ML18029A190
| ML18029A190 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 10/19/1984 |
| From: | Mills L TENNESSEE VALLEY AUTHORITY |
| To: | Harold Denton Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8410260057 | |
| Download: ML18029A190 (8) | |
Text
REGULATORY FORMATION DISTRIBUTION SY M (RIDS) 4 ACCESSION NBR;8010260057 DOC ~ DATE! 84/10/19 NOTARIZED:
YES FACIL:50-259 Browns Ferry Nuclear Power Stations Unit li Tennessee 50-260 Browns Ferry Nuclear Power Stationi Unit 2i Tennessee 50-296 Br owns Ferry Nuclear Power Stations Unit 3< Tennessee AUTH,NAME AUTHOR AFFILIATION MII LSr L ~ M ~
Tennessee Valley Authority RECIP ~ NAME RECIPIENT AFF ILIATION DENTON~H ~ R>>
Of.fice of Nuclear Reactor Regulationi Director
SUBJECT:
Forwards revised request for relief from ASME Section XI hydrostatic pressure testing program requirements,Piping will be tested at some time as hydrostatic test for Class 1
reactor vessel 8 associated piping>>
DISTRIBUTION CODE>>
A047D COPIES RECEIVED LTR "ENCL SIZE ~
TITLE!
OR Submittal: Inservice Inspection/Testing NOTES;NMSS/FCAF,1cy
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TENNESSEE VALLEYAUTHORITY cHATTANooGA. TENNEssEE sv401 iIOO Chestnut Street Tower II October 19, 198tI Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, D.C.
20555
Dear Denton:
In the Matter of the Tennessee Valley Authority
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Docket Nos. 50-259 50-260 50-296
'1 By letters dated November 3,'978,March 20, July 3, July 11,
- 1979, and January 23, 1981 TVA submitted the ASME Section XI hydrostatic pressure testing program for Browns Ferry Nuclear Plant units,1, 2, and 3.
In those submittals we included the requests for relief from code requirements needed for Browns Ferry.
Enclosed is a revised request for relief H-3 tosupercede that request made in the above-referenced submittals.
If you have any questions regarding this matter, please get in touch with us through the Browns Ferry Project Manager.
Very truly yours, TENNESSEE VALLEY AUTHORITY Sworn to me t is L. M. Mills, M ager Nuclear Licensing ubscribe bef re
day of 198'.
Notary Public My Commission Expires Enclosure cc:
See page 2
84i0260057 84iOi9 PDR ADOCK 05000259 P
PDR An Equal Opportunity Employer
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Mr. Harold R. Benton October 19, 1984 cc (Enclosure):
U.S. Nuclear Regulatory Commission Region II ATTN:
James P. O'Reilly, Regional Administrator 101 Marietta Street, Suite 2900 Atlanta, Georgia 30323 Mr. R. J. Clark Browns Ferry Pro)cot Manager U.S. Nuclear Regulatory Commission 7920 Norfolk Avenue
- Bethesda, Maryland 20814
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t ENCLOSURE BROWNS FERRY NUCLEAR PLANT HYDROSTATIC TESTING PRESSURE REQUEST FOR RELIEF H-3 SYSTEM CLASS Main Steam beyond out-board MSIV; steam to Reactor Feed Pump Turbines, SJAE, Off-Gas Preheater; Core Spray (high pressur e piping downstream of FCV 75-23 and FCV 75-51);
RHR (high pressure piping downstreasm of FCV 74-52 and FCV 74-66);
HPCI (piping downstream of FCV 73-44);
RCIC (piping downstream of FCV 71-39);
and CRD (3/4 inch piping between valves FCV 84-39B>>
and 85-617>> and 1-inch and 1/2<<inch piping between valves FCV 84-39A>>,
85-589>>,
85-590>>,
and the hydraulic accumulators).
TEST REQUIREMENT -
Hydro at 1.25 x Design Pressure BASIS FOR RELIEF-This piping will be tested at the same time as the hydrostatic test for the Class 1 reactor vessel and associated piping, due to valve locations and insufficient test connections to test to higher pressures.
Pressurization of the portions of Class 2 CRD to 1.25 x design pressure could result in damage to the drive unit tubes if a scram signal was received during the test and the boundary valves opened.
ALTERNATE TESTING The portions of the Class 2 systems identified above will be hydrostatically tested in con)unction with the Class 1 reactor vessel hydrostatic test at the appropriate Class 1 pressure.
"There are 185 valves with this number which are denoted by -1 through -185 after the flow diagram number.
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