ML18017A654

Responds to IE Bulletin 79-15, Deep Draft Pump Deficiencies. Two Model 30 Vsn Hayward Tyler Pumps,Capacity 21,500 G/Minutes at 190-ft Discharge Head,To Be Used at Each Unit (Total Eight Pumps) for Emergency Svc Water Sys

ML18017A654
Person / Time
Site:	Harris
Issue date:	09/10/1979
From:	Mcduffie M CAROLINA POWER & LIGHT CO.
To:	Thornburg H NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
NUDOCS 7910050351
Download: ML18017A654 (2)

Text

FORM 21-50M Carolina Power & Light Company Raleigh, N. C. 27602 September 10, 1979 Mr. Harold D. Thornburg, Director Division of Reactor Construction Inspection United States Nuclear Regulatory Commission Office of Inspection and Enforcement Washington, D.C.

20555 SHEARON HARRIS NUCLEAR POWER PLANT UNIT NOS 1, 2, 3 AND 4~

DOCKET'OS ~ 50-400, 50-401, 50-402 AND 50-403 IE BULLETIN 79-15 Cfi JW ~

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Dear Mr.'hornburg:

In response to IE Bulletin 79-15, Carolina Power

& Light Company (CP&L) has investigated the use at the Shearon Harris Nuclear Power Plant (SHNPP) of deep draft pumps similar to those described in the bulletin.

Our investigation indicates the only similar pumps that will be installed for safety related application in SHNPP are the Emergency Service Water Pumps.

The following information on these pumps is provided in accordance with the Bulletin:

Item I:

Item 2:

Two pumps per unit (total 8 pumps) will be used.

Pump Identification and Application a)

Manufacturer -

Hayward Tyler b)

Model No.

30 VSN c)

Capacity -

21,500 GPM at 190 feet discharge head.

d)

Application Emergency Service Water System Item 3:

Overall Dimensions a)

Height 73 feet 0.5 inches from the rotor mounting flange to the suction bell.

b)

Diameter -

3 feet 4.8 inches at the suction bell.

g oy005D5 5'I

Mr. Harold D. Thornburg

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Items 4, 5 and 6 of the bulletin are not applicable as the pumps are not yet on site.

CP&L intends no further response to this bulletin.

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Yours very truly,

~amwac smNED W.

N.~ McDUFELE M. A. McDuffie Senior Vice President Engineering

& Construction MAM/)cb

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Mr. James P. O'Reilly, Director Region II United States Nuclear Regulatory Commission 101 Merietta Street, N.M.

Atlanta, Georgia 30303