RA-10-077, Secondary Containment Capability Test

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Secondary Containment Capability Test
ML103010171
Person / Time
Site: Oyster Creek
Issue date: 10/20/2010
From: Massaro M
Exelon Nuclear
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
RA-10-077
Download: ML103010171 (2)


Text

Exelkn Oyster Creek Generating Station www.exe]oncorp.com Route 9 South P0 Box 388 Forked River, NJ 08731 Technical Specification 4.5.G October 20, 2010 RA-10-077 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 - 0001 Oyster Creek Nuclear Generating Station Renewed Facility Operating License No. DPR-1 6 NRC Docket No. 50-219

Subject:

Secondary Containment Capability Test The Oyster Creek Nuclear Generating Station Technical Specification 4.5.G.4 requires that the results of the secondary containment capability tests shall be in the subject of a summary technical report. The Attachment to this letter provides the 1 R23 Outage test results, as required. The attached results demonstrated that the secondary containment capability test successfully satisfied the technical specification requirements and prerequisites.

If any further information or assistance is needed, please contact Igor Abelev at 609-971-2306.

Sincerely, Michael J. Massaro Vice President, Oyster Creek Nuclear Generating Station Attachment cc:

Administrator, USNRC Region I USNRC Senior Project Manager, Oyster Creek USNRC Senior Resident Inspector, Oyster Creek

Attachment Summary Technical Report Secondary Containment Capability Test Oyster Creek Nuclear Generating Station Operating Cycle 22; Prior to Refueling Outage 1 R23 Date Performed: October 9, 2010

1.

Wind Speed Test Prerequisite Calm Wind (< 10 mph)

Observed 6.3 and 8.4 mph

2.

Standby Gas Treatment System Flow Rate Test Requirement Recorded

< 4000 cfm 2740 cfm

3.

Reactor Building Differential Pressure Test Requirements Both Railroad Airlock Doors Closed

> - 0.25 inches W. G. vacuum Outer Railroad Airlock Door Open

> - 0.25 inches W. G. vacuum Inner Railroad Airlock Door Open

> - 0.25 inches W. G. vacuum Test Results

- 0.517 inches W. G.

- 0.513 inches W. G.

- 0.46 inches W. G.