensees to submit E-Qinformation for the equipment necessary to achieve and maintaina cold shutdown condition. This Bulletin requirement was notintended to invoke a change in the licensing basis of the plant.Plants licensed to a hot "safe shutdown" condition are onlyrequired by Reference (a) to qualify the equipment necessary toachieve a hot shutdown (i.e., plant specific safety-relatedequipment). However, the Bulletin (Reference c) does require thatthe licensee submit the presently available information for onepath to achieve the cold shutdown conditions. The Referihce (c)position represents an enveloping staff position to be implementedon a case-by-case basis. Regulatory Guide 1.139 contains theimplementation plans for the cold shutdown requirements, of whichE-Q is a part. Staff reviews are in progress on this issue.(2) Replacement Parts -We note that this requirement is set forth inreference (b) it not explicitly in the ordering clauses of reference,,(a). In this regard, the E-Q requirements for replacement parts are,`3 ...-.. .\ ........3........; .SURNAM4~.AI .. .......... ........ .......... ............. .............,,..,,, .,,..................,........... ............ .. ...........E... .........,,..........I NRC FORM 318 410/801 NRCM 0240O FFICIA L RE CO R.D C OP Y-., USGPO: 1980-329-824 ALL LICENSEES OF OPERATING PLANTS AND APPLICANTS FOR OPERATING,/LICENSESAND HOLDERS OF CONSTRUCTION PERMITSSUBJECT: INFORMATION REGARDING THE PROGRAM FOR ENVIRONMENTALQUALIFICATION OF SAFETY-RELATED ELECTRICAL EQUI)*ENTReference (a) -Order for Modification of License concp i1ng theEnvironmental Qualification of Safety-eRelatedElectrical Equipment, October 24, 1980Reference (b) -Commission Memorandum and Order of May 23, 1980 (80-CLI-21)Reference (c) -I&E Bulletin 79-OlB Supplement, flo. 3, October 24, 1980On October 24, 1980, the staff-issued Order$'[Reference (a)] to all powerreactor licensees, which modified their Teghnical Specifications in accor-dance with the Commission-ordered Environsental Qualification Requirements[Reference (b)]. The purpose of this letter is to provide information inresponse to licensee requests, regardin4 these Orders and the associatedstaff actions. The specific items tote addressed involve the environmentalqualification (E-Q) requirements of )he electrical equipment for thefollowing: (1) equipment necessaryto achieve a cold shutdown, (2) replace-ment parts, and (3) Three Mile Isldnd (TMI) Action Plan (NUREG-0737)equipment and (4) the June 30, l9jt deadline of Ref. (a).(1) Cold Shutdown -Reference (4 requires licensees to submit E-Qinformation for the equipment necessary to achieve and maintaina cold shutdown conditiomf This Bulletin requirement was notintended to invoke a chaAge in the licensing basis of the plant.Plants licensed to a hqt "safe shutdown" condition are onlyrequired by Reference 2a) to qualify the equipment necessary toa achieve a hot shutdowi (i.e., plant specific safety-relatedJ equpmn)
- the Bulletin (Reference c) does require that, the licensee submi thezavailable information for one path toachieve the cold shutdown conditions. The Reference (c) positionrepresents an enviloping staff position to be implemented on acase-by-case bas s. Regulatory Guide 1.139 contains the imple-mentation plans or the cold shutdown requirements, of which E-Qis a part. S fff reviews are in progress on this issue.(2) Replacement P~rts -We note that this requirement is set forth inreference (4tx but not explicitly in the ordering clauses of reference(a). In thWs regard, the E-Q requirements for replacement parts areOFI~ ... .................... ................................ ..................... ..................... .................... ........... .................... ........... .................... ..........SU RNAM IDDA__T_ __E_ _ _ _ _ _ _ _ _ __ 1= __NR IF R ............0...8......... I.R........02.I..0.......... I.............. ....8......3.I.9....... ...NRC FORM 318 410/801 NRCM 0240OFFICIAL RECORD COPY* USGPO: 1980-329-824
0,40 UW _- a-ALL LICENSEES OF OPERATING PLANTS AND APPLICANTS FOR OPE NING LICENSESAND HOLDERS OF CONSTRUCTION PERMITS /SUBJECT: INFORMATION REGARDING THE PROGRAM FOR ENV IONMENTALQUALIFICATION OF SAFETY-RELATED ELECTRIC EQUIPMENTReference (a) -Order for Modification of Licens concerning theEnvironmental Qualification of afety-Rtlated ElectricalEquipment, October 24, 1980.Reference (b) -Commission Memorandum and Or er of May 23, 1980 (80-CLI-21)Reference (c) -I&E Bulletin 79-018 Suppl ent No. 3, October 24, 1880On October 24, 1980, the staff-issued 0 ders [Reference (a)] to all powerreactor licensees, which modified theiy Technical Specifications inaccordance with the Commission-approVqd Environmental Qualification Require-ments [Reference (b)]. The purpose 9T this letter is to provide informa-tion in response to licensee requests, regarding these Orders and the associ-ated staff actions. The specific iems to be addressed involve the environ-mental qualification (E-Q) require ents of the electrical equipment for thefollowing: (1) equipment necessary to achieve a cold shutdown, (2) replace-ment parts, and (3) Three Mile I and (TMI) Action Plan (NUREG-0737) equip-ment. In addition, the method fbr implementation of the E-Q safety evalua-tion results will be presented./(1) Cold Shutdown -Referenc /(c) requires licensees to submit E-Q informa-tion for the equipment nessary to achieve and maintain a cold shut-down condition. This Byletin requirement was not intended to invokea change in the licensi*g basis of the plant. Plants licensed to a hot'safe shutdown' condit on are only required by Reference (a) to qualifythe equipment necessa'y to achieve a hot shutdown (i.e., plant specificsafety -related equ Went). However, the Bulletin does require thatthe licensee submit ghe available information. The Reference (c) posi-tion represents an envelop1ng staff position to be implemented on acase-bf-case basis./ Regulatory Guide 1.139 contains the implementationplans for the cold/shutdown requirements, of which E-Q is a part. Staffreviews are in pr ess on this issue.(2) Replacement Parts -The E-Q requirements for Replacement parts areclearly presented in Supplement No. 2 to IEB 79-OlB (September 30, 1980).It is the licen~ee's responsibility to justify deviation from theCateogry I column of NUREG-0588 in an auditible manner. "Sound reasons*for such deviation are plant/equipment specific. Examples such asavailability or system incompatibility, are a matter of degree andwill be Judged accordingly. The subjective aspect of this requirementis necessary and will be addressed on a case-by-case basis.OFFICE~SU N M O ................... ..................... ..................... ................. .. ..................... ..................... ................ ..I. INRC FORM 318 410/80) NRCM 0240O FFICIA L R EC O RD C OPY*t USGPO: 1980329-824 A' 9 9 9 I0 -a(3) NUREG-0737 Enuipment -The qualification requirements f9/ thisequipment are specifically addressed In Appendix E to ,te NUREG. Theschedule for submitting the information to the NRC i;/contained inReference (c). Contingencies for equipment unavailpbility areaddressed in the NUREG. If the licensee's position on any of thisequipment is that it is not safety-related that p sition should bejustified in the submittal. Staff judgements ip this regard will bemade in a Supplement to the original Safety Ev luation.Safety Evaluation Implementation -Reference (b) /equires the staff toissue Safety Evaluations by February 1, 1981. T ese Safety Evaluationswill be issued with a request for licensee res p6nse under the provisionsof 10 CFR 50.54(f). Subsequent to the staff view of that response, thestaff will issue Confirmatory and/or Show Ca~ e Orders which provide theopportunity for a hearing to implement the 7pecific requirements applicableto that facility. This procedure may make 'existing hearing/extensionrequests based on Reference (a), unnecess/ry. Licensees with suchrequests should review this matter and afvise the NRC of their intents assoon as possible. Formal notification s necessary to change existingrequests.SIDarrell G. Elsenhut, DirectorDivision of Licensing(4I (K.iD*SEE PREVIOUS WHITE FOR CONCURRENCEOFFICEO ORB #2 ORB #2 AD:OR E J OELD DD:DL D:DL................. ...................... ........... ...................... ..... ...*-f-1 ........ ..................... ............................ ............. ..............SURNAMEo *MWllijams:! f ... *T .oito TNoyak .er SSohinki ....RPurpl.e..... DEisenhutDATEO 12/24/80 12/24/80 / / /II / 1A/ /.................. ..................... ..................... .... ..... ....... ..................... .... ................ ....................NRC FORM 318 110/801 NRCM 0240O FFICIA L R EC O RD C OPY* SGPO: 1980-329-824 ALL LICENSEES OF OPERATING PLANTS AND APPLICANTS FOR OPERATJ G LICENSESAND HOLDERS OF CONSTRUCTION PERMITS /SUBJECT: INFORMATION REGARDING THE PROGRAM FOR ENVIRO 4ENTAL QUALIFICATIONOF SAFETY-RELATED ELECTRICAL EQUIPMENTReference (a) -Order for Modification of License c ncerning the EnvironmentalQualification of Safety-Related El ctrical Equipment,October 24, 1980.Reference (b) -Commission Memorandum and Order/of May 23, 1980 (80-CLI-21)Reference (c) -I&E Bulletin 79-OlB Supplemeny No. 3, October 24, 1980On October 24, 1980, the staff-issued Orders,/(Reference (a)I to all powerreactor licensees, which modified their Technical Specifications Inaccordance with the Commission-approved Enyironmental Qualification Require-ments [Reference (b)]. The purpose of this letter is to provide Information,in response to licensee requests, regard 7ng these Orders and the associatedstaff actions. The specific items to b 'addressed involve the environmentalqualification (E-Q) requirements of th electrical equipment for thefollowing: 1) equipment necessary to achieve a cold shutdown, (2) replace-ment parts, 3) equipment in mild env ronments, and (4) Three Mile Island (TMI)Action Plan NUREG-0737) equipment. n addition, the method for implementationof the E-Q safety evaluation results will be presented.(1) Cold Shutdown -Reference (c) requires licensees to submit E-Q informationfor the equipment necessary tq achieve and maintain a cold shutdowncondition. This Bulletin requ irement was not intended to invoke a changeIn the licensing basis of thA plant. Plants licensed to a hot "safe shut-down' condition are only required by Reference (a) to qualify the equip-ment necessary to achieve a/hot shutdown (i.e., plant specific safety-related equipment). Howevfr, the bulletin does require that the licenseesubmit the available info mation. The Reference (t) position representsan enveloping staff posi on to be implemented on a case-by-case basis.Regulatory Guide 1.139 cpntains the implementation plans for the cold ctshutdown requirements, ,f which E-Q is a part. Staff reviews are inprogress on this Issue/(2) Replacemtnt Parts -Toe E-Q requirements for replacement parts are clearlypresented in Suppleme/t No. 2 to IEB 79-OlB (September 30, 1980). It isthe licensee's responsibility to justify deviation from the Category Icolumn of NUREG-0588/in an auditible manner. "Sound reasons" for suchdeviation are plant/equipment specific. Examples such as availabilityor system incompat1bility, are a matter of degree and will be JudgedOFFICEO ..,.................... .......... ...................... .................. ..................... ........... ................... .......... ............................. ....................SURNAMtE.SU N M O ................... .......... ........... .......... ........... ..................... .......... ................ .......... ................ ................... .... .DATE 1. _ _.__ __ .1 .__ __ __ __....RC..... ..ORM. ................ NRCM.. 0240......... OFFICIAL..........RECORD. .....COPY..... ... S..............80-39.............NRC FORM 318 (10/80) NRCM 0240O FFICIA L R EC O RD C OP Y* USGPO: 1980-329-824 u b ~* 4-2-accordingly. The subjective aspect of this requ Iement is necessaryand will be addressed on a case-by-case basis.(3) Mild Environments -It is apparent that, in soe cases, the staff'sview of the scope of this task differs signif cantly from the licensee~sview. The requirements are contained in thD.O.. Guidelines andNUREG-0588. Programs are required to addre s aging. Equipment shouldbe qualified for the environmental extremeF associated with loss of itsnon-redundant HVAC for the time it is requ red to operate plus margin.Throughout the Guidelines, the licensee n y, as an alternative, providecontingencies to maintain environmental parameters within the equipmentspecifications or provide the necessary/standard of reliability. In thecase of mild environments, such altern'tives are much more feasible due '.,to the accessibility of the components!. Licensees should proceed withtheir mild environment program based fn the existing requirements.More detailed information regarding the mild environment NRC review willbe provided next March. /(4) NUREG-0737 Equipment -The qualification requirements for this equipmentare specifically addressed in AppF ndix B to the HUREG. The schedule forsubmitting the information to th NRC is contained in Reference Wc).Contingencies for equipment unav ilability are addressed in the NUREG.If the licensee's position on a of this equipment is that it is notsafety-related that position s uld be justified in the submittal.Staff judgements in this regar will be made in a Supplement to theoriginal Safety Evaluation.(5) Safety Evaluation Implementation -Reference (b) requires the staff toissue Safety Evaluations by/February 1, 1981. These Safety Evaluationswill be issued with a requ t for licensee response under the provisionsof 10 CFR 50.54(f). Subsejuent to the staff review of that response, thestaff will issue Confirma bry and/or Show Cause Orders which provide theopportunity for a hearing/to implement the specific requirements appli-cable to that facility. this procedure may make existing:hearing/extensionrequest based on Referqhce (a), unnecessary. Licensees with suchrequests should review this matter and advise the NRC of their intentsas soon as possible. F rmal notification Is necessary to change existingrequests.Darrell G. Elsenhut, DirectorDivision of LicensingDE RosztocjY i~ryoJOFFICEI0 ORB #2# AD:DL DE OELD.... .. DDP;&.... ......I RB #.2 ..... ................ .. .............. .. ........... .......k...i...SURNAMt MW s :kfTI k T TNovak RVollmer SSohinki RPurple DEisenh' .. ............ ...... ............. ...... ..................... ........ ................. ........ ............. ....... ..... ...................DATEI 1/ /to 1 2/4 j9 12/ / 12/ / j 12/ / 12/ / 12/ /........ ..................... ......... ............ ..................... .... ................. .................... ................. ..NRC FORM 318 (i1080) NRCM 0240O FFICIA L R EC O RD C OPY-.- US;PO: 1980-329-824 ALL LICENSEES OF OPERATING PLANTS AND APPLICANTS F OPERATING LICENSESAND HOLDERS OF CONSTRUCTION PERMITS 7SUBJECT: INFORMATION REGARDING THE PROGRAM FOR. tNVIRONMENTALQUALIFICATION OF SAFETY-RELATED ELE9TRICAL EQUIPMENTReference (a) -Order for Modification of License concerning theEnvironmental Qual1ficati owof Safety-RelatedElectrical Equipment, October 24, 1980Reference (b) -Commission Memorandum aqd Order of May 23, 1980 (80-CLI-21)Reference (c) -I&E Bulletin 79-018 Supplement No. 3, October 24, 1980.On October 24, 1980, the staff-issued Orders [Reference (a)] to all powerreactor licensees, which modified their Technical Specifications in accor-dance with the Commission-approved tnvironmental Qualification Requirements[Reference (b)]. The purpose of tfis letter is to provide information inresponse to licensee requests, refarding these Orders and the associatedstaff actions. The specific iteus to be addressed involve the environmentalqualification (E-Q) requirements of the electrical equipment for thefollowing: (1) equipment necessary to achieve a cold shutdown (2) replacementparts, and (3) Three Mile Islnd (TMI) Action Plan (NUREG-07371 equipmentand (4) the June 30, 1982 deadline of Ref. (a).(1) Cold Shutdown -Refereffce (c) requires licensees to submit E-Qinformation for the e4uipment necessary to achieve and maintain acold shutdown conditfon. This Bulletin requirement was not intendedto invoke a change lb the licensing basis of the plant. Plantslicensed to a hot '¶iafe shutdown" condition are only required byReference (a) to q9alify the equipment necessary to achieve a hotshutdown (i.e., plant specific safety-related equipment). However,the Bulletin doei require that the licensee submit the availableinformation. Thb Reference (c) position represents an envelopingstaff positionkto be implemented on a case-by-case basis. RegulatoryGuide 1.139 cofitains the implementation plans for the cold shutdownrequirements, of which E-Q is a part. Staff reviews are in progresson this issug.(2) RQPiacementj'Parts -We note that this requirement is set forth inreference 1b) Eti not explicitly in the ordering clauses of reference(a). In Ohis regard, the E-Q requirements for replacement parts areclearly presented in Supplement No. 2 to IEB 79-OlB (September 30,1980). / is the licensee's responsibility to justify deviation from./I.1OFFIC~tO FC O ................... .......... ...................... ...................... ............ ................ ..................... ........... ..................... ........... ...............SURNAMEtISUR AMEO ........ .......... ................... ..................... .......... .............................. ..................... .......... ................... .. ................... .....................ATI. 1. _ _ __ __ .1 __ __ __ __NRC FORM 318 (1O8O .N C ............. OFF.....CIAL... REC O RD........ COPY...........P........... .. .............NRC FORM 318 (lO/80) NRCM 0240O FFICIA L R EC O RD C OPY., USGPO: 1980-329-824
-2 -the Category I column of NUREG-0588 In an auditible manner. "Soundreasons" for such deviation are plant/equipment specific. Examplessuch as availability or system incompatability,,are a matter ofdegree and will be judged accordingly. /(3) NUREG-0737 Equipment -The qualification re4 irements for thisequipment are specifically addressed in Apendix 8 to the HUREG.The kciedule for submitting the inforMattn to the NRC is containedin Reference (c). Contingencies for equipment unavailability areaddressed in the NUREG. If the licensee's position on any of thisequipment is that it is not safety-reited within the meaning ofreference (2), that position should justified In the submittal.Staff judgments in this regard will Je made In a Supplement to theoriginal Safety Evaluation. t(4) June 30, 1982 Deadline -Some licensees have indicated that the newE-Q requirements have resulted ii saturation of the test/productioncapabilities of the industry, aqk violations of the deadline mayoccur. Licensees should note that the Ref. (a) orders implementeda Commission imposed deadline ZTRef. (b)] and the staff is unable togrant relief from this deadli19.Some licensees have submitted eitier a hearing request or a request foran extension of the time to requert a hearing In regard to Ref. (a).Others have submitted letters of concern regarding specific requirements.The former will be addressed on n individual basis. This letter respondsto the generic concerns of both/groups./ Sincerely,-? Darrell G. Elsenhut, Director/ Division of LicensingiI*See attached file co~/ for previous concurrences/IOFFIC OR E OI&E OELD OV DL:DD DL:D....... ......... ............ ......... ................. ......... ................. ......... ................. ......... ................. ......... ....................SURNAMEO T I.ovak EJordan SSohinki RPurple DGEisenhut I................... .................... ..................... ..................... .........................................DATE_ _ 1 /81 1/ /81 l/ 81 1/ /81 1/ /81.3 ........... ................R.... L.......... ..................... ..........2............................... ....................NRC FORM 318 410/80) NRCM 0240OFFICIAL RECORD COPY* US;PO: 1980-329-824
-2-clearly presented in Supplement No. 2 to IEB 79-OIB (September 30,1980). It is the licensee's responsibility to Justify deviation fromthe Category I column of NUREG-0588 in an auditible manner. "Soundreasons" for such deviation are plant/equipment specific. Examplessuch as availability or system incompatability, are a matter ofdegree and will be judged accordingly.(3) NUREG-0737 Equipment -The qualification requirements for thisequipment are described in Appendix B to the NUREG. The schedulefor submitting the information to the NRC is contained in Referencetc). Contingencies for equipment unavailability are addressed inthe NUREG. If the licensee's position on any of this equipment isthat it is not safety-related within the meaning of reference (a),that position should be justified in the submittal. Staff Judgmentsin this regard will be made in a Supplement to the original SafetyEvaluation.(4) June 30, 1982 Deadline -Some licensees have indicated that the newE-Q requirements have resulted in saturation of the test/productioncapabilities of the industry, and violations of the deadline mayoccur. Licensees should note that the Ref. (a) orders implementeda Commission imposed deadline [Ref. Ib)J and the staff is not authorizedto grant relief from this deadline.Some licensees have submitted either a hearing request or a request for anextension of the time to request a hearing in regard to Ref. (a). Othershave submitted letters of concern regarding specific requirements. Theformer will be addressed on an individual basis. This letter responds tothe generic concerns of both groups.Sincerely,Darrell G. Eisenhut, DirectorDivision of Licensing*See previous file copi S ncur cesOFFICEO Dl OELDj DL:DDSURNAMEO s :m va EJor SSohinki4k RPurple D nhutDATEF 1 1/- /8 1\/8i j 1/ / 8T 1 1 j........................... ... .................... ...................... ..... ................ .................... ....................NRC FORM 318 110/801 NRCM 0240 OFFICI1AL PRECRDn~ COPYV USGP0: 1980-329-824_ * * * *x__
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