ML20236N321: Difference between revisions

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=Text=
=Text=
{{#Wiki_filter:- _ _ _ _ - - - - _ . - _ . _ - -
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          ~
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: 1. g   :. '                                  ,
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l .;.                                             J                                               >
J SACRAMENTO MUNICutAL UTILITY DISTRICT O P. O. Box 15830,' Sacramento CA 95852-1830,(916) 452 3'211
SACRAMENTO MUNICutAL UTILITY DISTRICT O P. O. Box 15830,' Sacramento CA 95852-1830,(916) 452 3'211                                           '
'=
'=
AN ELECTRIC SYSTEM SERVING THE HEART OF CALIFORNIA
AN ELECTRIC SYSTEM SERVING THE HEART OF CALIFORNIA j
!                                                                                                                                                              j L' NOV 0 9 1987 DTS 87-105.
L' NOV 0 9 1987 DTS 87-105.
I
I
                    . U. S., Nuclear Regulatory Commission Attn: Frank J. Miraglia, Jr.
. U. S., Nuclear Regulatory Commission Attn: Frank J. Miraglia, Jr.
Associate Director for Projects
Associate Director for Projects
                    -Philips Bldg.
-Philips Bldg.
7920 Norfolk Avenue                                                                                                                         l Bethesda, MD 20014                                                                                                                         )
7920 Norfolk Avenue l
DOCKET 50-312 RANCHO SECO NUCLEAR GENERATING STATION LICENSE NO. DPR-54 TRANSMITTAL OF MISSING PAGES                                                                                                               ;
Bethesda, MD 20014
I
)
DOCKET 50-312 RANCHO SECO NUCLEAR GENERATING STATION LICENSE NO. DPR-54 TRANSMITTAL OF MISSING PAGES I


==Reference:==
==Reference:==
Request for Additional Information, Proposed Amendment No.147,                                                                 i (AGM/NPP 87-348, October 30, 1987)                                                                                                       )
Request for Additional Information, Proposed Amendment No.147, i
                                                                                                                                                                .i Dear Mr. Miraglia.
(AGM/NPP 87-348, October 30, 1987)
It has been discovered that three pages were inadvertently omitted from our transmittal of the referenced letter.                                                                                                       !
)
l Enclosed are the missing pages.                                                                                                             j i
Dear Mr. Miraglia.
We are sorry for any inconvenience this omission may have caused you.                                                                     ]
It has been discovered that three pages were inadvertently omitted from our transmittal of the referenced letter.
1 Please contact me if you have any questions. Members of your staff with                                                                   j questions requiring additional .information or clarification may contact                                                                   1 Mr. Vern Grayhek at (209) 333-2935, extension 4916.                                                                                       I Sincerely,
l Enclosed are the missing pages.
                                      'j Bob Croley                                                                                                                                 j Director of Technical Services                                                                                                             j cc:   G. Kalman, NRC, Bethesda w/atch                                                                                                     )
j i
A. D'Angelo, NRC, Rancho Seco w/atch                                                                                                 !
We are sorry for any inconvenience this omission may have caused you.
J. B. Martin, NRC, Walnut Creek w/atch 8711160113 g71109                                                                                             s\
]
PDR  ADOCK 05%{2 P-RANCHO SECO NUCLEAR GENERATING STATION O 1444o Twin Cities Road, Herald, CA 95638 9799;(209) 333-2935
1 Please contact me if you have any questions. Members of your staff with j
questions requiring additional.information or clarification may contact 1
Mr. Vern Grayhek at (209) 333-2935, extension 4916.
I Sincerely,
'j Bob Croley j
Director of Technical Services j
cc:
G. Kalman, NRC, Bethesda w/atch
)
A. D'Angelo, NRC, Rancho Seco w/atch J. B. Martin, NRC, Walnut Creek w/atch 8711160113 g71109 s\\
ADOCK 05%{2 PDR P-RANCHO SECO NUCLEAR GENERATING STATION O 1444o Twin Cities Road, Herald, CA 95638 9799;(209) 333-2935


                                                                                                      )
)
    ~
~
                                                                                                      ]
]
              ; RESPONSE TO NRC QUESTION QUESTION.                                                                             7 i
; RESPONSE TO NRC QUESTION QUESTION.
ENCLOSURE S - DESCRIPTION OF THE DISTRIBUTION SYSTEM                                   .
7 i
1 Were all the new loads added to the voltage ~ study which was approved in 19837       ,
ENCLOSURE S - DESCRIPTION OF THE DISTRIBUTION SYSTEM 1
Confirm the assumption or submit the new study.
Were all the new loads added to the voltage ~ study which was approved in 19837 Confirm the assumption or submit the new study.
i j
i j


===RESPONSE===
===RESPONSE===
i All the new loads that have been identified have been added to the voltage study. It should be noted that no significant loads were added during this           i outage. New power sources and capacity were added this outage.
i All the new loads that have been identified have been added to the voltage study.
It should be noted that no significant loads were added during this i
outage.
New power sources and capacity were added this outage.
l I
l I
I l
I l
i                                                                                                       ,
i 1
;                                                                                                        1 l                                                                                                       l L______ ._ _ _
l l
L______


j                     .c RESPONSE IL 'liRC QUESTIONS
j
                                                  '0VESTION:
.c RESPONSE IL 'liRC QUESTIONS
                                                  -ECN'A-3748, REY. 5 (1) Page 7' (h) - Reg. Guide 1.9 position' 4, requires f requency restored to within 2% of nominal and voltage witnin 10% of nominal within 60% of each load sequence time interval . Also, there is a requirement for speed excursion and overspeed trip in this position. Confira Rancho Seco design compliance with these requirements.
'0VESTION:
-ECN'A-3748, REY. 5 (1) Page 7' (h) - Reg. Guide 1.9 position' 4, requires f requency restored to within 2% of nominal and voltage witnin 10% of nominal within 60% of each load sequence time interval. Also, there is a requirement for speed excursion and overspeed trip in this position. Confira Rancho Seco design compliance with these requirements.
RESPCNSE:
RESPCNSE:
l                                                       Ine TDI diesel generators were purchased to comply witn R. G.1.9, Rev. 2.
l Ine TDI diesel generators were purchased to comply witn R. G.1.9, Rev. 2.
l                                                     Final. testing in Rancho Seco - Special Test Procedure (STP) No. 961 will determine actual frequency, voltage, and engine speed responses statea in R.
l Final. testing in Rancho Seco - Special Test Procedure (STP) No. 961 will determine actual frequency, voltage, and engine speed responses statea in R.
<                                                    G.1.9, Rev . 2, Section C .4.
G.1.9, Rev. 2, Section C.4.


                                                                                            -l e                             ..
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Latest revision as of 00:49, 3 December 2024

Forwards Three Pages Inadvertently Omitted from Util 871030 Response to NRC Request for Addl Info Re Proposed Amend 147 to License DPR-54
ML20236N321
Person / Time
Site: Rancho Seco
Issue date: 11/09/1987
From: Croley B
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To: Miraglia F
Office of Nuclear Reactor Regulation
References
DTS-87-105, TAC-63030, NUDOCS 8711160113
Download: ML20236N321 (4)
v • d • e


Text

- _ _ _ _ - - - - _. - _. _ - -

~

1. g l.;.

J SACRAMENTO MUNICutAL UTILITY DISTRICT O P. O. Box 15830,' Sacramento CA 95852-1830,(916) 452 3'211

'=

AN ELECTRIC SYSTEM SERVING THE HEART OF CALIFORNIA j

L' NOV 0 9 1987 DTS87-105.

I

. U. S., Nuclear Regulatory Commission Attn: Frank J. Miraglia, Jr.

Associate Director for Projects

-Philips Bldg.

7920 Norfolk Avenue l

Bethesda, MD 20014

)

DOCKET 50-312 RANCHO SECO NUCLEAR GENERATING STATION LICENSE NO. DPR-54 TRANSMITTAL OF MISSING PAGES I

Reference:

Request for Additional Information, Proposed Amendment No.147, i

(AGM/NPP 87-348, October 30, 1987)

)

Dear Mr. Miraglia.

It has been discovered that three pages were inadvertently omitted from our transmittal of the referenced letter.

l Enclosed are the missing pages.

j i

We are sorry for any inconvenience this omission may have caused you.

]

1 Please contact me if you have any questions. Members of your staff with j

questions requiring additional.information or clarification may contact 1

Mr. Vern Grayhek at (209) 333-2935, extension 4916.

I Sincerely,

'j Bob Croley j

Director of Technical Services j

cc:

G. Kalman, NRC, Bethesda w/atch

)

A. D'Angelo, NRC, Rancho Seco w/atch J. B. Martin, NRC, Walnut Creek w/atch 8711160113 g71109 s\\

ADOCK 05%{2 PDR P-RANCHO SECO NUCLEAR GENERATING STATION O 1444o Twin Cities Road, Herald, CA 95638 9799;(209) 333-2935

)

~

]

RESPONSE TO NRC QUESTION QUESTION.

7 i

ENCLOSURE S - DESCRIPTION OF THE DISTRIBUTION SYSTEM 1

Were all the new loads added to the voltage ~ study which was approved in 19837 Confirm the assumption or submit the new study.

i j

RESPONSE

i All the new loads that have been identified have been added to the voltage study.

It should be noted that no significant loads were added during this i

outage.

New power sources and capacity were added this outage.

l I

I l

i 1

l l

L______

j

.c RESPONSE IL 'liRC QUESTIONS

'0VESTION:

-ECN'A-3748, REY. 5 (1) Page 7' (h) - Reg. Guide 1.9 position' 4, requires f requency restored to within 2% of nominal and voltage witnin 10% of nominal within 60% of each load sequence time interval. Also, there is a requirement for speed excursion and overspeed trip in this position. Confira Rancho Seco design compliance with these requirements.

RESPCNSE:

l Ine TDI diesel generators were purchased to comply witn R. G.1.9, Rev. 2.

l Final. testing in Rancho Seco - Special Test Procedure (STP) No. 961 will determine actual frequency, voltage, and engine speed responses statea in R.

G.1.9, Rev. 2, Section C.4.

-l l

e I

(

3A 9A 74 rA O

O O

O i

se 48 na 76 O

O O

O 3c 4c 7c rc O

O O

O i

30 90 70 Po O

O O

O i

1 i

1

1 x

.Hore :

Lerree Deritannes Aooto newe me i

s'atacy PC R SARG OF "r m S' PiS de 5 5/ud k

l i

1 1

1

. _ _,. _. _ _ _ _ _

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