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Old 03-29-2014, 09:24 PM
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bobcat_ron bobcat_ron is offline
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Filling in an Erosion Arc

A while back, some people started noticing erosion happening along the river in our quiet cow town, and since it was so close to the flood dyke, it had to be filled in before the June weather warms things up in the mountains.
The arc was created by the river current bouncing off a sand bar up stream, and it was gouging out bit by bit until it was too late.
I started taking pics and video since late January, and they are now wrapping up.
It's fun to watch other people work for a change.



This was a sub-contract company since the contracted company was tied up else where, some seriously old and tired iron here:



I'd show up every once a week, and after a month, I think I had the company convinced I was a spy.


Nice shiney Cat 349E.


Getting there.


This company used an old truck rock box to get the rock from barge to the dyke, pretty neat.


And we had some snow.



Then on my next visit, the company brings in their own equipment.


And the river came up, and sucked away more land, time to get the lead out.


Barge number ?????


They have this sweet clam shell box that holds more than the previous company and has more accuracy.


And more iron showed up.




Then, most recently, they added an access road with yet more iron to backfill with engineered fill.



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Old 03-29-2014, 10:20 PM
anthonyp anthonyp is online now
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Nice pictures. Thanks. Tony
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  #3  
Old 03-30-2014, 09:29 AM
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AEL AEL is online now
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Quite the job there! What town is this?
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Old 03-30-2014, 10:45 AM
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Quite the job there! What town is this?
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Abbotsford.
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Old 03-30-2014, 02:00 PM
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absolutely great pics ron. I'm amazed at the weight on that barge. I can't tell from the pics but did they build a coffer dam to work in a dry area or are the rocks just piled in the water?
Thank you for sharing. It's quite beautiful up there.. looks like a pleasant place to work.
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Old 03-30-2014, 02:28 PM
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They started building the dyke on the upstream side and as they went along, they kept a large size opening on the downstream side to chase the water out, there were monitors from the Ministry of Fisheries and since it was being done on tribal fishing grounds, a rep from the Sto:lo First nations band was there to keep everything on the good side, they just napped in their trucks mostly.
Some of the video I have shows the first crane dumping a bunch of loads in front of the dyke, that was done to "carpet" the actual bottom of the river bed with a couple feet of rock to prevent under-dyke erosion, which is what most likely caused this arc to form, as well as 4 other arcs down river.
When the edges of the river were rocked back in the 70's, all they did was drop rock on the edge to armour it, no thought was given to "carpeting" the bottom.
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Old 03-30-2014, 04:58 PM
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https://www.youtube.com/watch?v=jYhsJ8Be-a4
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Old 03-30-2014, 05:13 PM
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4 seasons lawn&land 4 seasons lawn&land is online now
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Pretty cool. If it's a little cow town, they must really be hurting after that bill.
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Old 03-30-2014, 06:29 PM
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Pretty cool. If it's a little cow town, they must really be hurting after that bill.
The Federals are paying for this one, just like the dyke upgrading back in 2007.
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Old 03-30-2014, 07:26 PM
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Does your family do this type of work, Ron?
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