ML20127C506

From kanterella
Jump to navigation Jump to search

Forwards SER Re Allowable Bypass Leakage Via Vacuum Breakers Between Drywell & Wetwell Airspace Region in Response to 840529 Request
ML20127C506
Person / Time
Site: Susquehanna  Talen Energy icon.png
Issue date: 02/22/1985
From: Thompson H
Office of Nuclear Reactor Regulation
To: Starostecki R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20127C509 List:
References
TAC-55093, TAC-55094, NUDOCS 8503010345
Download: ML20127C506 (1)


Text

_ _ _ _ _ _ - - _

l y%

9

  • k UNITEDSTATES

+'

g NUCLEAR REGULATORY COMMISSION

tii,

l WASHINGTON, D C. 20555

~s., *****/

FEB 221985 Docket Nos.: 50-387/388 MEMORANDUM FOR:

R. 'Starostecki, Director Division of Project and Resident Programs, Region I FROM:

Hugh L. Thompson, Jr., Director Division of Licensing Office of Nuclear Reactor Regulation

SUBJECT:

RESPONSE TO RE0 VEST FOR TECHNICAL ASSISTANCE FROM REGION I - SUSQUEHANNA (TACS 55093/55094) TIA 84-45

Reference:

Memorandum for D. Eisenhut from R. Starostecki, "Susquehanna Steam Electric Station, Units 1 A 2, Vacuum Areaker Valve Position Indi-cation," dated May 29, 1984 regulatory position set forth in the Standard Review Plan (SRP) y NRR of the In the referenced memorandum, Region I requested an assessment b 6.2.1.1.C.

This issue relates to the allowable bypass leakage via the vacuum breakers between the drywell and the wetwell air space region. The concern deals with the lack of test accept *ance criteria for the set points of the position indi-cation switches that are mounted on the drywell-to-suppression chamber vacuum breakers.

Provided as the Enclosure to this memorandum is the Safety Evalu-ation provided by NRR.

If you have any additional questions, please contact the project manager M. Campagnone x27235.

0*L

tsL,.

es I

/lughL.

omps

., Director

}OSDivisionofLicensing Office of Nuclear Reactor Regulation

Enclosure:

As stated CONTACT:

M. J. Campagnone X27235 g

w

,