ML19327C004

LER 89-023-00:on 891006,discovered That All Hydrant Hose Houses Did Not Have Required Fire Hose Lengths to Fulfill Operability Requirements.Caused by Personnel Error & Procedural Deficiency.Operable Status restored.W/891106 Ltr

ML19327C004
Person / Time
Site:	Millstone
Issue date:	11/06/1989
From:	Freeman P, Scace S NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
LER-89-023, LER-89-23, MP-13706, NUDOCS 8911140370
Download: ML19327C004 (4)

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y g ggg Genert.l Offic;s'$elden Street. 9*.rlin C:nnecticut wY fNa$$IeN Yec CE[ ' P.O. box 270 NuI[EmNvOEpany HARTFORD. CONNECTICUT 06414 0270 Nonhout Nacw Energy Company .

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10CFR50.3(a6, November 1989 )(2)(i)

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-U.S. Nuclear Regulatory Commission

- Document Control Desk Washington, D.C. 20555

Reference:

Facility Operating License No. NPF-49 Docket No. 50-423 Licensee Event Report 89-023-00 .

Gentlemen:

This letter forwards Licensee Event Re ort 89-023 required to be submitted within thirty

• (30) days pursuant to 10CFR50.73(a)(.p)(i), any operation or condition prohibited by the plant's Technical Specifications. .

Very truly yours, p, NORTHEAST NUCLEAR ENERGY COMMNY ,

') tw Steph n E. cace Station Superintendent Millstone Nuclear Power Station 1

SES/PF:tp

Attachment:

LER 89-023-00 L , cc: W. T. Russell, Region I Administrator W. J. Raymond, Senior Resident Ins 3ector, Millstone Unit Nos.1, 2 and 3 D. H. Jaffe,.NRC Project Manager, Millstone Unit No. 3  ;

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i' . F ACILITY NAME I13 QQCidi NUMbiEt (t; Em M Millstone Nuclear Power Station Unit 3 oI sI of ol of 4 l2 l3 1lOFl 0l 3 1:TLL tos Inoperable Hydrant Hose Houses Due to Insufficient Fire Hose inventorv 4 EVENT DATE ISI LE A NUMPE A (61 AEPOAT D ATE #71 OTHE A F AC8ttTIE S INVOL VED f el MONTP- DAY YEAR YEAR O == m MONTH DAY YEAR F ACluTY NAMtb ofsielolol l !,

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UCENSEE CONT ACT FOA THis LE A (12 NAMg TELEPHONE NUMBE A AMA COR Peter A. Freeman, Associate Engineer, ext. 5322 2 0l 3,4l 4l 7l-l 1 } 7l 9l.1 COMPLETE ONE UNE FOR E ACH COMAONENT P AILUAE DESCAiBED IN THis AEPOAT f13n CAUSE SYSTEM COMPO*!ENT Mk

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ABSTAA0T (Limit to 1400 spaces. to.. approximateiy fifteen smgie-space typewritten hnes) (16)

On October 6,1989, at approximately 1400 hours0.0162 days <br />0.389 hours <br />0.00231 weeks <br />5.327e-4 months <br />, in Mode 1 at 100cc power, Operat:ons Department (OD) shift personnel discovered that all Unit 3 hydrant hose houses (HHHs) did not have the required fire hose lengths. Shift personnel had remosed fire hoses from 3 of 11 HHHs on October 2, M9 to support a non-fire related emergency. During performance of a hose house flush surveillance on October 6, the

' deficiency was initially identified for the 3 HHHs. Further investigations determined that all HHHs did not have the required hose lengths.

[ Root causes of this event were personnei error and procedural deficiency. OD personnel removed fire hoses on October 2. without taking compensatory action. The Building Services Department "HHH" surveillance performed on October 5. identified the deficiency in the 3 HHHs and incorrectly evaluated the

• inventory in the remaining 8 HHHs. The procedure did not require immediate notification of the Shift Supervisor (SS) upon discrepancy identification.

l - Immediate corrective action was to restore all HHHs to operable status. A memo was issued to all OD shlit personnel prescribing the usage requirements for HHH equipment. Caution signs will be posted on all l .- HHHs by November 30,1989. The applicable surveillance procedure has been revised to require a Senior l Licensed Operator review of procedure revisions and immediate notification of the SS upon discrepancy identification.

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' Milistone Nuclear Power Station U"il 3 ~ ~

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1. Descrintion of Eqnt On October 6,1089 at approximately 1400 hours0.0162 days <br />0.389 hours <br />0.00231 weeks <br />5.327e-4 months <br />, in Mode 1 at 100"c power, Operations l Department shift personnel discovered three of eleven Unit 3 hydrant hose houses had insufficient  !

lengths of 1 '/, inch fire hose (150 feet required) to fulfill hydrant hose house operabihty j requirements. This deficiency was discosered while performing a non-related Technical '

Specification surveillance on Umt 3 hydrant hose houses. Upon further investigation by  ;

e L Operations Department shift personnel, all Unit 3 hydrant hose houses were found to have insufficient lengths of fire hose available to fulfill hydrant hose house operability requirements. On October 6.1989 at approximately 1815 hours0.021 days <br />0.504 hours <br />0.003 weeks <br />6.906075e-4 months <br />, additional lengths of fire hose were installed to fulfill

hydrant hose house . operability requirements.

The unit staff failed to fulfill the requirements of Technical Specification Limiting Condition of f Operation (LCO) 3.7.12.6.a. " Yard Fire Hydrants and Hydrant Hose Houses". The durution of this event was approximately 4 days. .

On October 2,1989 Operations Department shift personnel removed lengths of fire hose from three hydrant hose houses to support a no1-fire related emergency in the Unit 3 Circulating Water Intake structure. Shih personnel fa .ed to supply the three hydrant hose houses with supplemental hre hose to ensure hydrant hose he.ase operabihty.

11. Came of Event The root causes of the event were >oth personnel error end procedural deficiency. Shift personnel removed lengths of hre hose from bree of the eleven Unit 3 hydrant hose houses without supplying

r. supplemental lengths of firc hose to the affected hose houses.

I Building Services Department persor.nel inadequately evaluated the number of lengths of 11/3 inch fire hose in eight of eleven Unit 3 hydrant hose houses. The apphcable Building Services i ' procedure indicated the proper length of fire hose but also referred the user to an unauthonted operator aid located in each hydtt.nt hose house. The unauthorized operator aid indicated the incorrect length of fire hose.

,111. Annh tic of Event i

This event is reportable pursuant to 10CFR50.73 (a)(2)(i), as a condition prohibited by the plants Technical Specification.

Each hydrant hose house is required to have 130 feet of 1 '/g inch fire hose. While only selected hydrant hose houses require 150 feet of 1 1/2 trich fire hose to perform their required function, all hydrant hose houses were inventoried with identical lengths of 1 '/g inch fire hose to ensure commonality of all hydrant hose houses.

Fire suppression for the affected areas consists of the unit fire brigade. With the absence of a portion of the required inventory of hre hoses in the hydrant hose houses tire suppression capabilities become degraded. Fire protection hoses from associated hydrant hose houses which

' were in close proximity were available had a fire occurred in the aflected areas. Therefore, there were no significant safety consequences as a result of this event.

NAc Form 366A (6-8h

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NAC Form 366A V S. NVcLEAR REGJLATORY COMM$bloN APPROVED OMe No. 31te-01CW jo 's 16-89) . E XPiRE S : U30'92 t ' . '

estimat o tourcen w v.. pons to compiy co ** *a 'wim**ini.

. LICENSEE EVENT REPORT (LER) '='.t ' 50 tuo.n 0."'to in,o'new'8 umai F .,

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n.ent, oo,s. uanac, er nen a n,.s3ci. u. s ne.omaiory commiumn.

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IV, Corrective Action immediate corrective action was to restere all hydrant hose houses to operable status and the unauthorir.?d operator aids were removed from cach hose house. This was accomplished by F ensuring all Unit 3 hydrant hose houses were supplied with 150 feet of 1 '/ inch fire hose, As interim corrective action, a memorandum was issued to all Operations Department shift personnel stating that hye: rant hose house equipment shall be used for fire fighting acthities only, unless an emergency condition exists, The memorandum states the Operations Department Shift Supervisc,7 must be notified pnor to removal of fire hoses. As action to prevent recurrence, siens will be posted on each hydrant hose house statmg, "For Fire Brigade Use Only, Notify Shth Supervisor -

When Removing Equipment From This Tech. Spec. Hose House". These signs will be installed by

! November 30, 1989. The applicable Buildmg Services Department surveil:ance has been revised to i require a Senior Licensed Operator review future procedure revisions pnor to being presented to the Site Operations Review Committee (SORC).

V. Addi,ionn! Inintmntion There have been no similar events with the same root causes and sequence of events.

EfLR Code System Comnonems Fire protection (water) - KP Hose Houses Hoses r

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NRC Form 366A (6-69)