ML19254D906

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Fourth Interim Deficiency Rept Re Impact Testing of Main Feedwater Pipe.Reportable Condition of Pipe Uncertain.Final Rept Scheduled for 791119
ML19254D906
Person / Time
Site: Midland
Issue date: 10/22/1979
From:
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:
Shared Package
ML19254D902 List:
References
MCAR-29, NUDOCS 7910300306
Download: ML19254D906 (1)


Text

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Bechtel Associates f'rofessionalCorporation Attachment 1 Hove-275-79

SUBJECT:

MCAR 29 (issued 8/31/79) ~

Impact Testin;; of Main Fecdwater Pipe INTERIM REPORT 4 DATE: October 22, 1979 PROJECT: Consumers Power Company Midland Plant Units 1 6 2 Bechtel Job 7220 .

Status of Corrective Action and Investigation -

The s atus of actions in progress for resolution of the subject MCAR is as. fol2ows.

, , , 1) Bechtel has rcccived confirmation from Crinnell that spool 1-ELB-25-638-13-2, Register Number MP-4-11, is being purchased and refabri-

_',_ ccted from ASME SA 333, Grade 6 material as previously stated in Interin Report 3.

2) Grinnell has expericaced equipment calibracion problems and has subcontracted the impact retesting of heat L-20479 at 70F. The subcontractor has also experienced delays in completing the required impact retesting. Grinnell, upon successful completion of the retesting, will submit an SDDR as stated in Interim Rep (st 3.

Because of the pending disposition of heat L-20479, the reportable condition of pipe remains uncertain at this time.

Forcast Data for Investigation and Corrective Action The final report is scheduled for Novc=ber 19, 1979.

Submitted by: '

I' s. _,

, [ u.2 o v" Approved by: *

. . T/d,. frq Concurrence by: 'd[ {_d __

4 FMM/j s '

10/13/1

}27 9 %C7 <

7910300

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