ML20040F202
| ML20040F202 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 01/20/1982 |
| From: | Stolz J Office of Nuclear Reactor Regulation |
| To: | Mattimoe J SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| References | |
| NUDOCS 8202080480 | |
| Download: ML20040F202 (6) | |
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Docket File NSIC ACRS-10 tiRC PDR ORB #4 Rdg Gray File L PDR DEisenhut H0rnstein to Docket flo. 50-312' MPadovan EBlackwood Q, 8 \\
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Assistant General fianager and A
%,dypS Chief. Engineer 4
- d Sacramento Municipal Utility DistEict Q
6201 S Street
'6 P. O. Box 15830 e
Sacramento, Califbrnia 95813
Dear fir. Hattimoe:
SUBJECT:
NRC REQUEST FOR TESTING ELECTROMAGiETIC_ INTERFEREf'CE (EMI)
EQUIPMEliT AT RANCl!0 SECO We are currently conducting a program to measure the E!!! environment at various locations within a nuclear power plant.
Information ob-tained fmm the program will provide a data base for. assessing vulnerability of existing or proposed plant designs to EMI.
Lawrence Livemore National Laboratory (LLHL) is providing technical:
g assistance to us for this program. A monitoring system has been developed that will passively measure. spurious low-level high-frecuency signals that might penetrate instrument sensor outputs, cables.anc data pmcessing inputs and cause random equipment operation or failure. The EMI equipment is.now rea@ for actual field testing.. The testing will detemine if any, problems. exist with the test equipment, proposed measurement scheme or. handling and transportation _of the equipment.
Since Rancho Seco is an operating nuclear power plant located.near LL!il, we are requesting that you permit this EMI equipment to be temporarily installed at your plant for a period.of 7 days in April 1982.. Only minimal electrical power and a small nurber of physical. connections are rec uimd.. Additionally, the. instrumentation package _may be disconnected and dismantled at any time. Enclosure. A contains_more specific infor-mation in support of our request. Please infom the. tiRC Project Manager of your decision and feel free to request any additional infomation that you might need. Your cooperation in this matter..would be greatly appre-ciated.
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82020s0480 820120 John F. Stolz, Chief fDRADOCK05000 Operating Reactors Branch f4 Division of Licensing
- See previsa 318 for concurrence.
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IE-3 Docket File NSIC '
ACRS-10 NRC PDR ORB #4 Rdg Gray File L PDR DEisenhut H0rnstein MPadovan EBlackwood Docket flo. 50-312 RIngram OELD AE0D lir. J. J. !!attimoe Assistant General flanager and Chief Engineer Sacramento Municipal Utility District G201 S Street P. O. Box 15830 Sacramento, California 95813
Dear !!r. Itattimoe:
SL'BJECT: HRC REQUEST FOR TESTING ELECTR0iMGflETIC IllTERFEREllCE (EMI)
EQUIPMENT AT RAN010 SEC0 We are currently conducting a program to measure the E!!I environment at various locations within a nucle:.r power plant.
Information ob-tained from the program will pmvide a data base for assessing vulnerability of existing or proposed plant designs to EllI.
Lawrence Livornore National Laboratory (LLNL) is providing technical assistance to us for this program. A monitoring system has been developed that will passively measure snurious low-level high-frequency signals that might penetrate instruner.c senor outputs, cables and data processing inputs and cause random equipment operation or failure.
The E!!I equipment is now ready for actual field testing. The testing will detemine if any problems exist with the test equipment, proposed measurenent scheme or handling and transportation of the equipment.
Since Rancho Seco is an operating nuclear power plant located near LLfil, l
we are requesting that you pemit this EMI equipment to be temporarily l
installed at your plant for a period of 7 days in April 1982. _ Only.
minimal electrical power and a.small nunber of physical connections are required. Additionally, the instrumentation package may be disconnected l
and disnantled at any time. Enclosure A contains more specific infor-mation in support of our roouest. Please inform the flRC Project !!anager of your decision and feel free to request any additional information that you night need. You cooperation in this natter would be greatly appre-l ciated.
Sincerely, l
John F. Stolz, Chief Operating Reactors Branch f4 Division of Licensing 4.:.Dk
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NRC FORM 318 (10-8h)[Rc ir OFFICIAL RECORD COPY u.c m i m - m. m
p Sacramento Municipal Utility Rancho Seco,' Dock;t No. 50-312 District ccw/ enclosure (s):
David S. Kaplan, Secretary and Christopher Elli. son, Esq.
General Counsel Dian Grue~uich, Esq.
6201 S Street California Energy Comission P. O. Box 15830 1111 Howe Avsnue Sacramento, California 95813 Sacramento, California 95825 Sacramento County Ms. Eleanor Schwartz Board of Supervisors Californi.a State Office 827 7th Street, Room 424 600 Pennsylvania Avenue, S.E., Rm. 201 Sacramento, California 95814 Washington, D. C.
20003 Business and Municipal Department Docketing and Service Section Sacramento City-County Library Office of the Secretary
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828 I Street U.S. Nuclear Regulatory Commission Sacramento, California 95814 Washington,*D. C.
20555 Resident. Inspector / Rancho'Seco clo U. S. N..R. C.
14410 Twin Cities Road iterald,CA 95638 Dr. Richard F. Cole Atomic Safety & Licensi.ng Board Panel U.S. Nuclear Regulatory Comission Washington, D. C.
20555 Regional Radiation Eepresentative EPA Reaion IX Mr. Frederick J. Shon 215 Fremont Street Atomic Safety and Licensing Board San Francisco, California 94111 Panel U.S. Nuclear Regulatory Comission Mr. Robert B. Borsum Washington, D. C.
20555 Babcock.& Wilcox Nuclear Power Generation Division Elizabeth S. Bowers, Esq.
Suite 220, 7910 Woodmont Avenue Chairman, Atomic Safety and Bethesda, Maryland 20814 Licensing Board Panel U.S. Nuclear Regulatory Comission Thomas Baxter, Esq.
Washington, D. C.
20555 i
Shaw, Pittman, Potts & Trowbridge 1800 M Street, N.W.
. Washington, D. C.
20036
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Herbert H. Brown, Esq.
I Lawrence Coe Lanpher,~Esq.
O Hill, Christopher and Phillips, P.C.
i 1900 M Street, N.W.
Atomic Safety and Licensing Board Washington, D. C.
20036 Panel U.S. Nuclear Regulatory Comission l
Helen Hubbard Washingt'on, D. C.
20555~
l P. O. Box 63 Sunol, California 94586
e Sacramento Municipal Util,ity,
District Atomic Safety and Licensing Appeal Mr. Robert H. Engelken, Reg'i.onal Administrator U. S. Nuclear Regulatory Commission, Region V Board Panel U.S. Nuclear Regulatory Commission 1990 N. California Boulevard, Suite 202 Washington, D. C.
20555 Walnut Creek, California 94596 Alan S. Rosenthal, Chairman Atomic Safety and Licensing Appeal Board U. S. Huclear Regulatory Connission Washington, D. C.
20555 Dr. John H. Buck Atonic Safety and Licensing Appeal Board U. S. Nuclear Regulatory Conmission Washington, D. C.
20555 Christine H. Kohl Atomic Safety and Licensing Appeal Board U. S. Nuclear Regulatory Commission Washington, D. C.
20555 California Department of Health ATTN: Chief. Environmental Radiation Control Unit Radiological Health Section 714 P Street, Room 498 Sacramento, California 95814 G
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o ENCLOSURE A.
Test Equipment:
All of the electronic test equipment (excepting the sensors) will be housed in two 6-foot high,19 inch wide, relay racks with an approximate total weight of 300 pounds.
The relay racks will be wheel mounted and therefore, somewhat portable.
The power required to operi te the test equipment -Can be supplied by a 30 ampere (110 volt) circuit.
Sensors:
Two to four rate of change Electric Field Intensity (E)
.and, Displacement Current Density (0) sensors are to be suspended in free. space (using temporary means) in p.reviously approved locations. These locations are expected to be in approximately four.different areas such,as the control room, relay room, cable-spreading room, and the motor control center.
The sensors are to be free hanging with no electrical attachments to any plant systems and therefore complete-ly isolated.
In addition to the above, two or three current clamp-ing probes are to he clamped to existing plant cables.
These probes are ciamped to the outside of the cable insulation'and will remain electrically isolated from all plant systems.
The location of these probes will be determired by LLNL after a review of the drawings and discussions with the utility...It is expected that the same four areas used for the E D s,ensors will be utilized. All of the above sensors will be linked to the above Equipment Racks with instrument cabl.ing '
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that will be approximately 50 feet in length.
Personnel :
LLNL is planning to have three of their engineers on-site duri.ng the requested time frame. LLNL will need the services of a utility representative (Electrical Engineer - Electrical Technician) for equipment and cabling location information and for plant equipment information.
Time Required:
Lawrence Livermore National Laboratory (LLNL) has re-quested that a total of seven working days (five test-ing and two installation) be scheduled during the month of April for tF aquipment verification test.
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2-Equipment Removal:
The instrumentation package,(including sensors) can be disconnec~ted and dismantled at any time during the testing period and removed from'the plant upon request by the utility. The planned removal time will be at the completion of. the testing period and can be accomplished in a period of several hours.
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