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https://i.imgur.com/v4kkwAR.mp4 They should have just lowered the road.
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Dec 28, 2017 20:45
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must not have been america to get road work done so fast
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Dec 28, 2017 20:48
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that's easily a 7 year project, and you'd never see more than one machine being operated at a time
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Dec 28, 2017 20:50
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Kith posted:https://i.imgur.com/v4kkwAR.mp4 I've never worked on a site with time lapse because someone can go back and look at all the OSHA violations that have undoubtedly been caught on camera, so this is pretty appropriate for this thread
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Dec 28, 2017 20:55
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GotLag posted:Just what degree of protection would that offer? Would it provide any protection for a blow heavy enough to break it? Well, technically that is a helmet. Practically, since it does not seem to divert the point of impact away or around the entire covered surface, it only protects from things that are piercing or projecting force which can be stopped by a clay vase.So technically same thing as with the leather-built helmet from the pre-WW1 era. But it does protect your hairdo.
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Dec 28, 2017 21:26
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Der Kyhe posted:Well, technically that is a helmet. Practically, since it does not seem to divert the point of impact away or around the entire covered surface, it only protects from things that are piercing or projecting force which can be stopped by a clay vase.So technically same thing as with the leather-built helmet from the pre-WW1 era. Do you know what the natural enemy of the vase is? That person is one stray cat away from a Humpty Dumpty situation.
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Dec 28, 2017 21:46
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Kith posted:https://i.imgur.com/v4kkwAR.mp4 *David Attenborough sotto voce* The pack surrounds the isolated prey... And pounces. The feast lasts for two days. And the circle of life continues.
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Dec 28, 2017 21:52
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Trabant posted:*David Attenborough sotto voce* The dump trucks try to scavenge what they can, and are promptly driven off. They'll have to wait for the excavators to have their fill, but by then the bridge will be little more than rebar.
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Dec 28, 2017 22:02
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Dec 28, 2017 22:11
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This happened at a building I used to run, but the opposite direction. The night cleaning crew put a backpack vacuum on the elevator and then moved to unplug it, but they were too slow. The elevator doors closed and the car went down, pulling the cord some ways before getting to the plug which caused the vacuum to smash into the elevator ceiling. The plug end broke and the loose wire in the shaft snagged in the door hardware and the elevator car got stuck between floors. The best part is they didn't mention this to anyone. I got to work in the morning and found an elevator out of service. I called our mechanic who found the car location and opened the lobby doors to reveal 20 feet of SJ wire tangled in the door operator. We looked at each other and just sighed. I had to tell the night cleaning supervisor to have the "poo poo happens; I won't get mad, just tell me when it does" talk with his people.
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Dec 29, 2017 00:03
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Kith posted:https://i.imgur.com/v4kkwAR.mp4 Seems odd they put signs up only to take them down shortly after (yes it is a time lapse but it seems like it was done in a single night?)
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Dec 29, 2017 02:43
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Ak Gara posted:Probably would work like bicycle helmets, designed to shatter and take the kinetic force away with the flying shards. I'm starting to think you've never seen a bicycle helmet. Source: I worked in a bike shop for 5 years and dealt with dozens of helmet replacements. There wasn't a single one that shattered.
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Dec 29, 2017 02:49
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Hustlin Floh posted:There wasn't a single one that shattered. Maybe I'm a talented retard at crashing but it was exactly what happened to me? I mean, the one time I went head over handlebars the autopsy of the helmet showed that it split lengthwise with some serious deformation of the styrofoam, while the plastic liner on the outside took the abrasion and held the chunks together. Its not like it exploded into styrofoam confetti but it did deform and break to spread the impact. For me it was a good example of why you replace your helmet if you ever properly hit the ground with it. Trambopaline fucked around with this message at 02:58 on Dec 29, 2017 |
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Dec 29, 2017 02:55
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Dread Head posted:Seems odd they put signs up only to take them down shortly after (yes it is a time lapse but it seems like it was done in a single night?) Those are for the press photoshoot, I'd say.
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Dec 29, 2017 03:07
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Hustlin Floh posted:Source: I worked in a bike shop for 5 years and dealt with dozens of helmet replacements. There wasn't a single one that shattered. Hustlin Floh posted:I'm starting to think you've never seen a bicycle helmet.
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Dec 29, 2017 03:16
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The hard styrofoam (EPS) bike helmets are single use and designed to fracture with a significant impact. On a hard crash they will really break, though the plastic shell often holds them together, but they can explode dramatically too.   There are also multi-impact helmets that use polypropylene (EPP) or other softer materials that shouldn't break apart. They're often sold for use in sports where you're expected to fall.
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Dec 29, 2017 03:17
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Hustlin Floh posted:I'm starting to think you've never seen a bicycle helmet. You're just suffering from survivorship bias. Would you bring a bag of styrofoam pieces and ask for a replacement instead of just buying a new one? -e- Picked the wrong type of bias. Lurking Haro fucked around with this message at 03:39 on Dec 29, 2017 |
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Dec 29, 2017 03:36
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Trambopaline posted:Maybe I'm a talented retard at crashing but it was exactly what happened to me? No, I misunderstood you. I thought you meant they were designed to burst, but yeah, what you said is right. The deformation of the foam is the intended effect, but there's usually a bit of cracking as well. The manufacturers recommend you replace your helmet every 3 years to prevent the foam from becoming too brittle, because they'd rather it get mushed instead of cracking. (Also because they want your money) Edit: In order to actually contribute more than just a petty jab, the big debate over the past few years in bike helmets has been "MIPS", the Multi-Directional Impact Protection System. (http://mipsprotection.com/) It's basically a plastic sleeve that gives you an extra slip-plane and increases the moment of impact. When I was doing training at one of the big bike company HQs I got a chance to sit down with their helmet designer and asked his opinion on MIPS. He said it was total bullshit, and that your hair and scalp already provide a slip-plane that the tests don't replicate (the test is cinching a helmet down tightly on a metal head then slamming it on an anvil). It was an interesting take, but less than a year later that guy's company was offering helmets with MIPS. I never figured out if he changed his mind on it, caved to pressure, or got replaced altogether. Hustlin Floh fucked around with this message at 04:15 on Dec 29, 2017 |
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Dec 29, 2017 04:07
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Sooooo a buddy of mine found these while doing some industrial valve installations last month 
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Dec 29, 2017 05:01
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shame on an IGA posted:Sooooo a buddy of mine found these while doing some industrial valve installations last month Cursed, and profound.
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Dec 29, 2017 06:20
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https://i.imgur.com/4S68VqC.mp4
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Dec 29, 2017 08:12
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shame on an IGA posted:Sooooo a buddy of mine found these while doing some industrial valve installations last month gently caress. I've never heard of anything safety related but early replacement due to gouges, sagging, or joint stress because at a certain point wall thickness recommendations landed on points where the designer is assuming this bullshit is happening but its terrifying because is usually a leading indicator on bullshit like how much attention is really being paid to flange torques or tool removal hygiene.
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Dec 29, 2017 16:53
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Phanatic posted:In today's example of "Safety is Complicated": I'm about 1500 posts behind in this thread so apologies if someone already posted this follow up, but there was quite the discussion around the use of interlocks in moving vehicles and the safely problems they posed. Turns out the guy was just lying his rear end off, and has now been charged with felony manslaughter: https://www.nbcdfw.com/news/local/Man-Charged-With-Manslaughter-in-Crash-That-Killed-Arlington-Teen-464648973.html quote:However, according to a new interview with police in which Cowan’s attorney was present, Cowan told police he had been alerted by his interlock device that a sample was required.
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Dec 29, 2017 17:12
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Sirotan posted:I'm about 1500 posts behind in this thread so apologies if someone already posted this follow up, but there was quite the discussion around the use of interlocks in moving vehicles and the safely problems they posed. Turns out the guy was just lying his rear end off, and has now been charged with felony manslaughter: Ugh that's awful,almost wish you didn't post it. People are loving selfish as gently caress, can't think about anyone but themselves, nor can they plan more than 10 seconds ahead of time.
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Dec 29, 2017 18:18
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Nerses IV posted:I've never worked on a site with time lapse because someone can go back and look at all the OSHA violations that have undoubtedly been caught on camera, so this is pretty appropriate for this thread Maybe it's time lapse. Maybe it's Amphetamine.
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Dec 29, 2017 21:12
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Dec 29, 2017 23:59
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My friend, I tell you the treeck. See, it not really molten metal, it really glowing, radioactive water.
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Dec 30, 2017 00:06
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IPCRESS posted:Fill your copper pipes with finely ground salt ($0.90/kg at Woolworths) when you're shaping them (unless you have a proper mandrel, then use that). They'll still kink if you're determined, so keep that in mind. Really don't use soldered or sweated joints. I ended up making a mandrel bender. I'm using stainless steel for the whole build, no copper. Tried a few experiments with bending - had a few kinks on tests. So I filled the pipe with sand, filled it with water, and hammered plugs on the end. Then I got a torch out and as I bent, kept the steel red hot - worked a bloody treat!
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Dec 30, 2017 01:54
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Humphreys posted:Tried a few experiments with bending - had a few kinks on tests. So I filled the pipe with sand, filled it with water, and hammered plugs on the end. Then I got a torch out and as I bent, kept the steel red hot - worked a bloody treat! Um, wouldn't this end with picking steel shrapnel out of your face?
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Dec 30, 2017 02:25
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Neutrino posted:My friend, I tell you the treeck. The trick is not minding that it hurts.
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Dec 30, 2017 02:36
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https://twitter.com/MatthiasDandois/status/946805552293670912
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Dec 30, 2017 03:21
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Oh man this guy is going to bash his head in, good thing he's got a helmet. *Clicks play* JESUS CHRIST THAT'S NOT WHAT IT IS AT ALL 
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Dec 30, 2017 03:26
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A few inches forward or to the left or right and it'd have gone very differently
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Dec 30, 2017 03:34
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That boy better start buying stocks.
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Dec 30, 2017 04:21
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WHAT IN THE HECK
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Dec 30, 2017 07:03
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New from Cody's Lab, fun with Uranium https://www.youtube.com/watch?v=bl3NamzoFrM
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Dec 30, 2017 07:05
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koshmar posted:New from Cody's Lab, fun with Uranium “The dust isn’t exactly good to breathe...”
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Dec 30, 2017 07:26
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Three-Phase posted:“The dust isn’t exactly good to breathe...” understatement of a short lifetime.
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Dec 30, 2017 07:31
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Whos loving idea was it to install a spiked fence in a skate park?
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Dec 30, 2017 08:50
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JB50 posted:understatement of a halflifetime.
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Dec 30, 2017 08:54
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