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 Author: crow
PostPosted: Sun Dec 20, 2015 2:44 pm 
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The hoped for opening of the northbound lanes for Monday, Dec 21, will not happen despite crews working through the weekend, there have been just too many delays. Below is a summary of the weekend work, delays resulting in a change of plans and a new projected opening date.

Friday morning the concrete factory at SW Transit broke down delaying again the completion of the barrier wall between the northbound lanes and the sidewalk but by early afternoon the concrete was flowing again. Also delayed again was the installation of the water pipe that runs the length of the bridge on that east side of the bridge under the sidewalk and barrier wall. Readers of my articles may remember that the removal of the old asbestos coated water pipe was delayed because of a lack of the necessary permit for removing asbestos thus delaying for 2 days the closing of the old bridge for demolition and the beginning of the 220 day countdown for bridge reopening on the 18th of December.

The photo above shows work continuing while waiting for concrete. The loader is delivering propane tanks and heaters for the next pour. Note the worker standing in the trench to the right of the loader and the silvery moisture barrier covering the concrete end of the bridge that tied the ends of the girders and the abutment together.

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By Saturday afternoon as the concrete was flowing again the traffic barrier wall was completed using the bucket and tractor with each bucket being carried to the far end of the bridge because access to the south end of the bridge is limited.

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Also by Saturday afternoon the trench had been filled with a slurry of sand, portland cement and hardeners and described to me as being like quicksand when fresh but hardens very hard and creates a base for asphalt.

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Sunday a new trench was dug for the water pipe crossing under the highway which will turn and run the full length of the bridge. The water line will take a considerable length of time to install as it has to be attached to the side of the bridge as the attaching mechanisms get installed.

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The view from the south end of the bridge show work even farther behind.

The plan is now to have only the southbound lanes open by December 30 due primarily to delays resulting in the water line being behind schedule as noted above. I was told that the asphalt is temperature sensitive and the weather must be 40 degrees and climbing on the day that the approaches to the bridge, 200 feet at the south end and 300 feet at the north end are placed.

Since the new plan is to open the south bound lanes and sidewalk first, the street lights electrical conduit must be installed at the base of the barrier wall, the barrier wall concrete forms built, the barrier wall concrete placed and the pedestrian anti jumper fence started and completed and street lights installed.


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 Author: JE1947
PostPosted: Mon Dec 21, 2015 8:29 am 
Bridge work is complex. Local equipment break downs seem to be one of the constant problems. Weather is unavoidable. This is a well managed project and hard working people. The managers are looking for every way possible to slide around logjams and keep the momentum going. We're fortunate weather problems aren't extreme. I stop by to see the progress. A new bridge will be great. Just a bit more patience. Go down and shake someone's hand. They appreciate being appreciated.


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