ML20101G129

Forwards Table 2, Human Actions Below Top 300 Cutsets & Table 4, Human Action Acronyms Deleted from Model, in Response to NRC Request for Sensitivity Analysis on Human Errors

ML20101G129
Person / Time
Site:	05200001
Issue date:	06/03/1992
From:	Frederick L GENERAL ELECTRIC CO.
To:	Duncan J NRC
References
NUDOCS 9206250301
Download: ML20101G129 (3)

Text

_

O June 3, 1992 J.D.

Duncan M/C 754 In the response to the NRC request for'a sensitivity analysis on human errors in the ABWR PRA transmitted to you on June 1, there'are two errors.

Please make corrections as shown on the following markups.

Thanks, and sorry about that.

)

d

,.J-a L'.'G. Frederick-M/C 489 cc: J.N.

Fox C.L. Larson R.P.

Raftery M.A. Ross yh 4JUUed-n n -c e

I

{-

9206250301 920603 PDR ADOCK 05200001 i

A PDR

1:

i f

.,4 o

+

(2.0% of CDFL b

- Iluman Actions Below the_ Ton 300 Cutsets 7

_IMPORTANCE___

Table 2 j.

ASSIGNED PROBu_

E.F.

F.V.

R. A.W _

DESCRIPTION

(%)

i NAME SE-5 10 0.14 28.2 C

of flow xmtrs FT008A,B &

~

l Miscal.

CALH002A 0.10 5

0.06 1.01-j Oper.. fails'to manually initiate (Backup for RIIR core' flood A/B/C)

RHRCFER t

0.01 5

0.05 1.05 l

Valve E22-F005C mispositioned (NOFC) l f

IICMAER1 0.01 5

0.04 1.00 4

fails to manually open valve i.

2E-3 5

0.01 1.06 I

'ROERROR3 Oper.

' Failure of ADS manual init. (backup)

I 0.10 5

<.01 1.00 ADSMAN Oper., fails to initiate within 30 min.

~

i I,

e f'

ROOIOPIIL.

(Backup for RCIC) 0.01 15

<.01 1.00 Failure to-restore normal heat. removal

- l l

0.10 5

<.01 1.00 l

NilR j.

~ Failure to actuate RWCU~

0.01 5

<.01 1.00 l

RWCU

~ Operator fails.to reset trip circuit RSTTCOPF (RCIC internal trips)-

~

2E-5 10

<.01 1.07 Baron concentration saspling failure

-*-ftAD.I O 10

<.01-1.00 y 2E-3 5

<.01 1.00 f

SLC000SA Operator fails to initiate.SLC Operator-fails to initiate SLC tank heater j_

-b SLC00111E -

j.

- SLC00211E 0.01-5 l

fails tolperform indicated action i

i WOPERR Oper.

};

=(Backup to RBCW initiation) 0.01 5

j fails.to' transfer from CST to SP i-

' IIUEROR5 Oper.

f 1E-3 5

Operator. fails to start pump f

f

.VOPERRF initiation 0.10 5

Opefator fails to backup N2 j

Below the.cutset cutoff level (E-13) h ASECSNA lj.

Table 4 - liuman Action Acronyms Deleted from the Model i

NAME DESCRIPTION PA Operator fails to inhibit ADS with an ATWS (ADS inhibit now automatic)

ROERROR7 Valve F059 inadvertently left open (Renamed ROERRORS)

IIBMAER3 Manual valve F0168 inadvertently left open (Renamed !!BMAER2) p IICMAERJ Manual valve F016C inadvertently left open (Renamed IICHAER2) liFL301CF Miscalibration of flow transmitter (Renamed IIFE008CF)

IIOOCOPliL Operator fails to attempt manual initiation within 30 min. (Renamed IIOOBOPIIL)

IIPR305CF Miscalibration of pressure transmitter (Renamed IIPR007CF) o.f f e-y I

fp A C001AMOP Failure to manually initiate w4thi-n 30 min. (Renamed RIIRQ1rER)

C AOPINilB Operator improperly inhibits ADS (ifEP deleted - error of commission) l AHPT303B Miscalibration of pressure transmitters (Renamed AllPT006)

I

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