ML17296A802

Final Deficiency Rept Re Comsip,Inc Containment Gas Analysis Sys Pump.Protection for Pump Is Inadequate in Case of Inadvertent Closure of Outlet Valve W/Pump Running.Units Will Be Modified Per Comsip,Inc Instructions

ML17296A802
Person / Time
Site:	Palo Verde
Issue date:	07/09/1980
From:	ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:
Shared Package
ML17296A801	List: ML17296A800 ML17296A802
References
NUDOCS 8007160658
Download: ML17296A802 (6)

Text

FINAL REPORT REPORTABLE DEFICIENCY 50.55(e)

ARIZONA PUBLIC SERVICE COMPANY (APS)

PVNGS UNITS //1, //2 AND 83 I Descri tion of Deficienc A lack of protection exists for the'ontainment gas analysis system pump in the event of an inadvertent closure of the outlet valve with the pump running. Comsip, Incorporated has reported this condition under the requirements of 10CFR21.

See attached letter from Comsip, Incorporated to Bechtel Power Corporation, dated April 24, 1980.

II Anal sis of Safet Im lications This condition is considered reportable since it acknowledges the deficiency described in the 10CPR Part 21 filed by Comsip, Incorporated.

III Corrective Action Units containing the deficiency have been shipped to the PVNGS jobsite. Bechtel has initiated contact with Comsip to obtain the modification kit 'details and modification instructions.

Upon receipt of these data, Bechtel will modify the units at the construction site in accordance with established field change procedures (Design Change Package). See attached letter B/CDI-E-28346, dated June 6, 1980.

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~ ~ CtISTOI'.LINE DIVISION 1418 E, Linden Awnue P.O. Box 152 Linden, N J 07036 CQIBIIpg ((ac. (201) 486.1272 Telex 13 8496 DELPHI SYSTEMS DIVISION 10650 E, Rush Street instrument encl control systems South EI Monte. CA 91733 (213} 442.0882 Telex 67 4768 April 2tt, 1980 Bechtel Power Corporation Gaithersburg, Haryland 20760 Attention: Corporate Oualit y Assurance Hanager Gentlemen:

Pursuant to the recent investigations o lant o t o Com szp, nc. has foun h on a3.nment gas anal s h h 1 l d return lines are closed off while gas system pumps are still xunning.

Since the p lant operat3.ng procedures d th lt' a ese i y th e instruction to od'f valves manua ly system y

operated sam may be clos e d wxth out subse q ue containment gas system.

't p um p ~

ample lane damage p

isolation to the Please d

fin find h

d th f'd enclosed a copy of the

'e modification.

d'n Not d o dCo yo to contact us as soon rov3.de the mOd3.fzcat3.on k3.t to the Ver ' uly yours ug .e Anas asi Customer Service Haanager e phd Systems Division EA/i<p Enclosure

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bcc V 4~ Bingham M. J. Jevell

~ ~ R R Stiens

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V. M. Monson (P)

B/CDI-E- 28346 HOC 116432 June 6, 1980 Comsip, Inc.

Delphi Systems Division 10650 E. Rush Street South El Monte, Ca. 91733 Attention: Eugene hnastesi Service Manager Delphi Systems Division Sub) ect: hri.rona Nuclear Pover Pro)ect Bechtel Job 10402 Field Modification of Comsi p - S ys ten K-III Pile: J.8.06

Reference:

Letter, hpril 24, 1980

Dear Mr. hnastasi,

To make the at the ANPP follovi,'g required modification of addin tthee pump reli,ef bypass ci,rcuit Jobsi.te thee o oving information is requested:

lo h draving or sketch of the valve mounting and location rout ng and clamp/tie dovn requirements ~

2. Bill of Mat erial/Parts Lists for Xi,t vi a d d raving an of relief valve.

Please notify Bechtel Engineering vhen the uodif 1 d d d y for s hi pment ~ These Kits vill tht en be identified vith a Bechtel-assigned Design Ch ange Packa88 e CDCP P ~

) 8 num er s to assist Bechtel Pield Pe ca on ta and associated docunents ~

Is this modification included n th i t e qualification uni. t.~ If not please state your plan for qualifying. Pl ease respond by June 20, 1980.

Very truly yours, BECHTEL PCMER CORPORATION ORIGIHAL SIGHZD. BY R. H. STIEHS Vi C. Bingham Pro]ect Engineering Manager Los Angeles Pover Division VGB: JLH: lrv cc: E. E. Van Brunt, Jr.

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