ML19317F913

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AO-74-14:on 741209,aluminum Ladders & Chair Discovered in Reactor Bldg.Ladders Left Over from Initial Const.Aluminum Matls Removed on 741210
ML19317F913
Person / Time
Site: Rancho Seco
Issue date: 01/09/1975
From: Colombo R
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML19317F820 List:
References
NUDOCS 8002210634
Download: ML19317F913 (1)


Text

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UCENSEE EVENT REPORT CONTROL DLOCK:l l

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l (PLEASE PRINT ALL REQUIRED INFORMATION) 1 G

AME LCENSE NUMBEA E

TV l C l Al Rl Sl Sl1 l.l 0 l 0 l-l 0l 0l0 l 0 l 0 l-l 0l 0l l4l1 l1l1l1l l0l1l 1

7 89 14 15 25 26 30 31 32 CATECORY T

DOCKET NUMBER EVENT DATE REPOAT DATE h CON'T l M l I l lL l lL l l 0 l 5 l 0l-l 0l 3l 1l 2 l' l 1 l 2 l 0l 9 l 7l4 l l 0 l 1 l 0 l 9 l 7 l 51 7 8 57 58 59 60 61 68 69 74 75 80 EVENT DESCRIPTION EE I The Final Safety Analysis Report, Section 14-C, limits the quantity of aluminum in l

7 89 80.:5 M l the Reactor Building to 500 lbs. This amount of aluminum was used in the calculationsp 7 89 80 EE l for oost LOCA hydronen generacion due to radiolytic reaction with NaOH. The building l 7 89 80.

b l nnr-n11v conenine 4M lbs. of exposed aluminum. One 24 ft. aluminum ladder was l-7 89l discovered in the building on December-7,1974, and another ladder and an aluminum

  • 80 M

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E CC E COMPONENT COOE SUPPL R MA FACT A

VOLATION g lZlZl lFl l ZlZ lZ lZl Zl Zl lZ l jZ l9 l9 l9 l lNl 7 89 10 11 12 17 43 44 47 48

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CAUSE DESCRIPTION bese inaterials were lef t over from initial construction. The original dis'covery l1 OS 7 89 80-

@ l12/7/74 of the 36 lb. ladder put the R.B. aluminum at 476 lbs. The discoveries l,

7 89 eDi

/ '] l1/7/75 put the quantity over the 500 lb. limit prior to 12/7/74.

lj L/ 8 r wi, uor.ou u STATUS

% POWEA OTHER STATUS 0:3COVERY DISCOVERY DESCAJPTCN (JJ l0 l 7l 0l lN/A l W l N/A l

1 7 8 9

10 12 13 44 45 46 80 ACTMTV CONT 2NT

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4 RELEASES OF AELEASE l _

l l N/A l

AMOUNT OF ACTMTY LOCATCN OF AELEASE l Zl W

N/A 7 8 9

10 11 44 45 I

80 PERSONNEL EXPOSURES NUMEER TYPE DESCArPTON 1

l0l0l0l Wl N/A l,

7 89 11 12 13 60 ;

PERSONNEL INJURIES NUMBEA DESCA.PTCN H 10 l 01 01 1 N/A l

7 89 11 12 60 OFFSITE CONSEQUENCES

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M l N/A l-7 89 gg ?

LOSS OR OAMAGE TO FACluTY

'd TYPE DESCAiATC$

[Zj l N/A l

1 7 89 10 60 PUBUCITY

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1 l Sacramento Union and Sacramento Bee were notified 8 0 0 2 *910 6 3 u

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2

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7 89 60 I I

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AOOITIONAL FACTORS

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  • chair were reported January 7,1975. The original ladder was removed 12/10/74 and l-7 89 80 the second ladder and chair were removed 1/7/75.

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7 89 eo ~

R. W. Colomb (916) 452-3211

HAME

PHONE:

GPC 443 867