ML20077D236

From kanterella
Jump to navigation Jump to search
Responds to Ltr Re Violations Noted in Insp Rept 50-219/91-12.Corrective Actions:Calculations Performed & Documentation Demonstrating Particular Application of Shielding Appropriate Completed
ML20077D236
Person / Time
Site: Oyster Creek
Issue date: 05/15/1991
From: J. J. Barton
GENERAL PUBLIC UTILITIES CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
C321-91-2140, NUDOCS 9105290115
Download: ML20077D236 (2)


Text

_. -

-m p

GPU Nuclear CorporaHon U NUCI68r "o" o"a eo 388 Route 9 South fork ed Rivet, New Jett-ey o8731 o388 009 971 4000 Writet's Deret t Dial Numtier-C321 91-2140 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C.

20555

Dear Sirs:

Subject:

Oyster Creek Nuclear Generating Station Docket No. 50 219 Inspection Report 91-12 Reply to a Notice of Violation in accordance with 10 CFR 2.201, enclosed is GPUN's reply to the notice of violation identified in NRC Inspection Report 91-12.

The letter transmitting Inspection Report 91 12 also identifies a concern unrelated to the violation which GPUN would like to address.

The letter states, "We (NRC) are concerned about the increasing number of improper entries into the drywell (high radiation area) by workers who fall to carry the proper dosimetry for such entries." However, inspection Report 91-12 identifies 2 such occurrences and notes, "00th incidents were identified by RCTs and corrective actions were taken promptly... these appeared to be isolated cases in view of the large number of entries made into the drywell during the outage.

Both workers also had redundant dosimetry, including integrating alarming dosimetry." The transmittal letter seems to imply a programmatic problem while the inspection report considers the occurrences to be isolated.

GPUN concurs with the discussion in the inspection report.

GPUN has reviewed records of drywell entries and has determined there have been 4 such occurrencer in over 40,000 drywell entries during the current outage.

We believe this performance does not indicate a programmatic weakness in the area of radiological controls.

If further information is required, please contact Mr. Michael Heller, Licensing Engineer, at (609) 971-4680.

Ve truly yours, f

(Q du__ >

1

.J ro

.f Dir c, Oyster Creek i

l Enclosure cc:

Administrator, NRC Region 1 l

l Senior NRC Resident inspector Oyster Creek NRC Project Manager l

9105290115 910515 n

PDR ADOCK 0D000219 v

0 PDR t, i k k) hf h) !b l b a]

.b b.)

!( In$f k

k, bhf )

kj l

[ I Ik)b

()f h h i() I

i Attacnment 1 Ecolv to a Notice of Violation Y1010139Al Technical Specification Section 6.8, " Procedures" states, in part, that

" Written procedures shall be established, implemented, and maintali.ed".

Procedure 9300 ADM-3282.01, "Use of Permanent and Temporary Shielding",

Section 4.2.2, states that " Unauthorized use or storage of shiciding materials within the Radiologically Controlled Area is prohibited".

Contrary to the above, on March 18, 1991, temporary lead shielding was installed in the valve nest area on the 51 foot elevation of the drywell without first obtaining the proper authorizations required by the procedure.

This is a Severity Level IV violation (Supplement IV).

89VhL 1.

GPUN concurs with the violation as cited.

2.

The violation was caused by the lack of knowledge on the part of one contractor radiological control; technician who placed two 15 kilogram lead wool blanket shields on a valve in the reactor water clean up system.

3.

Immed' ate corrective actions involved performing the calculations and completing the documentation that demonstrated that the particular application of shielding was appropriate.

This event will be used in future contractor trainino as a way to demonstrate appropriate use of plant procedures for temporary shielding.

4.

Full compliance was achieved on March 18, 1991.

~

_ _ _ _ _ _. _. _ _ _. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _