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Is that steel work in the first picture essentially forms for the caisson rigs since they are on the river bank's slope?
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 Apparently for the drivers (vibtrators) not the drillers (the last of which was being packed up today). I can hear the vibrator putting the sheet piles from my office - on Clark . |
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Sept 15
Vibrating the sheep pile to drive it in - I can hear this in my office on Clark (4 blocks down the river)  The guide is nailed down by the 2 smaller tubes (in back) which appear to be weleded in place. The 3 openings then have the larger tubes vibrated and pounded in.  Tubes that will be vibrated in, then pounded the last bit ?  the business end of the pounder.  not sure what the caps are for - would fit the big tubes  More pieces - cut up form - I guess they are custom built on each site.      Our friends from Wisconsin.  |
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September 18, 2017
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Sometimes you just need a little room to work ....
I think I have figured out what the poles and frames are all about. CASE put in the permanent foundation work, but now Walsh needs some temporary work space ... so they build their own. Sept 22  Sept 28 Adjusting it ... one end would be lifted slightly and a small crane would tug or push it a bit.   Sept 29 Taking shape  Patching the home-made double beam that has obviously seen use before.  We don't need WD-40 ! The cross members are also re-purposed beams note how they are welded to the double beams that sit on the capstans on the pounded round pipes.  Finally satisfied with the positioning - welding it to the capstan.  Almost done    |
amazing photos harry
and damn interesting massive temporary support structure. Thanks for your continued work |
September 29, 2017
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I'm sorry, what is that they are building with the beams?
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^ Would be nice if they re-used those beams to then build another bridge connecting Wolf Point Plaza with Canal St.
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October 4, 2017
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Wow, Chicago's own temporary boardwalk. Over half a million dollars and a lot of time to build a hundred yards of access road, but I can see now why they need it. The parking pit is going deeper, leaving no space for equipment to get in and out, and the riverbank was too steep without this bridge. Very interesting!
This makes me wonder what kind of crazy gymnastics will be required when its time for the south tower. Surely they will need a barge to access it. |
What a beautiful scene
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interesting. thanks
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150 is still my favorite of the new ones built, until Vista is complete!
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Oct 4
Getting down to that good Chicago clay   Follow the yellow plank road ....   |
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^ All that shot tells me is that we need a tower at Fulton and Canal to completely wall in the river :)
Great pics Harry! |
^ Would be nice if we saw a new proposal for the SE corner of Jefferson and Fulton. I quite liked the one JDL had previously shown that was shut down by Reilly. Would have filled out that view nicely.
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Mano! Did they hit an underground tunnel... no just rain? Get out the pumps
http://www.chicagotribune.com/news/c...412-story.html |
Man, hope those excavators are waterproof. I wonder how long that will set the project back...
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Wow! We got a lot of rain sure, but I don't have ponding in my yard like sometimes happens. How much is the river up?
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That's gonna be a costly screw up. How do they not have pumps down there.
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Just drove by and they’re pumping out now. Whoops lol.
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Those excavators are totally trashed. This is gonna cost a few million for them. Bummer
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CAT excavators range in price from about $100,000 to more than $850,000. The price depends on the size of the excavator, its weight, horsepower, and other features. Small CAT excavators range in price from $100,000 to about $230,000. These models weigh about 26,000 to 55,000 pounds and have horsepower ranging from 79 to 188. Medium-sized CAT excavators cost $230,000 to $270,000. They weigh about 65,000 to 80,000 pounds and have horsepower ranging from 204 to 268. Large models start at about $400,000 and run upwards of $830,000. The offer 380 to 523 horsepower and weigh between 100,000 and 200,000 pounds. Demolition models weigh in at about 105,000 to 218,000 pounds with 270 to 530 horsepower. They're also the most expensive, ranging in price from about $387,000 to upwards of $850,000. Keep in mind that the prices above are manufacturers' suggested retail prices. Actual prices can vary from one dealer to another. And any custom features or upgrades you select will add to the total price. http://www.costowl.com/b2b/excavator-cat-cost.html |
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https://suntimesmedia.files.wordpres...2718.jpg?w=701 https://suntimesmedia.files.wordpres...pg?w=768&h=768 |
The problem with cleaning them is that they will have sat there with sewer water in them for a couple days. The rust is going to ruin the engines totally, and I wasn't just counting in the excavators into the few million. Cleaning up the site and the man hours wasted was tallied in to my guesstimation on the cost.
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It looks to me that the river simply overtopped their wall. And even if they'd had pumps running, it wouldn't have mattered.
I can't find any flood stage data for the main stem. Anyone know where it topped out at relative to previous crests? |
Wolf Lake
Oct 13
   Oct 14 The view from 150 N River - on a rainy Open House Chicago  Oct 15  The river is up.  Now you can call it a bridge  |
Well that doesn't look good.
How does that still happen? Just lots of rain? Or did the city screw up with the locks and let water in from the lake? I've actually always wondered whether the Army Corps of Engineers needs to come back and re-dredge the river at some point to keep it flowing the way they've made it flow. Or do they do this regularly as maintenance? |
Since someone seems bound and determined not to add any context...
Like much the rest of the region this weekend, downtown Chicago got something like 4 inches of rain on Saturday alone. Record Rainfall Floods Chicago Area Heck, across the lake they had to drain a million gallons of water out of Waldo Stadium in Kalamazoo: http://image.mlive.com/home/mlive-me...60ad7e31e0.JPG Kaytie Boomer It was simply too much water too quickly, that's all. Flash floods. |
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Also since they don't have a ramp, they can't easily move the equipment out of the pit. Seems like that should have been factored into the staging somehow. |
Oct 16
Pumping out  Drying out  Ready   |
A couple hours of pumping and mostly back to normal.
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I walked by at 5pm and it looked like nothing ever happened regarding the rain. Not sure if the equipment would agree, but at least the water was gone quick.
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Oct 15  |
October 16, 2017
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October 25, 2017
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^That's gonna be a deep hole.
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