ML20058K253
| ML20058K253 | |
| Person / Time | |
|---|---|
| Site: | Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png |
| Issue date: | 12/05/1990 |
| From: | Hodges M NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | Mroczka E CONNECTICUT YANKEE ATOMIC POWER CO. |
| References | |
| NUDOCS 9012170051 | |
| Download: ML20058K253 (3) | |
Text
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l-l DEC 0 51990 Docket No. 50-213 Connecticut Yankee Atomic' Power Company ATTN:
Mr. E. J. Mroczka Senior Vice Presidert - Nuclear Engineering and Operations. Group i
P.O.
Box 270 l
Hartford, Connecticut 06141
]
l Gentlemen:
Subject:
Electrical Distribution SystemEFunctional' 3
Inspection (EDSFI) for Haddam Neck Plant i
This letter confirms the dates of February 4 through February 8,.
and February-18-22, 1991 for.the=EDSFI at Haddam-Neck.
A pre--
insp0ction visit by the team to the Haddam Necks site is also scheduled during January 22-24, 1991 to review the'availabilityiof documents and to gather-information for this inspection.
Our plans i
for this inspection were discussed with-your-staff during a telephone call between Mr.:Garry Bouchard of your organization and l
Mr. Roy Mathew=of the NRC Region I office...The inspection will take place at the Haddam' Neck site in Haddam, Connecticut.
.A management entrance meeting is-scheduled for 2:00 p.m.Lon February 4, 1991, oat the Haddam. Neck site.-The management exit meeting is: also tentatively scheduled for'11.00-a.m. on February 22, 1991, at the Haddam Neckisite.
The primary objective of this inspection is to determine whether the electrical distribution system (EDS) at Haddam' Neck-would.be capable of performing its intended-functions ~as1 designed, installed, and configured during all plant operating.and accident conditions. A secondary objective is to. assess Connecticut Yankee Atomic Power Company's (CYAPCO) engineering and technical support
~
I and its interfaces for the operability of the EDS.-
i In order to perform this comprehensive team inspection effectively, we request that CYAPCO'be prepared to' provide, on January 22, 1991',
a presentation which addresses, as a minimum, the following areas:
1.-
CYAPCO's primary organization to include managers, clearly identifying responsibility,_ accountability and flow of authority.
2.
Station AC and DC distribution system arrangements..
3.
Interlocks and ties to various offsite and onsite power sources. Also, lineup of breakers during normal, startup,and
~
emergency operation of the plant.
- b 4.
Transfer capability of the systems, following the loss of normal sources.
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5.
Specific regulatory commitments, if.they are unique in nature.
i 6.
CYAPCO's in-house programs for load growth, modification ~
control, and setpoint control.
7.
CYAPCO's in-house monitoring and self assessment programs.,. if any.
In addition, we request that you provide us at least two copieslof the following documents at the site on January 22,1991:
1.
Corporate-and onsite Engineering organization. charts.
l 2.
Station one-line diagrams for AC and DC system.
l 3.
P& ids of ventilation system associated withsthe electrical distribution system.
4.
P& ids of diesel generator's support syster.s such as fuel, water, lube oil, air etc.
5.
Elementary diagrams.of. major electrical distribution-components.
6.
Listing of plant modifications in the EDS area.
7.
Significant modification packages'related to'the EDS and its mechanical support systems.
8.
Listing of plant calculations.
9.
Engineering calculations: pertaining-to load' control, short.
circuit study, voltage study,--equipment sizing, protective relays and equipment-settings, coordination study, EDG load study, penetration sizing, cable ampacities,-and battery sizing and loadLprofile.-
10.
Listing of procedures and specifications relating to Engineering, Operations and Maintenance.
11.
Procedures and guidelines for design and design change control process and temporary modifications..
12.
Listing of,LERS for the last five years related to the EDS 1
function.
13.
Listing of Temporary Modifications and nonconformance reports.
14.
Battery capacity tests and surveillance tests documents'for last 2 years.
15.
Self assessment reports, QA audits in.the. engineering technical support area.
Your cooperation with us during this inspection will'be appreciated. Should'you have any questions regarding this inspection, you can contact Mr. R. Mathew at 215-337-5194 or Mr.
C. Anderson at 215-337-5376.
Sincerely, Onginc! Signed By:
Marvin W. Hodges Marvin W. Hodges, Director Division of Reactor-Safety
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connecticut Yankee Atomic 3
Power Company cc W.
D. Romberg,.Vice President, Nuclear Operations J. P.
Stets,,8tation Director (Receives 2.700 Informati.on)
F. O. Nordquist, Director of Quklity.8ervices l'. M. Racich, Manager,-Generation-Facilities Licensing 8.
E.
Scace, Station Director, Millstone I
Gerald Garfield,-Esquire Public Document Room (PDR)
Local Public Document Room (LPDR)
Nuclear Safety Information Center (N8IC).
NRC Resident Inspector State of Connecticut bec:
Region I Docket' Room (with concurrences).
R. Bellamy, DR88' l
DRP Section Chief i
J. Shediosky, SRI, Haddam Neck W. Raymond, SRI, Millstone J. Caldwell, EDO A. Wang, PM, NRR R. Grama, NRR,-RSIB i
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}l RI DRS RI:DRS RI:DRS
'DRS Mathew Anderson Durr Hodges
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12/3-/90 12/ 3 /90 12// /90 12/6'/90 OFFICIAL' RECORD COPY l
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