ML19209A394

Responds to IE Bulletin 79-15, Deep Draft Pump Deficiencies, Re safety-related Application,Mfg & Overall Dimensions

ML19209A394
Person / Time
Site:	Wolf Creek, Callaway, Sterling
Issue date:	09/10/1979
From:	Petrick N STANDARDIZED NUCLEAR UNIT POWER PLANT SYSTEM
To:	Thornburg H NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
NUDOCS 7910030782
Download: ML19209A394 (2)

Text

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94UPPS Standardized Nuclear Unit Power Plant Sy, tem 5 Choke Cherry Road Rockville, Maryland 20850 (301)869 8010 September 10, 1979 SLNRC 79 13 FILE: 0278.10 SUBJ: IE Bulletin No. 79-15: Deep

' Draft Pump Deficiencies Mr. Harold D. Thornburg Director, Division of Reactor Ccnstruction Inspection United States Nuclear Regulatory Commission Office of Inspection and Enforcement Wassington, D.C. 20555 Docket Nos.: STN 50-482, STN 50-483, STN 50-485, and STN 50 486

Dear Mr. Thornburg:

This letter is submitted in response to the subject IE Bulletin for the SNUPPS Utilities, Kansas Gas and Electric Company, Union Electric Company, and Rochester Gas and Electric Corporation.

The information requested by items 1, 2, and 3 of the subject Bulletin is provided in the attached table. Since the deep draft pumps in the SNUPPS design are still in the manufacturing and testing stages, the startup, operational, and maintenance inforretion requested by items 4, 5, and 6 of the Bulletin is not available.

Very ruly yours, R4-At Nicholas A. Petrick RLS:heg

Enclosure:

Information required by IE Bulletin 79-15.

cc: p. Boyce Grier, Director, Region 1, USNRC.

., 'Mr. James G. Keppler, Director, Region III, USNRC.

Mr. Karl V. Seyfreit, Director, Region IV, USNRC.

108L6 237 8"$ P SEP 131978

i INFORMATION REQUIRED BY IE BULLETIN 79-15 Callaway -

Item Units 1 & 2 Wolf Creek Stt.r i i ng

1. a) Safety related Essential Service Essential Service Essential Service application Water Water Water b)Numberofdeep 2 2 4 draft pumps /

unit 2.a)Nanufacturer Byron-Jackson Pyron-Jackson Byron-Jackson b) Model Vertical Turbine Vertical Turbine Vertical Turbine 37 KXH 2 stage VCT 37 KXH 2 stage VCT 37 XXH 2 stage VCT c) Capacity RatedFlow(gpm) 15,000 15,000 19,000 Rated Head (feet) 328 361 228 d)PlantApplication Provides cooling to Provides cooling to Provides cooling essential plant com- essential plant com- to essential plant ponents following an ponents following an components during accident and/or loss accident and/or loss normal and abnorma' of offsite power. of offsite power. plant conditions.

3. Overall pump dimensions a) Barrel dia. 2'-2" x 30'-10" 2'-2" x 42'-4" 2'-2" x 36'-10" x length b) Suction Bell 3'-6" 3'-6" 3'-6" dia.

c) Overall length 44'-l 3/8" 55'-7 3/8" 50'-l 3/8" including motor d 1086 G