ML20090A500

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Discusses Telcon W/Util Re Diesel Generator Fuel Oil Storage Tanks Elevation Change.Table 3.11-1,Revision 23 Indicates Elevation as 616 Ft.Revision 25 Indicates 622 Ft.Util Indicated Reason for Change Was Reference Point Change
ML20090A500
Person / Time
Site: Midland
Issue date: 12/27/1979
From: Balukjian H
Office of Nuclear Reactor Regulation
To: Hood D
Office of Nuclear Reactor Regulation
Shared Package
ML17198A223 List: ... further results
References
CON-BOX-13, FOIA-84-96 NUDOCS 8001230098
Download: ML20090A500 (1)


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DISTINBUTION:

cCENTRAL FILE PSB READING OE0 2 "' 197S HBALUKJIAN READING

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M B0RANDUM FOR:

Darl Hood, Light Water Reactors Branch 4. DPM FROM:

Harry Balukjian, Power Systems Branch, DSS

. ~. THRU:

Faust Rosa, Chief, Power Systems Branch, DSS -

SUBJECT:

MIDLAND DIESEL GENERATOR FUEL OIL STORAGE TANKS i

A telephone call was made to Jim Zabritski (517-788-0928) of Consumers Power to inquire about the elevation of the Midland D/G fuel oil storage tanks.

Table 3.11-1 lists the elevation of the D/G fuel oil storage as 616 feet in revision 23. However, a new revision, revision 25, lists the elevation as 622 feet. The following questions were asked:

1.

What is the reason for the change in elevation?

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2.

Whem is the referencef point on the storage tank for the elevation?

i 3.

How much settlement was observed as a result of filling the tank?

The answers given were:

1.

The reason for the change was to change the reference point.

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The reference point (see Figure 9.5-32) is now to the middle of the tank. The tank is 12 feet in diameter. The previous elevation (616 feet) was to the bottom of the tank.

By changing to the middle of the tank (6 feet) the new refemnced elevation-is 622 feet.

3.

The settlement that has been observed with the tank filled is 0.1 feet.

Harry Balukjian Power Systems Branch Division of Systems Safety cc:

V. Moore F. Rosa A. Ungam 7

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