ML15261A239
ML15261A239 | |
Person / Time | |
---|---|
Site: | Oconee ![]() |
Issue date: | 09/07/1999 |
From: | Landis K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
To: | Mccollum W DUKE POWER CO. |
References | |
NUDOCS 9909220049 | |
Download: ML15261A239 (36) | |
Text
September 7, 1999 Duke Energy Corporation ATTN:
Mr. W. R. McCollum Vice President Oconee Site 7800 Rochester Highway Seneca, SC 29672
SUBJECT:
MEETING
SUMMARY
- OCONEE NUCLEAR PLANT (ONS)
Dear Mr. McCollum:
t Tis that was conducted at the R c
- tgia, on Aus 25 1 to dis h reslts of recent Duke Powernopan r enance testing of penetration seals.
A list Of attendees and a copy of your presentation handout are enclosed.
It is our opinion that this meeting was beneficial. We appreciate the update on your pentrato seal corrective action program, fire endurance test results, and fire test engineering analysis.
In accordance with Section 2.790(a) of the NRC's "Rules of Practice," Part 2, Title 10, Code of Federal Regulations, a copy of this letter and its enclosures will be placed in the NRC Public Document Room.
Should you have any questions concerning this meeting, please contact us.
Sincerely, 10R Y D. IANDIS Kerry D. Landis, Chief Engineering Branch Division of Reactor Safety Docket Nos. 50-269, 50-270, 50-287 License Nos. DPR-38, DPR-47, DPR-55
Enclosures:
- 1. List of Attendees
- 2. Licensee Presentation Handouts cc w/encls: (See page 2) 9909220049 990907 PDR ADOCK 05000269 F
DEC 2
cc w/encls:
Compliance Manager (ONS)
Duke Energy Corporation Electronic Mail Distribution Lisa Vaughn Legal Department (PB05E)
Duke Energy Corporation 422 South Church Street Charlotte, NC 28242 Rick N. Edwards Framatome Technologies 1700 Rockville Pike, Suite 525 Rockville, MD 20852 Anne Cottington Winston and Strawn Electronic Mail Distribution Mel Fry, Director Division of Radiation Protection N. C. Department of Environmental Health & Natural Resources Electronic Mail Distribution Virgil R. Autry, Director Div. of Radioactive Waste Mgmt.
S. C. Department of Health and Environmental Control Electronic Mail Distribution R. Mike Gandy Division of Radioactive Waste Mgmt.
S. C. Department of Health and Environmental Control Electronic Mail Distribution County Supervisor of Oconee County 415 S. Pine Street Walhalla, SC 29691-2145 Lyle Grabber, LIS NUS Corporation Electronic Mail Distribution (cc w/encls cont'd - See page 3)
DEC 3
(cc w/encls cont'd)
L. A. Keller, Manager Nuclear Regulatory Licensing Duke Energy Corporation 526 S. Church Street Charlotte, NC 28201-0006 Peggy Force Assistant Attorney General N. C. Department of Justice Electronic Mail Distribution Distrib)ution w/encls:
D. LaBarge, NRR S. West, NRR R. Carroll, RII C. Julian, RIl PUBLIC OFFICE RII:DRS RII:DR RI RP SIGNATURE NAME GWiseman:pd KLand s CO e DATE 9/
99 9/
9/
COPY?
O OFFIC RECORD COP DOCUM NAME:
S:\\DRS\\ESduk up
LIST OF ATTENDEES Licensee D. Brandes, Fire Protection Engineer, Duke Energy Corporation (DEC)
W. Foster, Safety Assurance Manager, Oconee Nuclear Plant (ONS)
L. Groesbeck, Duke Engineering Services, Inc. (DE&S)
R. Heineck, Civil Engineering Supervisor, ONS H. Lefkowitz, Fire Protection Engineer, ONS NRC Region II K. Landis, Chief, Engineering Branch, Division of Reactor Safety (DRS)
G. Wiseman, Reactor Inspector, Fire Protection, DRS NRC Nuclear Reactor Regulation (NRR) by video conference T. Eaton, Fire Protection Engineer, Plant Systems Branch (SPLB)
D. LaBarge, Project Manager, Project Directorate 11-2 M. Salley, Fire Protection Engineer, SPLB
Duke o v w Power.
A DukeEnerV Company 4eNuc FIRE BARRIER PENETRATION SEAL EXPERIMENTAL TEST INFORMATION EXCHANGE WITH NRC I9 AUGUST 25, 1999
MDuke lo# Power.p A Duke Energy Company A G EN D Afeweu
.p See Nuc
- PURPOSE
- BACKGROUND
- TEST DESCRIPTION
- TEST OBJECTIVES
- TEST RESULTS
- SIGNIFICANT OBSERVATIONS
SUMMARY
2
aDuke P
PEPower.
A Duke Enero Company
'f fuct
- DEVELOP DATA FOR COMPARISON TO QUALIFICATION TEST DATA
- EVALUATE SAFETY SIGNIFICANCE OF DEFICIENCIES
- EVALUATE POTENTIAL ALTERNATE MATERIALS AND CONFIGURATIONS
Duke Power.BACKGRO D
A DukeEneW~ Company BACK ROU DII IN 88 IN RESPONSE, DOW ISSUED GAP CRITERIA, CITED VOID TESTING
- NUREG 1552 - DESCRIBED VOID AND GAP DEFICIENCIES IDENTIFIED ATVARIOUS STATIONS
- DC3-6548DATA SHEET - STATES ITIS USER'S RESPONSIBILITY TO ENSURE DESIGNS ARE SUITABLE FOR APPLICATION. ALSO STATES DOW CORNING'S ONLY WARANTY IS THAT PRODUCT WILL MEET THEN CURRENT SALES SPECIFICATIONS",
TE PolT o*eTEST o
A DukeEner& Company SDEWSCRI DESCR IP TION.I d
- TEST WAS PERFORMED AT OMEGA POINT LABORATORIES
- TEST DATE: MARCH 18, 1999
- TEST WAS MONITORED BY DUKE POWER NUCLEAR PERSONNEL and DE&S CONSULTANTS
- TEST PERFORMED IN A ORIZONTA TEST FURN CE (7x 12'x 40" deep) ip.
q
Duke TS EP m*,,TEST 14Power.
III A Duke Ener Company DESCRIPTIONMu
- ASTM E 119 PROTOCOL
- IEEE 634 ACCEPTANCE CRITERIA
- TEST ASSEMBLY INCLUDED 7 PENETRATION SEALS
- MINIMUM DUKE FOAM THICKNESS
- ALTERNATIVE MATERIALS AND CONFIGURATIONS 6
-ro PhDuke Power.TEST OBJECTIVES A Dihe En&rV Ca mpany T E lI
- IMPACT OF GAPS
- IMPACT OF VOIDS
- RELATIVE PERFORMANCE OF DUKE CABLES
- IMPACT OF COPPER PENETRANTS
- METHOD OF DAM BOARD ATTACHMENT A
7
Duke Power, TESTOBJECTIVES A Duke Enqrg Company OJ CI E (CoN'T)
PERFORMANCE OF OPTIMAL AND NON OPTIMAL CELL STRUCTURE
- IMPACT OF SEPARATION OF BUILDOUT CONFIGURATIONS POTENTIAL USE OF ALTERNATE DAMMING BOARD MATERIAL II
Duke o
PENETRATION# 1 ADuke EnwergyCompanym ePd4ed4TSUcdIg Nud
- NON OPTIMAL FOAM (REPAIR)
- JACKETED VS NON JACKETED CABLES
- CABLE TRAYS
- COPPER TUBES
- GAPS
- VOIDS 9
Duke A DukeEn Company 7~PENETIRATION #2 EXPOSED SIDE DAM BOARD WAS DIVIDED INTO 2 PIECES:
1 PIECE WAS HELD BY A THROUGH BOLT 1 PIECE WAS HELD BY LDS MOLDABLE CAULK INSTALLED INTERNAL VOID 10
ro.
Duke mPower PENETRATION #3 A Duke Energy Company
.l EXPOSED SIDE DAM BOARD WAS DIVIDED INTO 2 PIECES:
-1 PIECE WAS HELD BY A SKIM COAT OF SILICONE FOAM AS AN ADHESIVE 1 PIECE WAS HELD BY PLACING RIBBED NAILS INTO THE CURED SILICONE FOAM 11
Duke wer.
- 4
' I A Duke Enrg Company JNERATINT4 EXPOSED SIDE DAM BOARD WAS DIVIDED INTO 2 PIECES:
-1 PIECE WAS ATTACHED BY USING DOW 790 CAULK AS AN ADHESIVE TO THE TEST SLAB,
-1 PIECE WAS ATTACHED BY USING DOW 732 CAULK AS AN ADHESIVE TO THE TEST SLAB 12
Duke Duke Enr Company.
P N T ~
X I
N #
a&efa we.,PENETRATION #5 SNuded 100% FILL WITH NONOPTIMAL FOAM EXPOSED SIDE DAM BOARD WAS DIVIDED INTO 2 PIECES:.
1 PIECE WAS ATTACHED BY USING SCREWS INTO THE TEST SLAB 1 PIECE WAS ATTACHED BY USING NAILS INTO THE TEST SLAB 13
Duke A Duke Enerzy company ETP#&AI N6 EUowe PENETRATION #6 Nud NO DAM BOARD MATERIAL USED
- FOAM BUILDOUT WITH PENETRATION SEAL OVERLAP ORIENTED TOWARDS THE FURNACE 14
Duke
- Power.
EEDTT~T" Duke E
Cmpany 7PENETRAT
- 7 Muct 24" X 56" BLOCKOUT WITH NO STRUCTURAL BRACING
- DAM BOARD SECTIONALIZED WITH VARIOUS ALTERNATIVE MATERIALS
- DAM BOARD ATTACHED WITH VARIOUS METHODS & 1 THROUGH BOLT PER SECTION 15
DukeTETDT m
'Pv, TEST RESUT Power.,UT A Duke Enery Company INud TEST TERMINATED APPROXIMATELY AFTER 2 HOURS 42 MINUTES REASON: HOT GAS IGNITION ON THE UNEXPOSED SIDE FROM A PENETRATION FLAME THROUGH CAUSING CORRUPTION OF THERMOCOUPLE DATA DATA COMPARED TO FULL ACCEPTANCE, TESTS 16 di
Duke Power.
TEST RESULTS A DukeEnerg Company (IMPACT OF GAPS)
+
GAPS UP TO 3/4" WIDE BY 4" DEEP PERFORMANCE WAS COMPARABLE TO SEALS W/O GAPS Figure 4.1-3 Penetration I Tapered Gap (Thermal Contraction) 160 120 M
TryC.M 73'for gap fcr ro m Tre (TCC 030) 100 Tim (Mnu.e TC 810
-TC 30
-TC 831 TC 84$30n) a I
00 00 40 2
~~Notet:
Tapered gap.e8 op to I1 wid.; tapeig to 0 wido & a. point 4s doep x 42' tong.
t' 0
10 20 30 40 700 00 70 00 00 100 110
- 120, 130 140 100 100o 170 ISo Tme
- 17
-TC fig -TC.030 TC 031 -
TC 041 -Miri.--M A%
P o Po".
TEST RESULTS A DukeEnerg Company (CON' T)
(IMPACT OF VOIDS)
N o FULL DEPTH, NARROW GAPS WITH DAMMING BOARD PERFORMED ACCEPTABLY Figure 4.1-4 Penetration I Full Gap (Insufficient Fill) 400 360 100 200 TC 027 )
3 from gap A 4' from p D fro
, g p 3' ro Tray Note Pul gap was up to 2 elde a V deep a 42Iong.
0 0
10 20 30 40 so 0
o n0 0 o0 o
120 1
40 10 ISO 7a 1 0 e T 1.. IN 1..o61 1-TC
.!4 TC 027 -
TC 036 -
TC 037 MI.
18
J PO P. Duke TEST RESULTS A Duke Ener Company (CON'T)
(IMPACT OF VOIDS)
Muc SEALS W / VOIDS UP TO 4" X 4" X 4" (W / DAM BOARD) PERFORMANCE WAS COMPARABLE TO SEALS W/O Figure 4.1-6 VO DSPenetrtion I - CubedVod VOIDS---
'eVod Note: Cubed voide were 4' wide x 46 high x 46 deep.
500 S400 j300 200I Void Flush wi Bottom aide (TCs 00) 1-00 Void Flush *I Top Side (TC 0 87) 1 11 21 31 41 81 81 71 61 91 101 Il1 121 131 141 181 181 171 181 Time. (Minu1t*)
19 TC 067 -
TC 808 ---- Min.
Ma..
Al
on,<TEST RESULTS.
IftPower.
Ew&
A Duke Energy Company (CON T)
(CABLE PERFORMANCE) luct NON JACKETED ARMOR CABLE PERFORMANCE WAS SIMILAR TO JACKETED ARMOR CABLE Figure 4.1-10 Penetration I -Cable Comparison (Jacketed vs. Non-Jacketed) 350 300 J
250A onJcee 2002..J.k~~
0 0
10 20 30 40 SO 00 70 80 00 00 10 120 130 40 160 100 170 180 TC
-TC 947 -TC 846 -TC 040 -TC 061 -TC 902 --
TC 03 -TC 904 20
es ro h De TEST RESULTS A Duke EnerD Company (CONtT)
(COPPER TUBE PERFORMANCE) ucfit
)4E FOp JaDower.
COPPER-TUBE.
A Duske EnerV Company CMAI O
Figure 4.1.7 Figure 4.1-9 Penetration I - Copper Tub.s (126 Tubes 310" 00)
.Pensttetion 11 -copper pipes (a pipes o
-Ii
- 00) 0 300 r0 3 0 0 0-0 0 O 0 Ah10 10 10 10 S
7 S
2022
- r"MIT up Mrrrt r-
Power.
TEST RESULTS A Duke Eneny Company (DAM BOARD ATTACHMENT)
Rud FOR 8" THICK ELECTRICAL PEN SEALS LARGE PIECES OF DAM BOARD MUST BE MECHANICALLY FASTENED.
- BOARD PIECES UP TO 12" X'12" MAY BE ATTACHED W/ LDS CAULK ALONE 23
ro o er.
TEST RESULTS' A Duke Energy Company (CON'T)
(CELL STRUCTURE PERFORMANCE) eNu NON OPTIMAL CELL STRUCTURE PERFORMED COMPARABLE TO OPTIMAL CELL STRUCTURE PENETRATION 1 PENETRATION 5 24
aDuke NON OPTIMAL A Duke EneV Company.FA Figure 4.1;2 Penetration i - Repair Aras Comparison Po..t,.1loo a8.100% Non..Opkin.il Pas.
-?cc
- s
--c 0
op".1 25 Lr A40
'06 PO o eDuk TEST RESULTS A Duke Enero Company (CON'T)
(Seal Buildout)
SEAL BUILDOUTS THAT SAG AWAY FROM THE BARRIER SURFACE DO NOT AFFECT THERMAL PERFORMANCE OF THE PEN SEAL Figure 4.6-1 Penetaion
- 6.
- uid-out Seal(Degraded) j0
-0 a
10 T C c
.206 -to 00
-Icos.,-26
SPOW Duke Al Power.
TEST RESULTS A Duke Energ Company (CON'T) 0 INDETERMINATE RESULTS FOR ALTERNATIVE DAM BOARD MATERIALS AND ATTACHMENT METHODS 27
k SIGIFICANT Pwer.
OBSER VATIONS VOIDS, GAPS AND CELL STRUCTURE VARIATIONS DID NOT HAVE A SIGNIFICANT EFFECT ON PENETRATION SEAL THERMAL PERFORMANCE MECHANICAL ATTACHMENTS OR STRUCTURAL BRACING ARE NECESSARY FOR PERMANENTDAM BD INSTALLATIONS 28 4t
Duke Power.
SUMMARY
A Duke EnerJ Company S
M M
AY'"
M~ ude TEST PROVIDED VALUABLE INSIGHTS INTO PENETRATION SEAL PERFORMANCE INSIGHTS MAY BE USEFUL TO THE INDUSTRY FOR BASELINE CRITERIA 29 p
Aif
UNITED STATES o1 NUCLEAR REGULATORY COMMISSION REGION II SAM NUNN ATLANTA FEDERAL CENTER
.61 FORSYTH STREET, SW. SUITE 23T85 ATLANTA, GEORGIA 30303-8931 SEPTEMBER 7, 1999 Duke Energy Corporation ATTN:
Mr. W. R. McCollum Vice President Oconee Site 7800 Rochester Highway Seneca, SC 29672
SUBJECT:
MEETING
SUMMARY
- OCONEE NUCLEAR PLANT (ONS)
Dear Mr. McCollum:
This refers to the open meeting that was conducted at the Region 11 Office, Atlanta, Georgia, on August 25, 1999, to discuss the results of recent Duke Power Company fire endurance testing of penetration seals.
A list of attendees and a copy of your presentation handout are enclosed.
It is our opinion that this meeting was beneficial. We appreciate the update on your penetration seal corrective action program, fire endurance test results, and fire test engineering analysis.
In accordance with Section 2.790(a) of the NRC's "Rules of Practice," Part 2, Title 10, Code of Federal Regulations, a copy of this letter and its enclosures will be placed in the NRC Public Document Room.
Should you have any questions concerning this meeting, please contact us.
Sincerely, Kerry D. Landis, Chief Engineering Branch Division of Reactor Safety Docket Nos. 50-269, 50-270, 50-287 License Nos. DPR-38, DPR-47, DPR-55
Enclosures:
- 1. List of Attendees
- 2. Licensee Presentation Handouts cc w/encls: (See page 2) 74 7Wf 1
DEC 3
(cc w/encs cont'd)
L. A. Keller, Manager Nuclear Regulatory Licensing Duke Energy Corporation 526 S. Church Street Charlotte, NC 28201-0006 Peggy Force Assistant Attorney General N. C. Department of Justice Electronic Mail Distribution
DEC 2
cc w/encls:
Compliance Manager (ONS)
Duke Energy Corporation Electronic Mail Distribution Lisa Vaughn Legal Department (PB05E)
Duke Energy Corporation 422 South Church Street Charlotte, NC 28242 Rick N. Edwards Framatome Technologies 1700 Rockville Pike, Suite 525 Rockville, MD 20852 Anne Cottington Winston and Strawn Electronic Mail Distribution Mel Fry, Director Division of Radiation Protection N. C. Department of Environmental Health & Natural Resources Electronic Mail Distribution Virgil R. Autry, Director Div. of Radioactive Waste Mgmt.
S. C.: Department of Health and Environmental Control Electronic Mail Distribution R. Mike Gandy Division of Radioactive Waste Mgmt.
S. C. Department of Health and Environmental Control Electronic Mail Distribution County Supervisor of Oconee County 415 S. Pine Street Walhalla, SC 29691-2145 Lyle Grabber, LIS
/
NUS Corporation Electronic Mail Distribution (cc w/encls cont'd - See page 3)