ML19320B149

Interim Deficiency Rept Re Breakdown in Quality Program for Concrete Placement CIl-W90.Brown & Root Continuing Investigation of Conditions & Examining Documentation & Physical Quality of Placement

ML19320B149
Person / Time
Site:	South Texas
Issue date:	07/03/1980
From:	Oprea G HOUSTON LIGHTING & POWER CO.
To:
References
ST-HL-AE-492, NUDOCS 8007090365
Download: ML19320B149 (2)

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The Light COInpanTf Houston Lighting & Power P.o. 80x 1700 Houston. Texas 77ooi (7i3> 22s.92ii July 3, 1980 ST-HL-AE- 492 SFN: V-0530 Mr. Karl Seyfrit Director, Region IV Nuclear Regulatory Comission 611 Ryan Plaza Drive Suite 1000 Arlington, Texas 76102

Dear Mr. Seyfrit:

South Texas Project Interim Report Concerning the Quality Program for Concrete Placement CIl-W90 On June 4,1980, Houston Lighting & Power Company notified your office of a potentially reportable deficiency concerning a breakdown in the quality program for concrete placement CIl-W90 (Steam Generator Secondary Shield Wall in the Unit 1 Reactor Containment Building). During a Brown & Root internal audit conducted from April 7-10, 1980 on concrete placement activi-ties, an indepth review was perfomed on all activities and documentation relating to concrete placement CIl-W90 (placement made 10/29/79). This placement was randomly selected by the auditors as representative of safety-related concrete activities during late 1979. The findings of this audit, as documented in Brown & Root Audit Deficiency Report (ADR) ST-36.7, raised numerous questions concerning Brown & Root meeting their specification and procedural requirements for pre-placement, placement and post-placement activities.

The auditors felt that the failure to meet the specification and pro-cedural requirements indicated a breakdown in the quality program which caused the physical quality of concrete placement CII-W90 to be indeter-l minate until proven otherwise. Brown & Root is continuing to investigate the conditions documented in ADR ST-36.7 and examining the documentation j- and physical quality of this placement. These investigations are beint I

%D 80070go 3 G y

i Houston Lighting & Power Company ST-HL-AE-492 '

SFN: V-0530 July 3,1980 page 2 performed in conjunction with our response to the NRC Order to Show Cause, Item 3(b). A second interim report regarding this specific reportable deficiency will be submitted to the NRC on August 4,1980. -

Very truly yours,

. . ea, Execu ive V President SSR/pjb

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