1CAN019502, Forwards ANO-1 Simulator Performance Testing Rept
| ML20077R998 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 01/17/1995 |
| From: | Mims D ENTERGY OPERATIONS, INC. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML20077S000 | List: |
| References | |
| 1CAN019502, 1CAN19502, NUDOCS 9501230223 | |
| Download: ML20077R998 (2) | |
Text
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1 cc-ENTERGY h"IsWE"" """
RtexMe. AR 72301 Tel 501858@00 i
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January 17,1995 E
I ICAN019502 f
U. S Nuclear Regulatory Commission Document Control Desk Mail Station Pl-137 Washington, DC 20555
Subject:
Arkansas Nuclear One - Unit 1 Docket No. 50-313
<.. cense No. DPR-51
~
ANO-1 Simulator Performance Testing Report l
Gentlemen.
Entergy Operations is submitting the enclosed performance testing report in accordance with 10CFR55.45(b)(5)(ii). This report is required to be submitted every four years on the anniversary of the initial simulator certification, January 17,1991.
Discrepancies identified during the initial simulator performance test have been corrected in j
accordance with the Simulator Modification Control Guidelines which are included m Section 1 of the attachment to this letter.
l At the time of the initial simulator performance test, one exception was taken to ANSI /ANS 3.5-1985. This exception, which is stated in Section 2 of the attachment, has not been changed.
Plant modifications which were installed in the past four years and were determined to affect j
the simulator's appearance and fidelity have been incorporated in accordance with the Simulator Modification Control Guidelines. As of this date, there are twelve additional plant modifications which need to be incorporated. These plant modifications will be incorporated into the ANO-1 plant reference simulator in accordance with the guidance as stated in ANSI /ANS 3.5-1985. A listing of plant modifications is provided in Section 3 of the attachment.
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- c1 U. S. NRC
- January 17,1995 1CAN019502 Page 2 ~
Simulator; operability tests have been conducted on an annual basis and meet the requirements of ANSI /ANS 3.5 1985. The te^g was conducted in the following manner:
1.
Real-time Test (Annual) -
2.
Normal Operations Test (25% per year) 3.
Steady State Operations (Annually) 4.
Surveillance Test (25% per year) 5.
Transient Test (Annually) 6.
Malfunction Test (25% per year)
A perfor ranci *ast was also conducted after extensive model changes were performed for the Reas tor Cochen. stem (RCS), Reactor Core, and Once Through Steam Generators.
(OTsJ). Thir, ;ctron mcc test was conducted concurrent with the 1993 Operability Test.
' The perf, maxe test. maintained at ANO and is available for review, New malfunctions which were incorporated into the simulator during the past four years have been included in our simulator operability testing. The upcoming four year operability test i
follows the format utilized during the past four year period and has been included in Section 4 of the attachment for your information.
Should you require further information, please contact me at (501) 858-4601.
Very tmly yours, ejNk5W/4 f
Dwight C. Mims Director, Licensing DCM/kjm f
Attachments f
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. U. S. NRC January 17,1995 1CAN019502 Page 3 cc:
Mr. Leonard J. Callan Regional Administrator U. S. Nuclear Regulatory Commission I
Region IV l
611 Ryan Plaza Drive, Suite 400
(
Arlington, TX 76011-8%4 NRC Senior Resident Inspector Arkansas Nuclear One 1448 S. R. 333 Russellville, AR 72801 Mr. George Kalman NRR Project Manager Region IV/ANO-1 & 2 U. S. Nuclear Regulatory Commission -
NRR Mail Stop 13-H-3 One White Flint North i
11555 Rockville Pike -
Rockville, MD 20852 I
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