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Old June 4th, 2009, 01:25 AM   #341
undergroundhousecom
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Thanks.

Quote:
Originally Posted by harryc View Post
Underground you are putting up some really nice shots, great photographs from new angles with new compositions.
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Old June 4th, 2009, 01:36 AM   #342
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June 3, 2009

The Legacy is a nice addition to Chicago's skyline

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Old June 5th, 2009, 07:57 PM   #343
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Great shots through the structure at Millenium Park.
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Old June 8th, 2009, 11:37 AM   #344
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June 7, 2009

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Old June 8th, 2009, 11:42 AM   #345
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June 7, 2009

Gospel Fest, Millennium Park

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Old June 8th, 2009, 06:35 PM   #346
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^ Fun stuff!

-----

6/6

image hosted on flickr
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Old June 14th, 2009, 02:22 AM   #347
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June 8

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Harry C --- Picassa ---- Web Shots

“War is where the young and stupid are tricked by the old and bitter into killing each other.”

--Niko Bellic
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Old June 15th, 2009, 07:22 AM   #348
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6/14

With mini-Trump:

image hosted on flickr



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Sullivan!

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image hosted on flickr



image hosted on flickr



image hosted on flickr



image hosted on flickr
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Old June 15th, 2009, 12:35 PM   #349
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awsom like the old fasades.
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Old June 21st, 2009, 09:00 PM   #350
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new update video online

Hello Friends and Skyscraper fans,

its been a bit over 2 months since my last update for Legacy and so here is my newest one for it for you all to enjoy in High Quality:

http://www.youtube.com/watch?v=cKkhE9QTyrI

Music: Cosmic Gate feat. Emma Hewitt - Not enough time (Andy Duguid Remix)

Relax and have a good time
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Old June 28th, 2009, 12:44 PM   #351
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6-27



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Old June 28th, 2009, 07:58 PM   #352
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Nice.
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Old June 28th, 2009, 08:03 PM   #353
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June 24


June 26
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Harry C --- Picassa ---- Web Shots

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Old June 28th, 2009, 10:33 PM   #354
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Here's a few pictures that I took yesterday while I was at the Taste of Chicago. Enjoy!

image hosted on flickr


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Old June 29th, 2009, 09:33 PM   #355
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6-28





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Old June 29th, 2009, 09:39 PM   #356
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OMG!!!!!!!!!!!!
I never see this building before.
I love this building.is realy beautiful.
Congratulations
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Old July 1st, 2009, 06:08 AM   #357
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6-30

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Old July 6th, 2009, 09:44 AM   #358
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Protection Screens
1 June 2009
Concrete International

Making high-rise construction safer and easier

On every project, building contractors have the same concerns-keeping the schedule, dealing with the elements, protecting workers-and when the structure is a skyscraper in a busy, congested city, these concerns take on even more importance. For the builders of the Legacy at Millennium Park, a luxury condominium residence in Chicago, IL, the harsh weather and close proximity to other structures made the project particularly challenging.

When completed later this year, the 72-story tower will feature 355 apartments, along with parking, retail facilities, and the School of the Art Institute of Chicago. Among the building's unique features is its glass-wall architecture providing floor-to-ceiling windows in the residences and a design that curves in plan and tapers with elevation.

ENCLOSING THE WORK ENVIRONMENT

To help ease these construction challenges, Walsh Construction, contractor for the Legacy, wanted to create a closed working environment on the tower that would protect workers from Chicago's wind and ensure worker safety while maximizing production levels. Because of the building's special design features, any system used would require reconfiguration as construction progressed up the building.

Walsh Construction chose to use Xclimb 60 Protection Screens from Doka USA, Ltd. The system provides protection for the working floor and up to three floors below. The room-high enclosure provides complete protection around the accident-prone edges of the slabs where edge falsework and column-forming operations are performed.

In this safe, comfortable working environment, the workers on the Legacy project were able to move about freely without fear of falling, while being shielded from Chicago's high winds. The Xclimb 60 Protection Screen's modular panel system easily adapted to the building's challenging design and allowed work to proceed on schedule.

The following photos illustrate how this protection system was used on the project.

Selected for reader interest by the editors.

-Doka USA, Ltd.

CIRCLE 51

The versatile Xclimb 60 system can be configured as a climbing wall formwork system or the protection screen system shown in this illustration. Also shown is the integral loading platform feature. Formwork or other materials can be placed on the platform that sticks out from the face of the protection screen so the crane has access to lift the materials to the current working level

For the Legacy project, the protection screen panels were preassembled at a Doka facility to save time and reduce labor costs. The facing material can be changed to suit local conditions for the amount of protection from the elements. During warmer construction seasons, a screen material can be used to allow air flow. In this application, solid metal siding was used to provide relief from the cold temperatures and high winds prevalent during construction of this Chicago high-rise

Due to the Legacy's close proximity to other buildings and train tracks, extreme precautions were taken to safely transport material from trucks at the ground level. Because there was no room on the ground to position equipment or deliver material, a staging level was set up on the 15th floor. From this level, the Xclimb panels were easily positioned

As individual panels of the protection screen were swung into position, they were joined together using steel brackets and removable drift pins. Connecting two panels together to form a protection shield unit in this manner created a very robust, sturdy system

Once positioned, the protection screens provide a safe working environment for forming the next slab level, placing reinforcement, and placing and finishing the slab. Workers can move around freely, without the distraction of being able to see over the edge of a floor several hundred feet off the ground. After the slab is cast, the screens can be lifted to the next level using the crane or a hydraulic ram system can be used to free up crane time

After the slab gains strength, removable anchors are embedded in the concrete about 19 in. (480 mm) in from the edge of the slab to provide a connection for floor-mounted supports. These supports transfer both vertical and horizontal forces from the protection screen into the floor slabs and also guide the screen unit as it's raised from one floor to the next. Because the supports are located on three slab levels, the screens are always supported from at least two levels, even during lifting

The floor-mounted supports also form an integral part of the manually repositionable hydraulic cylinder lifting mechanism that clamps onto the vertical screen support. The mechanism at the top of the cylinder clamps onto and engages the hooked lug on the blue screen support. After lifting, the cylinder is lowered slightly so the pin on the floor-mounted support engages a hooked lug. With the floor-mounted support holding the screen, the upper mechanism can be repositioned to a lower hook, and the process is repeated in 1 ft (300 mm) increments until the screen unit has been raised to the next level. The one hydraulic unit and four hydraulic cylinders needed to raise two protection-screen units are moved to the next lifting position after the lift is complete
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Old July 7th, 2009, 04:18 AM   #359
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Old July 10th, 2009, 09:36 PM   #360
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argh, wonderful photos harryc........didn't really spot this in Oct when I ran the marathon, but great to see it making such an impression on the skyline, and also the Buckingham Fountain back in action.
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