ML20094B657

Requests Authorization to Complete Proposed Listed Soils Shutdown Activities.Updates of Stop Work Activities Will Be Provided to Region III

ML20094B657
Person / Time
Site:	Midland
Issue date:	07/26/1984
From:	Mooney J CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	Harrison J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20094B642	List: ML20094B657
References
CSC-7997, OL, NUDOCS 8408070180
Download: ML20094B657 (4)

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@ Consumers Power 2 4 = nov Executive Asanager l

t Atidiand escject office General Officos: 1946 West Pernall Road, Jackson, MI 49201 . (517) 788-0774 July 26, 1984 Rif I p

Mr John J Harrison, Chief hdb sC

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gt Midland Project Section Gb 01 U S Nuclear Reguistory Commisaion EIC R

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Region III 799 Roosevelt Road

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Glen Ellyn,-IL 60137 MIDLAND ENERGY CENTER MIDLAND DOCKET NOS 50-329, 50-330 REMEDIAL S0ILS WORK SUSPENSION

-FILE 0485.16 SERIAL CSC-7997 The.following list of work activities has been compiled representing necessary tasks.to halt the remedial soils work in progress and leave the work in a safe layup condition. -This list has been discussed with Region III personnel and updates of these stop work activities will be provided to the Region on a reguler basis.

1. All jacks will be locked off, jackstand vedges will be driven tight, and wedges will be checked periodically. The jacks will be left in the jackstand.

2. Auxiliary Building excavations will be secured in the following manner:

a. The drift in progress to CT 5/8 will be filled with lean flyash grout.

-b. The finger drif ts in progress to E/W3 s:ill be filled with lean flyash

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c. .T he pier excavation for W17 and drift expansion for E17 will be filled with lean flyash grout, n

d. The slopes of the Y3/Z3 excavation will be stabilized with soil stabilization grout.

e. The sides of the long drif ts on Kc line will be injected with soil stabilization grout.

f. The sides of the E/W8, E/WS grillage. drifts, as well as E/W5 drop pit will be injected with soil stabilization grout.

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(s ,.C ih cy g) All backpackin'g vill be given a final check prior"t Econtractor 4

s ' demobilization.

L3IfThe horizontal drains in the Auxiliary Building Control Tower area will

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- Ebe prepared for pumping capability and BB2 will be prepared for use as an

. observation well.

'4..;;The cooling pond will be drained.

15. The"freezewall'will be deactivated, after the pond draining commences,

and headers and plant will be-removed. 1 Rue freeze elements will be

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. flushed and' capped.:

16. - The temporary dewatering system will be deactivated and plant, pumps, and

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' headers removed. Casings will be lef t ungrouted and capped. The perma-nent wells will lue activated to provide dewatering capability as needed

-during the pond water level lowering.

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7. - For the Auxiliary Building, CPCo will take over building instrumentation monitoring.from Wiss, Janney, Elstner. The monitoring requirements during shutdown are.being included in a s--cification.

8. ,For the~ Auxiliary Building, a technical assistance contract will be written between Mergentime and CPCo to perf Im maintenance jacking as c

required. A specification giving the criteria for rejacking is being prepared.'

^9. The east'and west access shaft inverts will be capped with a concrete

. mudmat at approximately el. 591'6". Sumps vill be constructed to remove water collection. Also, curbs will be provided to prevent water collec-tion in'the E/W16 drop pits. .(Sump _ pumps will be installed at this time.)

10. Security. fences will be provided around the east and west access shafts.

11.,:The Service Water Pump System (SWPS) access shaft will be filled with

.flyash grout.-

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All open excavations in the yard will be filled and designated as tempor-ary fill areas..

Some of the. listed' activities have been accomplished, per discussions between

> R. Wieland of. CPCo and Dr. R. Landsman of NRC Region III following the project shutdown.' We request NRC authorization to complete the soils shutdown activi-

. ties-as herein stated.

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-r ..4 3 CC Administrator, Region III

. DSHood, NRR Project Manager, Washington

l. - Midland Project Manager, Region III

- Midland Resident Inspector, Midland 4 .

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CONSUMERS POWER COMPANY Midland Units 1 and 2 Docket No 50-329, 50-330 g tter Serial CSC-7997 Dated July 26, 1984

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' At the request of the Commission and pursuant to the Atv.aic Energy Act of 1954, and the-Energy Reorganization Act of 1974, as amended and the Commis-sion's' Rules and Regulations thereunder, Consumers Power Company submits Remedial Soils Work Suspension Authorization.

CONSUMERS POWER COMPANY f

By - MODW - i 4'j Jam s M Mooney,

V Executive Manager SwornandsubscribedbeforemethisId dayofh>ds,/98/.

Notary Public FV Bay County, Michigan My Commission Expires 3- /-[h T

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