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chitoryu12 posted:After you've determined the net capacity of your load (weight of the load minus any load handling devices like slings, shackles, and "headache balls"), you use the chart and diagram to determine whether or not you can safely lift it. Sorry for a couple ignorant questions, but when you say "net capacity of your load", you're using "capacity" in a way I don't get. I think of "capacity" as meaning the capability of something to do something, while a load is simply a weight in whatever form and however balanced. So my truck might have a capacity of carrying X tons and Y cubic feet, while the load that would ride in it weighs X pounds/tons and takes up however many cubic feet. So I'd think of the capacity of a lift as being able to lift X weight at Z boom length. "Capacity of a load" is confusing to my little brain. Secondly, why isn't the weight of the slings/shackles/whatever included in the weight of the load? That stuff gets lifted, too, although in most cases it's not a significant part of the load weight. Thanks for the info, it's really interesting.
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# ? Apr 12, 2019 01:28 |
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# ? May 14, 2024 02:15 |
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https://www.youtube.com/watch?v=VAADSvuxrbk
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# ? Apr 12, 2019 03:32 |
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Crane pros: it's like playing a crane game, forever Crane cons: it's like playing a crane game, you can lose We had an overhead crane with a remote control you sling over your shoulder, it was the coolest thing ever until it just became so rote you're doing the whole traversal without moving in less than 2 axises at once.
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# ? Apr 12, 2019 03:58 |
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The hotel I'm at was doing work earlier today. Looked like an event for OSHA. Escalators always hunger for human flesh, especially when they've opened their mouths like that, but it appeared the employees had it properly leashed and bound today at least.
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# ? Apr 12, 2019 04:39 |
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After watching a video about physical pentesting, I can only assume those are fake escalator repair people who are there to steal your secrets.
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# ? Apr 12, 2019 04:51 |
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Powershift posted:Okay, but how do you feel about acronyms? If something has a name it is generally worth using. However, if one wishes to best use acronymns then they should be defined at the first use. For example: blah blah blah Occupational Safety and Health Adminstration (OSHA).... Then perhaps have a list of acronymns (in alphabetical order) at the very end of your document. Or if you are using a lot of documents then essentially have a standard list of acronymns. With commonly use ones on that particular list. And very specific single use ones listed in the documents in which they appear. The same thing could be done for defintions of certain terms. Some information from the nuclear power world... https://www.ppaweb.org/documents/ppa-ap-907-001.pdf https://www.ppaweb.org/documents/ppa-ap-907-005-001.pdf As for slang, that is when you are truly turbo hosed. I remember I was on top of a chemical tower one time and me and about 5 other fellows were trying to holler at this one guy to put a different sized wrench in the canvas tool bag so we could haul it up with some rope. (Cause gently caress climbing all the way down and up again.) I can't remember what term it was that he used but it wasn't "wrench" and it wasn't "spanner". Ultimately I had to climb down to get it. I really wish I would have remembered what he called it... Oh well we got the job done, that was the important thing. Senor P. fucked around with this message at 05:01 on Apr 12, 2019 |
# ? Apr 12, 2019 04:58 |
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Could somebody repost how to add Truckfucklers to my av? I feel like spending on the forums. Also, driving the loader, forklift, boom lift, and skidloader counts as truckfuckling IMHO
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# ? Apr 12, 2019 05:06 |
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I heart bacon posted:Could somebody repost how to add Truckfucklers to my av? I feel like spending on the forums. Also, driving the loader, forklift, boom lift, and skidloader counts as truckfuckling IMHO Buy a new avatar and use an [img] tag to add the truckfucklers image to the text section (get the URL from the avatar of someone who already has it). haveblue fucked around with this message at 05:45 on Apr 12, 2019 |
# ? Apr 12, 2019 05:43 |
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Cojawfee posted:After watching a video about physical pentesting, I can only assume those are fake escalator repair people who are there to steal your secrets. I did the same a couple of weekends ago. That was an interesting rabbit hole to fall down.
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# ? Apr 12, 2019 05:44 |
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Cojawfee posted:After watching a video about physical pentesting, I can only assume those are fake escalator repair people who are there to steal your secrets. I’d rather tangle with an armed guard.
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# ? Apr 12, 2019 06:11 |
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haveblue posted:Buy a new avatar and use an [img] tag to add the truckfucklers image to the text section (get the URL from the avatar of someone who already has it). Thanks!
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# ? Apr 12, 2019 06:13 |
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https://www.youtube.com/watch?v=S5nFHMKCA00 No idea if this is actually OSHA or not, but I'd be just slightly nervous about the samples sitting next to one another and using one sample to push another around.
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# ? Apr 12, 2019 06:41 |
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chitoryu12 posted:Also one thing with trying to make cranes automatically compensate for physics is that loads typically aren't symmetrical. There are classes and certifications for riggers because materials all have different densities and a load could be made up of multiple different materials in an asymmetric shape, which requires calculations and correct sling placement to keep the load balanced. You would also need to be taking into account wind and other factors that could suddenly change during a lift. As we've seen with Boeing's recent gently caress-up, sometimes letting the computer do everything because you don't trust the operator is just going to result in a bigger accident when you have a software or hardware glitch and it forces you into doing something dangerous. this is completely unrelated to OSHA but where is your av from? he's pretty
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# ? Apr 12, 2019 07:44 |
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IPCRESS posted:No idea if this is actually OSHA or not, but I'd be just slightly nervous about the samples sitting next to one another and using one sample to push another around. One big advantage is not using a bucket to move material into unfavourable geometries (Don't look it up without brain bleach or nuerolyser). An earlier video showed some material so ridiculously radioactive it glowed. I think it was 'Milking the cow' video.
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# ? Apr 12, 2019 08:52 |
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Senor P. posted:However, if one wishes to best use acronymns then they should be defined at the first use. Oh my loving god, yes! People who just toss in undefined loving acronyms deserve to die.
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# ? Apr 12, 2019 10:13 |
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Just use the acronyms package and /ac{osha} every time
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# ? Apr 12, 2019 10:16 |
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Pissed Ape Sexist posted:Nice. Bay twelve, please. Just saying, that didn't go unappreciated :-)
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# ? Apr 12, 2019 12:02 |
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I heart bacon posted:When did Swift branch off from truckfuckling into trainfuckling? That reminded me of my first summer job at a city storage yard. We were two fifteen year old boys. The only adult present was some office worker as everyone else was on vacation. I guess he was annoyed by us having to ask him to move pallets around, because eventually he let us operate an old rear end front loader with zero oversight after giving a brief tour of the controls. It was intimidating and exhilarating at the same time to be put in the controls of such a heavy machine. At least there was the passive safety factor of there simply not being many people around to accidentally kill. But yeah, it was extremely OSHA in retrospect. Only damages were slight bumps to stuff and some dropped bricks after a practical lesson of how not to stack them on a pallette.
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# ? Apr 12, 2019 13:32 |
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Senor P. posted:I deal with acronyms all day long and I loving hate them. What about the OGs, EZEs, ICE QBs and DOCs?
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# ? Apr 12, 2019 14:32 |
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Powershift posted:What about the OGs, EZEs, ICE QBs and DOCs?
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# ? Apr 12, 2019 14:54 |
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Syrian Lannister posted:I did the same a couple of weekends ago. That was an interesting rabbit hole to fall down. Here are a few of my favorites. Let's start off with some thread-appropriate videos (don't hack elevators. stay out of the loving elevator shaft. if the elevator is stuck between floors wait for rescue instead of trying to squeeze out because the elevator hungers for blood) https://www.youtube.com/watch?v=ZUvGfuLlZus https://www.youtube.com/watch?v=oHf1vD5_b5I I'll Let Myself In: Tactics of Physical Pen Testers https://www.youtube.com/watch?v=rnmcRTnTNC You’re Probably Not Red Teaming (And Usually I’m Not, Either) https://www.youtube.com/watch?v=Y0czi3kpF4I Howard Payne & Deviant Ollam - This Key is Your Key, This Key is My Key https://www.youtube.com/watch?v=a9b9IYqsb_U 1284X FTW (Entire fleets of vehicles are keyed with a generic key (see video above), this is a demonstration) https://www.youtube.com/watch?v=YnYoWj_rYHs The Search for the Perfect Door https://www.youtube.com/watch?v=4YYvBLAF4T8
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# ? Apr 12, 2019 15:00 |
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MisterOblivious posted:Here are a few of my favorites. I love these vids, thx. There's one with a guy who's job is to sneak into corporate offices and evade security it's pretty interesting but can't find it right now. e: oh this last vid's about a guy who breaks into stuff..there must be a lot of people like this in these defcon type vids. LifeSunDeath fucked around with this message at 15:20 on Apr 12, 2019 |
# ? Apr 12, 2019 15:17 |
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LifeSunDeath posted:I love these vids, thx. There's one with a guy who's job is to sneak into corporate offices and evade security it's pretty interesting but can't find it right now. Somewhat related, but watch LockPickingLawyer if you want to see how worthless pretty much all locks are: https://www.youtube.com/watch?v=7YkkEKSpJAs
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# ? Apr 12, 2019 15:36 |
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I just care about having a lock that isn’t infamously vulnerable like those tubular locks defeated by pens or basically any Masterlock. If a lockpicking virtuoso or anyone with an cutoff wheel shows up, the lock can admit defeat without shame.
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# ? Apr 12, 2019 15:43 |
Guineapig posted:Sorry for a couple ignorant questions, but when you say "net capacity of your load", you're using "capacity" in a way I don't get. Sorry, I did mix up terms a little. "Net capacity" is the maximum capacity you can safely lift at a given boom length and angle, minus the weight of load handling devices. The load is just the load with its weight. The load charts all list net capacity, as there's a wide variance in possible load handling equipment that could be hundreds of pounds off from other setups. When determining how much you can lift, you make sure that you're taking into account the weight of the load and the weight of your block, sling, shackle, etc. Otherwise what seems like a 2500-pound load is actually 2800 pounds because you didn't take into account all the other poo poo hanging from the boom. This is especially problematic for small cranes, as they can have very low net capacities at the edge of their capability and a 150-pound headache ball could bring you close to tipping when shock loads and other unexpected loads on the boom are taken into account. wesleywillis posted:It also looks like the "heavy boom", the one that fell to begin with hit the boom of the one that was lowering it?. Was the operator supposed to be lowering the heavy boom while rolling his crane back? It looks like the tension lines on top of the boom are slack, which suggests that the crane was being assembled or disassembled and the boom sections are so heavy that they need additional cranes to hold them up. The operator was likely lowering the boom for disassembly on the ground and wasn't using the brakes properly, causing the boom to fall too fast and eventually gain so much momentum that the brakes are now useless at stopping it. lol if you posted:this is completely unrelated to OSHA but where is your av from? he's pretty That is Aunt Martha from Sleepaway Camp! chitoryu12 fucked around with this message at 15:47 on Apr 12, 2019 |
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# ? Apr 12, 2019 15:43 |
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JB50 posted:Somewhat related, but watch LockPickingLawyer if you want to see how worthless pretty much all locks are: yeah i'm already on all this and bosnianbill. lock picking in a garage is neat, but it's way cooler when people figure out weird ways to get into actual secure sites.
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# ? Apr 12, 2019 15:53 |
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chitoryu12 posted:headache ball Heh, is it called that for the reason I think it is?
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# ? Apr 12, 2019 16:57 |
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It gives you a headache because it keeps talking about the deep state.
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# ? Apr 12, 2019 17:05 |
BMan posted:Heh, is it called that for the reason I think it is? I believe so. I once almost got my skull crushed like an eggshell when an elderly instructor trying to pick up a load next to me slammed the stick forward too hard. I ducked out of the way before the 120-pound steel ball smashed into the crane behind my head. He's no longer operating, obviously.
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# ? Apr 12, 2019 17:05 |
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Cojawfee posted:According to wikipedia, it was in use from the 60s to the 80s and then fell out of use. The proper way to pronounce it is the same way you pronounce the G in garage. im late but this is the jooniest loving post and i love you now
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# ? Apr 12, 2019 20:31 |
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Thanks for the clarification, chitoryu12. Edit: Wait, you say MINUS the weight of the load handling devices, which means the weight of the devices is subtracted from the net capacity and not ignored like I thought you were saying. Sorry, I misunderstood. How do I strike through everything below this line? ---------------------------------------------------------------------- However, these two statements chitoryu12 posted:"Net capacity" is the maximum capacity you can safely lift at a given boom length and angle, minus the weight of load handling devices. seem to still be in contradiction. I fully agree with the second one and am confused about the usefulness of the first one. I have had to do a limited amount of rigging of my own gear and have done my best to pay attention and learn from a variety of sources the safe way to do it. Guineapig fucked around with this message at 20:52 on Apr 12, 2019 |
# ? Apr 12, 2019 20:42 |
The statements looked fine when I was typing but they could easily be read incorrectly. Load charts are all gross capacity because the weight of load handling devices and rigging will be variable. Net capacity is what you can actually lift, which is the gross capacity minus the weight of any extra poo poo hanging on it. So let’s say your load is 25,000 pounds. The load chart says at a 30 degree boom angle and 120 foot length, your gross capacity is 26,050 pounds. But you have 300 pounds of rigging and a block to actually lift the load, so your net capacity is actually 25,750 pounds in that spot. What seems like a decent amount of leeway is actually just 750 pounds away from the limit, which something like shock loading from a rapid lift can put you over. If you need to lower the boom more as part of the lift, you could now be unable to safely make the lift without making adjustments. This is why a proper construction site is rarely someone just pointing at a load and telling the operator “Just swing it over there when you’re hooked up”. Unless you’re doing something obviously easy (like using a 40-ton capacity crane to lift a 500 pound pallet), you want people doing calculations and planning the lift very exactly. An LMI that tells you your boom angle and length help you make very exact motions.
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# ? Apr 12, 2019 21:30 |
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Guineapig posted:Thanks for the clarification, chitoryu12. I think the first statement quote:"Net capacity" is the maximum capacity you can safely lift at a given boom length and angle, minus the weight of load handling devices. But I'm a simple thread reader here.
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# ? Apr 12, 2019 21:41 |
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Misplace your soldering iron? Simple! Just plug an ordinary pencil into the wall. https://www.youtube.com/watch?v=8BGSy4M27vw
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# ? Apr 13, 2019 02:59 |
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So Math posted:Misplace your soldering iron? Simple! Just plug an ordinary pencil into the wall. When he solders the second invention, why doesn't he use the pencil.
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# ? Apr 13, 2019 03:21 |
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Memento fucked around with this message at 03:33 on Apr 13, 2019 |
# ? Apr 13, 2019 03:31 |
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https://www.youtube.com/watch?v=gEFtzxEqkqg
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# ? Apr 13, 2019 03:36 |
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# ? Apr 13, 2019 05:22 |
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I very truly hope those are there to hold it in place before it gets bolted/welded up. Unless this is the FIU footbridge from last year...
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# ? Apr 13, 2019 05:29 |
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# ? May 14, 2024 02:15 |
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Yeah the anchor isn't even bolted onto the wall, so really those ties are just holding the anchor in place, not holding the beam up at all.
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# ? Apr 13, 2019 05:58 |