ML20100B669
| ML20100B669 | |
| Person / Time | |
|---|---|
| Site: | Shoreham File:Long Island Lighting Company icon.png |
| Issue date: | 10/30/1984 |
| From: | Dante Johnson, Mccarthy R, Rau C, Wachob H, Wells C LONG ISLAND LIGHTING CO. |
| To: | |
| References | |
| OL-A-B-059, OL-A-B-59, NUDOCS 8503280519 | |
| Download: ML20100B669 (6) | |
Text
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'L5 FAT 22 A!0:06 L'I L C O, October 29, 1984 UNITED STAIES OF AMERICA NUCLEAR RESULATORY COMMISSION Before ene Atomic Safety and Licensing Board 4
In the Matter of
)
)
LONG ISLAND LIGHTING COMPANY
)
Docket No. 50-322(OL)
)
(Shoreham Nuclear P0wer Station,
)
Unit 1)
)
SUPPLEMENTAL TESTIMONY OF ROGER L.
- MCCARTHf, CHARLES A.
RAU, CLIFFORD H.
- WELLS, HARRY F.
WACH03, DUANE P.
- JOHNSON, C RA IG K. SEAMAN, EDWARD J.
YOUNGLING AND MILFORD H.
SCHUSTER ON BEHALF OF LONG ISLAND LIGHTING COMPANY LN SUFFOLK COUNTY CONTENTION RE3ARDI:iG CYLINDER _BLO K3 I
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UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION Before tne Atomic Safety and Licensing Board In the Matter of
)
)
LONG ISLAND LIGHTING COMPANY
)
Docket No. 50-322(OL)
)
(Shoreham Nuclear Power Station,
)
Unit 1)
)
SUPPLEMENTAL TESTIMONY OF ROGER L.
- MCCARTHY, CHARLES A.
RAU, CLIFFORD H. WELLS, HARRY F.
MACHOB, DUANE P. JOHNSOil, CRAIS K.
SEAMAN, EDWARD J. YOUNGLING AND MILFORD H.
SCHUSTER ON BEHALF OF 1
LONG ISLAND LIGHTING COMPANY ON SUFFOLK COUNTY CONTENTION REGARDING CYLINDER BLOCKS l
1.
What is the purpose of this Supplemental Testimony?
A.
(McCarthy, Rau, Wells, Wachob, Johnson, Youngling, Seaman, Senuster).
It provides new information froa the current test run of the ED3 133 that is applicable to the cam gallery area of EDG 101, 152 and 103.
Strain gage measurements taken during the test run demonstrate tnat the vertical stresses in tne cam gallery sadd12 area; era compressive, thus preventing anj crack propagation.
In addi lon, meacarements of Inal:3::;ns dete::ed in :ne 02.7 gall 2ry ;f ne replareme:10 E"3 103 olacs :f a cra:s dep:n gage 3:monstrate tn it tn>
nd at:3ns are
<>rf an;1'.os.
Incse Ind:22*;cn3 stil nut eX:903 dJr..".3 engine Operat130, 3nd :ney '4111 n): 1.r.pd i r :ne I
30 1;;; af tre E:3 133 10 p?rf0rn its intende3 f a n :. t u r..
'l
e s 2.
Please descrice One cam gallery locatlans inspected on One replacement EDG 103 block.
A.
(Rau, Wacnob, Johnson, Youngling, Schuster).
A visual inspection of cam gallery location nos. 2 and 8 in the replacement EDG 103 did not reveal any indications.
An examination with a material comparator established that there were no repair welds.
Magnetic particle and liquid penetrant examinations, wnicn were not required by the acceptance criteria for tne i
clock, were performed on cam saddle location nos. 2 and 3 in preparation for the placement of strain gages in these locations.
Tnese inspections revealed discontinuous and fine j
linear indications.
These areas were examined on October 18, 1984 witn the same crack depth gage used to inspect EDG 101 and tne original 123 olock cam sadale regions.
Tne deepest indication in tne replacement ED3 133 block sas.014 inch.
3.
Please descrioe tne recent strain gage measurements in tne cam gallery region.
A.
(Raa, Wells, dachob, Youngl;ng, Senuster).
Stratn gage r asettes sare pl aced on and to tne. eft and rijn af Jam jillery s33iles 70s. 2 3ni 3 of ED3 il; *: part 3f tne testin]
pr;; ram regaested n.
Ins :E Stift.
sne.
23_ tan of :nes.
fajes 13 snoda an EAhlol; 3-39.
II. : / e r *. ; c a l stress resu'ts f e c.; tne stra:n ga;e test, wni n cecame reatlaole on Octocet 27, are complete;y Jac.atstent si:n prelim:nar, cam galleri I
- s. rain 333e data provided ta tne Co.nty and NF: counsel at tne
b depositions of Drs. Raa and Wacnoo on Octcoer 11, 1994, and eney demonstrate tnat tne vertical stresses in the cam gallery area remain compressive ander operating conditions.
The vertical stresses obtained from each of tne six strain gage locations are summarized in Exhibit B-59.
4.
Are the results of the strain gage test relevant to EDG 101 and 102, since eney have repa'r welds?
A.
(Rau, Wells, Yoangling)
Yes.
The large compressive stress induced by bolt torque is sufficient to maintain the cam d
gallery saddle regions of the EDG 101, 102 and 103 blocks in compressive stress.
The repair welds present in the cam gallery of the EDG 101, 102 and the original 103 block introduce additional compressive residual stresses in the cast l
Therefore, even if the original g
t snrinkage cracks were deeper than the weld repairs in EDG 101 and 102, the strain gage tests confirm tnat compressive
- )
stresses will ce present to prevent any extension.
I j
5.
Do you nave an opinion, cased an a reasonable degree of engineering certainty, wnether tne replacement EDG 103 010:K, witn the indications noted in tne cam gallery area, will perform its intende tanctiont
~
A.
(McCartny, Baa, Wells, Younglinji.
In aar tpinian, tne indications in tne repia;enint tL; Isi c6 3es
-iti nat i
1.np a i r tne 30111ty of tne EDS ta perform its intendci fanction.
These indi:3tions sil. not :- x t e nd and 41.1 nave no etfect was:s: ace: an en;; - aperstion or enj:na telt2r.11ty.
4 Farthermore, tne strain gage results confirm, as tne analysis had previously shown, that the vertical stresses in the cam gallery area remain compressive under operating conditions, thereby confirming our conclusion that none of the cam gallery indications in EDG 101, 102 or 103 will extend.
This conclusion is also consistent with the destructive examinations of ne cam gallery saddles of the original EDG 103 bloc 4, which showed no growth.
Clearly, therefore, cam gallery 4
cracks, if present, have not propagated and will not propagate, I
and they will not impair EDG operation.
I t
e
'S e
D
o Exhibit B-59
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