ML18142A978

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LER 1976-011-00 for R.E. Ginna, Zero Flow Indicated for Cleanup Filtering Path in Charcoal Filter in Control Room Ventilation System
ML18142A978
Person / Time
Site: Ginna Constellation icon.png
Issue date: 03/19/1976
From: Hartlieb C
Rochester Gas & Electric Corp
To:
NRC/IE, NRC Region 1
References
LER 1976-011-00
Download: ML18142A978 (3)


Text

.LER 76-11/1T i PENSEE EVENT REPORT CONTROL BLOCK: t:PLEABE PRINT ALL REQUIRED IMFORMATION)

LICENSEE LICENSE EVENT NAME LICENSE NUMBER TYPE TYPE QogNYRZG1 0 0 0 0 0 0 0 0 0 4 1 1 1 1 ~01 7 89 14 15 25 26 30 31 32 REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMBER EVENT DATE REPORT DATE Ioa~joooo' T ~L 0 6 0 0 2 4 4 0 3 0 6 7 6 0 3 1' 7 6 7 8 57 58 59 60 61 68 69 ~ 74 75 80 EVENT DESCRIPTION Jog During flow test of control room ventilation system in preparation for charcoal filter 7 8 9 80 QQ3] efficiency test there was zero flow indicated for cleanup filtering path, designed for 7 89 80 t00j4 25% total system flow. 1nvestigation showed filter inlet damper stroked closed when 7 8 9 80 IDOg system was transferred to accident mode operation. Drive piston was remounted to 7 8 9 80 tm obtain correct damper orientation. (Reportable Occurrence ?6-11, 14-day) 7 8 9 PRME 80 SYSTEM CAUSE COMPONENT COMPONENT 7

IoO7I~ss 8 9 10 CODE CODE A

11 12 zssz COMPONENT CODE s z 17 SUPPIXB z

43 44 H

MANUFACTURER 9 9 9 47 48 CAUSE DESCRIPTION t00g Drive piston was improperly mounted during construction. Deficiency. was identified 7 89 80

[pgg] by commercial tester in preoperational testing; follow-up corrective action did not take 7 8 9 80 Qqg place. Periodic surveillance of the Radiation Monitoring (cont'd. on attached sheet) 7 89 FACILITY METHOD OF 80 STATUS POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION f11 II ~00 0 NA

'46 7 8 9 10 12 13 44 45 80 FORM OF ACTIVITY COATENT RELEASEO OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE 1 o z z NA 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES 7 89 11 12 13 80 PERSONNEL INJURIES 7 89 11 12 80 OFFSITE CONSEQUENCES

~15 NA 7 89 80 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION t116I H 7 89 10 80 PUBLICITY 7 8 9 80 ADDITIONAL FACTORS

[ice]

7 89 80 7 89 80 NAME: Charles V. Hartlieb PHDNE. 716/546-2700, Ext. 29 1-216 GPO 881 88T

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Licensee Event- Report Reportable Occurrence 50-244/76'-l l Cause Descri tion (cont'd.)

System and associated automatic actions has included observance of the movement of the drivers for this system; the drivers had always repositioned the dampers to the position which was assumed to be correct. Under the present Q.A. program, modification control provides means of proper acceptance of new plant safety related features.