ML20214D809

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
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 BCAP Memo # h30 N h b

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N To: A. A. Patterson 'k I *3 y* ,

3 From: 5. C. Wang (DE) N \

Subject:

Population size Estimate - Cables 5 j {

Reference:

1. BCAP-21, Rev. 4, Section 4.1.6 Note

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2. Random Sample Identification - Cables I-Date 12-18-84 l g l 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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j = 2722.22

= 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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