TBM Launch

party-chef · 2016-01-23T00:17:00Z

TBM at Headwall, the cutterhead is in the entry seal, the rings coming out the back are called blind rings and are pushing off the thrust frame. Here is the kicker plate to get the gun set up where it can see the machine targets before mining starts. BS is target between tunnel and exit seal. FS is TBM target. FS for navigation is controlled with an LED shutter, the system shoots two targets and calculates a vector between them to position the machine along with an inclinometer Here is the navigation interface. Here is the cab. Here is the temp bracket for hanging from the crown with the first tunnel point, temporary control for mining purposes. With the TS. Making progress. Now the machine is sunk and we can begin to build our control network. Installing a catwalk bracket. Painted and ready. A post for the conveyor side, we have another style bracket for this side also but they are a pain to put up so I prefer these.

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Strictly Surveying

Last Post by party-chef 10 years ago

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party-chef

(@party-chef)

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gschrock, post: 366335, member: 556 wrote: Are ya'll working on the North Link up past UW or at Northgate?

We started mining at Maple Leaf Portal up by 92nd and I-5, mined through Roosevelt Station at 65th/Roosevelt, University District Station at 45th/Brooklyn and to University of Washington Station at Husky Stadium.

Going north from MLP is all above ground and part of other phases/contracts.

http://www.soundtransit.org/Projects-and-Plans/Northgate-Link-Extension/Project-updates

Posted : April 10, 2016 5:04 pm

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TBM Launch

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