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Micro tunneling

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Arun VasanthMember for 17 years
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Dear Friends

As every body knows I am in  a STP Project .

I have started working on the Program,Tommorow Iam Startting to Schedule the Microtunneling portion.

I am little bit confused in some areas relating the sequence.

So any body have STP experience please guide me from the Shaft onwarsd..

I am showing the activities by sequence ,If any correction is there please correct it..

1,Secant piling

2.Excavation & Ring beam installation

3.Temporary blinding for jacking

4.Base slab Concreting

5.Thrust wall

6.Microtunneling

7.Manhole Installation

Please help,,,,,,

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5 replies

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  1. 0
    Mike Testro ·
    #1

    Hi Arun You seem to have got

    Hi Arun

    You seem to have got it about right.

    Is it HDD boring?

    Is there any hydrotesting?

    Best regards

    Mike Testro

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  2. 0
    Arun Vasanth ·
    #2

    Yes it is mike   Mike please

    Yes it is mike

     

    Mike please help me to make the sequence...

     

    Regards

    Arun

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  3. 0
    Mike Testro ·
    #3

    Hi Arun You have the correct

    Hi Arun

    You have the correct sequence for each drive - just put a FS link between each task and summarise for each drive..

    It must be deep if you need a piled header - if it is not a permanent structure then temporary steel sheet piles would be quicker and cheaper.

    Bore Lining and Hyrdotesting will  come between drilling and manholes.

    Best regards

    Mike Testro

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  4. 0
    Arun Vasanth ·
    #4

    Thank you mike   Please breif

    Thank you mike

     

    Please breif me about Thrust wall ..

    Base slab is after Microtunneling or before ...

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  5. 0
    Mike Testro ·
    #5

    Hi Arun I have to admit that

    Hi Arun

    I have to admit that I am getting a bit fed up with this exchange.

    It seems that you know nothing about HDD Boring.

    If my advice is not clear enough then ask one of the engineers on your project who knows what to do.

    End of conversation

    Mike Testro

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