National Nuclear Security Administration (NNSA)’s Post

https://lnkd.in/dcxAQ6CT Our prayers are with those who grieve the loss of their loved ones Baltimore Bridge Collapse. As P&I and H&M surveyors and investigators, only after reviewing the available evidences viz. VDR, documentation, past history, PMS, procurement, condition and repair records, work that may have been in progress on board, Master’s SoF, interviewing the staff on board, can we arrive at facts. The visuals from this video of the container vessel Dali, only provides a basis for hypothesis for some of the possible causes and equipment failures, to be proven or disproven, by proper investigation. This video only shows that: The lights went off at 1.20 mins, possibly a blackout, battery powered lights can be seen in the accommodation, (Can you see navigation lights? I can’t), a stand-by DG or emergency DG started at 1.55 mins (plume of smoke) and deck and navigation lights came on at 2.20 mins (1 full minute later), continuous black smoke visible from funnel from 2.30 minutes; vessel moves hard stbd at 3.07 minutes (possibly to turn 180 degrees away from the bridge), blackout again (2nd time) at 3.27 mins; lights on again at 4.00 mins, hard port helm movement visible immediately (possibly to avoid collision with the pillar), 5.31 mins collision with pillar, 5.39 again blackout (3rd time), 5.42 the bridge falls on the deck of the ship. A different video on YouTube, shot from a different angle, shows that the smoke from the funnel stopped a few seconds before impact, (not clear whether the propulsion engine(s) started operating, or was the fuel/manoeuvring lever moved to zero/stop position) when the bridge team gave the helm to hard port, seconds before the collision. *from the linked video, we can only hypothesize that:* 1) Nav lights extinguishing every time the DGs shut down: this indicates a possibility that the back-up navigation batteries were past their renewal date. 2) continuous smoke (black?) from funnel till just a few seconds before collision indicate the possibilities of one or more of these: problem with fuel or fuel pumps / racks; or staff trying to start and run main engine(s) without the aux air blowers; or one or more units misfiring. 3) it appears that Emergency DG did not come on, as rudder steering seems to be available only when the main DGs comes on load… (with emergency DG power, the bridge would have had steering available to take action). Again, this could possibly be because of Emergency DG starter batteries past their prime. 4) did the company’s and ship’s ISM-SMS contingency plan include calling anchor stations immediately in case of engine or propeller failure in coastal or restricted waters, (or when in proximity of rigs / turbine installations) to drop one, or both, anchors and limit the vessels headway towards hazards? If yes, then this is not visible in this video.

📰 Learn how the collapse of the Francis Scott Key Bridge is affecting supply routes nationwide. Our very own Carley Taslov shares insights with ABC 7 News. #BaltimoreKeyBridge #SupplyChainChallenges

📰 Learn how the collapse of the Francis Scott Key Bridge is affecting supply routes nationwide. Our very own Carley Taslov shares insights with ABC 7 News. #BaltimoreKeyBridge #SupplyChainChallenges

📰 Learn how the collapse of the Francis Scott Key Bridge is affecting supply routes nationwide. Our very own Carley Taslov shares insights with ABC 7 News. #BaltimoreKeyBridge #SupplyChainChallenges

📰 Learn how the collapse of the Francis Scott Key Bridge is affecting supply routes nationwide. Our very own Carley Taslov shares insights with ABC 7 News. #BaltimoreKeyBridge #SupplyChainChallenges

#CleaningProfessionals - Dont delay! This is an important standard for you to review and provide your input on before July 15. Wondering why you should care about standards? Check out this article by IICRC’s standards director Mili Mavely Washington: https://lnkd.in/gm8jjBFv

GDOT awards nearly two dozen contracts for transportation projects in the state ATLANTA, GA — The Georgia Department of Transportation has awarded 23 contracts for transportation projects in the state. The projects will include bridge work, resurfacing, and safety improvements. More than $33 million will go towards 11 resurfacing projects. The largest involves more than 9500 miles on SR 20, from south of SR 124 to southwest of Covington street in Gwinnett and Walton counties. Bridge projects in the metro include bridge rehabilitation at various locations in Fulton and Douglas counties. The largest safety project will focus on widening and creating turn lanes on SR 101 in Carroll County. #GDOT #Georgia #transportation

As of Monday, Aug. 19, 2024, a lane closure is in effect for the outside, southbound lane at Cliff Avenue between the Interstate 229 (exit 4) southbound on-ramp and northbound off-ramp. Crews are installing a retaining wall for the I-229 temporary bridge. Weather dependent, the lane will be reopened Friday, Aug. 23, 2024. Motorists should be prepared for delays and use alternate routes during peak travel times through the I-229 and Cliff Avenue construction project. Drivers are urged to use caution and reduce their speed while traveling through the area. Traffic control measures will continue to guide motorists around all closures. This work is part of a larger project that will modify the median crossovers on Cliff Avenue in preparation for an interchange reconstruction project. The anticipated completion date of this preliminary work for the interchange reconstruction project is December 2024. Find additional information about this project on the South Dakota Department of Transportation (SDDOT) website at https://lnkd.in/gSntYMXW. For updates on MAJOR traffic changes, subscribe to a free text-in service. To subscribe, simply text the keyword “I229Exit4” to 605-566-4041. Subscribers can unsubscribe at any time. #SDDOT #SD511

https://lnkd.in/dU3MgN8x For everyone who thinks the Baltimore Bridge collapse is a rare out of this world event. Think again. The below article documents how many Bridge have collapse over the last 30 years. Maybe we should think about building stronger brides or Suspension bridges.

Owners of Texas Towers (VCFEs) face numerous challenges, including unknown fouling characteristics, inaccessibility for traditional cleaning and inspection services, and safety issues resulting from failed cleaning attempts. 💡 Learn more: https://hubs.li/Q02DyfDT0 #Fouling | #IGS