Archive for the ‘Westchester approach span’ Tag

ICYMI: TZB Deconstruction & SUP Construction

Now that the Tappan Zee Bridge is disintegrating piece by piece (photos of steel plate composition above and hammer drill below courtesy of the New York State Thruway Authority), and the new path is underway for a (date unknown) opening,

it’s time to resume walking. The distance will be more than 3.1 miles when you include the Westchester and Rockland landings.

How will traffic on the 12-foot-wide path be monitored? Suppose a walking group set out for a stroll one morning and meets a group of bicyclists heading in the opposite direction? How will they navigate their respective strides and directions?

Time for me to start walking again and prepare for the new 12-foot-wide concrete path without shade. Maybe bring an umbrella?

I’d like to know what you think.

Copyright © Janie Rosman and Kaleidoscope Eyes 2019

Flashback Friday: Two Years Ago Today

early-august-2016

This photo was taken in early August, when the towers were nearing their eventual heights. The new bridge is more even (less grade) so trucks won’t have to do what my neighbor calls “stop for air,” referring to their use of air brakes and shifting as needed on the current bridge.

Assembled more than 15 months ago, blue jump forms will be repurposed./© H. Hackson

Assembled more than 15 months ago, blue jump forms will be repurposed./© H. Hackson

You see a construction vehicle, right? Now look closely at what’s ON it.

Crews continue removing the self-climbing forms that helped build the main span towers during the past 15 months. They’re driven off the bridge — the westbound span is connected to land — to be repurposed.

I’d like to know what you think.

Copyright © Janie Rosman and Kaleidoscope Eyes 2018

Soon to be Gone: TZB Main Span Removal Ahead

You can see the future in these photos; the two below are courtesy of the New York State Thruway Authority. It’s getting close to that time, folks, when the Tappan Zee Bridge will cease to be yet will remain forever a part of the area’s history.

There is it, that cut in the main span truss. Good to know parts of the bridge will be repurposed to state and local municipalities; a little eerie to realize this day, so far into the future nearly six years ago — during my first bridge meeting at the Quay Condominium in Tarrytown — would finally arrive.

Seven months ago, the last car drove its 3.1 miles. The ginormous crane returns to help crews remove sections from the bridge’s main span. Moving forward, they continue to installing precast concrete deck panels near the Westchester landing and pouring concrete there.

Yesterday was eight miles. It’s more than three miles one way and the same walk back or there’s the Lower Hudson Transit Link.

I’d like to know what you think.

Copyright © Janie Rosman and Kaleidoscope Eyes 2018

Eastbound Span Increases as TZB Decreases

This photo showing the angle we see from the other side (while heading west) is straight from the project’s newest tower webcam via EarthCam® construction cameras. If you click the photo, then you can see the I Lift NY setting structural steel near the Westchester shoreline.

Been a while since I posted: while I was away getting a new hip joint, the super crane’s been busy! Last weekend it was installing deck panels on the eastbound span so that you and your vehicle will have a safe ride. President Barack Obama and Governor Andrew Cuomo both talked about holes in the Tappan Zee Bridge’s roadway.

“At times you can see the river through the cracks of the pavement,” Obama said during his May 2014 visit to Tarrytown. “Now, I’m not an engineer, but I figure that’s not good.”

“They keep doing these patch jobs on the Tappan Zee Bridge, including those very heavy metal plates over holes in the Tappan Zee Bridge,” Cuomo said during remarks to the North America Building Trades Union’s Legislative Conference in April 2016.

“And when you go over the heavy metal plates, you see the truck in front of you bounces just a little bit, and then you see a little light coming through from the corner of the plate,” he said. “I would always take my seat belt off when I was going over the Tappan Zee Bridge. I was getting ready to swim, I would take off my shoes, and I would open the window. I was ready.”

In the above photo, courtesy of the New York State Thruway Authority, cranes are installing said deck panels. They’ll be interlocked via their hairpin reinforcing steel bars, after which reinforcing concrete will be poured between the spaces (around the steel) prior to the final driving surface.

Enough excitement for now. Check back later for another blog post. Self-promo: my article about infrastructure, the new bridge and federal spending will go live next month in a national magazine.

I’d like to know what you think.

Copyright © Janie Rosman and Kaleidoscope Eyes 2018

Girders and Concrete make News this Week

Here’s a close-up of one of section of the approximately 50,000 tons of structural steel on the 196,416-inch long bridge’s approach spans. Above is the Westchester side.

They’re huge. HUGE.

Imagine seeing one of the six barges that accidentally came loose after last week’s storm and floated down the river to a town or village, maybe near you.

This week, crews will be installing them on the eastbound Rockland approach span using mobile cranes. The I Lift NY super crane gets to sit on the sidelines for this job.

Lots of concrete pours in the works, too, for the eastbound span’s abutment in Rockland and for the new state police facility in Tarrytown. Work continues on the Thruway Authority’s new maintenance facility.

I’d like to know what you think.

Copyright © Janie Rosman and Kaleidoscope Eyes 2016

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