ML19220B004
| ML19220B004 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 01/17/1978 |
| From: | Lee T Office of Nuclear Reactor Regulation |
| To: | Butler W Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 7904250155 | |
| Download: ML19220B004 (9) | |
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l Jfst,' 17 37a ME"0RA.'IDU'i FOR:
W. R. Butler, Chief, Plant Systems Branch, COR FRCM:
T. M. Lee, Plant Sys tems Branch, COR THRU:
[iR. L. Ferguson, Section Leader, Plant Systems franch,00R
SUBJECT:
TRIP REPORT - VISIT FOR FIRE PROTECTIO" EVALUATION Fac il i ty:
Three Mile Island Nuclear Station, Unit 2 Docket Number:
50-320 Applicant: Metropolitan Edison Company, Jersey Control Power and Light Comoany, and Pennsylvania Electric Co.
On January 2-6, 1978 representatives of the NRC staff met with the applicant's reorasentative to visit the plant site. The purpose of this visit was for NRC staff members to observe the plant features pertinent to the plant's fire protection program.
A list of participants frem the NRC staff, the applicants' stcff and consultants is enclosed (Enclosure 1).
The visit followed the standard site visit agenda for fire protection.
During the course of the visit the staff revised their list of recuests for additional information which was transnitted previously to the applicant on December 27, 1977.
Such revisions ar e identified (Enclosure 2).
At the conclusion of the visit, the staff identified their concerns and positions which were discussed extensively with the aoolicant.
Those cositions and the applicant's commitments are attached (Enclosure 3).
In addition, the acplicant has connitted to:
1) completion of all proposed fire protection program prior to the fuel loading; except the manual actuation backup to the automatic Halon system in the cable screading rocm vehich may be delayed for several weeks.
Certain interin measure will be proposed.
- 2) provide written response to the staff's requests for additional information by January 11, 1978.
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- 3) provide, by Jarvary 11, 1978, schedules for imolementing additional modifications specified in staff positions which the applicant has committed to.
- 4) provide, by January 11, 1973, a list of fire areas where the assumotion that cables inside metal conduits will not be diabled by the design basis fire leads to a different conclusion in the fire hazard analysis.
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T. Lee Plant Systems Branch Division of Operating Reactors cc:
D. Eisenhut W. Butler D. Vassallo
- 5. Varga R. Ferguson T. Wambach R. Tedesco V. Benaroya f.c
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ENCLO:URE 1 THREE MILE ISLAND NUCLEAR STATICN. UNIT 2 00CKET NO. 50-320 LIST OF PARTICIPANTS NRC STAFF U. R. Cutler (COR)
H. Silver (OLPM)
T. M. Lee (COR)
M. J. Virgilio (DCR1 R. J. Paolino (Region I)
NRC CONSULTANT E. *bcDougall (O;L)
J. Klevan (RJA, Inc. )
J. H. Riocelie (ENL)
APPLICANT'S STAFF R. C. Cutler (GPU)
J. J. Eorton (GPU)
J. R. Thorpe (CPU)
R. M. Kilingaman (Met Ed)
G. W. Grice (Met Ed)
R. K. Swavely (Met Ed)
C. Smyth (Met Ed)
W. H. Hirst (GPU)
R. L. Williams (GPU)
W. F. Itschner (GPU)
L. A. Fisher (Met Ed)
APPLICANT'S CCNSULTANTS R. Gaspercic (Burns & Roe)
I. Pubin (Burns & Roe)
G. Rahner (EDS Nuclear)
J. P. Oliver (MLM Protection)
R. J. Baschiere (EDS Nuclear)
W. J. Ritsch (EDS Nuclear)
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_ENCLOSLTE 2 THREE MILE ISLAND 1UCLEAR STATICN, U"IT 2 COCKET NO. 50-320 RE'!ISION TO THE LIST CF REQUESTS FCR ADDITIC"AL INFOPATICN I.
The following requests are deleted from the list.
Requests nucbers 4, 31, 29, 41, 45, 47, 52 (except the las t part). 53, 55, 69,
'O, 80, 85, 87, 33, 90, 91 and 98.
II.
The follcuing requests are added to the list.
101.
Provide the completion schedule of the fire crotection program which includes tne i.Talcrentation of administra-tive controls and equir. cent such as automatic detection and suppression systcas, fire do:rs and damcers, and manual fire fighting equi;mant.
102.
Provide snche and fuel contribution ratings, by ASTM E-ES test, of the control room ceiling tile.
Provide the name of the test laboratory and Drocedures by which the flame spread of 0-25 was established.
103.
Describe hcw the reserve fire fighting equicnent is stored and made accessible during the fire cmergency.
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ENCLOSURE 3 THREE MILE ISLAND NUCLEAR STATION, UNIT 2
_ DOCKET NO. 50-320 STAFF POSITICN AND APPLIC?NT'S PESPONSE
- Pl.
Electrical Cable Penetraticn Cualification The applicant will crovide qualification information by January 11, 1978.
The staff will revie..* and take furtner posi tions if aporo-priate.
"P2.
Fire '.later Valve Suooression Deleted here - see Position 17.
'P3.
19nual Hose Stcticn The position is revised to read " Manual hose stations should conform to all the requiremen ts of NFPA 14.
Interior manual hose stations should be able to reach any location in safety-related areas ar.d other areas wnich contain maicr fire hazards witn at least one ef fective nose s tream".
The applicant commits to this cosition.
- P4.
Fire Cetector in Control Rocm Cabinets and Consoles The applicant commits to relocate the existing fire detectors in the control room to detect fires in safety-related cabinets and consoles more quickly.
The staff accepted.
- P5.
Battery Room Ventilation Air Flow Pcnitor The applicant will reposition monitors and furnish data on reliability and effectiveness, and calibration.
If this data is satisfactory, the staff will accept.
- Positions F1 through P6 were transmitted to the applicant on Decenber 27, 1973.
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- P6.
Fixed '.!ater Svstem in Cable Screadin; Poca Deleted here - sce Position 15 P7.
Staff Position One additicr.al ranual hose statien should be provided ac each entrcnce to the river water puro house.
Acclicant's Resec"s e The applicant ccmm.its to the position.
PS.
Staff Position in autcratic water suceression systa sh:uld be p-x/ided in the bas %1 of e2r diet ?i
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A:elicanc's Rasnarse The apolicant commits to meeting the position cr an accept:ble al te rnate.
P9.
Staff Position Openings between redundant diesel rooms, including that in the air intake area, shcuid be sealed or orovided with additional protecticn ageinst possible leakage of ccmbustible oil through the gap between the doce and the floor.
Acolicant's Restonse The applicant ccmmits to meet the cosition or provide an acceptable al ternate.
P10.
Staff Position All fire doors should be electrically sucervised. ith time delayed alarm in a constantly occuoied area. er locked closed.
Acolicant's Resconse The applicant cct: 1ts to the position.
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Staff Position Door openings in a fire barrier should be crotected with equivalent rated dcors, frames and hardware that have been tested and accroved by a nationally recognized laboratory.
Acolicant's Eesconse The applicant will attemot to obtain labelir.g cr certification en doors and fraues, end shc.e that construction of doors and francs. re;et:ej and sno.. that construction of doors and frames are ecuivalent rate; items.
UL certification will be acceptable.
P12. Staff Posi"cn C c r t~,1
,i ::h e:-
(1) All coc' inc and ccff ae becwinc cility U:d acti'. ity in the control roen sroulc be limited to the kitchen ar:a.
Ceeo frying should be curtailed.
(2) Provide hood and grease collecting filter over the range.
(3) Additicnal Class B nortable extir.guisner should be provided for the ki tchen.
(4) The ' iced cabinet in the kitchen should be replaced by a metal cabinet.
Apolicant's Pesconse The applicant commits to the position.
P13.
S ta f f Po s i ti_o_n Sealed beam emergency lights should be provided with individuai 8-hour minimum battery power supolies.
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% Acolicant's Resconse The applicant commits to providing 5-hour emergency lights, " tith portable light backup. The staff accepts the provisicn.
Pl4.
Staff Position Revise your flre hazard analysis to exclude the assumotion that cables inside matal conduits will not be damaged by a desian basis fire.
The analysis should postulate all cables in the area will be lost to a fire.
Apolicant's Rescans e__
The apolicant :ill cerfc cm the repuested analysis.
The staff will revie. procicm areas and take ecdinicnal pos iticr.s cer 3r next.:a,:
These ccsitions mcy ca m;di#iad if tLe ac.aysis w a rran ts. Acpiic:.nt will provida list Of fire aress.7ere cc:;.'.
wcs taken for survival of cable in conduit by Janatry 11, 1975.
P15.
Staff Position Provide a summary of the cable screading rocm separation critaria which demonstrates that the se:aration meets the provisicn of Regulatory Guide 1.75, or pr0vice shutd wn caDability indeoendent of the cable spreading roon. Provide a manually coerated fixed water system backup to the autcmatic Halon system per Section F.3 of Appendix A to BTP 9.5-1, Water soray shield shculd be proviced to protect relay cabinet in the roca.
Acolicant's Resconse The applicant will provide the seo3 ration information.
The applicant commits to installing a fixed manual water suporession system. A schedule for the design for the. system will be provided by January 11, 1973.
P16.
Staff Position Provide three fire fighter type smoke ejectors, wi th a combined capacity of 15,C00 s 20,000 cfm, and cortable ducting to facilitate evacuation of toxic smoke frem, the fire area.
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. Acolicant's Resconse The applicant comits to the position.
Pl 7.
Staff Position Fire water valves should be electrically supervised, or locked open, or providad with tancer proof seal and periodic visual check.
Acclicant's R'snonse The applicant cc=its to the position.
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