RA-14-078, Secondary Containment Capability Test

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Secondary Containment Capability Test
ML14310A664
Person / Time
Site: Oyster Creek
Issue date: 10/24/2014
From: Mckenna M
Exelon Generation Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
RA-14-078
Download: ML14310A664 (2)


Text

ExetonGeneration Technical "S 4.5.G October 24, 2014 RA-14-078 U. S. Nuclear Regulatory Commission Atn: Document Control Desk Washington, DC 20655 - 0001 Oyster Creek Nuclear Generating Station Renewed Facility Operating License No. OPR-16 NRC DgM No. &al2l

Subject:

Secondary Containmen Capability Test The Oyser Creok Nuclear Generating Station TemhnicM Spoecification 4.5.G.4 requires that the results of the secondary containment capability taot shall be in the subject of a summary technioal reprt,.. The Attablmnt to ft letter provides the 1R25 Outage test resubt, a required.&Theattached results deonswtr.ed that the scondary contalinmnt capability tos success om.fisfied fh technical specifcation requkwient and prerequisits.

Ifany futher Informain or assistance Is needed, please contact Igor Alev at 609.971-2306. . -.,.  :- ':,. ,w. ,...

sincerely, /

2(

Michael McKenn-*'

Regulator Assurance Manager, Oyster Creek Nuclear Generating Station

.3 AMachment cc: Administrator, USNRC Region I  ;. o USNRC Sen or#Pr.oJM Manager, Oyster Creek '.'

  • "*USNRC SeiorResident Inspector, Oyster Creek. *"

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Attachment Summary Technical report Secondary Containment Capability Test Oyster Creek Nuclear Generating Station Operating Cycle 23; Prior to Refueling Outage 1R25 Date Performed: September 6, 2014

1. Wind Speed Test Prerequisite Observed

"... calm wind ... " 8.3 mph

2. Standby Gas Treatment System Flow Rate Test Requirement Recorded

< 4000 cfm 2690 cfm

3. Reactor Building Differential Pressure Test Requirements Test Results Both Railroad Airlock Doors Closed

> - 0.25 inches W. G. vacuum -0.352 inches W. G.

Outer Railroad Airlock Door Open

>- 0.25 inches W. G. vacuum -0.337 inches W. G.

Inner Railroad Airlock Door Open

> - 0.25 inches W. G. vacuum -0.318 inches W. G.