ML20214D809

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Applicant Exhibit A-133,consisting of 850102 Memo Re Cable Population Size Estimate.Min Random Sample Size Will Be 60, Per Rev 4 to BCAP-21,Exhibit a
ML20214D809
Person / Time
Site: Braidwood  Constellation icon.png
Issue date: 10/08/1986
From: Patel, Wang S
COMMONWEALTH EDISON CO.
To: Patterson A
COMMONWEALTH EDISON CO.
References
430, OL-A-133, NUDOCS 8705210488
Download: ML20214D809 (1)


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'87.72 21 P755uary 2,1985 5

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Subject:

Population size Estimate - Cables 5

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Reference:

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BCAP-21, Rev. 4, Section 4.1.6 Note

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Random Sample Identification - Cables l

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I-Date 12-18-84 g3 3.

Population Items - Cables, Rev. O, Date 10-31-84 The subject population has 8,575 entries.

In order to select 60 valid random sample items, the first 189 (Reference #2) random n ebers were required to be reviewed.

Estimated Population size =

60 x 8.575 189

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= 2722 Estimated Population Size = 2722 l

As per Exhibit A, BCAP-21, Rev. 4, the ministan random sample size will be 60.

The minimum recommended engineering judgement sample size will be 60.

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