ML19269F391

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Notice of Violation from Insp on 781211-790125
ML19269F391
Person / Time
Site: Midland
Issue date: 12/06/1979
From:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
To:
Shared Package
ML19269F386 List:
References
NUDOCS 7912200651
Download: ML19269F391 (2)


Text

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DEC 6 1979 APPENDIX B NOTICE OF VIOLATION Consumers Power Company Docket No. 50-329 Docket No. 50-330 This refers to the investigation conducted by the Office of Inspection and Enforcement at the Midland Nuclear Power Plant, Units 1 and 2, Midland, Michigan, at your offices in Jackson, Michigan, and at Bechtel Corporation, Ann Arbor, Michigan, of activities authorized by NRC License No. CPPR-81 and No. CPPR-82.

During this investigation conducted on various dates between December 11, 1978 and January 25, 1979, the following apparent item of noncompliance was identified.

The Midland Final Safety Analysis Report (FSAR) contains the following:

Section 2.5.4.5.3, Fill, states: "All fill and backfill we.P placed according to Table 2.5-9."

Table 2.5-9, Minimum Compaction Criteria, contains the following:

Compaction Criteria (7)

" Function Designation Type Degree ASTM Designation Support of Clay 95%

ASTMD155g6T structures (modified)

(1) For zone designation see Table 2.5-10.

(2) The method was modified to get 20,000 foot pounds of compactive energy per cubic foot of soil."

Section 2.5.4.10.1, Bearing Capacity, states:

" Table 2.5-14 shows the contact stress beneath footings subject to static and strtic plus dynamic loadings, the foundation elevation, and the type of supporting medium for various plant structures."

Table 2.5-14, Summary of Contact Stresses and Ultimate Bearing Capacity for Mat Foundations Supporting Seismic Category I and II Structures, contaias, in part; the following:

" Unit Supporting Soils Diesel Generator Controlled compacted Building cohesive fill."

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29,2200

EEC G G75 Appendix B 2-This information is false, in that materials other than controlled compacted cohesive fill were used to support the di2 sol generator building and informa-tion presented concerning the supporting soils influenced the staff review of the FSAR.

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