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Forums › New Zealand Broadband › Fibre Lead-in trench


276 posts

Ultimate Geek
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# 250767 24-May-2019 16:23
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I'm planning on putting an underground lead-in pipe in for my fibre install and have ordered the green pipe from Chorus. This weekend I'm planning on digging the trench from the street to where I want the ETP to go.

 

My question is how near to the microduct on the street does the trench neeed to be? Unfortunately the microduct is right in front of a garden with trees/roots in the way. I'm not sure i'll be able to dig a  400mm trench that ends up lining up with the microduct, but more likely ending up 1m-ish to the side of it.

 

Will this be an issue?

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4839 posts

Uber Geek
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  # 2244801 24-May-2019 16:38
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I don't think it should matter, but you might need to buy a sweep bend to allow for the 90 degree change of direction.

815 posts

Ultimate Geek
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  # 2244957 24-May-2019 20:02
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It the garden is not too wide you could drive a pipe under the tree roots. Depends how soft the soil is under the garden.

 

I had two places where I could not take the trench to the micro duct.

 

One was 600mm under an automatic gate foundation. In this case I dug a 450mm deep hole (150x150mm) beside the micro duct and on the other side of the foundation I ran my 450mm deep trench up to it. Then I hammered a 32mm plastic waste pipe (with a wooden point) under the foundation.

 

The other was under a 1.2m wide path. Similar situation. Trench 450mm deep either side of the path. Again I hammered a 32mm waste pipe under the path.

 

The 32mm waste pipe had plenty of clearance for the socket end of the Chorus green duct.

 

 




Gordy

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