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  #2389517 10-Jan-2020 09:53
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Yep!, cool ah


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  #2389524 10-Jan-2020 10:02
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That is awesome @ChorusNZ bahahaha

 
 
 
 


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  #2389525 10-Jan-2020 10:03
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That last image looks fine to me - it has plenty of service loops to ensure service continuity.
You could probably even work on it without a harness, the cables would keep you up there securely.




Anything I say is the ramblings of an ill informed, opinionated so-and-so, and not representative of any of my past, present or future employers, and is also probably best disregarded.


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  #2389674 10-Jan-2020 14:44
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Ha, looks like a Thanos style finger snap has removed the pole leaving the network in place 😋

 

Jokes aside @kiwiharry please follow up on my DM and pass through the address. We need to sort that out because it should not have been left like that.........

 

^Richard


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  #2389808 10-Jan-2020 18:26
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Reminds me of microducts getting tacked to fences



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  #2389979 11-Jan-2020 09:12
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Have sent a DM to @chorusnz

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  #2390599 12-Jan-2020 15:08
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On a shared driveway and have the cable parallel to the footpath and cutting across the driveway entrance. Its sticking out of the pitiful trench, just like in the OP's photo. Doesn't see much foot-traffic across it, but lots of car tires and wheelie bins once a week. All it would take is for someone walking by to reach down and tear it out of the ground (with little effort since its barely patted down with grit).

 

Still a VDSL household at this point...


 
 
 
 


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  #2424175 19-Feb-2020 18:08
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sparkz25:

 

ohhh a top-notch chorus install.

 

Chorusnz:

 

Looks like that's outside boundary, in which case it would need to be more than 200.

 

@kiwiharry please DM us the address and we will get someone on it

 

^Richard

 

 

Heres a page from your own book! so I don't think 200mm going to cut it!

 

Click to see full size

 

 

 

 

@sparkz25 - Where did you get this information from? I'm currently arguing with @chorusnz because they refuse to trench any deeper than 200mm (in reality from what I seen is more like 100mm), which is going to cause problems later on when we put a car park over where the fibre cable is going. If their own documents say it should be 450mm surely that's what they should be doing? I just had a landscaper come and quote me for doing the work myself (~$1500!), apparently they are already encountering these fibre cables in unexpected places and up pulling them up by mistake because chorus lays the cables much too shallow and often in very odd places.

 

...Stefan


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  #2424211 19-Feb-2020 20:14
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Hi, 450mm is what you would do for conduit that would normally be used for a leadin in the past for copper, however for direct buried micro duct (ie black 7mm dia polyetherlyn duct) 100mm is more than adequate as this stuff does not suffer from load compression like normal thin wall conduit.

 

Is the car park to be concreted or bitumined, if so it should not be an issue, if its just bare crusher material then you might have an issue.

 

Cyril


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  #2424215 19-Feb-2020 20:26
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cyril7:

 

Hi, 450mm is what you would do for conduit that would normally be used for a leadin in the past for copper, however for direct buried micro duct (ie black 7mm dia polyetherlyn duct) 100mm is more than adequate as this stuff does not suffer from load compression like normal thin wall conduit.

 

Is the car park to be concreted or bitumined, if so it should not be an issue, if its just bare crusher material then you might have an issue.

 

Cyril

 

 

Thanks. Car park will be paved with bricks so I assume there would be a layer of 100mm of small stones or whatever they put in these days below the sand then paving. Carpark is likely to be 200+mm below the current level of the ground, in part because the ground level is higher than it should be due to previous landscaping work. I'd think we'll have to get a digger in to do that, and I'd be worried about the cable being pulled up at 100mm. 500mm would be pretty safe. I think unfortunately we'll have to pay someone to do it because it also involves going under a small amount of existing paving and chorus want to cut our pavers, which would make it a bit difficult to repave in future :-(

 

Stefan


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  #2424217 19-Feb-2020 20:27
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@sm250

 

its here: https://www.chorus.co.nz/help-and-support/digging/what-trenching but i believe that its more aimed at if you are doing it yourself or you are a developer rather than chorus/their contractor doing it.

 

this is what ISP's send out: https://www.chorus.co.nz/help-and-support/fibre-installation/fibre-installation-methods

 

i dont know why they have different standards/suggestions when you do it yourself vs when they do it


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  #2424237 19-Feb-2020 20:50
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cyril7:

 

Hi, 450mm is what you would do for conduit that would normally be used for a leadin in the past for copper, however for direct buried micro duct (ie black 7mm dia polyetherlyn duct) 100mm is more than adequate as this stuff does not suffer from load compression like normal thin wall conduit.

 

Is the car park to be concreted or bitumined, if so it should not be an issue, if its just bare crusher material then you might have an issue.

 

Cyril

 

 

450mm is what they say in their diagram and thats how it should be (you don't bury the mains cable to your house at 100mm do you)

 

100mm is just asking for trouble, doesn't matter if that stuff is a ruggedized micro duct it still wont beat my spade at 100mm!

 

This is what they use to install the Micro duct at 100 mm https://www.youtube.com/watch?v=EzFVmA0bX3k and the main reason for the 100mm depth and the trenching spade is the speed at which you can install the microduct.

 

 

 

https://www.youtube.com/watch?v=efVPDKHi08s just look at how long it takes thig guy to run this pipe.

 

 

 

 


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  #2424242 19-Feb-2020 20:53
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I'd never drop anything shallower than a spade depth, and if you're digging down a single spade depth, it's only a little bit further to 450mm. The only reason 100mm is fine is because the cost to get it down to 450mm is much higher, with additional work usually required and increased risk of hitting other services. It's a cost cutting measure I don't support, much like the fence attached installs. If you're going above ground, do it properly and do an aerial entry.




Anything I say is the ramblings of an ill informed, opinionated so-and-so, and not representative of any of my past, present or future employers, and is also probably best disregarded.


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  #2424244 19-Feb-2020 20:54
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Jase2985:

 

@sm250

 

its here: https://www.chorus.co.nz/help-and-support/digging/what-trenching but i believe that its more aimed at if you are doing it yourself or you are a developer rather than chorus/their contractor doing it.

 

this is what ISP's send out: https://www.chorus.co.nz/help-and-support/fibre-installation/fibre-installation-methods

 

i dont know why they have different standards/suggestions when you do it yourself vs when they do it

 

 

My guess is to save on costs. They figure that having to fix up a lot of pulled up cables over the next 20-30 years still costs less than doing the job properly in the first place. I can see my neighbour's fibre cable being pulled up easily. It's placed right next to a concrete post for a rickety sort of a fence/screen thing that I imagine any new owner of that house would immediately pull out. Not being aware there is a fibre cable there they would pull the fibre cable out as well. My understanding at this point is that chorus are fixing these for free. But I can't imagine that will last forever.


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  #2424247 19-Feb-2020 20:56
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Hi, Sparks you are quite correct, however, you bury any service at an appropriate depth when you are free to dig up the property as a new in development situation.

 

However, when you are retro fitting cabling to an existing cultivated property, you clearly must make compromises. I know this very well having had to trench in 40m of duct to get fibre onto our new property.

 

The original chorus 20mm duct only went to the cottage at the road front, the main house has direct buried 049 under the drive from the cottage.

 

To install 40m of conduit without the occasional resort to some level of shallow trenching to work around existing plantings and garden features etc was a mission, and where possible conduit was trenched to 400-450mm, but its not as easy as "this way or no way"

 

Cyril


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