ENS 42247

v t e ENS Event
17:30 Jan 9, 2006
Title	Failure of Shutter to Close on Fixed Density Gauge Used to Measure Steel Thickness
Event Description	At 1130 hours0.0131 days <br />0.314 hours <br />0.00187 weeks <br />4.29965e-4 months <br /> on 01/09, the air cylinder on a gate operating the shutter for a fixed gauge failed to close. The gauge, a SenTek device, model not identified, is generally licensed and contains a 1000 mCi Am-241 source. The device was removed from service and heavy steel plate was positioned to shield the source. Additionally, the affected area was isolated and posted. No unmonitored personnel exposures occurred. A SenTek technician arrived onsite and corrected the malfunctioning shutter as of 0900 hours0.0104 days <br />0.25 hours <br />0.00149 weeks <br />3.4245e-4 months <br /> 01/10/06. * * UPDATE 1340 EST ON 1/11/06 FROM STEVE CUSTER TO S. SANDIN * * * Further investigation determined that the fixed gauge is a model THAM2 manufactured by ABB AccuRay. The initial report is required per 10 CFR 30.50(b)(2). AK Steel will be submitting a followup written report within 30 days. Notified R3DO(O'Brien) and NMSS (Morell).

ENS 42247 +/-
Where
Ak Steel Corporation Rockport, Indiana (NRC Region 3)
Organization:	Ak Steel Corporation
Reporting

10 CFR 30.50(b)(2), Licensed Material Protection Equipment Failure
Time - Person (Reporting Time:+23.75 h0.99 days <br />0.141 weeks <br />0.0325 months <br />)
Opened:	Steve Custer 17:15 Jan 10, 2006
NRC Officer:	Steve Sandin
Last Updated:	Jan 11, 2006
42247 - NRC Website
v • d • e

v t e Emergency Notification System
Ak Steel Corporation with 10 CFR 30.50(b)(2)
WEEKMONTHYEAR2006-01-09T17:30:00 [Table view]
[ENS list for Ak Steel Corporation]

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