ML20029C037
| ML20029C037 | |
| Person / Time | |
|---|---|
| Site: | Brunswick  |
| Issue date: | 03/07/1991 |
| From: | Blake J, Julian C NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | Eury L CAROLINA POWER & LIGHT CO. |
| References | |
| NUDOCS 9103250150 | |
| Download: ML20029C037 (5) | |
Text
.. _ _ - _. _ _ _ _ _ _._ _ _ _ _. _
.o..
Maich 7, 1991 T
Docket Nos. 50-325,-50-324
-License Nos. DPR-71, DPR-62 1
Carolina Power and Light Company ATTN: Mr.: Lynn W. Eury -
)
Executive Vice President Power Supply P. 0. Box 1551
- Raleigh, NC '27602-i Gentlemen
- -
SUBJECT:
ELECTRICAL DISTRIBUTION SYSTEM FUNCTIONAL-INSPECTION AT. BRUNSWICK NUCLEAR PLANT This letter. confirms.: the dates of March.25-29, April 8-12 and April 22-26, 1991, for the Electrical Distribution System Functional Inspection (EDSFI) at Brunswick. nuclear. plant.
These dttes were established during a telephone
- conversation between Mr, Mike Foss of the Brunswick Stoff and Mr.: Norman.Merriweather of this office on February 28, 1991.
, The weekL of f March 25-29,1991, will' be for document - review and - plant familiarization by--the -NRC inspection team. - The remaining two weeks will be j
' devoted to inspection activities.
The team will consist of approximately =
~~m eight inspectors.
'ItE is requested that-the' management. entrance meeting be se'
' led for i
42:00 p.m. on " arch 25, 1991, and the exit meeting be schedule
,r 10:00 a.m.
i on_ April. 26, 1991.
.The inspection will take place a_t'the plant site.
If possible, sufficient work space in one area should be provided to accommodate both the NRC team members-and interfacing -licensee --personnel.. If you have docu:nentation ~ or : records.
_. requested;at locations. other than-the site, please infonn us of their location.-
It is also requested that a' presentation be provided for the. team to address
~
the'following areas of-interest:
1.
Organization _ charts clearly showing responsibilities, accouritability and-flow of authority-2.
Station AC and DC distribution system arrangements i
L E
- 3. ' Interlocks and ties to various off.-site and on-site power sources L
4.
Transfer capability of = the systems following the loss of normal L
sources-5.
Specific regulatory commitements if they are unique in nature l'
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Caroline Power and Light Company 2
March 7, 1991 6.
In-house programs for load growth, modification control, set point control and itc.
7.
In-house monitoring and self assessement programs, if any 8.
Functional information on the RHR system The objective of this inspection is to asseu the capacity of the Electrical Distritmtion System (ED5) to perform its intended functions during all plant operating and ti:cident conditions. It is requested that the following documentation and/or records be made readily available at the site and those indicated by ar.
- should be available at the designated work area:
- 2.
Calculations / analyses supporting plant electrical system 'esign a.
Gr'J volt 6ge stability b.-
Short-c!rcuit currents, AC and DC c.
Voltage regulation and relay setpoints, AC and DC d.
Coordinationofovercurrentprotection(circuitbreakers, relays, fuses).
e.
Cable ampacity f.
Electrical design computer program users manual and their validation process l
g.
Index of electrical calculations if available 3.
. Emergency Diesel Generator (EDG)
- a.
Load sequencing analysis including load calculations
- b.
Voltage transient analysis including calculations c.
Support systems (fuel, starting air, and room ventilation) design bacac :nd calculations d.
Di n M. generator protection scheme 4
Electrical modification packo;es (index with title or description)
- a.
Proced' red for the control of J
modification tc alectrical systems 5
Station batteries
- a.
Load profile to end of life and battery sizing calculations
- b.
Fault current analysis
- c.
Coordination-of overcurrent protection
- d.
Related battery surveillances
_. _ _ _. _ _ ~ -
c.
Carolina Power and Light Company 3
March 7, 1991 6.
EDS Maintenance, Testing and Calibrations
- a.
Copies of the most recently conleted EDG Surveillances
- b.
Medium and low voltage switchgear and breaker maintenance precedures
- c.
Load shedding and sequencer functional test and calibration procedures
- d.
Degraded voltage and loss of voltage relay calibration procedures and copies of the last two completed calibrations procedures
- e.
Calibration procedures for protective relays associated with the safety-related shutdc.in boards and copies of the last two completed calibrations procedures
- f.
Vendor manuals for the above v.aitchgear, breakers, sequencer and protective relays 7.
Other-related documentation / procedures applicable to your plant
- a.
Two copies of the UFSAR, and four copies of Chapter 8 from the UFSAR
- b.
List of codes and standards which are applicab' ' to the electrical distribution system design, testing id maintenance
- c.
Technical specifications for both units, unless hey are combined Sufficient licensee personnel, knowledgeable in the above areas, should be ava11ab7e to support the inspection effort.
Your cooperation during this inspect.ior will be appreciated.
Should you have any questions regarding this inspectior, please contact M. Shymlock at 404/331-5596 or N. Merriweather at i
404/331-5677 Sincerely.
Original signed by Jerome J. Blake/for Caudie A. Julian, Chief Engineering Branch Division of Reactor Safety-cc:
(See page 4)
E
larolina-Power and Light Company 4
March 7, 1991 c::
R. B. Starkey. Jr..
Vice President Erronswick Nuclear Project P.-0. Box 10429 Southport, NC-28461 J. L.'llarness t
Plant General Manager Brunswick Steam Electric Plant P. O. Box 10429 Southport, NC 28461 R. E. Jones, General Counsel Carolina Power & Light Company P. O. Box 1551 Raleigh, NC 27602 Ms. Frankie Rabon Board of Commissioners P. 0.; Box 249 Bolivia, NC 28422 Chrys Baggett State Clearinghouse
. Budget and. Management 116 West Jones Street
~Raleigh, NC -27603 Dayne H. Brown, ".ector-
- Division of Radir n Protection N. C. Department c. Environmental,-
Commerce &-
tural Resources P. 0.LBox 2768/
Ra'aigh, NC 27611-7687 H..-A. Cole Special. Deputy Attorney General i
State of.. North Carolina P. O. Box 629 Raleigh, NC 27602 l
Robert P. Gruber n"
. Executive Director l ':
Public Staff'- NCUC-P. O. Box-29520-l Raleigh, NC 27626-0520 l
l lbcc:--(See page 5).
l-l
r:
'Chrolina Power and Light Company S
March 7, 1991 i
bec:
ocument Ci :,1 Desk H. Christu,..., RII T. Le, NRR NRC Resident-Inspector U.S. Nuclear Regulatory Commission Star Rte. 1, Box 208 Southport, NC 28461 RII:DRS RII:DRS DRd y
np RII:g HMerriweather MShymlock QChristensen 03/4 /91 03/4./91 03/4/91
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