Electrical Query Number Two
Discussion
I visited a property recently that is currently divided into two dwellings.
There is one mains supply cable that is split into two 100amp circuits with there own meters.
This work was done by the supplier 6-years ago - although only one seal was put on the 100amp fuses.
Now, the client is wanting to subdivide into three dwellings - creating a new Studio apartment. The property fabric was designed to allow this and the works to divide the building are very straight forward.
However, the electrics are, imo, going to be a headache. For various reasons the heating and hot water need to be electric. So the load on the new 'circuit' is going to be greater than the other two.
My initial thoughts are that the local supplier - it's London so EDF - will need to install a third 100amp fuse and meter. A new consumer unit will then be needed etc... It's this extra 100amp fuse that concerns me. Before I waste anyones time on site - and my time dealing with EDF - is it possible to have a third 100amp circuit off this single phase supply?
I'm not sure of the size of the incoming mains cable but can get the outside diameter of EDF's cable measured easily if it is needed.
There is one mains supply cable that is split into two 100amp circuits with there own meters.
This work was done by the supplier 6-years ago - although only one seal was put on the 100amp fuses.
Now, the client is wanting to subdivide into three dwellings - creating a new Studio apartment. The property fabric was designed to allow this and the works to divide the building are very straight forward.
However, the electrics are, imo, going to be a headache. For various reasons the heating and hot water need to be electric. So the load on the new 'circuit' is going to be greater than the other two.
My initial thoughts are that the local supplier - it's London so EDF - will need to install a third 100amp fuse and meter. A new consumer unit will then be needed etc... It's this extra 100amp fuse that concerns me. Before I waste anyones time on site - and my time dealing with EDF - is it possible to have a third 100amp circuit off this single phase supply?
I'm not sure of the size of the incoming mains cable but can get the outside diameter of EDF's cable measured easily if it is needed.
On one development that was going from one mains supply to four supplies I got told by the 'New Busines' department that because there was already a mains supply they wouldn't instal more.
I then asked what department did deal with this type of work to be told 'There isn't one, we don't do this type of work.'
I'm not too sure how much longer they worked for EDF. Two hours and 15 phonecalls later I was put through to the 'New Business' department who's first question was 'What's the meter number the supply is connected too.'
Then there's the 5-6 week timescale for their 'Surveyor' to come round and look at the street. I can't believe that they are that busy.
It really is very poor service delivery.
I then asked what department did deal with this type of work to be told 'There isn't one, we don't do this type of work.'
I'm not too sure how much longer they worked for EDF. Two hours and 15 phonecalls later I was put through to the 'New Business' department who's first question was 'What's the meter number the supply is connected too.'
Then there's the 5-6 week timescale for their 'Surveyor' to come round and look at the street. I can't believe that they are that busy.
It really is very poor service delivery.
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