ML20006B468

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Responds to NRC Bulletin 89-002, Stress Corrosion Cracking of High Hardness Type 410 Stainless Steel Internal Preloaded Bolting in Anchor Darling Model S350W Swing Check Valve or Valves of Similar Design. Subj Valves Not Used by Util
ML20006B468
Person / Time
Site: Crystal River Duke Energy icon.png
Issue date: 01/19/1990
From: Beard P
FLORIDA POWER CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
3F0190-12, 3F190-12, IEB-89-002, IEB-89-2, NUDOCS 9002020255
Download: ML20006B468 (2)


Text

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C O R PO R At ION 1

1 January 19, 1990 j 3F0190-12 I

U. S. Nuclear Regulatory Commission '

Attn: Document Control Desk 1 Washington, D.C. 20555 i

Subject:

Crystal River Unit 3 Docket No. 50-302 Operating License No. DPR-72 NRC Bulletin No. 89-02: Stress Corrosion Cracking  ;

of High-Hardness Type 410 Stainless Steel Internal Preloaded Bolting in Anchor Darling Model S350W Swing Check Valve or Valves of Similar Design

Dear Sir:

NRC Bulletin 89-02 requested licensees to identify, disassemble and inspect all safety-related Anchor Darling Model S350W swing check ,

valves supplied with internal retaining block studs of ASTM '

specification A193 Grade B6 Type 410 SS. Licensees were also requested to review the design of other safety-related check valves to determine if' similar designs and material selection to the Anchor Darling Model S350W were used.

If so, such valves should ,

be similarly inspected.

l Florida Power Corporation (FPC) certifies that FPC does not have '

Anchor Darling Model S350W swing check valves with Type -410 SS bolts subject to Bulletin 89-02. In addition, FPC does:not have  ;

any other valves of similar' design with preloaded Type 410 SS bolt .

material. '

Sincerely, 1

P. M. eard, Jr.

Senior Vice President ')

l Nuclear Operations 9002020255 900119 l PDR ADOCK 05000302 l i

I PMB/GMF/sdr o PDC ,

xc: Regional Administrator, Region II ggM j Senior Resident Inspector GENERAL OFFICE: 3201 TNrty fourth Streel South

  • P.O. Box 14042
  • St. Petersburg, Florida 33733 + (BI3) 866 515 A Florida Progress Company

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STATE OF FLORIDA COUNTY OF PINELLAS P. M. Beard, Jr. states that he is the Senior, Vice President Nuclear Operations for Florida Power Corporation; that he is authorized on the part of said company to sign and file with the Nuclear Regulatory Commission the information attached heretor and that all such statements made and matters set forth therein are true and correct to the best of his knowledge, information, and belief.

/ ~

h P. M. Beard, Jr.,

Senior Vice President Nuclear Operations i

Subscribed and sworn to before me, a Notary Public in and for the State and County above named, this 19th day of January, 1990.

I M&c..V Notary Public Notary Public, State of Florida at Large, lotARY PUBLIC STATE OF FLORIDA My Commission Expires: f[I!!I[$$[,%22d[3 j