ML063190219

2006/11/06-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

, AmerGen.AmerGen Energy Company www.exeloncorp.com 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 1 R21 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 1 R21 Date Performed:

October 8, 2006 1. Wind Speed Test Prerequisite

"... calm wind ..." Observed 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 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 0.362 inches W. G.0.357 inches W. G.0.289 inches W. G.