ML063190219

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Oyster Creek Generating Station, Secondary Containment Capability Test from 1R21 Outage Test
ML063190219
Person / Time
Site: Oyster Creek
Issue date: 11/06/2006
From: Rausch T
AmerGen Energy Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
%dam200701 2130-06-20417
Download: ML063190219 (2)


Text

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AmerGen Energy Company www.exeloncorp.com AmerGen. An Exelon Company Oyster Creek US Route 9 South, P.O. Box 388 Forked River, NJ 08731-0388 November 6, 2006 Technical Specification 4.5.G 2130-06-20417 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 - 0001 Oyster Creek Generating Station Facility Operating License No. DPR-16 NRC Docket No. 50-219

Subject:

Secondary Containment Capability Test The Oyster Creek 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. Attachment I to this letter provides the 1R21 Outage test results, as required.

If any further information or assistance is needed, please contact Kathy Barnes at 609-971-4970.

Sincerely, othy S. Rausch Vice President, Oyster Creek Generating Station Attachment cc: S. J. Collins, Administrator, USNRC Region I G. E. Miller, USNRC Senior Project Manager, Oyster Creek M. Ferdas, USNRC Senior Resident Inspector, Oyster Creek File No. 06005 C)ooI

Attachment I Summary Technical report Secondary Containment Capability Test Oyster Creek Generating Station Operating Cycle 20; Prior to Refueling Outage 1R21 Date Performed: October 8, 2006

1. Wind Speed Test Prerequisite Observed

"... calm wind ... " 2.7 mph in 259.6 direction 2.6 mph in 260.4 direction

2. Standby Gas Treatment System Flow Rate Test Requirement Recorded

< 4000 cfm 2485 cfm (recorded) 2429.98 cfm (corrected) 2495 cfm (at end of test)

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

> - 0.25 inches W. G. vacuum 0.362 inches W. G.

Outer Railroad Airlock Door Open

> - 0.25 inches W. G. vacuum 0.357 inches W. G.

Inner Railroad Airlock Door Open

> - 0.25 inches W. G. vacuum 0.289 inches W. G.