Seattle Crane Collapse | IRONWORKERS REMOVED THE PINS?!

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  • Published: 30 April 2019
  • Watercooler discussion of the Seattle Tower Crane that collapsed on Google's new building. It was being dismantled when it collapsed because multiple sections had the pins removed without being supported. Why they removed multiple section pins and why it was not rigged to the support crane remains unanswered.

Comments • 2 755

  • Silverfox0786
    Silverfox0786  4 hours back

    The firdt video of yours that broke my heart. im from UK so didnt know about this incident.watching yur breakdown makes so much sense and is so distressing to know

    • Sextiva
      Sextiva  3 days back

      As an engineer I believe you have hit the causation nail on the head, sadly.

      • domino diamond
        domino diamond  6 days back

        "You or not gonna get fired for doing the right thing"

        Come to my union job.

        • PlasticCog Liquid
          PlasticCog Liquid  1 weeks back

          One of my friends was telling me about this same thing happening in Georgia about 10 or 15 years ago. He was a construction worker on the site and I guess the crane toppled over just like this one and killed some people. How often does this happen I wonder

          • Slugbunny
            Slugbunny  1 weeks back

            Looked this up on a whim today, looks like the case finally got closed this year: https://www.seattletimes.com/seattle-news/findings-of-investigation-into-fatal-april-crane-collapse-to-be-released/. Someone already quoted the Wikipedia article three days ago, looks like.

            • MaQuGo119
              MaQuGo119  1 weeks back

              Any news bout this?

              • phil osophical
                phil osophical  2 weeks back

                Send the pricks who directly caused this, to prison for a few years.

                • Rudy Straight
                  Rudy Straight  2 weeks back

                  Us govt does worse but ur not saying shit

              • Dustin h
                Dustin h  2 weeks back

                Has anyone been charged with a crime for this? Or at least acknolleged guilt for this mistake?

                • Shrop Shire
                  Shrop Shire  2 weeks back

                  Horrible accident. Solid analysis.

                  • Dave Kay
                    Dave Kay  2 weeks back

                    Hey AVE, https://www.stuff.co.nz/auckland/116800509/skycity-convention-centre-fire-environmentally-friendly-roof-will-be-fully-consumed-by-blaze-engineer-says - whats your take on using bomb-fire materials for a public building roof???

                    • Makla
                      Makla  2 weeks back

                      "The collapse's cause remained unknown, but outside investigators speculated that the improper removal of pins and bolts during disassembly was a potential cause.[10][11] Mercer Street remained shut down for the weekend and re-opened on Monday morning, following removal of the crane and debris to a nearby lot.[4][12]

                      The preliminary findings from the Department of Labor and Industries was released in October and found that the collapse was caused by the premature removal of more than 50 pins between the tower crane sections."


                      Uncle bumblefuck.... you're a freaking genius

                      • Jason
                        Jason  2 weeks back

                        I think you nailed it! Seems like a legit description!

                        • Mr Wonderful
                          Mr Wonderful  3 weeks back

                          This maggot talks like a 12 year old.

                          • Jeff Griffiths
                            Jeff Griffiths  3 weeks back

                            With a union gig you're not getting fired for fucking up either.

                            • David
                              David  3 weeks back

                              In case you haven't seen this: https://youtu.be/te547Ek0yJo

                              • Fixa Troll
                                Fixa Troll  3 weeks back

                                I agree with your assessment. It really is obvious what must have happened. They pulled to many pins The wind push on the mast and the normal slack in the fittings was used up and they simply slipped out. What were they thinking?? Hundreds of feet of mast with no attachment other than gravity fit???
                                That is a manslaughter by negligence Charge Give them 20 years minimum..
                                Their defense will be " We tried our best." Who knew the wind would come up"? "Worked Ok before."
                                Strictly prohibited in the instructions manual. " we don't need that" "There wasn't any instruction manual"." It got lost somewhere" On and on it goes. I seen a 500 ton mobile wreck because they felt they could overide the safety instruction manual while moving it.. All of them lost their homes and still owed huge. Insurance crucified them. Good men. Yeah right! Nobody got hurt on that one. Thank God.

                                • Dan Smith
                                  Dan Smith  3 weeks back

                                  https://www.seattletimes.com/seattle-news/findings-of-investigation-into-fatal-april-crane-collapse-to-be-released/ "preliminary findings indicate pins were removed prematurely" 5 months later, well done sorry to say

                                  • Jim Marriott
                                    Jim Marriott  3 weeks back

                                    Safety in the war against Time is to deny it battle.
                                    Peace.

                                  • Daniel
                                    Daniel  3 weeks back

                                    I was an exterior framer. Ya know, the drywall guy.
                                    I have watched these things go up and down for literal decades. I've seen them pull the pins on one section, (trying to speed up the process in a pinch on a weekend, so they can go home early), but, Never all the pins at once!!!, and Never without the crane first being attached, ("if"), the 'Safety Man' for the General Contractor was on sight.
                                    Where was that G. C.'s Safety Man at the time?
                                    That's 1 major question that should be asked here, seeing as how very dangerous of an operation this could be on a good day with no issues.

                                    • jimthelizardking69 have a nice day

                                      I wouldn't call this, structural failure.

                                      • Aaron Bryant
                                        Aaron Bryant  3 weeks back

                                        Investigators determined multiple pins were improperly removed during the dismantling of the crane.

                                        • Gen 01 Lee
                                          Gen 01 Lee  3 weeks back

                                          They were most likely making more than $50 an hr. And union guys can take all the time in the world and be ok, also take coffee breaks like no tomorrow. Sounds like you’re spot on, surely someone thought they could save time taking pins out on the way up, as they went up one side they’d take them out leaving the opposite pins still in place and that would be enough to hold, then they could stay on the opposite side going down and take pins out of one section at a time instead of bouncing back and forth.(possibly hauling that section down before moving). Then once whatever started it over each section followed and it all came crashing down. Sad story here.

                                          • Robert Warren Gilmore
                                            Robert Warren Gilmore  4 weeks back

                                            I've been working in the adjacent building since it opened in August. There's now a memorial wreath in the road island - where I sit I'm looking right at it all day every day. I still have nightmares about sudden accidental death from above without warning. 😣

                                            • Clayton Knudsen
                                              Clayton Knudsen  4 weeks back

                                              https://www.upi.com/Top_News/US/2019/10/18/Washington-fines-three-companies-for-Seattle-crane-collapse/4881571390390/
                                              Less than $120k in total fines for removing the pins.

                                              • Ryan Grelck
                                                Ryan Grelck  4 weeks back

                                                Did you see that they had a report and you were spot on? KOMO News: Improper dismantling caused deadly Seattle crane collapse; companies fined $107000.
                                                https://komonews.com/news/local/improper-dismantling-caused-deadly-seattle-crane-collapse-companies-fined-107000

                                                • marksmanaz
                                                  marksmanaz  4 weeks back

                                                  some peoples needs to go to jail

                                                  • William Schlipf
                                                    William Schlipf  4 weeks back

                                                    Nice analysis, you seem to be correct: https://www.geekwire.com/2019/failure-follow-safety-guidelines-led-seattle-crane-collapse-killed-4-state-investigation-finds/

                                                    • R Upson
                                                      R Upson  4 weeks back

                                                      https://www.knkx.org/post/3-companies-cited-role-fatal-seattle-crane-collapse

                                                      • Daniel De Jager
                                                        Daniel De Jager  4 weeks back

                                                        Seattle times just had an article about the results fo the investigation.
                                                        @AVE, you were right.
                                                        workers removed all but 1 of the pins!
                                                        https://www.seattletimes.com/seattle-news/findings-of-investigation-into-fatal-april-crane-collapse-to-be-released/?fbclid=IwAR0gznGr6DpgVYzB5MnWeNAh9C8RqzT4w0gI26g5noM4r1d2-6e8JtWDH7U

                                                        • Brian R
                                                          Brian R  4 weeks back

                                                          Hey AvE, just found your channel and I think is Great..! You do a very good job of taking complicated engineering "things" and putting them into Laid Mans Terms. When you get time could you please explain how WTC building 7 tumbled to the ground on September 11th 2001?

                                                          • Creeshee
                                                            Creeshee  4 weeks back

                                                            Looks like you were right. https://www.google.com/amp/s/www.seattletimes.com/seattle-news/findings-of-investigation-into-fatal-april-crane-collapse-to-be-released/%3famp=1

                                                            • William Degnan
                                                              William Degnan  4 weeks back

                                                              Washington State Department of Labor and Industries investigation concurs with AvE's analysis. Criminal investigation has been opened, as well.
                                                              https://www.apnews.com/96669aea30ca4dda97f480f2a5893ab6

                                                              And, speaking of cranes, Controlled Demolition of New Orleans Crane Planned. https://apnews.com/94f2554d3f6b4a21a2651f4f5eb2a0f9

                                                              • Thorsby Guy
                                                                Thorsby Guy  4 weeks back

                                                                Labor & Industries cites three employers for multiple violations connected with fatal Seattle crane collapse http://www.lni.wa.gov/News/2019/pr191017a.asp

                                                                • Thorsby Guy
                                                                  Thorsby Guy  4 weeks back

                                                                  Update: ‘Totally avoidable’: 3 firms fined in Seattle crane collapse. https://www.apnews.com/96669aea30ca4dda97f480f2a5893ab6

                                                                  • David Johnson
                                                                    David Johnson  4 weeks back

                                                                    Would love to hear your input on the Hard Rock New Orleans collapse.

                                                                    • Fernando Garrido
                                                                      Fernando Garrido  4 weeks back

                                                                      "Cab is light".
                                                                      Yeah man, it only weights 12 ton without anything on that model, a real lightweight! lol.

                                                                      • The Quinn Reaper Nova & Co.

                                                                        Looks like the pins were indeed removed!

                                                                        https://www.seattletimes.com/seattle-news/findings-of-investigation-into-fatal-april-crane-collapse-to-be-released/?utm_source=marketingcloud&utm_medium=email&utm_campaign=BNA_101719184150+BREAKING%3a+Cause+of+fatal+crane+collapse+revealed_10_17_2019&utm_term=

                                                                        • Ben Sparks
                                                                          Ben Sparks  4 weeks back

                                                                          @AvE called it - pins out = no bueno: https://www.geekwire.com/2019/failure-follow-safety-guidelines-led-seattle-crane-collapse-killed-4-state-investigation-finds/

                                                                          • Oliver Stewart Jackson
                                                                            Oliver Stewart Jackson  4 weeks back

                                                                            https://twitter.com/komonews/status/1184911110324965376?s=21 looks like you were right

                                                                            • Grandpa Geek
                                                                              Grandpa Geek  4 weeks back

                                                                              It looks like you are officially correct: https://www.seattletimes.com/seattle-news/findings-of-investigation-into-fatal-april-crane-collapse-to-be-released/?utm_source=marketingcloud&utm_medium=email&utm_campaign=BNA_101719184150+BREAKING%3a+Cause+of+fatal+crane+collapse+revealed_10_17_2019&utm_term=Registered%20User

                                                                              • August McKenna
                                                                                August McKenna  4 weeks back

                                                                                Hi internet Uncle!

                                                                                I wanted to share the latest news on the Seattle Tower Crane Collapse. Looks like you were right about premature pin removal being the culprit.

                                                                                https://www.workerscompensation.com/news_read.php?id=33994

                                                                                • Brandon Frazier
                                                                                  Brandon Frazier  4 weeks back

                                                                                  Any info coming on this New Orleans Hard Rock hotel collapse?

                                                                                  • garry booze
                                                                                    garry booze  4 weeks back

                                                                                    Its hard to believe that all of the expert and educated opinions (not sarcasm) no one has mentioned the crawler crane was probably dogged off after a wind gust, leaving the iron workers no way to reinstall the pins that were taken out in prep for disassembly. Being as there is no way in this world one could place or pull any of those pins without the crawler taking the weight off of them.

                                                                                    • Tim Earll
                                                                                      Tim Earll  1 months back

                                                                                      Sickening display of negligence if indeed the pins were prematurely removed which appears to be the case. Sad.

                                                                                      • Steve Matson
                                                                                        Steve Matson  1 months back

                                                                                        Why would iron workers do that? Was it sabotage?

                                                                                        • hydrostatic shocker
                                                                                          hydrostatic shocker  2 weeks back

                                                                                          No, there is a certain order of processes that they very often dont do correctly. When they are in a hurry, as a guy travels up the crane to start pulling it apart piece by piece, he will pull the pins on the way up so that part is done. They should be pulled section by section starting at the top.

                                                                                      • Merlin Murphy
                                                                                        Merlin Murphy  1 months back

                                                                                        AvE hats off to you, some top notch forensic engineering, with little more than some grainy photos. Always fascinates me when NTSB guys piece together from a mangled mass of debris strew over 1 mile+, and prove conclusively what caused the accident.
                                                                                        Prison time for those responsible????? Why it will never bring back those that died. I find it hard to believe that those people will not be scared for life worse than any other. Punishment fuck yha but what?
                                                                                        Once again AvE, respectively and well done.

                                                                                        • T Wils
                                                                                          T Wils  1 months back

                                                                                          Nice to see Ainscough Crane Hire pop up. Must be using UK footage there..

                                                                                          • Ken Kelso
                                                                                            Ken Kelso  1 months back

                                                                                            Was in downtown ablock or so away from this collapse when it happened could hear and feel it hit the ground from that far away