ML20079G342
| ML20079G342 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 01/16/1984 |
| From: | Kemper J PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | Eisenhut D Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8401200049 | |
| Download: ML20079G342 (14) | |
Text
t-1 i
j PHILADELPHIA ELECTRIC COMPANY 2301 M ARKET STREET P.O. BOX 8699 PHILADELPHIA. PA.19101 (215)841-4502 VIC E-PR ESI DE NT ENGtME E ROMG AND RESE ARCN Docket Nos. 50-277 50-278 Mr. Darrell G. Eisenhut Division of Licensing U.S. Nuclear Regulatory Commission Washington, D.C.
20555
SUBJECT:
Peach Bottom Atomic Pcwer Station Fire Protection Modifications Progress Report REFERENCES :
1)
Letter f rom J. W. Gallagher to D. G. Eisenhut, dated February 25, 1983 2)
Letter from V. S. Boyer to D. G. Eisenhut, dated December 2, 1983
Dear Mr. Eisenhut:
Philadelphia Electric Company, in the Reference 1 letter, proposed to submit Peach Bottom's Fire Protection Modifications Progress Report every four months, starting in May, 1983.
We also proposed, in the Reference 2 letter, to include confirmation of the specific status of safe shutdown system cabling requiring encapsulation or re-routing schedule extensions beyond our December 31, 1983, commitment date.
This letter provides the Third Progress Report transmitted to you to date.
Included in this report are the specific cable encapsulation and reroute work which were not completed by December 31, 1983.
We did, however, complete a substantial portion of the encapsulation work during 1983, per our commitment in the Reference 1 letter.
A cummary of the work items in the progress report would show 1470 linear feet complete out of 2860 linear f eet total.
8401200049 840116
'C PDR ADOCK 05000277 1
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Mr. Darrell G. Eisenhut Page 2 The following paragraphs are to clarify two catgories
'added to the Modification Progress Report:
l~
Single Asterisk
.There are two new modifications included on the Modification Progress Report..The first modification was identified on Table 4-1 of ' the September 16, 1983, submittal entitled,
" Alternative Shutdown Capabilty Assessment".
The modification was referred to as " Implementation of permanent plant fix to enable powering of two MCC's f rom Unit 3 load centers" (pg. 6, Fire Area 7).
Several approaches to accomplish this modification were investigated.
However, the most' ef fective solution is to permanently relocate the f eeds to the "B" ' and. "D" diesel generator motor control centers f rom the Unit 3 load centers instead of the Unit 2 load ce nt ers.
This will minimize the impact on normal plant operations and will not require any switching operations to provide diesel auxiliaries during post fire shutdown operations.
The relocation of these feeds will insure that i-
' at.least two diesel ' generators motor control centers will be available following a fire on elevation 165 of either Unit.
An attempt will be made to complete this modification by the end of the next Unit 2 refueling outage.
The second modification was identified during the outlining of the procedures necessary for the various shutdown scenarios.
The battery chargers for 'the HPCI and RCIC systems must be re-established, respectively, depending upon the systems being used for shutdown.
The feeds to the battery; chargers were to be provided by temporary feeds to the appropriate battery chargers.
Since the feeds are required in support of hot shutdown, these f eeds must be I
installed permanently so as not to be considered as repair
. p ro cedures.
Backup f eeds, along with bypass and isolation switches, will be provided for the 2B and 2D battery chargers l
f rom a Unit 3, B-channel motor control center, and for the-3A and 3C battery chargers from a Unit 2, A-channel motor control center.
There are four encapsulations required in L
support of these battery charger cross-tie feeds.
These four r
are -identified on.the Modification' Progress Report immediately following the battery charger cross-tie feed
~
item..This will permit the appropriate battery chargers to
.im re-energized following a fire in the various Fire Areas, i.e.,
a fire on elevation 165 of the Unit 2 -Reactor building would disable all Unit 2 battery charging; the 2B and 2D battery chargers would be f ed f rom Unit 3, thus allowing l
extended use of~the Unit 2 HPCI system.
An attempt will be L
made to complete this work by the end of the next Unit 2 refueling outage depending upon equipment availability.
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Mr. Darrell-G. Eisenhut Page 3 There are also three 125V DC Eeeds that need encapsulation.
These cables were def erred to Alternative Shutdown, since it was thought that these cables would be modified as part of alternative shutdown.
Since they are not being modified, they are now being included in the list.
An attempt will be made~ to compl'ete.this work by the end of the next Unit 2 refueling outage.
-2.'
Double Asterisk This-denotes-.approximately 100 feet of cable and raceway that may not be complete by. 3/15/84, due to exceptional interference problems requiring unique support designs.
Should you have any. questions or require additional information, please do not hesitate to contact us.
Very truly yours, S O/--
Attachment-
'cc:
A. - R.
Blough
a.-
Appendix I Page 1 of 11 January, 19P4 PBAPS Fire Protection Mod Proaress Reoort Revised to Account for Proposed Alternative Shutdown System
-(Does not Include Alt. SS Mods)
- (This Report Supersedes the September 16, 1983, Report)
K;y: 2-EOO means " Unit 2 - End of Next Refueling Outage" N/A - Not Applicable Expected Mod Description Status Completion Dates Mod. No.
R3 route.ZD201024K and Design 2-EOO 1029B ZD201027B - then complete for encapsulate in Fire reroutes.
-Zone 4-4C.
Ontage work.
No. encapsulation necessary.
Encapsulate 4 raceways Raceways are now N/A
'in Fire Zone 4B.
defined for ADS /CS and no encapsulation is necessary.
Raceways defined for-Encapsulation 3/15/84 1029A ADS /CS - Encapsu-in progress.
(As per Ref. 2) 10te 3 raceways
.in-Fire Zone 4-4C - ZAZD855 ZA2 MOO 1, ZA2M417.**
.Raroute ZD201024K in Design complete.
2-EOO 1029B Fire Zones 6-SE Outage work, and 6-5G.
Ono tray and 3 conduits Raceways are now N/A nsed to be encapsulated
-defined for
-in' Fire Zone 11-12B.
ADS /CS and no encapsulation is necessary.
Fix ZA301827A (reroute Complete Completed 1029B in Fire Zone 11-12C).
- As identified in the body of the letter.
Appendix I-Page 2 of 11 January, 1984
-Expected Mod Description' Status Completion Dates Mod. No.
Raceway defined -.
Encapsulation 3/15/84 1029A cnoapsulate in. progress.
(As per Ref. 2)
ZB3M002 in j-Fire Zone ll-12C.
~
B in Fire Zones13-13D of cable not N/A Encapsulate ZB3Ol794A,
' Encapsulation and 13-13G.
necessary due to alternative shutdown system and exemption request'for-torus area.
Encapsulate 7 cables Raceways are now N/A
.in Fire Zones defined for
'11-60 and 11-63.
ADS /CS.,and no encapsulation is necessary.
Encapsulate cables Raceways are now N/A ZA3Q1018B, C in Fire defined for ADS /CS -
"one 2-62.
and no encapsulation is necessary.
Encapsulate 4 cables Raceways are now N/A
'in Fire Zones defined for ADS /CS t
11-65A, B, C'and and no encapsulation 72D.
is necessary.
Raceways defined Encapsulation 3/15/84 1029A encapsulate ZA2M417; in progress.
(As per Ref. 2)
ZB3DOO2 in Fire
. Zone 11-75.
Encapsulate several'4kV Conduits are N/A power feeds in Fire installed within Zones 78A, B,
E and permanent plant Fire zone 114.
walls in this area.
No encapsulation is necessary.
. Encapsulate conduits Encapsulation 3/15/84 1029A ZA2B1249, ZC2B1247 in progress.
(As per Ref. 2) and ZA2B143 -in Fire
' Zone 50-78A Encapsulate conduits Complete Completed 1029A 1ZC3B137, ZC3B150 and Junction Box J17 in -
Fire : Zone 50-78A.
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' Appendix I Page 3 of 11 January, 1984 4
Expected Mod 'Descripti on Status Completion Dates Mod. No.
Encapsulation 1/2 SSA Encapsulation 3/15/84 lO29A raceways'in Fire in progress.
(As per Ref. 2)
' Zone 50-78 B.
-Encapsulate several 4kV No longer N/A
' conduits.in' Fire necessary due
- Zone 50-82 to safe shutdown strategy change.
Encapsulate conduit No longer N/A ZA3D001 in Fire necessary due l
Zone 30-117.
to safe shutdown progress.
Encapsulate ZB3D1802A, Encapsulation 3/15/84.
1029A B and ZD3DD01E in in ' progress (As per Ref. 2)
. Fire Zone 31-118.
Encapsulate ZD3DD01E Complete Completed 1029A in' Fire Zone.32-119.
Rslocate battery chargers Complete Completed-lO29C 3BD03 & 3DD03,'then 1029A cncapsulate ZB3BDOlE in / Fire - Zone 32-120.
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Encapsulate ZB3B1114A Encapsulation N/A cnd ZD3DD01E in Fire
.of cables Zone ' 33-12 0.
not required due L
to new safe shutdown strategy and field survey results.
Encapsulate cable Encapsulation N/A
-OG05H Lin Fire -
no longer Zone 11-147.
necessary due to safe shutdown strategy change.
[
Encapsulate OG03H.
Encapsulation 3/15/84 1029A and ZA2AG121B** in in progress.
(As per Ref. 2)
Fire Zone 35-122.
' Redesign 2A1706R -
Outage Outage work 1029A i
encapsulate OGO3H
-work complete, completed.
.c.nd ZA2AG121B**
Encapsulation 3/15/84 in' Fire Zone :37-124.
in progress.
(As per Ref. 2)
- As' identi fied lin the body of the letter.
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Appendix I h
Page 4 of 11 January, 1984 Expected Mod -Descripti on.
Status Completion Dates Mod. No.
Redesign 2A1603R -
Complete Completed 1029D snoepsulate ZB2BD01E. in 1029A Fire Zone 125.
~ Ralocate ' battery char ger Design 2-EOO 1029C
-2DD03, then-complete.
1029A
-encapsulate related-Outage work.
cables in Fire Field survey Zone 39-126.
in progress for encapsulation.
Encapsulate ZB2BD01E,-
Encapsulation N/A ZBOB6143C and-unnecessary due ZB2B1122A in Fire Zone to new safe shutdown 39-126.
strategy, and field survey results..
Encapsulate
/
Encapsulation 3/15/84 1029A
- ZA2A1505A in Lin progress.
(As per Ref. 2)
' Fire Zone 127.
Encapsulate - ZB2D1802A, Com lete Completed 1029A B and ' ZB2BD01E in D
' Fire Zone 41-128.
D '. Encapsulate ZA2B1249, Field survey 2-EOO 1029A
!l ZA2B143 and ZC2B124 7
- complete, f l., in Fire Zone. 50-130.
Design in (Due to -the high level i 'd k progress,
of radiation during opera-rd tion in Fire Zone 130 and the' lengths of the runs i
of ZA2B1249 and ZCZB1247 (250 feet), this moditication must be done during an outage. )
Redesign.
Work Completed 1029D cables. 2A1603J, j K, L,
complete.
- 2A1706J, K, L -
in. Fire Zones.
7 13 2 n 44-13 3~,- 45-134 and 46-135
- cs c re quired..
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Appendix I Page 5 of 11-January, 1984 y
Expected Mod Description Status Completion Dates
!!od. No.
Encapsulate ADS /CS Encapsulation 3/15/84 1029A rcceways in in progress.
(As per Ref. 2)
Fire Zone 11-147.
I Upgrade penetration seals Concentrating 3/1/84-1110 to required. ratings as on Unit 3 previously committed in outaga work.
correspondence from 3700 seals l
J. W. Gallagher to of 6300 D. G. Eiserahut,
estimated
. dated 10/14/81.
complete.
Change the set'.ings on Complete 3-Completed 2-1029G the following 4kV-in Unit 3.
2-EOO 3-1029H circuit breakers:
Awaiting Unit 2-152-1505, Unit 2 152-1705, 152-1806; outage.
Unit 3-152-15 05...
Unit 2 design 152-1806.
complete.
~ Change the settings on Complete 3-Completed 3-1029H the 480V load center in Unit 3.
2-EOO 2-1029G circuit breakers:
Awaiting Unit 2-1013... 1322 ;
Unit-2 Unit 3-1212..
1114.
outage.
Design complete.
R0 place the following Qualified First Jefueling 2-1029J, 480V motor control center breakers outage or planned Common-Ergnetic-only circuit not outage that lasts at
- 1029K, breakers with thermal currently least 60 days, com-3-lO29L magnetic circuit breakers:
available, mencing after 6/1/84.
Unit 2-3671..
2851; Qualification Breakers still not Common-495 5, 5055, 6131, process in qualified. Schedule Unit'3-3851..
6033.
- progress, change due to (As previously committed expected to outage change caused to in correspondence f rom lete by Unit 2 forced outage.
be comp /84.
by 2/1 S. L. Daltrof f to D. G.
Eisenhut, dat ed Jcnuary 12, 1983.)
Add new ground overcurrent Design.
2-EOO 1029M rolays.to the following complete.
4kV circuit breakers:
Relays
' Unit 2-152-1606 and available.
152-1709.
Awaiting Unit 2 outage.
Appendix I Page 6 of 11 January, 1984 3'
Expected Mod Description Status Completion Dates, Mod. No.
{
l R place the existing Design 2-EOO 1029N ground overcurrent relays
- complete, for the following 4kV Relays circuit breakers:
order ed.
Unit 2r 152-1606 and Awaiting 152-1704.
Unit 2 outage.
s l
Add eight-hour battery Complete Complete, startup 1029R f
power supply capability (Alternative' problems resolved.
to the Emergency Lighting shutdown System in the following system design locations: Main Control will add Room,, Remote Shutdown additional P2nels, Cable Spreading areas.)
Rocm (selected locations ),
Fcur Emergency Switchgear
[
Rooms, HPSW Pump bays and
}
the fifth bay in the DG Building.
Provide a water cur tain Complete Completed 1029U in the west corridors of rc2ctor building, elev.
135 Units 2 and 3.
Icolate the corridor Complete Completed 1029S bshind the emergency switchgear rooms.
Provide dikes for Complete Completed 1029T E2ergency Load Centers on elevation 165, Units 2 and 3.
Provide smoke detectors Complete Completed 1029W in Fire Zones50-78A and 50-82 since the zones have a fixed combustible loading and no existing smoke d tection system.
Appendix I Page 7 of 11 January, 1984 Expected Mod Description Status Completion Dates Mod. No.
Provide -smoke detectors Complete Completed 1029W in Fire' Zones 2-70,11-72E, 11-72F, and 11-74
'cince the zones have i
o fixed combustible leading and no existing l
smoke detection system.
l Provide line type heat Complete Completed 1029W d;tectors in cable tray L
in Fire Zone 29-108 since the area has a fixed co2bustible loading and no existing fire d tection system.
Provide smoke detectors Complete Completed 1029W in Fire Zones 26-76 and 22-77 due to the possibility of transient combustibles in these zones.
R; route conduit ZB2D785 Design 2-EOO 1029B outside of' Fire Zones complete.
(administrative 50-78B and 50-78W.
controls will be provided after July 1,
- 1933, until completed)
Encapsulate.ZA2A1506A Complete Completed 1029A in Fire Zone 50-131.
Encapculate raceways Encapsulation 3/15/84 1029A ZA2M165 and ZA2M166 in progress.
(As per Ref. 2) in the north half of Fire Zone 6-5H.
Encapsulate raceway Design in 3/15/83 1029A ZB3P315 in the south progress.
(As per Ref. 2) h21f of the Fire Zone 13-13H.
Rsroute 201019B, F Design in 2-EOO 1029B cnd encapsulate new progress (As per Ref. 2)
' Zone 5-5H.
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Appendix I Pcg3 8 of 11 January, 1984 Expected Mod Description Status Completion Dates Mod. No.
Encapsulate ZC2A1705A ho longer N/A in Fire ~ Zone 11-12C.
necessary due to change in safe shutdown strategy.
Rcroute ZB2Q2074A, Design in 2-EOO lO29B cnd encapsulate progress..
(As per Ref. 2) new raceway in (part of CS/ ADS)
Fire Zone 4-4C.
l R: route ZAB5944A Design in 2 months from lO29B f r:m Fire Zone progress.
material availability ll-72B.
Install a single Complete Completed 1029W smoke detector in tha drywell access httch areas of both units, Fire Zenes 6-22 and 13-28.
The detectors are
-to be tied into existing loops on 135' of the Rx Bldgs.
Encapsulate ZD2P219 Complete Completed 1029A in Fire Zone 4-6.
Encapsulate ZA2LO75 Complete Completed 1029A in Fire Zone 5-7.
Encapsulate ZD3 LOO 4 Complete Completed 1029A in Fire Zone 12-15.
Install a single Complete Completed lO29W smoke detector in Fire Zone 11-65C.
The' detector is to be tied into the existing loop on 91'-6" of the Radwaste Bldg.
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Appendix I Page 9 of 11 January, 1984 1
Expected
)
Mod Description Status Completion Dates Mod. No.
Install 97 3-hour 75 dampers 6/1/84 1309 j
rcted fire dampers ordered as of in HVAC ducts 12/23/83.
- penetrating fire 38 received.
' barriers.
Design is 70% complete.
Modifications Identified af ter the September 16, 1983, Alternative Shutdown Submittal Install battery charger Design being 2-EOO dependent 1029B cross-tie feeds as inve stigat ed.
upon equipment identified in.
delivery.
the body of the letter.
These cross-tie feeds will be encapsulated c3 required.
Encapsulate ZA2M416 Field survey 2-EOO lO29A in Fire Zone 6-5H.*
required.
Encapsulate cable Cable location 2-EOO 1029A ZD2B3983A in Fire dependent on Zene 38-125.*
battery charger 2DD03 relocation, requires an outage.
Encapsulate ZB3M149 Field survey 2-EOO 1029A cnd ZD3D489 in Fire
- requi red (conduit Zone 32-119.*
numbers dependent on field work for 1029C).
Encapsulate ZB3M149 Field survey 2-EOO 1029A in Fire Zone 33-120.*
requi red.
CAs identified in the body of the letter.
- -^
Appendix I Page 10 of 11 January, 1984 Expected Mod Description Status Completion Dates Mod. No.
- Rolocate B and D.
Design being 2-EOO 1029B
' Dicsel Generator-MCC investigat ed.
feeds as identified in the body of the letter.
ThIse feeds.will be
- cnonpsulated as required.
Encapsulate ZC3D481 Field surveys 2-EOO lO29A cnd ZC3D482 in Fire in progress.
Zone 34h l21.*
Encapulate ZA2D841 Field surveys 2-EOO 1029A in Fire' Zone.35-122.*
in progress.
. Encapsulate ZC3D481 Field surveys 2-EOO lO29A cod ZC3D482 in Fire in progress.
Zone 123. *
{'
Encapsulate ZA2D841 Field Survey 2-EOO lO29A l
in Fire Zone.
in progress.
( 124.*
Encapsulate ZC2A484**
Field survey 3/15/03 lO29A in. Fire Zone in progress.
(As per Ref. 2) 144.
Raroute 5 cables in Design 2-EOO lO29B Fire Zone 6-5H -
in progress.
(As per Ref. 2)
ZC2B3814Ar ZC201228A, B;
. ZC201230B, C.
- Raroute 'ZC201228B Design in 2-EOO 1029B
-and ZC201230B in progress (As per Ref. 2)
Fire Zone'6-5J.
Rsroute 4 cables in Design 2-EOO lO29B Fire Zone 25-72A -
in progress.
3 - 3/15/84
~ ZC201221B; ZC201230B (As per Ref. 2)
- ZD301227B;-ZD301229B Rcroute 5 cables in Design 3/15/84 1029B
. Fire Zone 6-13H in progress.
(As per Ref. 2)
ED3B3952A; ZD3Q1227A, B; ZD3Q1229B, C.
0 As-identified in the body of the letter.
- As identified in the body of the letter.
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Appendix I Page 11 of 11 January, 1984 Expected Mod Description Status Completion Dates Mod. No.
ROroute ZD301227B Design 3/15/84 1029B cnd ZD3Q1229B in Fire in progress (As per Ref. 2)
Zone 6-13J R0 route 12 cables In Design 2-EOO 1029B Fire Zone 28-78H in progress 3 - 3/15/84 (Cable Spreading Room)
(As per Ref. 2)
~Rcroute 6 cables in Design 2-EOO.
1029B
. Fire' Zone 29-108 in progress 3-3/15/84 (Main Control Room)
(As per Ref. 2)
Install 2 addi-Design 3/5/84 1029W tional smoke complete.
-1 dr.tectors in Fire Zcne 50-78A to provide area coverage.
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