Fibre lead-in damaged - Not 300mm deep

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#1440664 4-Dec-2015 17:43

Chorusnz: The 300mm depth referred to in other posts is for 20mm PVC duct.

If the ruggedized duct was laid using a slit-trench (alongside the path edge) then it should be 200mm deep, which is acceptable practice. However, as the OP has discovered it requires very special attention when waving a spade or shovel around. If you are considering overlaying the duct route with 20mm green duct, then you can find the lay recommendations online at: https://www.chorus.co.nz/land-development/subdivisions/installig-underground-telecommunications-lead-ins-for-urban-premises the standard depth should be 300mm. Once the new duct is in place you can call 08004network and ask for the lead-in to rerouted via the new buried duct.

^GL

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whats the recourse given it was not buried that deep and now its damaged. give from their account they were being careful, its just that the ducting was only 80mm deep.

webwat

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#1440783 4-Dec-2015 23:21

No ducting as such, although its a ruggedised microduct its basically treated as a direct-buried cable. Chorus found it was too expensive to put pipe into deep trenches at brownfields sites that had often always had direct buried cable or damaged pipes.

Time to find a new industry!

richms

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#1440785 4-Dec-2015 23:25

Well now you have admitted that you were the one that damaged it on a public forum......

Im going to have to babysit the installers for my sisters place next week. I will be watching how deep it goes.

Richard rich.ms

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#1440796 5-Dec-2015 00:20

the UFB ducting to my house from the street is all above ground - installers never bothered to bury it.

doesn't really bother me though and it doesn't affect the service, so whatever...

Chorusnz

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#1440907 5-Dec-2015 10:15

Have DM the OP to get contact details. It appears this is something we need to look at.

^GL

DarthKermit

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#1440910 5-Dec-2015 10:25

I installed my own conduit across our front lawn and buried it 500 mm down. I didn't want it attached to fences or buried so shallowly that one of our cats could probably dig it up.

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Darren0

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#1440935 5-Dec-2015 11:54

I raised an issue very similar to this to UFF a couple months ago, mentioned installation is unsatisfactory if this was the case. Contractor showed up, said the installation was piss poor, reinstated internet connection, another team came later to redo it properly and all was solved, no cost to end user.

eftpos

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#1440938 5-Dec-2015 12:07

So got a chance to measure properly this morning.

eftpos

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#1440939 5-Dec-2015 12:11

richms: Well now you have admitted that you were the one that damaged it on a public forum......

Im going to have to babysit the installers for my sisters place next week. I will be watching how deep it goes.

No problem admitting that it was my fault. My problem is that if it were buried at the correct depth I wouldn't have even hit it in the first place. I'd set my depth to 100mm for the irrigation piping (knowing that the fibre lead-in would have been at least 200mm deep)

raytaylor

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#1441598 6-Dec-2015 21:57

eftpos:
richms: Well now you have admitted that you were the one that damaged it on a public forum......

Im going to have to babysit the installers for my sisters place next week. I will be watching how deep it goes.

No problem admitting that it was my fault. My problem is that if it were buried at the correct depth I wouldn't have even hit it in the first place. I'd set my depth to 100mm for the irrigation piping (knowing that the fibre lead-in would have been at least 200mm deep)

Three questions need to be answered here

1) Is there a council requirement to bury the fiber at a minimum depth.
No, once they come off city property, it can be any depth
Which leaves us with

2) What is the standard that chorus has set for its contractors?
If chorus mandates 300mm then clearly chorus needs to get its contractors back out to fix up their job. Thats between chorus and the contractor.
and

3) What led you to believe that it is to be buried at the depth you thought?
Clearly if chorus post on their website or a contractor told you that the installation will be done to a depth of 200mm or more, then obviously you are not liable for hitting their network infrastructure at 80mm as you signed off on the paper work.

I am not sure if self amalg tape will be suitable - the chorus installer dude should be able to clarify if it needs a proper joiner.

Oh and when I had a UFB connection installed, did I see the contractor joining an earth or messenger wire within the connector? I am sure I saw him joining it using some metal gause. I didnt ask but is there a metallic path along the microduct? If so, could it be detected with a metal detector?

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#1441766 7-Dec-2015 08:55

eftpos: So got a chance to measure properly this morning.

Does your wife know what you do with her sewing gear when she is not around?

Matthew

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eftpos

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#1441770 7-Dec-2015 09:05

Chorusnz: Have DM the OP to get contact details. It appears this is something we need to look at.

^GL

DM Sent

surfisup1000

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#1441778 7-Dec-2015 09:21

They didn't even bury our cable , half the length just sits on top of the soil. At least we can see where it sits.

chevrolux

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#1442311 7-Dec-2015 19:30

The first of many many issues to arise from Chorus taking huge shortcuts on UFB installs.

This sort of damage has been happening to the copper network for a long long time all due to sub-standard installs from 20-30 years ago.

"Rugged" microduct is nothing more than normal micro duct with a few more mm sheathing on it. There is no way it should ever have been direct buried! Lead alone tacked on fences, up driveways etc. For a two billion dollar network it is being built like something you would expect in Vietnam.

@raytaylor - Yea it does have a foil wrap that is used for location so when installers joint the microduct they keep it going with some aluminium gause tape.

DarthKermit

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#1442313 7-Dec-2015 19:37

You reckon it'll be another leaky homes FUBAR/SNAFU in a few years' time?

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