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gloom posted:Of all the cataclysmic dangers that come up in this thread, the most unnerving one to me is still the basic unshored trench. I've probably posted this one here before when the topic of unshored trenches comes up, but I'm posting it again. Years ago I was drilling at a site that was contaminated. The owner of the property was attempting a DIY remediation system, by injecting some At one point, he cut out a piece of floor in his shop. Probably about 3 feet wide, maybe less and about 20ish feet long. Then he dug a trench the length and width of the cut and probably 7-8 feet deep. Dude had a step ladder down in to it, that barely reached the top of the trench, let alone sticking 3 feet above, or whatever is proper for such a thing. And absolutely zero shoring. His aim was to drill holes horizontally along the trench walls and "inject" this I'm not even sure how the trench stayed open as the majority of the soil was sand with just a little bit of silt. They had a garden hose "incase the walls collapse, the guy can run to the hose and breathe through it until we dig him out".
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Mar 14, 2021 02:15
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wesleywillis posted:They had a garden hose "incase the walls collapse, the guy can run to the hose and breathe through it until we dig him out". 
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Mar 14, 2021 03:59
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Hard to breathe if you can't expand your ribcage
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Mar 14, 2021 04:11
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When you've killed before, and you'll kill again https://twitter.com/kiwapebretech/status/1369765701905354755
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Mar 14, 2021 04:14
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PainterofCrap posted:Hard to breathe if you can't expand your ribcage There's also a strict limit on how long a tube can be and still breathe through it, else you're just cycling stale air in and out of the tube and never actually drawing any fresh air in.
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Mar 14, 2021 04:29
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Speaking of long tubes and tight spaces https://i.imgur.com/gRpQpdT.gifv
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Mar 14, 2021 04:59
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wesleywillis posted:I've probably posted this one here before when the topic of unshored trenches comes up, but I'm posting it again.
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Mar 14, 2021 05:19
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gloom posted:Oh my god that is horrifying, thank you. How would someone run to the hose location during a collapse, though? Feels like another layer of bullshit on top of an already unsafe situation. Clearly you should be breathing through the hose the entire time just in case
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Mar 14, 2021 05:30
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The hose should be running at all times so you can 'float' to the top in case something goes wrong.
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Mar 14, 2021 05:35
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gloom posted:Oh my god that is horrifying, thank you. How would someone run to the hose location during a collapse, though? Feels like another layer of bullshit on top of an already unsafe situation. I have no idea. It was more than a decade ago so I may have forgotten a few details. Like maybe there were two hoses?
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Mar 14, 2021 05:43
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Imagine four hoses at the edge of a cliff
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Mar 14, 2021 06:05
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Here's a fun diagram from that Review of Criticality Accidents publication. Also I have a new favorite one from that document: some Soviet workers at Mayak created a criticality excursion by tipping a container onto its side to dump it out instead of siphoning it as specified. The solution initially had favorable geometry of a big flat puddle at the bottom of the vessel, but when they tilted the vessel 45 degrees it sloshed into a more compact configuration and, to quote the phrase that appears again and again in that document, "the operators reported a flash of light and the radiation alarms began to sound."
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Mar 14, 2021 06:32
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Killer robot posted:It was also OSHA In that the wings had edges sharp enough to be a danger to ground crews. They made protective guards for them. Happens with other aircraft too; the joke is you can tell a Cessna pilot from a Piper pilot by which one has diamond shaped scars on their forehead Trailing edges of wings and some control surfaces of most planes have pencil looking deals hung off them to wick static charge off the airframe and back into the air. They are called static wicks and if you want to avoid stabbing yourself with them, you probably want to take them all off when they enter your shop. Furthermore vvv not a pleasant image vvv https://i.imgur.com/hRuVItc.jpg EvenWorseOpinions fucked around with this message at 05:01 on Mar 16, 2021 |
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Mar 14, 2021 08:22
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https://twitter.com/caraesten/status/1370632893144264704
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Mar 14, 2021 08:59
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Almost one year ago: https://twitter.com/fart/status/1259956423200370688?s=20 Gutter Phoenix posted:https://twitter.com/SanJoseVoice/status/1262393476303466496
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Mar 14, 2021 09:17
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Putting every single douchbag techbro billionaire behind bars is the most OSHA you can get.
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Mar 14, 2021 10:33
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I mean Elon also thinks that the best economic for Mars is a upper class of billionaire tech bro’s being supported by an underclass of literal indentured slaves.
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Mar 14, 2021 10:44
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AKA the final stage in the circle of capitalism: neo-despotism.
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Mar 14, 2021 10:46
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Lord Stimperor posted:Ramming wasn't common, but it's something that pilots did in WW2. The Royal Airforce derailed V1 (cruise) missiles by giving them a push with their wing. Late in the war, the Germans tried to make plane rammings a thing. They were producing more planes than pilots and in order to reliably take down a bomber, they had throwaway planes that would intentionally collide with and shear off the vertical stabilizer from bomber planes. Didn't work out. In the V1 case. I don't believe they actually touched. Just getting in close and bringing the wing up under the V1's wings would disrupt the airflow enough to flip it over and make it crash.
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Mar 14, 2021 13:09
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EvenWorseOpinions posted:vvv not a pleasant image vvv Could you please change that to a URL. Someone with a piece of an aircraft through their goddamn eye was not something I really wanted to see when my cursor moved over it. Also, NMS and NWS tags will stop images from automatically being changed to inline on most SA apps.
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Mar 14, 2021 14:39
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Bad Munki posted:Speaking of long tubes and tight spaces Loving this with the James Brown OST from the post above.
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Mar 14, 2021 15:15
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https://www.youtube.com/watch?v=Y5rURPfvgMQ
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Mar 14, 2021 15:25
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https://twitter.com/aperturegrillz/status/1370963143451582467?s=20
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Mar 14, 2021 15:44
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wesleywillis posted:They had a garden hose "incase the walls collapse, the guy can run to the hose and breathe through it until we dig him out".
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Mar 14, 2021 15:58
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Youtube comments: whoo drat pilots huge nuts what a bad rear end so calm and collected. Real professional! https://www.youtube.com/watch?v=uYBf3XPwvaU Youtube comments: looks like he forgot to turn a few magnetos on and almost killed 3 people because he rushed his checklists. https://www.youtube.com/watch?v=XXqiasCUXi8
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Mar 14, 2021 16:29
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https://i.imgur.com/4eeJ67K.gifv
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Mar 14, 2021 17:16
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I regret not being there to laugh.
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Mar 14, 2021 17:25
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EvenWorseOpinions posted:Happens with other aircraft too; the joke is you can tell a Cessna pilot from a Piper pilot by which one has diamond shaped scars on their forehead I did that once - sorta. Doing the walkaround on a Cessna 152 trainer, thinking about the weather report saying fast moving showers passing through. So like a dumbass, I'm checking out the sky and sort of crab walking along the trailing edge of the aileron. "What they talking about? Barely a cloud..." Smack! Not a wick fortunately, but that thing was basically like a sharp edge on a corrugated garden shed and at eyeball height. So I had crusted blood on my temple as I practiced touch-and-gos that day.
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Mar 14, 2021 17:48
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Apologies if this has been posted here. Who's up for some trainfuckling? https://www.youtube.com/watch?v=yfeMH60FxzU
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Mar 14, 2021 17:57
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By popular demand posted:I regret not being there to laugh. I regret not being there to run over with a can of spraypaint and replace "nothing" with "EVERYTHING" (preferably on the other side, the side which probably isn't immediately going to fall over onto me)
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Mar 14, 2021 18:45
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https://va.media.tumblr.com/tumblr_qpwaywM6dx1r0uzl6.mp4
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Mar 14, 2021 19:10
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The original Truck Dismount
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Mar 14, 2021 19:20
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One lucky bastard.
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Mar 14, 2021 19:31
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That guy should never ride a motorcycle again (because he's already had the coolest moment he ever will on one)
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Mar 14, 2021 20:01
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Ah yes, the elusive serious string
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Mar 14, 2021 20:31
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occluded posted:Ah yes, the elusive serious string 
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Mar 14, 2021 21:34
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Nenonen posted:Apologies if this has been posted here. Who's up for some trainfuckling? OSHA the game! The fact that you have to fight off wolves while clearing the tracks had me laughing.
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Mar 14, 2021 22:32
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everydayfalls posted:OSHA the game! The fact that you have to fight off wolves while clearing the tracks had me laughing. Soviet cosmonauts were issued a gun in case of wolf attacks after their spacecraft landed in Siberia.
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Mar 14, 2021 22:40
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loving hell, I need to play that Long Dark/train sim crossover. Put it on xbox and take my money.
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Mar 14, 2021 22:44
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The car group I'm in on facebook is mostly people asking for advice or showing photos of their freshly-polished paintwork, but there are regularly idiots who posts photos of their dashboard saying things like "Wow, just hit 50,000 miles!" or "Anyone know what this warning light means?" while the speedo clearly shows they're travelling at 75mph.
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Mar 14, 2021 22:49
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