View source for PNO-II-86-091C, ultrasonic Testing of Unit 1 Piping Elbow Disclosed Min Pipe Wall Thickness of 0.16 Inch.Design Specs Require 0.36 Inch Min Thickness.Ultrasonic Testing Continuing

{{Adams
| number = ML20215E586
| issue date = 12/15/1986
| title = PNO-II-86-091C:ultrasonic Testing of Unit 1 Piping Elbow Disclosed Min Pipe Wall Thickness of 0.16 Inch.Design Specs Require 0.36 Inch Min Thickness.Ultrasonic Testing Continuing
| author name = Cantrell F, Croteau R
| author affiliation = NRC OFFICE OF INSPECTION &amp; ENFORCEMENT (IE REGION II)
| addressee name = 
| addressee affiliation = 
| docket = 05000280, 05000281
| license number = 
| contact person = 
| document report number = PNO-II-86-091C, PNO-II-86-91C, NUDOCS 8612230020
| document type = PRELIMINARY NOTIFICATION OF EVENT OR OCCURRENCE (PNO,, TEXT-INSPECTION &amp; AUDIT &amp; I&amp;E CIRCULARS
| page count = 2
}}
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PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE PN0-II-86-91C This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. The information is as initially received without verifi-cation or evaluation, and is basically all that is known by the Region II staff on this data.
FACILITY: Virginia Electric & Power Company              Licensee Emergency Classification:
Surry Units 1 and 2                                Notification of Unusual Event Docket Nos. 50-280/281                             Alert Surry, Virginia                                    Site Area Emergency General Emergency X Not Applicable

==SUBJECT:==
SECONDARY SYSTEM PIPE FAILURE - UPDATE This PN updates PN0-II-86-91, PN0-II-86-91A, and PN0-II-86-91B, issued on December 10, D:cember 11 and December 12.
During the weekend, ultrasonic testing in Surry Unit 1 of a piping elbow similar to that which broke in Unit 2 disclosed a minimum pipe wall thickness of .16-inch.                       Design specifications call for this pipe to be half an inch thick with a minimum code allowable thickness of .36-inch. Ultrasonic testing is continuing.
M:st members of the Augmented Inspection Team (AIT) left the site on Friday, December 12.
One inspector from the Region II office remained on site until yesterday morning observing the licensee's continuing investigation. The resident inspector also was in contact with VEPC0 officials during the weekend.
R:gion II management will decide today on deployment of additional personnel to continue the NRC inspection.
Today, VEPC0 is conducting a tour of the accident area for representatives of the Commonwealth of Virginia. A similar tour was conducted Friday for representatives of Surry County, and a vie t is scheduled for tomorrow by officials of the City of Newport News.
Extensive media coverage continues. VEPC0 conducted another news conference for television reporters Friday afternoon, participated in by a Region II-based NRC publie-affairs officer who accompanied the AIT. VEPC0 on Saturday announced the findings of the ultrasonic tests of the Unit 1 piping. NRC is continuing to respond to inquiries.
This information is current as of 3:00 p.m.,     (EST) today.

==Contact:==
R. Croteau, 242-4668                          F. S. Cantrell, 242-5534 DISTRIBUTION:
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