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If only there was a whole industry dedicated to installing impact protection solutions for bridges in shipping channels…. Oh wait, there is.
BLOODY HELL!!!
- Thread starter Mottie
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Bearing in mind I still know nothing about ships! There have been a couple of mentions on this thread about a "channel". I'm guessing this is what they use a dredger for? Could they have avoided this disaster by dredging in such a way that the ship would have run aground if it had strayed too near to the bridge?
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More the other way around. Bridge designers tend to install the supports in the shallower water. But in this case that would not have been possible.
Why? I know nothing about this!
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It’s a wide channel. If you go to navionics and look at the chart viewer. You can see the span and depth. You will also see the overhead power/comms cables are protected. A few dolphin piles strategically placed would have done the job. We aren’t talking millions.
Meanwhile, back in Congress, whilst Republicans vote against infrastructure spending, people are dying. Thank the Lord, they are not all as stupid as Trump and his idiot horn-smokers.
God Bless the RWR.
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Hindsight is a wonderful thing
The incident is raising questions about how much money American taxpayers are willing to spend to protect against these rare but deadly catastrophes. And not everyone agrees the Key Bridge could have been saved.
“There's a lot of debate taking place among the engineering community about whether any of those features could have had any role in a situation like this,” U.S. Transportation Secretary Pete Buttigieg said Wednesday at a White House briefing.
I will take his experience and advice above yours if you don't mind.
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Someone thought it was worth protecting the overhead cables. I guess they didn’t listen to the “experts”.
In what way? Were they in danger of impact from a large boat?
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You are aware they were they are not as old as the bridge and meet newer requirements, mb
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Key Crossing: Maximizing Reliability, Minimizing Impacts
<p>BGE continuously monitors its equipment in order to continue safe and reliable service for our customers. As infrastructure ages, we repair or replace impacted equipment… even when it runs under a major waterway.</p>
www.bgenow.com
Can you narrow it down for me please? In what way did they protect the overhead cables?Key Crossing: Maximizing Reliability, Minimizing Impacts
<p>BGE continuously monitors its equipment in order to continue safe and reliable service for our customers. As infrastructure ages, we repair or replace impacted equipment… even when it runs under a major waterway.</p>
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The overhead option is still a complex project, as the Patapsco River is approximately 2 miles wide where the overhead lines will be placed. BGE will construct eight total transmission towers; five of them will be placed in the Patapsco River and equipped with collision-protection structures.
So they are visually less easy to distinguish at the water line? Whereas the bridge supports are supposedly easier to define in most scenarios (fog, poor weather, poor light etc).
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No none of that is a problem for ships.
The towers in the deep channel are protected with collision prevention “fenders”. Think retaining concrete walls around the towers with bumpers attached.
Ships and boats have been dealing with night time / poor visibility for years.
1. Everything is on a chart
2. The towers / banks will have a navigation aids / light sequence (also on the chart). For example these have a light that has a sequence of 4 quick white flashes.
3. Everyone has radar.
The towers in the deep channel are protected with collision prevention “fenders”. Think retaining concrete walls around the towers with bumpers attached.
Ships and boats have been dealing with night time / poor visibility for years.
1. Everything is on a chart
2. The towers / banks will have a navigation aids / light sequence (also on the chart). For example these have a light that has a sequence of 4 quick white flashes.
3. Everyone has radar.
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