ML19270J015

From kanterella
Jump to navigation Jump to search
Forwards Task Action Plan A-30, Adequacy of Safety-Related DC Power Supplies. Requests Calculation of Limiting Time Available for Intervening Actions to Prevent Significant Core Damage.W/O Encl
ML19270J015
Person / Time
Issue date: 04/04/1978
From: Tedesco R
Office of Nuclear Reactor Regulation
To: Fuller E
GENERAL ELECTRIC CO.
References
REF-GTECI-A-30, REF-GTECI-EL, TASK-A-30, TASK-OR NUDOCS 8001140163
Download: ML19270J015 (1)


Text

I~

f~}

ff[

i' DISTRIBUTION:

CENTRAL FILE f

y>-

NRR READING s

PS READING PSB READING RFITZPATRICK READING General Electric 4N ATTN: Ed Fuller pFR 135 Curtner Avenue San Jose, California 95125 Gentlemen:

HRC PROGRAM FOR THE RESOLtTTION OF GENER TO NUCLEAR POWER PLANTS - CATEGORT A TASK N

SUBJECT:

"ADEQUADY OF SAFETY RELATED DC POWEh SUPPLIE The Nuclear Regulatory Comission's Program for the Resolution o Issues Related to Huclear Power Plants includes task actions plans fo (1) the resolution of " Unresolved Safety Issues", (2) the resoluti environmental issues, (3) the development of lirprovements in the rea licensing process, and (4) consideration of less conservative design criteria or operating limitations in areas where over conservatisns may be unnecessarily restrictive or costly.

The purpose of Category A Task Action Plan Ho. 30 (Enclosure 1) i evaluate the effects and probability of a total loss of electrical pcmr.

Subtask No. 3 of the plan deals with obtaining trip at time zero) to prevent significant core damage.

We request that you provide a calculation of the limiting tiac avail and certain supportive analysis data for each class of This for the calculation and the required infomation to be documented.I of 1000 W th.

28,'1978.

infomation is needed by Aprilas to when the information can be provided.

please advist Questions concerning this request shoulit be addressed to He can be reached on 301-492-7276.

of cty staff, the Task Manager.

BCC: R. Mattson F. Rosa Sincerely.

B. Sheron (w/ encl 2) V. Stello R. Fitzpatrick R. Tedesco D. Ross S. Rhow Robert L. Tedesco. Assistant Director Z. Rosztoczy B. Siegel for Plant Systems L. Phillips W. LeFave Division of Systems Safety D. Eisenhut

Enclosures:

DSS:/1,6 2((o:2hcm 6

'As stated 3\\;5OOV &g.

j DSS S

DSS:PSB DSS:PSBgg, RFitzpatric usl FRosa rte s o

.._.3/ 22/78

_3R7.78

.f/J/78 ow,

  • 8 00114 o,h 97u,,.,,,w,,,,,,,,,,,,,,,,e,,,,,_,u,,

- - - - -......, n u n un