ML20210U320
| ML20210U320 | |
| Person / Time | |
|---|---|
| Site: | LaSalle  |
| Issue date: | 08/17/1999 |
| From: | Leach M NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | Kingsley O COMMONWEALTH EDISON CO. |
| Shared Package | |
| ML20210U324 | List: |
| References | |
| 50-373-99-12, 50-374-99-12, NUDOCS 9908200057 | |
| Download: ML20210U320 (3) | |
See also: IR 05000373/1999012
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NUCLEAR REGULATORY COMMISSION
UNITED STATES
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801 WARRENVILLE ROAD
LISLE. ILLINOIS 60532-4351
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August 17, 1999
Mr. Oliver D. Kingsley
President, Nuclear Generation Group
. Commonwealth Edison Company
ATTN: Regulatory Services
Executive Towers West til
1400 Opus Place, Suite 500
Downers Grove,IL 60515
SUBJECT:
LASALLE INSPECTION REPORT 50-373/99012(DRP); 50-374/99012(DRP)
Dear Mr. Kingsley:
This refers to the inspection conducted June 23 through July 28,1999, at the LaSalle Nuclear
Power Station. The purpose of the inspection was to determine whether activities authorized by
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the license were conducted safely and in accordance with NRC requirements. At the
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conclusion of the inspection, the findings were discussed with those members of your staff
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identified in the enclosed report.
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Overall, your staff demonstrated a good safety focus and dual plant operations were conducted
appropriately. Operators conducted activities in the main control room conservatively and
safely. In particular, activities performed as a result of the lake temperature excursions were
timely and supported safe plant operations. The conduct of most engineering and radiological
control activities were performed correctly.
However, challenges to the main control room operators continued during this inspection period
due to degraded equipment issues. For example, the continued cycling of the Unit 2 D vacuum
breaker throughout the inspection period in conjunction with the failure of position indication on
the Unit 2 A vacuum breaker early in the inspection period required operators to take significant
compensatory actions, especially during Unit 2 emergency diesel generator testing. In addition,
some repeat items indicated corrective actions implemented to address deficient conditions did
not preclude recurrence. These included several partial actuations of the reactor protection
system including one where corrective actions from two prior instances within the last 6 months
were ineffective.
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9908200057 990817
ADOCK 05000373
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In accordance with 10 CFR 2.790 of the NRC's " Rules of Practice," a copy of this letter and the
enclosure will be placed in the NRC Public Document Room.
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Sincerely,
Original signed by
Melvyn Leach, Chief
Reactor Projects Branch 2
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. Docket Nos. 50-373; 50 374
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Enclosure:
. Inspection Report 50-373/99012(DRP);
50-374/99012(DRP)
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Jec w/enci-
' D. Helwig, Senior Vic9 President, Nuclear Services
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C. Crane, Senior Vice President, Nuclear Operations
H. Stanley, Vice President, Nuclear Operations
R. Krich, Vice President, Regulatory Services
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DCD - Licensing
J. Benjamin, Site Vice President
J. Meister, Station Manager
F. Spangenberg, Regulatory Assurance Supervisor
. M. Aguilar, Assistant Attorney General
. State Liaison Officer
Chairman, Illinois Commerce Commission .
DOCUMENT NAME: G:\\LASA\\LAS99012.DRP-
, To receive e copy of this document, Indicate in the box "C" = Copy without ettschmenhenclosure T = Copy we ettschment/ enclosure "Ns No
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DATE
08/8/99
08A3/99
08//7/99
OFFICIAL RECORD COPY
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O. Kingsley
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Distribution:
AJM (E-Mail)
RPC (E-Mail)
Project Mgr., NRR w/enci
J. Caldwell, Rlll w/enci
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B. Clayton, Rlli w/enct
SRI LaSalle w/enci
DRP w/enct
DRS w/enci
Rlli PRR w/ encl
PUBLIC IE-01 w/ encl
Docket File w/ encl.
GREENS
, IEO (E-Mail)
DOCDESK (E-Mail)
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