NICEIC Certification Scheme NICEIC back tomorrow ! Help required please

[Soulsurfer]

Hi all, NICEIC are coming back a.m. to see me for AC upgrade but I have a small problem, as they saw two big jobs last time 3wks ago or less, I can use my place CU upgrade & move for the job this time, problem being I've got EIC for the works I've done and all on RCBO's now but on iCertifi I need supply parameters and origin details. I'm a little stuck here as got Ze at my cu inc PEFC & PSSC but mains room serves 12 flats, is TN-S and through a BS5419 switch fuse which I think is 60A rewirable fuse inside carrier but do I need to do Ze from the DNO line in there to a disconnected main earth from them ? & if so as I can't kill power down there at switch to get cover off or what do I do ? Would we always need to go right to source like this when this kind of arrangement is supplying say flats or HMO's? Also need to find a kA rating on the old fuse down there ?

Thanks anyone who can help !

 

[westward10]

Explain the situation sometimes there are limitations as to what you can undertake, wait for them to pose any questions don't volunteer it.

 

[Soulsurfer]

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Explain the situation sometimes there are limitations as to what you can undertake, wait for them to pose any questions don't volunteer it.

thanks Westward, was thinking I was going to be booted for a fail !

 

[westward10]

No reason why you cant look in the switch is there as it is almost certainly a 3036 and if it is 60A on a 16.0 T&E that could be a problem.

 

[westward10]

I changed it, deleted that bit​

 

[Soulsurfer]

No reason why you look in the switch is there as it is almost certainly a 3036 and if it is 60A on a 16.0 T&E that could be a problem.

So even those big buggers are still 3036 like the teeny board rewirables ? Just smashed big toe nail off so nothing much to cut off lol

 

[Soulsurfer]

No reason why you cant look in the switch is there as it is almost certainly a 3036 and if it is 60A on a 16.0 T&E that could be a problem.

Ahh of course as only 6mm in the T&E for cpc.

 

[ipf]

.....and make sure you aren't wearing those flip flops.

 

[Soulsurfer]

.....and make sure you aren't wearing those flip flops.

Will do ! Ha ha, just checked the sub to the cu in my flat is 16mm twin ! So will be undersized cpc ? Around 8 metres max from mains to my cu

 

[Wilko]

Where is the met ? Does your bonding go through that twin and earth too?

 

[Soulsurfer]

Where is the met ? Does your bonding go through that twin and earth too?

I think it does, as doesn't seem to be any other main earth coming seperately into flat !

 

[ipf]

Well, regarding the t+e supply, a problem could well have arisen with you not having access to replace it, after all the other flats are probably fed in the same fashion. You've improved the flat installation with RCD protection and you're going to contact the building owner/landlord about other improvements asap. Make notes to that effect.

 

[Soulsurfer]

Well, regarding the t+e supply, a problem could well have arisen with you not having access to replace it, after all the other flats are probably fed in the same fashion. You've improved the flat installation with RCD protection and you're going to contact the building owner/landlord about other improvements asap. Make notes to that effect.

Thanks, should I note all that on the certificate ? Just so I have some cert to offer the assessor later this morning !

 

[ipf]

Thanks, should I note all that on the certificate ? Just so I have some cert to offer the assessor later this morning !

If you note it on the cert it'll show them that you know what's required to bring it up to standard. Presume you've bonded.

 

[Soulsurfer]

If you note it on the cert it'll show them that you know what's required to bring it up to standard. Presume you've bonded.

Yes, unfortunately when I moved the board, I found a small 6" max length of twisted tinned copper tucked under base of board position under plasterboard ! Not connected to anything.
Now have 10mm bonds to water main close by as it enters, and to old not in use gas meter main pipe as it comes from underground in road.

 

[ipf]

Just show him you know what's required, then. Good Luck.

 

[Soulsurfer]

Just show him you know what's required, then. Good Luck.

Thanks for the advice / help, much appreciated.

 

[westward10]

Ahh of course as only 6mm in the T&E for cpc.

Not the cpc size but the overcurrent issue once you apply the 0.725 factor to the 3036 fuse.

 

[Soulsurfer]

All done & passed
He went over everything and including the twin and earth sub, but told me that due to all flats being bonded to a gas main riser ( no longer in use but extraneous ) and main water and with all the flats being run in 16mm sq that the 6mm would be fine as there are effectively a large system of parallel paths down to earth and that there are no thermal effect issues of the existing cpc.

 

[westward10]

Well done you can chill a bit tonight.

 

[Soulsurfer]

Well done you can chill a bit tonight.

Thanks mate & all who helped ! Finished messing with certs and tests at 02:30 this morning ! Now I'm off to find cold lager as it's roasting here.

 

[hasel5]

Got my inspection on Monday Just a pain as so busy and a new inspector so will be having to show I can test etc been down this route 5 times now different assessors.

Should be in your notes guy can test so no probs

Rant over

 

[Soulsurfer]

Got my inspection on Monday Just a pain as so busy and a new inspector so will be having to show I can test etc been down this route 5 times now different assessors.

Should be in your notes guy can test so no probs

Rant over

All the best for it mate.

 

[hasel5]

All the best for it mate.

Its a no brainer just a pain in the arse as a day out of my life for a guy to tick some boxes and then flog me insurance courses and all that