ML17338A423
| ML17338A423 | |
| Person / Time | |
|---|---|
| Site: | Turkey Point  |
| Issue date: | 01/09/1979 |
| From: | Schwencer A Office of Nuclear Reactor Regulation |
| To: | Robert E. Uhrig FLORIDA POWER & LIGHT CO. |
| References | |
| NUDOCS 7901170435 | |
| Download: ML17338A423 (5) | |
Text
K/ H January 9,
1979.
Docket Nos'. 50-350 and 50-251 Dr. Robert E. Uhrig, Vice President Florida Power and Light Company Advanced Systems and Technology
~P. 0. Box 529100 Miami, Florida 33152
Dear Hr. Urhig:
ISTRI BUTION Doc et 50-250/251 NRC PDR Local PDR NRR Reading ORB RF B. Grimes V. Steihlo D. Esienhut A. Schwencer MGrotenhuis-EReeves OELD
, C. Parrish TERA J.
Buchanan I/ Ig~~.
Ne have reviewed your surveillance reports submitted by letters of October 10 and 16, 1978.
These Iletters forwarded the Containment Structure Post-Tensioning System Fifth Year Surveillance Reports for Turkey Point Nuclear Generating Units Nos.
3 and 4.
In-order that we may complete our review, please provide additional information as indicated in the enclosure within 45 days of receipt of this letter.
Sincerely, Original signed bg
Enclosure:
Request for Additional Information A. Schwencer, Chief Operating Reactors Branch 81 Division of Operating Reactors cc:
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'lorida Power
& Light Company 2
January 9, 1979 cc:
Mr. Robert Lowenstein, Esquire Lowenstein,
- Newman, Reis 8 Axelrad 1025 Connecticut
- Avenue, NW Suite 1214 Washington, D.C.
20036 Environmental 8 Urban Affairs Library Florida International University Miami, Florida 33199 Mr. Norman A. Coll, Esquire
- Steel, Hector and Davis 1400 Southeast First National Bank Building Miami, Florida 33131 Florida Power 5 Light Company ATTN:
Mr. Henry Yaeger Plant Manager Turkey Point Plant P. 0.
Box 013100 Miami, Florida 33101
~'
ENCLOSURE RE UEST 'R'ADDITIONAL INFDRMATIGN l.
Unit ¹3 and Unit ¹4 Nany generic information requests, also valid for the subject facilities, have been issued on Bechtel designed containments (e.g.,
on Arkansas Nuclear One - Unit ¹1 and Calvert Cliffs Unit ¹1).
These requests have been forwarded to the respective licensees, are therefore available to Bechtel, and need not be repeated here.
They may be grouped as follows:
e
- Basic Unit for tendon surveillance is the whole tendon and not the individual wire.
o Study of miscellaneous tolerances.
o Technique of the lift-offtest and study of errors-probable and mean.
Technique of wire removal and danger of damging the wire.
e Evaluation of prestressing
- losses, and normalizing factors.
o Bechtel's criteria for tendon surveillance.
Provide responses to the earlier requests 'either by a discuspion, a study with definite conclusions, or express your agreement'ith our statements.
as contained in those requests.
2.
Unit ¹3 In regard to the Bechtel recommendation of sealing the covers (paragraph 2.1 page 2):
a.
Explain the sealing method which will be used to make the pocket covers water tight and present the quality control procedure of this operation.
b.
Explain the method by which the present water will be removed and-indicate the procedure which will be followed to check whether all the water has effectively been removed.
c.
Explain the procedure which will be followed to check for new condensed water which might be collected in the future (by penetrating through vents, cracks or other water paths).
- What, provisions will be made to absorb such future condensed water?