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The following information was provided by The following information was provided by the licensee via email:</br>The plant is in a safe condition. </br>On April 21, 2023, Urenco, USA (UUSA) was staging a construction crane to be used the following week and failed to maintain procedural compliance while implementing IROFS50f and IROFS50g. The crane was properly permitted and placed inside the Controlled Access Area but was not properly permitted for operation. At all times the required spotters for IROFS50f and IROFS50g were in place and the movement of the crane was sufficiently controlled to restrict its movement to not swing into an area where damage could occur. However, visual indicators (reference markers) were not established as required by procedure. Spotters were in place and exercised appropriate control.</br>IROFS50f/g are independent, administrative IROFS that prevent heavy vehicles from damaging equipment that could result in a UF6 release. Both IROFS are required to meet the performance requirement of 10 CFR 70.61. </br>Work has been stopped and the crane has been demobilized. UUSA is conservatively reporting this event under 10 CFR 70 Appendix A (a)(4).</br>The licensee will notify Region 2.</br>* * * UPDATE ON 04/22/2022 AT 1501 EDT FROM JIM RICKMAN TO BILL GOTT* * *</br>This issue has been entered into the corrective actions program as EV 160170.</br>Following a more detailed review, IROFS50g was determined to be operable and adequately implemented. As a result, the appropriate reporting criteria is being changed to 10 CFR 70 Appendix A (b)(2).</br>Notified R2DO (Miller) and NMSS Events Notification (email).</br>* * * UPDATE ON 04/25/2022 AT 1501 EDT FROM JIM RICKMAN TO THOMAS HERRITY * * *</br>2nd Update:</br>The operation of the crane has stopped and it remains south of SBM 1001. </br>Contrary to the initial report, the required spotters were not present and controlling the movement of the boom. As a result, IROFS50f/g have been determined not to be available and reliable. The appropriate reporting criteria is being changed to 10 CFR 70 Appendix A (a)(4).</br>The stop work involving the use of construction vehicles and IROFS50 remains in place. All work performed by site projects has been stopped.</br>The licensee has notified Region 2.</br>Notified R2DO (Miller) and NMSS Events Notification (email).ler) and NMSS Events Notification (email).  
19:45:00, 21 April 2023  +
56,484  +
16:24:00, 21 April 2023  +
19:45:00, 21 April 2023  +
The following information was provided by The following information was provided by the licensee via email:</br>The plant is in a safe condition. </br>On April 21, 2023, Urenco, USA (UUSA) was staging a construction crane to be used the following week and failed to maintain procedural compliance while implementing IROFS50f and IROFS50g. The crane was properly permitted and placed inside the Controlled Access Area but was not properly permitted for operation. At all times the required spotters for IROFS50f and IROFS50g were in place and the movement of the crane was sufficiently controlled to restrict its movement to not swing into an area where damage could occur. However, visual indicators (reference markers) were not established as required by procedure. Spotters were in place and exercised appropriate control.</br>IROFS50f/g are independent, administrative IROFS that prevent heavy vehicles from damaging equipment that could result in a UF6 release. Both IROFS are required to meet the performance requirement of 10 CFR 70.61. </br>Work has been stopped and the crane has been demobilized. UUSA is conservatively reporting this event under 10 CFR 70 Appendix A (a)(4).</br>The licensee will notify Region 2.</br>* * * UPDATE ON 04/22/2022 AT 1501 EDT FROM JIM RICKMAN TO BILL GOTT* * *</br>This issue has been entered into the corrective actions program as EV 160170.</br>Following a more detailed review, IROFS50g was determined to be operable and adequately implemented. As a result, the appropriate reporting criteria is being changed to 10 CFR 70 Appendix A (b)(2).</br>Notified R2DO (Miller) and NMSS Events Notification (email).</br>* * * UPDATE ON 04/25/2022 AT 1501 EDT FROM JIM RICKMAN TO THOMAS HERRITY * * *</br>2nd Update:</br>The operation of the crane has stopped and it remains south of SBM 1001. </br>Contrary to the initial report, the required spotters were not present and controlling the movement of the boom. As a result, IROFS50f/g have been determined not to be available and reliable. The appropriate reporting criteria is being changed to 10 CFR 70 Appendix A (a)(4).</br>The stop work involving the use of construction vehicles and IROFS50 remains in place. All work performed by site projects has been stopped.</br>The licensee has notified Region 2.</br>Notified R2DO (Miller) and NMSS Events Notification (email).ler) and NMSS Events Notification (email).  
Has query"Has query" is a predefined property that represents meta information (in form of a <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Subobject">subobject</a>) about individual queries and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
00:00:00, 25 April 2023  +
SNM-2010  +
Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
11:30:15, 26 April 2023  +
16:24:00, 21 April 2023  +
-0.14 d (-3.35 hours, -0.0199 weeks, -0.00459 months)  +
19:45:00, 21 April 2023  +
Item Relied on for Safety (IROFS) Not Established  +
URL"URL" is a <a href="/Special:Types/URL" title="Special:Types/URL">type</a> and predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> to represent URI/URL values.