WEBVTT - How Building Implosions Work 0:00:01.040 --> 0:00:04.200 Welcome to you stuff you should know from house Stuff 0:00:04.240 --> 0:00:12.680 Works dot com. Hey, and welcome to the podcast. I'm 0:00:12.760 --> 0:00:15.480 Josh Clark and there's Charles W. H. Bryant. That means 0:00:15.480 --> 0:00:20.319 that this stuff we should know. We know. That's right. Really, yeah, 0:00:21.120 --> 0:00:26.599 we are imploding this show today. I'm imploding. Josh is 0:00:26.600 --> 0:00:31.639 imploding today. That should be interesting. That's better than exploding, 0:00:31.640 --> 0:00:34.800 though I've been doing a little bit of that too. Yeah, 0:00:34.840 --> 0:00:36.640 that's no good because that affects those around you. When 0:00:36.680 --> 0:00:41.800 you implode, at least you contain the turmoil within. It's like, really, 0:00:41.840 --> 0:00:44.520 the you know, don't be selfish, don't explode, we should 0:00:44.520 --> 0:00:47.320 probably say, because I guarantee there's people out there who 0:00:47.400 --> 0:00:53.480 are like, buildings don't actually implode. Um, you, we should 0:00:53.520 --> 0:00:58.120 call this the how buildings how detonating buildings so that 0:00:58.160 --> 0:01:02.080 they collapse in on themselves due to gravity. It's not 0:01:02.200 --> 0:01:05.600 an actual implosion where everything is sucked in towards the center. Right, 0:01:06.520 --> 0:01:10.680 that's a scientific thing that this is not. It's not 0:01:10.720 --> 0:01:14.399 happening when the building implodes you. But if you're not 0:01:14.520 --> 0:01:17.280 a jerk, then you just call them building implosions. Yeah, 0:01:17.280 --> 0:01:20.319 that's the nomenclature. Yeah, that's what people say. I should say, 0:01:20.319 --> 0:01:22.280 You're not a jerk if you are up in arms 0:01:22.280 --> 0:01:24.480 about that kind of thing. But I challenge you to 0:01:24.840 --> 0:01:27.320 email us and tell us what we should really call it, 0:01:27.360 --> 0:01:30.520 what what words should stand in them for implosions, and 0:01:30.560 --> 0:01:34.320 we will read it out on the later episode. So 0:01:34.720 --> 0:01:39.760 considering that we're still around, then that's right. Um, Chuck, Yes, 0:01:40.080 --> 0:01:43.920 are you familiar with the city of Detroit. Yes, we 0:01:44.080 --> 0:01:47.320 love Detroit. We do love Detroit. Probably my favorite name 0:01:47.360 --> 0:01:52.280 of all time. Yeah Detroit. Yeah, human being was named 0:01:52.440 --> 0:01:55.640 yeah Detroit. Yeah. Um, I grew up in Toledo, been 0:01:55.720 --> 0:01:59.400 to Detroit plenty of times. Love the Tigers, yeah, Um. 0:02:00.000 --> 0:02:02.600 Sparky Anderson was a great man. I'm a Matt Stafford. 0:02:02.600 --> 0:02:06.040 Place for the Lions. Oh yeah, that's another big Detroit link. 0:02:06.080 --> 0:02:08.639 Christ loved the Red Wings when I was a kid, 0:02:08.680 --> 0:02:12.040 the Pistons. When you hear me talk smack about Detroit, 0:02:12.160 --> 0:02:16.280 I'm joking lighting up, like, I find it extraordinarily satisfying 0:02:16.280 --> 0:02:18.600 when people write it was like you need off Detroit, 0:02:18.639 --> 0:02:20.120 and it's like, well, you need to listen to all 0:02:20.160 --> 0:02:22.480 the episodes of the podcast. I think it'd be funny. 0:02:22.480 --> 0:02:24.240 I always thought if we ever went to Detroit, which 0:02:24.240 --> 0:02:25.720 I think we should at some point for an event 0:02:26.360 --> 0:02:29.640 that like people would be like awesome, we know you 0:02:29.639 --> 0:02:31.960 guys love this, and then five percent when just they 0:02:31.960 --> 0:02:34.080 would come and sit there with their arms crossed, like 0:02:34.120 --> 0:02:36.080 you got a lot of make it up to do. Yeah, 0:02:36.360 --> 0:02:39.560 what's ironic is that if you switch those ratios, you'd 0:02:39.560 --> 0:02:43.079 have the number of people who live in houses with 0:02:43.200 --> 0:02:45.720 roofs in Detroit and the number of people who don't. 0:02:48.160 --> 0:02:50.359 So Also, one of my favorite things about Detroit is 0:02:50.400 --> 0:02:53.639 a website called Forgotten Detroit dot com. Yeah, that's a 0:02:53.680 --> 0:02:56.119 good one. I've mentioned it a few times. It bears repeating. 0:02:56.560 --> 0:03:00.400 There is a website called Forgotten Detroit dot com. And 0:03:00.440 --> 0:03:02.840 I get the impression that the guy was maybe German, 0:03:02.919 --> 0:03:07.120 Austrian or Dutch, and he's obviously knows what he's talking 0:03:07.160 --> 0:03:10.200 about with architecture, because it comes through when he's documenting 0:03:10.240 --> 0:03:13.960 the building and talking about it. But he wandered around Detroit. 0:03:14.000 --> 0:03:17.040 Whoever made this website wandered around Detroit and did a 0:03:17.040 --> 0:03:21.520 lot of urban exploration of abandoned buildings, photo documented building 0:03:21.560 --> 0:03:24.919 after building after building, went back and found original schematics, 0:03:25.280 --> 0:03:28.799 wrote about the history, and just made this exhaustive web 0:03:28.960 --> 0:03:33.200 website called forgotten Detroit dot com. And the reason why 0:03:33.200 --> 0:03:35.840 it's so awesome, in addition to the fact that it's 0:03:35.840 --> 0:03:39.160 just abandoned building photos, which are like the greatest thing 0:03:39.160 --> 0:03:43.240 on the planet, uh, is that he documented buildings that 0:03:43.280 --> 0:03:46.200 are not there any longer. A lot of them have 0:03:46.320 --> 0:03:50.080 been torn down and some of them have been imploded 0:03:50.160 --> 0:03:54.080 for lack of a better word, Yeah, just to make 0:03:54.200 --> 0:03:56.600 room for something better and bigger. Yeah, to take care 0:03:56.640 --> 0:03:59.960 of the blight to ye, just like, yeah, this is 0:04:00.080 --> 0:04:03.520 been here for too long with broken windows, right, and 0:04:03.560 --> 0:04:07.360 no one's been in it occupied it since, you know, 0:04:07.480 --> 0:04:09.560 So let's get rid of this. Instead of a slow 0:04:09.840 --> 0:04:13.440 demolition over the course of fifty years by vandals, let's 0:04:13.440 --> 0:04:16.400 just take care of it now exactly. So that's how 0:04:16.920 --> 0:04:21.200 that site ties to this episode. Very nice. Okay, that's good. 0:04:21.440 --> 0:04:25.080 That's a good old fashioned intro. Thanks man. So, like 0:04:25.120 --> 0:04:28.200 we said, it is, gravity is really what's going on here. 0:04:28.920 --> 0:04:31.760 It's a pretty simple concept. What they're doing when you 0:04:31.800 --> 0:04:34.760 implode a building or let's this is general demolition basically 0:04:35.200 --> 0:04:38.839 up front, is they're removing the support structures at very 0:04:38.880 --> 0:04:44.240 specific points to cause them to fall down one upon 0:04:44.279 --> 0:04:47.839 the other from the top down. And actually, you know 0:04:47.880 --> 0:04:49.840 you start at the bottom, but it will still fall 0:04:49.880 --> 0:04:52.119 from the top down, you know what I'm saying. Yeah, 0:04:52.160 --> 0:04:56.080 And um, this is usually for specific height buildings, like 0:04:56.120 --> 0:04:58.040 if you've got a five story building, you're probably gonna 0:04:58.040 --> 0:05:00.919 bring in a wrecking ball, some X excavators and a 0:05:00.920 --> 0:05:03.720 guy with a little black lunch pail exactly who's gonna 0:05:03.720 --> 0:05:06.559 sit on an ibam and eat it? Exactly? Uh? And 0:05:07.560 --> 0:05:11.200 anything over maybe eight, you're gonna start to get into 0:05:11.200 --> 0:05:14.960 the concept of of using demolition from the heights generally. 0:05:15.560 --> 0:05:18.279 This article said, I don't know if there's a rule 0:05:18.279 --> 0:05:22.440 of thumb height. Yeah, I guess what the key here? Safety? 0:05:22.640 --> 0:05:24.200 You want to do it safely. So the key is 0:05:25.440 --> 0:05:27.919 the buildings, Like where is it situated? Is it right 0:05:27.960 --> 0:05:31.000 in the middle of an apartment complex? Then you may 0:05:31.000 --> 0:05:33.159 want to implode because you don't want this thing falling 0:05:33.200 --> 0:05:35.400 left or right. If you've got nothing around there but 0:05:35.480 --> 0:05:38.400 empty parking lot. You're right, maybe a twenty story building 0:05:38.440 --> 0:05:40.839 could be fine because it's just gonna fall in that 0:05:40.839 --> 0:05:44.320 abandoned parking lot with graphs going through Italy and who 0:05:44.360 --> 0:05:47.960 cares about that? Exactly? Uh? All right, So let's get 0:05:47.960 --> 0:05:50.400 into this. The first thing that you have to do 0:05:51.400 --> 0:05:54.200 is see if you can dig up the original blueprints 0:05:54.240 --> 0:05:56.920 for this thing. They may exist, in which case you're 0:05:56.960 --> 0:05:58.960 all set and you can you know, if you know 0:05:59.000 --> 0:06:00.919 what you're looking at, you can see where their support 0:06:00.960 --> 0:06:02.920 structures are and where you need to kind of start 0:06:02.960 --> 0:06:05.839 your your journey here to implode this thing. Even better, 0:06:05.880 --> 0:06:09.599 if you can find the architect, the principal architect on 0:06:09.640 --> 0:06:13.040 that job, he or she may remember some things about 0:06:13.040 --> 0:06:15.400 that job that are like didn't show up in the 0:06:15.400 --> 0:06:18.560 bloodprints or little little foibles that the building HAPs. And 0:06:18.560 --> 0:06:20.640 be gentle with them. They may have a tear in 0:06:20.680 --> 0:06:23.159 their eye about this whole prospect. You know, don't just 0:06:23.200 --> 0:06:24.720 bang on the door and say, hey, we're gonna tell 0:06:24.760 --> 0:06:27.200 your building down, like where is it strong? You know, 0:06:27.240 --> 0:06:33.440 your crowning achievement exactly the only building you ever made. Uh, 0:06:33.480 --> 0:06:37.040 So that's just some personal advice. Be gentle with these people. Uh, 0:06:37.080 --> 0:06:39.560 they're gonna um draw up their plan of attack based 0:06:39.560 --> 0:06:42.200 on experience. And we should point out there's not a 0:06:42.200 --> 0:06:44.720 lot of companies that do this. It's not there's not 0:06:45.040 --> 0:06:48.240 five hundred demolition companies that implode tall buildings. There's like 0:06:48.279 --> 0:06:50.640 a twenty or so no. And here's the reason why 0:06:50.720 --> 0:06:53.919 it's very difficult for a young up and comer to 0:06:54.080 --> 0:06:58.120 get into the demolition business with their own company because 0:06:58.560 --> 0:07:04.159 it's so dangerous, yes, and risky not just to human life, 0:07:04.520 --> 0:07:08.400 but to other surrounding buildings. Areas Like insurance companies are 0:07:08.440 --> 0:07:12.920 all nervous watching this. That you build a track record 0:07:13.120 --> 0:07:17.000 of carrying out building implosions, and you have, you're on 0:07:17.080 --> 0:07:20.320 easy Street. That's what people hire you based on. Is 0:07:20.360 --> 0:07:23.640 your your successful track record? Yeah, and trust me, we 0:07:23.760 --> 0:07:26.840 know Josh and Chuck Implosions, LLC. Did not. We didn't 0:07:26.840 --> 0:07:29.480 get any calls. It was a bad We wasted a 0:07:29.480 --> 0:07:32.240 lot of a lot of money with that Kickstarter campaign. Well, 0:07:32.320 --> 0:07:34.920 your mom called, but she was just trying to pump 0:07:35.000 --> 0:07:37.720 us up exactly, Honey, you're good enough. You can empload 0:07:37.800 --> 0:07:42.400 this this thing. So they draw on their experience. Um. Sometimes, 0:07:42.480 --> 0:07:45.520 if they don't have the blueprints, or if it's a 0:07:45.520 --> 0:07:49.360 little more complicated, they may even do three D computer 0:07:49.440 --> 0:07:51.680 model and try it out ahead of time. Yeah. I 0:07:51.680 --> 0:07:54.640 would guess that that's pretty standard these days. Yeah you 0:07:54.680 --> 0:07:57.400 think so. Yeah. Um, I I read this awesome article 0:07:57.480 --> 0:08:00.640 about people who I think it was maybe be wired 0:08:01.000 --> 0:08:06.120 people who salvage huge huge like um ships that haven't 0:08:06.160 --> 0:08:08.800 sunk yet, that are but are about to these people 0:08:08.840 --> 0:08:12.040 like figure out how to keep them from sinking, and 0:08:12.160 --> 0:08:15.080 um even in that case, like they'll have some some 0:08:15.160 --> 0:08:17.800 guy fly with them and build a computer three D 0:08:17.920 --> 0:08:20.560 model on the on the fly. I think everyone's just 0:08:20.800 --> 0:08:22.920 get playing with three D models, right exactly, you know. 0:08:23.120 --> 0:08:24.720 But so I'm sure if they're doing that to like 0:08:24.800 --> 0:08:28.320 salvage tankers, they're doing it for like demolition too, you know, 0:08:31.480 --> 0:08:34.000 if for no other reason than as children we all 0:08:34.000 --> 0:08:36.440 love to build destroy models. I get to press in 0:08:36.440 --> 0:08:41.120 her next. Um. So, like we said, we're cover implosions 0:08:41.120 --> 0:08:43.040 in a second. If you don't have to implode, and 0:08:43.080 --> 0:08:45.000 you can just knock this thing over in an empty 0:08:45.000 --> 0:08:46.920 parking lot, you're gonna do it kind of like you 0:08:46.920 --> 0:08:49.520 would a tree. You're gonna if it's you want it 0:08:49.520 --> 0:08:51.959 to fall north, you're gonna weaken it and blasted on 0:08:52.000 --> 0:08:54.959 the north side. And sometimes you might even have cables 0:08:54.960 --> 0:08:57.000 pulling it that way, just like you would that oak 0:08:57.000 --> 0:09:00.520 tree in your front yard. Pretty basic stuff. If there 0:09:00.640 --> 0:09:02.200 is a bunch of junk around there that you have 0:09:02.240 --> 0:09:04.679 to protect you need it to follow in its own footprint, 0:09:05.160 --> 0:09:08.400 then you're gonna have to go the implosion route, right, 0:09:08.440 --> 0:09:10.760 which is kind of cool. I think everyone likes watching 0:09:10.800 --> 0:09:14.360 these videos. Oh yeah, that's a really fun way to 0:09:14.400 --> 0:09:16.880 spend the day. Yeah, And there are enthusiast even as 0:09:16.960 --> 0:09:19.679 we learned in this article, that get a little too 0:09:19.679 --> 0:09:22.520 close sometimes to see these things in person. Like building 0:09:22.520 --> 0:09:25.920 implosions are like the mic rib of the demolition world. 0:09:26.240 --> 0:09:29.120 Like it's got groupies and like people go around the country. 0:09:29.240 --> 0:09:33.360 Doesn't happen that often. You gotta take it while it's there. Um, 0:09:33.400 --> 0:09:39.679 and it could kill you. Yeah, so um, if you're imploding. 0:09:39.960 --> 0:09:42.360 They set these blasters and they look at the building 0:09:42.400 --> 0:09:46.120 basically as a series of towers instead of a one building. 0:09:46.679 --> 0:09:49.080 And what I gathered from this is that each tower 0:09:49.240 --> 0:09:53.080 quote unquote is like a support structure. Is that is 0:09:53.080 --> 0:09:55.160 that right? Yeah? Like, if you're looking at just like 0:09:55.240 --> 0:10:00.920 a um rectangular building, yeah, I would guess you probably 0:10:00.920 --> 0:10:04.360 break it up into four quadrants and then go after 0:10:04.440 --> 0:10:08.160 the support structures in each quadrant, and then the aim 0:10:08.360 --> 0:10:11.360 is to bring them all down towards the center. So, 0:10:11.600 --> 0:10:13.360 like you said, if you wanted to bring a building 0:10:13.400 --> 0:10:17.240 down to the north. You put some blasts, some charges 0:10:17.600 --> 0:10:19.840 on the north side to weaken it. Well, if you 0:10:19.880 --> 0:10:21.839 had four quadrants that you were trying to bring down 0:10:21.920 --> 0:10:24.160 towards the center, you would weaken the side closest to 0:10:24.160 --> 0:10:27.480 the quadrant and then have them all fall in towards 0:10:27.480 --> 0:10:30.080 the center and then collapse the building downward, right. Or 0:10:30.160 --> 0:10:33.360 another option is to actually weaken the center of the building, 0:10:34.120 --> 0:10:37.240 and uh, that would cause everything to fall in word 0:10:37.280 --> 0:10:39.599 as well. Yeah, but if you if you broke it 0:10:39.640 --> 0:10:42.880 into quadrants and then collapse everything towards the center, you 0:10:42.880 --> 0:10:45.720 would want to time it because you don't want everything 0:10:45.760 --> 0:10:48.440 just collapsing towards the middle and just holding one another up. 0:10:49.600 --> 0:10:53.719 You know that that's theays the blasters worst nightmare. Then 0:10:53.760 --> 0:10:57.400 you have the Transamerica building, Oh yeah, exactly in that 0:10:57.440 --> 0:11:02.040 triangular Yeah, at the in San Francisco. Yeah. Um, So 0:11:02.120 --> 0:11:04.440 let's say, for example, you have a twenty story building. 0:11:04.520 --> 0:11:06.720 You're not just gonna up set charges all on the 0:11:06.760 --> 0:11:10.200 first floor and I hope that gravity does its work. 0:11:10.480 --> 0:11:13.040 You're gonna set charges on the first floor and then 0:11:13.080 --> 0:11:15.280 maybe like some on the twelfth floor, and then maybe 0:11:15.280 --> 0:11:19.199 some on the six floor. Yeah, and typically like just 0:11:19.440 --> 0:11:22.360 a couple or just blowing up the first and second 0:11:22.360 --> 0:11:26.440 floor and then adding just a little bit of gravity. Uh, well, 0:11:26.679 --> 0:11:30.800 that will demolish the whole building. But you're doing the 0:11:30.840 --> 0:11:33.600 twelfth and say the fifteenth floor to to kind of 0:11:33.640 --> 0:11:36.840 break up the material that's coming down the rubble, to 0:11:36.880 --> 0:11:39.720 make clean up a little easier, right, because you know, 0:11:39.760 --> 0:11:42.280 you watch the video on YouTube and it takes five 0:11:42.360 --> 0:11:45.480 seconds and then you click on you know, guy gets 0:11:45.559 --> 0:11:48.960 kicked in the groin or sports bloopers next, and then 0:11:49.120 --> 0:11:51.560 you don't think about the fact that, yeah, guy's gotta 0:11:51.559 --> 0:11:53.880 clean the stuff up, right exactly? You want small pieces, 0:11:54.000 --> 0:11:56.720 is my long winded way of saying that. But in 0:11:56.800 --> 0:11:59.960 the blasters like, hey, I put some charges on floor 0:12:00.040 --> 0:12:02.520 twelve and fifteen, you can thank me later. In the 0:12:02.600 --> 0:12:06.559 cleanup guts thanks and the I told you to thank 0:12:06.600 --> 0:12:09.800 me later, he says kind of I'll trade you an 0:12:09.840 --> 0:12:12.720 apple for that tuna sandwich. He's like, you're kidding me. 0:12:13.040 --> 0:12:15.520 My wife's tuna. Give me the apple and bane and 0:12:15.520 --> 0:12:18.079 that cookie. And then the third one comes up and 0:12:18.120 --> 0:12:22.640 he's like, hey, you got the mots. Remember those ads? 0:12:23.800 --> 0:12:27.480 Remember like a little little kid motsa apple sauce like 0:12:27.520 --> 0:12:30.360 the little single served ones. There's a kid who looked 0:12:30.360 --> 0:12:33.440 like his name should be Spike or something and be like, hey, 0:12:33.640 --> 0:12:37.360 you got the mots. It was a really dumbad campaign. 0:12:37.240 --> 0:12:39.720 A bully. Yeah, he looked like a bully, but I 0:12:39.720 --> 0:12:41.680 don't think he was actually supposed to be a bully. 0:12:41.960 --> 0:12:46.680 Weird casting decision. Yeah, man, I didn't realize. I was 0:12:46.679 --> 0:12:49.720 walking around with that one, and I thought you were 0:12:49.720 --> 0:12:51.439 about to say, and that kid grew up to be 0:12:51.520 --> 0:12:57.920 shy la buff Okay, where were we? Okay? Was that 0:12:58.000 --> 0:13:01.720 a Paul Harvey reference? No? No, So they've got their 0:13:01.720 --> 0:13:04.640 plan in place, that the detonators, this blasting company has 0:13:04.640 --> 0:13:06.240 the plan in place, and now they have to actually 0:13:06.679 --> 0:13:10.319 prep the building. Yes, first step in prep is um 0:13:10.480 --> 0:13:13.600 they wash it. Well, they don't watch it. They survey 0:13:13.640 --> 0:13:17.360 the site, they walk through the building several times because 0:13:17.400 --> 0:13:19.160 you don't want to just make a cursory glance. You 0:13:19.200 --> 0:13:21.400 want to do your due diligence. Well, you need to 0:13:21.400 --> 0:13:24.320 clean everything out of there. Even before that, like some 0:13:24.679 --> 0:13:26.720 crew has come through and gotten all the drywall and 0:13:26.720 --> 0:13:28.559 all that stuff out, Like everything you want to as 0:13:28.559 --> 0:13:31.440 empty as possible, take out any non low bearing walls. 0:13:31.720 --> 0:13:34.079 You want to make it easier to tumble this thing. 0:13:34.160 --> 0:13:38.240 Sometimes I'll even uh cut into uh some of these 0:13:38.280 --> 0:13:40.760 support structures to give it a bit of a head start, 0:13:41.120 --> 0:13:44.520 hit it with sledgehammers. Yeah, release a little uh pin 0:13:44.600 --> 0:13:47.880 up frustration, you know, exactly. So then the blasting crew 0:13:48.000 --> 0:13:51.400 comes through, is making note of all this stuff. That's right, 0:13:51.800 --> 0:13:55.040 because they've already looked at the blueprints. But blueprints are 0:13:55.320 --> 0:13:58.320 those are just pictures for college boys. You want to 0:13:58.360 --> 0:14:03.120 get in there and really see what's going on firsthand. Yeah, yeah, exactly, 0:14:03.480 --> 0:14:05.920 because the blueprint, I mean, you know, there could be derivations. 0:14:06.040 --> 0:14:09.960 You never know. Um So, then once you have everything 0:14:09.960 --> 0:14:13.240 cleaned out, maybe weekend, some of the support columns with sledgehammers. 0:14:13.760 --> 0:14:17.680 It's sort of it's not teetering, but mentally it's teetering. 0:14:17.880 --> 0:14:20.360 It's beginning to think about teetering. The building knows like 0:14:20.440 --> 0:14:23.400 a boy, time to come down. My my time is 0:14:23.440 --> 0:14:27.640 limited here. I was accounting achievement once. Um So, then 0:14:27.680 --> 0:14:32.440 the blasters come in. They start loading these columns with explosives, 0:14:32.600 --> 0:14:35.080 um dynamite. If you're using concrete, it's a good way 0:14:35.120 --> 0:14:38.240 to go. Um They drill these holes, they bore holes. 0:14:38.240 --> 0:14:41.640 It's really kind of rudimentary and stuff explosives into them. Yeah, 0:14:41.680 --> 0:14:44.000 and we should say also, um, it's not just a 0:14:44.080 --> 0:14:48.320 guessing game. In most demolitions, from what we understand, they 0:14:48.360 --> 0:14:52.480 will say I picked the support column, maybe probably up 0:14:52.520 --> 0:14:55.280 on like the twentieth floor something like that, rather than 0:14:55.320 --> 0:14:59.480 down low, and they will blast it. They'll attach some 0:14:59.560 --> 0:15:02.400 explosive to and do like a test blast. Yeah. I 0:15:02.400 --> 0:15:04.080 don't think they're trying to blow it up. They're just 0:15:04.120 --> 0:15:07.040 trying to They're trying to do a small charge to 0:15:07.080 --> 0:15:09.200 see how much damage that small charge does and then 0:15:09.240 --> 0:15:12.720 they can predict how much a larger how much amount 0:15:12.760 --> 0:15:15.640 of a larger charge they will need to use to 0:15:16.320 --> 0:15:18.960 like blow the columns up right, or they might blow 0:15:19.000 --> 0:15:21.160 a column, but they'll wrap it in like chain link 0:15:21.200 --> 0:15:24.160 fence and a shield to kind of keep it in 0:15:24.240 --> 0:15:26.440 place and so it doesn't go everywhere and you know 0:15:26.760 --> 0:15:30.800 hurt people obviously. And um, what they want to do 0:15:30.960 --> 0:15:33.400 is and this is covering to know. They want to 0:15:33.480 --> 0:15:36.320 use the minimum amount of explosives that it takes to 0:15:36.320 --> 0:15:38.400 bring this thing down. They don't just go in there 0:15:38.400 --> 0:15:41.280 willy nilly and just say loaded up boys. You know, 0:15:41.360 --> 0:15:43.520 they want to use the smallest amount to still get 0:15:43.520 --> 0:15:46.120 the job done exactly, because if they use too much, 0:15:46.160 --> 0:15:48.160 then you've got a bunch of chunks flying everywhere and 0:15:48.240 --> 0:15:50.880 there's damage the surrounding buildings and people get hit in 0:15:50.920 --> 0:15:54.880 the heads, bad news, lawsuits. Used too little, you've got 0:15:54.920 --> 0:15:58.080 that building still kind of standing, and that's extremely dangerous 0:15:58.120 --> 0:16:00.240 as well, because you have to bring in a crew 0:16:00.320 --> 0:16:04.920 to knock it down like you would a lower, smaller building. Um, 0:16:04.960 --> 0:16:07.600 but it's a tall building that's just kind of half standing, 0:16:08.080 --> 0:16:11.800 and it's it's like a Jenga tower. Now, yeah, that's 0:16:11.800 --> 0:16:13.680 no good. No, that's very dangerous. So you want to 0:16:13.800 --> 0:16:18.960 use the minimum amount, put the right amount. Yeah, Well 0:16:19.000 --> 0:16:22.680 that's one reason the World Trade Center was so dangerous afterward, 0:16:22.760 --> 0:16:27.840 because it obviously it wasn't some controlled implosion, unless you're 0:16:28.120 --> 0:16:31.720 Charlie Sheen and you you know, get on the internet 0:16:31.760 --> 0:16:34.480 and say that it's a government conspiracy. Well he was 0:16:34.520 --> 0:16:40.240 an uncontrolled implosion himself. Wasn't exactly. Uh, but you know, 0:16:40.320 --> 0:16:42.520 nine level is so dangerous to clean up because it 0:16:42.600 --> 0:16:45.080 wasn't done on purpose, so they didn't know what was 0:16:45.120 --> 0:16:48.480 weak and what wasn't and it was pretty precarious getting 0:16:48.480 --> 0:16:51.400 in there and trying to clean anything out, super dangerous work. 0:16:52.480 --> 0:16:56.760 So uh stating obvious, Well we've got the test plast done. Yeah, 0:16:56.840 --> 0:16:59.200 we've got them. Now they're going around and they're they're 0:16:59.280 --> 0:17:01.960 drilling bore holes. Let's say we're doing a concrete building. 0:17:02.320 --> 0:17:04.920 So you got your dynamite. Yeah, And what is dynamite 0:17:04.960 --> 0:17:07.680 is just basically like a kind of a paper material 0:17:07.800 --> 0:17:15.399 soaked in combustible, highly explosive liquid chemicals. Yep. That it 0:17:15.480 --> 0:17:21.560 takes actually am an explosion to explode dynamite. So you 0:17:21.560 --> 0:17:24.520 you might have a fuse. I think if you're demolishing 0:17:24.520 --> 0:17:27.200 and building in N two, you've got a fuse going 0:17:27.240 --> 0:17:30.000 to the stick of dynamite. But in between the fuse 0:17:30.040 --> 0:17:32.399 and and the dynamite is a blasting cap. It's a 0:17:32.480 --> 0:17:35.200 small charge of explosive material that's lit by a fuse. 0:17:35.480 --> 0:17:37.719 That's right, it's a primary charge. And the point of 0:17:37.840 --> 0:17:40.359 using dynamite and why you want to use it in 0:17:40.600 --> 0:17:47.560 um concrete structure column um is that it expands, creates 0:17:47.720 --> 0:17:51.760 a bunch of hot gas all of a sudden, really quickly, 0:17:52.280 --> 0:17:55.919 and when it's doing that inside a concrete column, it 0:17:56.040 --> 0:17:59.560 explodes the concrete column into rubble. Now that will work 0:17:59.600 --> 0:18:03.960 for concrete. But you got yourself a steel structure, you're 0:18:03.960 --> 0:18:05.960 gonna have to use something else called r d X. 0:18:06.119 --> 0:18:08.560 That's right. And I'm not even gonna say the long name. 0:18:08.600 --> 0:18:10.000 I'll try. I don't want to try it, all right, 0:18:10.200 --> 0:18:17.879 you're ready cyclo, try methylene, trying naitramin. Damn, dude. I 0:18:17.920 --> 0:18:19.800 stumbled a little bit in the middle, but I still 0:18:19.880 --> 0:18:21.840 got it done. No, that was that was perfect. I 0:18:21.840 --> 0:18:23.600 mean you look at it and it looks like the alphabet. 0:18:23.640 --> 0:18:26.960 It's such a long word, you know. UM. But yeah, 0:18:27.080 --> 0:18:28.520 r d X will call it r d X, and 0:18:28.560 --> 0:18:29.960 that's what you want to use if you have steel 0:18:30.000 --> 0:18:35.359 supports and UM. If dynamite explodes at a rate of 0:18:35.400 --> 0:18:37.760 about six dred tons per square inch, r d x 0:18:38.400 --> 0:18:44.000 um explodes at about twenty seven thousand ft per second. 0:18:44.240 --> 0:18:47.960 That is like some serious stuff. And you're not exploding 0:18:48.000 --> 0:18:50.600 steel because you can't explode steel. What they're actually doing 0:18:50.640 --> 0:18:54.720 there is they are cutting through the steel, splitting it 0:18:54.760 --> 0:18:59.640 in half thereby weakening it. Yeah, it's like um using 0:18:59.680 --> 0:19:04.360 a lub or a scalpel. Yeah, exactly. Uh. To easy 0:19:04.440 --> 0:19:05.760 to one of these, though, like you said, you need 0:19:05.800 --> 0:19:09.000 a blasting cap. That primary charge the fuse, and the 0:19:09.040 --> 0:19:14.159 fuse is just explosive junk inside of a chord, like 0:19:14.200 --> 0:19:16.760 when you see like the old timey fuses, you know, 0:19:16.800 --> 0:19:20.800 like a sparkler. That's explosive material just packed inside like 0:19:20.960 --> 0:19:23.040 you know, a tight chord. Right, And the whole point 0:19:23.080 --> 0:19:27.040 of the fuse is it's a delays the blast. So 0:19:27.200 --> 0:19:30.720 depending on how you want to sequence your blast, UM, 0:19:30.960 --> 0:19:33.479 you're gonna use varying links of fuses. Again, if it's 0:19:33.520 --> 0:19:38.000 nineteen o two, that's right, Um, And that fuse eventually 0:19:38.040 --> 0:19:39.920 will reach the point where it sets off the primary 0:19:40.000 --> 0:19:42.840 charge and that's where the action happens. UM. These days, 0:19:42.840 --> 0:19:47.199 they use electrical detonators mainly, UM, probably exclusively, don't you 0:19:47.200 --> 0:19:50.320 think I would think so? And that is, you know, 0:19:50.400 --> 0:19:52.200 sort of like a fuse, except it's just it's a 0:19:52.280 --> 0:19:56.359 lead line made of electrical wire, or it is electrical wire. Um, 0:19:56.440 --> 0:19:59.760 You've got your debtonator end where the wire surrounded by 0:19:59.800 --> 0:20:02.919 this explosive material and then that's attached directly to the 0:20:02.920 --> 0:20:06.720 primary charge and then the main explosives and they you know, 0:20:06.760 --> 0:20:09.159 they have some sort of battery device heats up the 0:20:09.160 --> 0:20:12.200 wire and eventually it'll get hot enough to set off 0:20:12.320 --> 0:20:17.119 that junk on the detonator end sets off the primary 0:20:17.200 --> 0:20:20.439 charge triggers the main show, right, Like you know the 0:20:20.440 --> 0:20:23.320 old plunger that they use like in in Bugs Bunny 0:20:23.359 --> 0:20:26.160 cartoons to blow up stuff. You mean when the when 0:20:26.240 --> 0:20:30.800 the mocking bird lands on Italy behind coyotes back and 0:20:30.840 --> 0:20:36.520 it slowly depresses. Um. Apparently that is an electrical um 0:20:36.680 --> 0:20:39.920 detonator where you would have a charge going and then 0:20:39.960 --> 0:20:43.960 you press the plunger and it would release that charge. Um. 0:20:44.040 --> 0:20:46.480 That's the same thing, except we we don't use that 0:20:46.520 --> 0:20:50.320 old timing box and plunger any longer. Um, But it's 0:20:50.359 --> 0:20:53.280 still the same change. It's very gratifying. But yeah, I 0:20:53.280 --> 0:20:55.880 would imagine. I think I wonder if they have fake ones, 0:20:55.960 --> 0:20:59.040 just sort of like a ribbon cutting like that you 0:20:59.119 --> 0:21:01.840 like connect your I phone. Well that actually works though, 0:21:02.160 --> 0:21:04.119 well I'm sure this works to know, but if you 0:21:04.240 --> 0:21:05.800 just have a fake when you like the owner of 0:21:05.800 --> 0:21:07.400 the company is very old school. We have to set 0:21:07.400 --> 0:21:09.080 this up for him so you can push it down. Yeah, 0:21:09.119 --> 0:21:12.520 he loves giant scissors. Yeah, but no, I mean, like 0:21:12.560 --> 0:21:15.200 maybe there's like the little uh, the little remote control 0:21:15.359 --> 0:21:17.280 is in the box and when you press the plunge 0:21:17.440 --> 0:21:20.000 on it pokes the button and the owner of the 0:21:20.000 --> 0:21:25.919 company is like, yeah, exactly, do it again. Wow, that's funny. 0:21:26.000 --> 0:21:29.560 I guess we're both three year olds a part um. Okay, 0:21:29.600 --> 0:21:33.520 So they have to control this sequence sometimes, like maybe 0:21:33.560 --> 0:21:36.040 they don't want the first floor in the twelfth floor 0:21:36.080 --> 0:21:38.600 going off at the same time. Maybe there's a delay 0:21:39.000 --> 0:21:41.719 so they can actually have a delay in the fuse 0:21:41.800 --> 0:21:45.480 areas where the fuse burned slower than others, right, or 0:21:45.520 --> 0:21:48.159 you just like I said, you use longer lengths of fuse, 0:21:48.640 --> 0:21:51.480 you know, um, but yeah, you can put a a 0:21:51.560 --> 0:21:56.520 little you can put say, uh, you could charge a 0:21:56.600 --> 0:22:00.480 fuse and then add a little extra fuse between the 0:22:00.520 --> 0:22:03.080