Two of several images uploaded today. More suspect welding. An image of the gangway center handrail weld is titled "marsh landing transition ramp.jpg".
Another photo, titled "marsh landing small boat hinge.jpg", one of the smaller gangways.
All of the documents are there now so I'm not sure if I saw things correctly yesterday. It could be that I was just in the Vessel Maintenance folder and in too much of a hurry on a different platform.
Today I find many of the documents removed from the drop box. The only remaining items pertain to vessel maintenance ( MV Annemarie and MV Katie Underwood), which is irrelevant to the dock collapse. Are we to believe the documents have been pulled into a law enforcement investigation?
Cambering the deck pretensions the top chord and likely has minimal effect on the deck weld connections at the bottom chord. It also precompresses the vertical elements. As FacEngrPE (#151) pointed out, the camber is within/close to the elastic limits of the material. Once diagonals are applied...
... and the time stamp disappears so now I don't even know what I talking about. !?!?
Ok. Found it. Page 5, #97, starting with "Some clarification."
If you press and hold the posting number you get a link which you can apply liberaly or conservatively, which ever way you lean. Or you can...
This is why more eyes are better. I hadn't accessed fully absorbed that file yet. I wonder what issues can arise in the cambering process.
As to the truss type, it was my impression that the Howe distributes the top chord compression across the length of the structure compared to the Pratt...
It's not so much that the truss type was different (the Howe truss is actually more suitable than Pratt), it's that an "L" or inverted "T" has limited viability in any circumstance. That two different types were employed in essentially the same project just makes the head scratching more ...
No worries, this new forum does not work as efficiently as the old, at least from my user perspective. It is much more difficult to track long threads and even referencing previous posts takes forever, at least if I want to reference the poster and time of post. Thus when I state I posted...
I outlined the timeline of project progression earlier (Page 5, Wednesday at 5:21 PM). This is a quote and P.O. for the Meridian landing (Phase III), not the failed Marsh landing gangway. The question is whether the documents and overarching agreements pertain specifically to the failed...
Yes, that's who I sent my request to. The response came from K. I. () who owns the box. Perhaps you could send a request directly to her. An additional note was attached, "Please note that various records associated with the law enforcement investigation into the gangway collapse are being...
It wasn't a FOIA. It was a "Hey, can you loop me in on the media DropBox?" request and the next day the invite appeared in my Inbox. As the news report I posted the other day exemplifies, the one with the ghost letter, more eyes are better.
GDNR has been purchasing directly from Crescent for years. The failed gangway may or may not be an anomaly in that it was wrapped up in a larger contract where GDNR became the eventual owner. These are off the shelf (on demand) items which no-one has questioned til now. They were not custom...
Purchasing uploaded 42 files today, various P.O.'s and contracts directly with Crescent. I don't see any shop drawings or engineering calculations and I haven't read through the "contracts" c/w extensions for engineering requirements or warranties though there are insurance req's. Even if GDNR...
The underside welds were likely given to novice. Aside from poor engineering, the manufacturing is very suspect. The underside welds can only be tacks given stock used.
Perhaps an expectation of bouncy docks let all of this fly under the radar.
This is one time I wish I was wrong but it appears the deck planks were merely tacked in place top side. Given the abysmal workmanship on the bottom side, these gangway systems are living on the edge. Even the center handrail is only tacked to the top of the planks. It's difficult to say if...
I guess I see things different than the media.
News4JAX The Local Station - Ramp inspection report of Sapelo Island gangway found no issues 10 months prior to dock collapse
The media did not show the letter or provide any context. Instead their report puffed the state employee report of...
It continues to look as if Crescent has some serious engineering issues. The St. Mary's incident appears to have torn the bull nose stock off the gangway. They also seem to have a one size fits all strategy. That same hinge is adequate for a thirty foot single wide as it is for an eighty foot...
Let's not get ahead of ourselves.
From my earlier posted image of the Meridian gangway, I think I can see a series of tacks where the deck planks are attached to the side extrusion. That doesn't give me a warm fuzzy feeling at all given the poor quality of welding on the underside. I was...
