ML20084L209

Comments on Rept on Honeycombing - Turkey Point Unit 3 Containment Mat, Dtd 680719.Insp Procedures Outlined & Repair Recommendation Appear Entirely Adequate

ML20084L209
Person / Time
Site:	Turkey Point
Issue date:	09/09/1968
From:	Kesler C ILLINOIS, UNIV. OF, URBANA, IL
To:	Reinmuth G US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML17198A202	List: ML20084L029 ML20084L032 ML20084L206 ML20084L209 ML20084L812
References
NUDOCS 8305200355
Download: ML20084L209 (2)

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czpansion. It would be vc11 to alco indiccta an upper limit fdr ti.e exp naion,

! aince too much expansion can rc.sult in an unaaticiactory Q ? It is not clear just. where the repairs vill be rade uith grout and 'vhere with shoteratu i or dry-pack. The impression is givc n that grcuting vill be used wherever reiniorcing has been expocad. In cara cf the less critical crcr.a it nay bc

satisfactory to usa shotcrate even thotel the reinforcing has been exposed. A d

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! Every effort cheuld 50 t,ade to incurc completc fillin;; of the voids d f l

around the prostressed cable becrinc plater. I as not awarc that the .g t 'f aj e

" presence of voids behind tendon bearit:3 plates in a relatively ecmen occurrhc . /

1 in prestressing work," as apparently E.tated by Mr. Kalka or so indicated in y l Chapter VIII.

l The measures cutlired in Chapter VII to prevent a reoccurrence of

! honeycombing in the base of Unit 4 aru t at is inc tory. It was clear cc the j time of our visit in April that thc'pincmcr.: of tha reinforcin;; in Unit '. vas

. much improved compared to Unit 3 d.d placin, cf the concreta around tha rcin- '

.l ' forcing in Unit I. should be natinftetery. I ctc that closc ceu.unicatien j- will be raintained betveca the point 'cf din.ut;;c and the batch plant. If the .

t "preventivo measures" as cutlinc.d in this ch .itar are follow (d, there cLculd bo I no difficulty with the picccr. cat cf the conente, i

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Folle.41ng the pregese 1 repcir r ,ura; as eutlined in this re; ort should adequately repair 'a.a 3 cnd fc .lenu th c.urgested reasurcc for prc/ cat-

' ing honeycorbin:: in the concretc of Unit 4 cheuld clininate the prob 1cn thera.

I will return the report in unouc a .uoc, cfter furtner revie.e.

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