ML19345H339
| ML19345H339 | |
| Person / Time | |
|---|---|
| Site: | Fort Calhoun  |
| Issue date: | 03/27/1981 |
| From: | William Jones OMAHA PUBLIC POWER DISTRICT |
| To: | Seyfrit K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| References | |
| NUDOCS 8105200155 | |
| Download: ML19345H339 (7) | |
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q Omaha Public Power District 9
1623 MARNEY 3 O M AN A. NESRASKA 68102 3 TELEPHONE 536 4000 AREA CODE 402 March 27, 1981 CENTPAL FILES PDR:HO Mr. K. V. Seyfrit, Director LPDR U. S. Nuclear Regulator, Commission y
Office of Inspection and Enforcement N!IC Region IV 611 Ryan Plaza Drive, Suite 1000 STATE Arlington, Texas 76011
Reference:
Docket No. 50-285
Dear Mr. Seyfrit:
3 of Omaha Public Power District's letter dated January 30, 1981, identified open items for the Fort Calhoun Station's environmental qualification of safety-related electrica' equipment.
Item 3 of the enclosure indicated that predicted radiat<on levels for valves HCV-348, HCV-383-3, and HCV-383-4 needed to be reevaluated for long term core cooling qualification.
As discussed in a telephone conversation between Messrs. Morris and Patterson of the District and Mr. Madsen of your staff, there were some delays in recalculating radiation levels.
The District's reevaluation 1: complete and the results have been incor-parated into Qualification Data Sheets for the subject valves.
The i
l revised data sheets are attached as pages 6-63 and 6-85.
Also attached are revised pages i, 6-52, 11-1, and 11-4 to replace pages in the existing Fort Calhoun Station environmental qualification package.
Page i, the Table of Contents, has been revised to reflect changes made to the package in the District's letter of Jamsary 30, 1981.
Page 6-52 has been revised to reference the Wyle report (En-closure 20) and to reflect refined radiation level calculations.
Pages 11-1 and 11-4 have been revised to indicate the revised radiation levels predicted for area
'P'.
Sincerely,
%c4
/O V W. C.' Jones D1 vision Manager b,
3 6g.,-
s Production Operation
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p S EN WCJ/KJM/TLP:jm Attachments
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U. S. Nuclear Regulatory Comission Office of Inspection and Enforcement
/
Washington, D.C.
20555 8105200 b
'1333 New Hampshire Avenue, N.W.
- 8
'"f' '35b' '*ibY & M^'R
- Washinatann DmCm 20036
IE BULLETIN 79-01B SUBMITTAL INDEX Report on Bulletin 79-U1B Enclosure 1-Environmental Design Conditions Enclosure 2-Mainsteam/Feedwater Penetration Room (Room 81)
Enclosure 3-Master List References Enclosure 4-Master List Enclosure 5-Evaluation Worksheets for Components Replaced per IE Bulletin 79-01 Enclosure 6-Evaluation Worksheets for IE Bulletin 79-01B Enclosure 7-Evaluation Worksheet Footnotes Enclosure 8-Material Analysis of Containment Penetration Cable Splices for Radiation Effects Enclosure 9-Containment Fan Cooler Motor Splices 0 - Radiation Effects on States NT-Type Terminal Blocks (Material Analysis) 1 - Radiation Levels 2 - Aging l 3 - Schedule for Resolution of Outstanding Items l
' 4 - Auxiliary Building Radiation 5 - NUREG 0578 Equipment 6 - flain Steam Line Break In Contaimnent 7 - Beta Radiation l 8 - Long Term Core Cooling 9 - Power Operated Relief Valves l' 0 - Cable Splice Evaluation
- R3 3/13/81 l
Facility:
Fort Calhoun 1 Docket No.:
50-285 SYSTEM COMPONENT EVALUATON WORK SilEET C-37 4
ENVIRONMENT DOCUMENTATDN QUALIFI-OUTSTAND-CATION ING EQUIPMENT DESCRIPTION Specifi-Qualif-Specifi-Qualifi-METIIOD ITEMS Parameter cation cation cation
~ cation system: Electrical Equipment Operating Note 4 i
Time Continuous 2
2 2
Note 1 Item No.: Containment vent fan i
notor lead splices at the Tempera-electrical penetrations ture *F 288*F 2
1 2
2 Note 1 Corponent: N/A l'ressure PSIg 60 psig 2
1 2
2 Note 1 Manufacturer: N/A hetative Model No.: N/A llumidity %
100%
2 1
2 2
liote 1 Function: Motor leads for Chemical 1700 ppm containment vent fans Spray Boric Acid 2
1 2
2 Note 1 dn Accuracy - Spec:
N/A 7
Demon: N/A Radiation 1.12x10 Note 1 1
2 2
Note 1 Service: See function Location: Containment Aging N/A 2
N/A 2
2 Note 1 Flood Level Elev:
1000.9' Submer-Note 1 Above Flood Level: Yes gence N/A N/A N/A N/A N/A Documentation
References:
Notes:
- 1) Enclosure #1.
- 1) See Enclosure #20.
]g
- 2) See RTV 3145 Clear.
- 3) Table C1 79-01B MG s
Facility:
Fort Calhoun 1 Docket No.:
50-285 SYSTEM COMPONENT EVALUATON WORK SilEET C-15 l'
ENVIRONMENT DOCUMENTATON REF QUALIFI-OUTSTAN.)-
CATION ING EQUIPMENT DESCRIPTION Specifi Qualif-Specif i-Qualifi-METil0D ITEMS Parameter cation cation cation cation System: lligh Pressure Safety Operating Sequentia Injection Time Note 1 Note 1 Note 1 2
Test NONE Item No.: llCV-383-3, 383-4 Tempera-Sequentia t re *F 225 F 250 F 1
2 Test NONE Component: Motor Operated valve Pressure
& limit switch PSIg N/A N/A N/A N/A N/A NONE Manufacturer: Limitorque Relative Sequential Model No.: SMB-0 llumidity 100%
100%
1 2
Test NONE Function: Open on (RAS) to Chemical provide suction to llPSI,LPSI Spray N/A N/A N/A N/A N/A NONE
& spray pps.
3 se entia A"#Y 6
7 Radiation 7.5x10 1
2x10 R 1
2 Test NONE 4
Demo : NA Service: Containment sump recir to llPSI,LPSI & cont spray Sequential Location: Containment Aging N/A 40 yrs N/A 2
Test NONE Flood Level Elev:
1000.9' Sn5mer-Above Flcod Level: Note 2 gence N/A N/A N/A N/A N/A NONE u
Documentation
References:
Notes:
- 1) For temperature See " Sump Water Temperature"-
- 1) IICV-383-3 & IICV-383-4 are required to open to provide, Figure 1.
For Radiation, See suction to llPSI pumps after SIRWT tank inventory is
" Implementation Methods & Schedules for Nureg -
exhausted. This occurs approximately 20 minutes into 0578" Section 2.1.6b Page 16, 100% llumidity is the event, & stroke time is 10 seconds.
assumed as a worst case possibility.
- 2) IICV-383-3 &4 are located outside the containment in
- 2) Limitorque Corporation Test Lab: // B-0003.
TK-SI9 & TK-SI-10. They are physically separated by the s
containment wall from the inside of the containment.
TK-SI-9 & 10 are considered an extension of containment for isolation only.
TK-SI-9 & 10 are not subject to flooding or containment Loca conditions.
- 3) 1000 hrs operation.
o
Facility:
Fort Calhoun 1 Docket No.:
50-285 SYSTEM COMPONENT EVALUATON WORK SilEET C-2 f
ENVIRONMENT DOCUMENTATON REF.
QUALIFI-OUTSTAND-l CATION ING EQUIPMENT DESCRIPTION Specifi-Qualif-Specifi Qualifi-MET 110D ITEMS Parameter cation cation cation cation System: Low Pressure Safety Operating NA 1000 Hr Note 1 Injection System Time 2
Type Test NONE Item No.: IICV-348 Tempera-ture 'F 288*F 325'F 1
2 Type Test NONE Component: Motor operated valves Pressure i
and limit switches PSIg 60 PSIg 90 PSIg 1
2 Type Test iNONE Manufacturer: Limitorque l
Relative Model No.: SMB-3 Ilumidity %
100%
100%
1 2
Type Test NONE Function: Shutdown cooling Chemical 1700 ppm 1700 ppm Line isloaton Spray Boric Acid Boric Acid 1
2 Type Test NONE Accuracy - Spec: N/A 7
7 Demon: N/A Radiation 1.51 x 10 2x10 R 1
3 Type Test NONE Service: Shutdown Cooling Location: Containment Aging N/A 40 yrs N/A 3
Type Test NONE Flood Level Elev:
1000.9' Submer-Above Flood Level: Yes gence N/A N/A N/A N/A N/A NONE Documentation
References:
Notes:
I)N51 required as part of EP-58 but is
- 1) Enclosure #1.
included since it provides an alternate
- 2) Franklin Institute Research Lab #F-C2232.01 cooling suction path for the LPSI system
- 3) Liutitorque Corporation Test Lab #B-0003 when the primary system is below"265 psia.
s Used in conjunction with HCV 347.
I e
4
^
i ENCLOSURE #11 RADIATION LEVELS 5
1.
Sector A + A' 6.06x10 R 5
2.
Sector B 7.50x10 R 3.
Sector C + C' 6.06x10 R 6
4.
Sector D 1.01x10 R 5
5.
Sector E 9.90x10 R 0
6.
Sector F'+ G 1.12x10 R 6
7.
Sector G + H 1.09x10 R 6
8.
Sector H + I 1.36x10 R 6
9.
Sector I + J 1.05x10 R 6
- 10. ' Sector J + K 1.05x10 R 5
11.
Sector K + L 9.49x10 R 12.
Sector.4 1.02x10 R S
13.
Sector N 9.90x10 R 0
14.
Sector 0 1.92x10 R 5
15 F
5.3x10 R 5.1x10'R
- 16. G 6.06x10'R l
- 17. H i
5 i
18.
I 8.225x10 3 5
i 19 J
6.07x10 R 5
20.
K h.Thx10 R 5
21.
L h.87x10 R 7
22.
P 1.12 x 10 R 30-day 11-1 R2 3/13/81
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