ML22154A191
| ML22154A191 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley, Millstone, Sequoyah, Arkansas Nuclear, Seabrook, Waterford, South Texas  |
| Issue date: | 05/12/2022 |
| From: | David Brown Lake Engineering Co |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| Download: ML22154A191 (2) | |
Text
LAKE ENGINEERING CO.
P.O. Box296 10 Austin Avenue Greenville, RI 02828 Tel: 401-949-4733 Fax : 401-949-0220
May 12, 2022
U S Nuclear Regulatory Commission Attn: Document Control Room Washington, DC 20555-0001
Subject:
Third Interim Notification per 1 O CFR Part 21 Degraded Snubber SF1154 Hydraulic Fluid Batch No. 18CLVS431
This letter is a follow up to my letter dated March 3, 2022 pertaining to the above subject.
The following table reflects the status of US facilities to which SF1154 fluid from Batch 18CLVS431 was shipped by Lake Engineering Company (LEC) in accordance with purchase orders which specified that the requirements of 10 CFR Part 21 are applicable.
FACILITY STATUS RE: BATCH 18CLVS431 FLUID COMMENTS
Waterford 3 Fluid used in some installed snubbers No substantial safety hazards
ANO Use status to be determined by facility No substantial safety hazards
Beaver Valley Fluid used in some installed snubbers No substantial safety hazards
So. Texas Project Fluid used in some installed snubbers No substantial safety hazards
Sequoyah Fluid not used in installed snubbers No substantial safety hazards
NTS Use status to be determined by facility Evaluation ongoing
Seabrook Fluid used in some installed snubbers No substantial safety hazards
Lake Engineering Company shall continue its evaluation to determine whether the subject anomalies represent defects which could create a substantial safety hazard. Determination in this regard shall continue to involve interaction between Lake Eng1neenng Company and the facilities listed above.
Our current goal is to complete our evaluation by July 12, 2022 at which time a determination will have been made as to whether a substantial safety hazard exists. If additional time is required for the above determination, an interim report shall be submitted that shall include an updated completion date.
U S Nuclear Regulatory Commission May 12, 2022 Third Interim Notification per 10 CFR Part 21 Page2 Degraded SnubberSF1154 Hydraulic Fluid Batch No. 18CLVS431
If there are any questions or if additional information is required, please contact the writer using the contact information provided above or by email at dbrown@lakeengineeringri.com.
Very truly yours,
LAKE ENGINEERING COMPANY
D. P. Brown, P.E.
President DPB/d/let051222. nrc
cc : P. Guay - QA Mgr.