ML17312A815
| ML17312A815 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 06/11/1996 |
| From: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | |
| Shared Package | |
| ML17312A813 | List: |
| References | |
| 50-528-96-06, 50-528-96-6, 50-529-96-06, 50-529-96-6, 50-530-96-06, 50-530-96-6, NUDOCS 9606180594 | |
| Download: ML17312A815 (4) | |
Text
ENCLOSURE 1
NOTICE OF VIOLATION Arizona Public Service Company Palo Verde Nuclear Generating Station Dockets:
50-528 50-529 50-530 Licenses:
NPF-41 NPF-51 NPF-74 During an NRC inspection conducted on March 23 through May 22.
1996.
a violation of NRC requirements was identified.
In accordance with the "General Statement of Policy and Procedure for NRC Enforcement Actions." (60 FR 34381:
June 30.
1995). the violation is listed below:
Criterion III of Appendix 8 to 10 CFR Part 50 states.
in part. that measures shall be established to assure that the design basis as specified in the license application for those structures.
systems.
and components.to which this appendix applies.
are correctly translated into specifications'rawings'rocedures and instructions.
The Palo Verde Nuclear Generating Station Updated Final Safety Analysis Report references Combustion Engineering Standard Safety Analysis Report.
Section 3.9.5.12 of the Combustior; Engineering Standard Safety Analysis Report states that the design basis of the upper guide structure is to align and laterally support the upper end of fuel assemblies within the vessel.
This is accomplished by the upper guide structure suspended guide tubes'hich were designed to engage the guide posts on the fuel assemblies and
~ therefore.
position the upper end of refuel assemblies within the core.
For landing the upper guide structure on its support storage stand.
Procedure 31HT-9RC33.
"Reactor Vessel Upper Guide Structure Removal and Installation." Revision 5. Step 4.6.60 'tates.
lower the upper guide structure onto the upper guide structure storage stand at slow speed, aligning upper guide bushing with alignment rods.
For lifting the upper guide structure from its storage stand.
Step 4.9. 17 states.
in part.
lift the upper guide structure until the lower alignment plate is at approximately 138 feet.
Contrary to the above.
measures specified in Procedure 31HT-9RC33
~ to assure the maintenance of the design basis of the upper guide structure.
were inadequate.
This resulted in damage to the guide tubes during movement of the structure.
The damage occurred on February 10.
1995.
when the Unit 2 upper guide structure was lowered onto the storage stand.
and/or on March 6.
1995.
when it was lifted from its storage stand.
This damage.
in turn.
caused significant structural damage to Fuel Assembly A07 when the upper guide structure was placed into the reactor vessel.
This is a Severity Level IV violation (Supplement 1)(528/9606-01).
9606i80594 960611 PDR ADOCK 05000528 G
e Pursuant to the provisions of 10 CFR 2.201.
Arizona Public Service Company is hereby required to submit a written statement or explanation to the U.S.
Nuclear Regulatory Commission, ATTN:
Document Control Desk.
Washington, D.C.
20555 with a copy to the Regional Administrator.
Region IV. 611 Ryan Plaza Drive. Suite 400. Arlington, Texas
- 76011, and a copy to the NRC Resident Inspector at the facility that is the subject of this Notice, within 30 days of the date of the letter transmitting this Notice of Violation (Notice).
This reply should be clearly marked as a "Reply to a Notice of Violation" and should include for each violation:
(1) the reason for the violation, or. if contested.
the basis for disputing the violations (2) the corrective steps that have been taken and the results achieved.
(3) the corrective steps that will be taken to avoid further violations.
and (4) the date when full compliance will be achieved.
Your response may reference or include previous docketed correspondence, if the correspondence adequately addresses the required response.
If an adequate reply is not received within the time specified in this Notice.
an order or a Demand for Information may be issued as to why the license should not be modified, suspended.
or revoked.
or why such other action as may be proper should not be taken.
Where good cause is shown'onsideration will be given to extending the response time.
Because the response will be placed in the NRC Public Document Room (POR). to the extent possible. it should not include any personal privacy. proprietary.
or safeguards information so that it can be placed in the PDR without redaction.
However. if it is necessary to include such information, it should clearly indicate the specific information that should not be placed in the POR.
and provide the legal basis to support the request for withholding the information from the public.
Dated at Arlington'exas this 11th day of June 1996
0
't