Francis Scott Key Bridge Collapses in Baltimore

[Alamo]

MV Dali gets refloated tomorrow if all goes to schedule.

 

[Alamo]

Most of main channel now open to normal depth, 400’W x 50’. Normal width is 700’.

 

[HoughMade]

Most of main channel now open to normal depth, 400’W x 50’. Normal width is 700’.

Goes to show that when we need it, things can happen fast....but I'm guess everyone is making golden time.

 

[Alamo]

‘Splodey stuff.

Contractor CDI who cut away the bridge using ‘splosives documented it with fixed and drone cameras.

 

[Alamo]

I missed this.

The Federal (main) Channel was opened to its original dimensions of 700’ wide by 50’ deep on 10 June. It’s back to its original two-way traffic flow.

They will still be picking up smaller pieces of the bridge from the bottom, but they are below the 50 foot depth.

UPDATE 36: U.S. Army Corps of Engineers announces full restoration of Baltimore's Fort McHenry Federal Channel

Monday, June 10, 2024 BALTIMORE – As part of the Unified Command response to the collapse of the Francis Scott Key Bridge, the U.S. Army Corps of Engineers and U.S. Navy Supervisor of Salvage and Diving today restored the Fort McHenry Federal Channel to its original operational dimensions of...

www.keybridgeresponse2024.com

 

[Alamo]

MV Dali has left Baltimore to go to Norfolk for temporary repairs. It was towed part way by tugs, then made way under its own power. Still has some bridge wreckage on its deck. Then it will go somewhere else for permanent repairs.

 

[Alamo]

NTSB update:

This information is preliminary and subject to change.

Investigative Update Release Date 24 June 2024

The information in this investigative update is preliminary and will be supplemented or corrected during the course of the investigation.

This report provides an update to the NTSB’s preliminary report issued on May 14, 2024, concerning the March 26, 2024, contact of the containership Dali with the Francis Scott Key Bridge in Baltimore, Maryland, and the subsequent collapse of the Key Bridge. Investigative activities have continued since the preliminary report was issued.

NTSB investigators have completed in-person interviews of the vessel’s crew. Onboard examination of engineering systems and testing of electrical systems has been completed. Documentation of the damage to the vessel structure is ongoing.

During the accident voyage, electrical breakers HR1 and LR1 unexpectedly opened when the vessel was three ship lengths from the Key Bridge, causing the first blackout (loss of electrical power) to all shipboard lighting and most equipment. While examining and testing the vessel’s electrical power distribution system and control circuitry, NTSB investigators (in coordination with vessel crew and parties to the investigation) noted an interruption in the control circuit for HR1’s undervoltage release.[1]

Exemplar terminal block identical to model removed from ship. (Source: WAGO)



NTSB investigators subsequently removed an electrical component (a terminal block; see figure) from the control circuit for HR1’s undervoltage release.[2] Two portions of control wiring associated with the terminal block were also removed. We continue to examine the removed components at the NTSB Materials Laboratory. We will continue to evaluate the design and operation of the vessel’s electrical power distribution system, and investigate all aspects of the accident to determine the probable cause and identify potential safety recommendations.

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[1] An undervoltage release is a device that opens a breaker when voltage falls below predetermined thresholds.
[2] A terminal block is an insulated block that connects two or more wires together.

DCA24MM031.aspx

www.ntsb.gov

 

[Alamo]

Vid updated with comment that says the ship has been completely unloaded.

 

[Alamo]

Loose Cable Found During NTSB Dali Investigation Could Cause Blackouts

Without comment, the NTSB posted a 41-page document summarizing the findings of the Engineering Group formed to inspect the systems aboard the contai...

maritime-executive.com

https://data.ntsb.gov/Docket/Document/docBLOB?ID=17630891&FileExtension=pdf&FileName=Dali%20Shipboard%20Machinery%20Examination%20and%20Record%20of%20Electrical%20Testing-Rel.pdf

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US Files $103M Claim Saying Dali was “Unseaworthy” and “Jury-Rigged”

The U.S. Department of Justice filed a scathing civil claim in U.S. District Court today September 18 seeking to recover more than $103 million in co...

maritime-executive.com

https://www.justice.gov/opa/media/1369026/dl