ML20211G709

Partially Deleted Memo Discussing Allegation 4-86-A-019 Re 30% Overrolling of Tubes Resulting in Busting of Tube Sheet, Spider Web Cracking of Tube Sheet & False Statements Concerning Tube Sheet Alignment

ML20211G709
Person / Time
Site:	Comanche Peak
Issue date:	05/23/1986
From:	Emerson M NRC
To:	Ellis J Citizens Association for Sound Energy
Shared Package
ML20211G546	List: IA-86-726, Responds to Re Referrals of Allegations.Region IV Has Not Referred Allegations to Util Other than 860530 Ref in Ltr.Alleger Did Not Request Confidentiality & Has Identified Case as Contact ML20211G541 ML20211G578 ML20211G653 ML20211G709 ML20211G769
References
FOIA-86-726 NUDOCS 8702250498
Download: ML20211G709 (3)

Text

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DO NOT DISCLOSE s MAY :? SG 1

ei n, SE 1426 5. Polk Street m aMnu 2. M NM M lihUa Dallas, Texas 75224 Act, exempUons -- U f0!A % M C/C / ' ~^

~

Reference:

Allegationl oT 4'~8 FA-019'

~

Dear Mrs. Ellis:

During d scussion with Mr. V. S. Noonan, Mr. T. F.

Weste , and other NRC m rs on October 2, 1985, and in a subsequent telephone call to Mr. Ian Barnes on October 10, 1985, a number of allegations were brought to the attention of the NRC staff.

The NRC staff has reviewed, llegations to determine which of the allegations are new an w ich of the a egations are already covered by the staff's findings. In addition, the allegaticns have been classified as safety-related/nonsafety-related. NRC, in accordance with the NRC Executive Director of Operations (ED0) policy contained in the proposed NRC Manual Chapter 0517 -

will forward certain allegations to Texas Utilities Electric Company (TVEC), I and the TUEC actions will be reviewed by the staff.

Also, in accordance with the ED0 Policy contained in the proposed NRC Manual Chapter 0517, the new allegations which are nonsafety-related (i.e., non-NRC regulated activity) are being forwarded to TUEC and will receive no further hRC evaluation.

The NRC's understanding of llegations and the status of these j allegations is as follows: .-s .

Main Condensers Status ,

• There was up to 30% overrolling of This allegation is addressed in the tubes which resulted in " busting" SSER #10, M/P Cat. 14, AW-47.

the tube shcet.

can provide information A potential new nonsafety-related l regar ing. spider web cracking of the allegation. This allegation will tube sheet, be forwarded to TUEC for action 0702200490 870220 with no further NRC evaluation.

PDR FOIA BAUMAN86-726 PDR

• The tube sheet is out of alignment 3/8". This allegation is addressed in l SSER #10 M/P Cat. 30, AQW-15.

The Brown & Root superintendent, George A potential new allegation that l Panley, made statements to the NRC that remains under staff review.

are not the truth regarding tube sheet

alignment.

RIV:ACg E0 C:RSB k DRSP NRR g PS MEmerson DAPowers TFWesterman Joh on artin VJoonan h' 6 4\ /86 5 / P/86 [/gt{/86 /p86 86 L ////86 A M NOT DISCLOSE

I s

DO NOT DISCLO2E Juanita Ellis Pam (described as having had the

. damaged sensor)

The rad and ta r of the dam are A potential new nonsafety-related wrong. f Glen allegation. This allegation will Rose can su stant ate. be forwarded to TUEC for action and to the State of Texas which has jurisdiction over the Squaw Creek Reservoir.

Peactor Cavity Liner Plate The tape recorder was off when he A potential new safety-related expressed concerns regarding cracking allegation. This allegation will in the reactor cavity liner plates. be forwarded to TUEC for action and The cracking problem needs to be looked will receive NRC followup.

at generically based on lot and heat numbers.

• Approximately 30-35 plates in Unit 1 This allegation is addressed in and 25-40 plates in Unit 2 have been NRC Inspection Report 50-445/85-07 removed due to voiding behind the plate. and 50-446/85-05.

Main Circulating Water Pumps The pump intake baffles were improperly A potential new nonsafety-related fitup (gap) and the proper weld proce- allegation. This allegation will

• dures were not followed. W. W. Grant be forwarded to TUEC for action -

was the welder involved in the baffle with no further NRC evaluation.

i installation.

l The " emergency gates" retaining insert A potential new nonsafety-related l for the main circulating water pump is allegation. This allegation will not properly installed. be forwarded to TUEC for action with no further NRC evaluation.

I TDI Emergency Diesel Generator-Auxiliary Skids

• Af ter having worked on the skids for This allegation is addressed in several years due to defective fabri- SSER #10, M/P Cat. 1,AW-38, cation, the applicant scrapped the skid. AQW-24; M/P Cat. 27, AQW-11, l This will result in extra cost since HQW-16.

l there were three different versions of l the same skid.

DO NOT DISCLOSE

I DO NOT DISCLOSE Juanita Ellis Unit 1 Ccntainment Wall 1

A potential r.ew safety-related allegation. The allegation will

.ormed him that two or three 5-gallon ~ be forwarded to TUEC for action cans containing trash had been incorpo- and will receive NRC followup.

rated into the Unit 1 containment wall.

The location stated to be the WNW wall, 50 feet from the airlock, at the same elevation as the airlock.

l l

• No further NRC action on these allegations in anticipated.

Since has indicated of this etter be provided to u as our contact we request that a copy ,

l Should ave further details or corrections to our understanding of a legations, please have call me collect at (817)860-8100.

OWOHAL StGHED CY:

t/ ARK Eivlili's50'4 .

Mark Emerson Allegations Coordinator bec:

LEllershaw/

TWestennan ,

EJohnson l VNoonan, NRR R. Brady, NRR I

l DO NOT DISCLOSE

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