Aerial for flats

[sima24]

Hi,

I'm hoping someone can point me in the right direction.

im an electrician and wiring a block of 50 flats. Currently starting on 5 show Floyd before the plans are finalised for the whole building. I'm struggling to get hold of a aerial installer to come out ASAP as all I have left on these show flats is the aerial / satellite.

I want to run all the cables for the aerial guys into a common riser so they can connect them to whatever they need and install aerials. I want to make sure everything is right for whoever comes so basically the right amount of coax ran to the correct places.

each flat is 2 bedrooms and will want a tv point in lounge and both bedrooms. I'm thinking of running 2 x coax from riser to each flat, or would I need to run a cable from riser to each point so 3 in total per flat.

if anyone has any ideas on how many cables and where to run them that would be much appreciated.

also any aerial installers in Northamptonshire?

 

[mhar]

Depends entirely on the design of the building and if you are talking about just terrestrial or if you would be providing satellite as well.
You mention a riser so assume this is a tower block. The neatest way for just terrestrial would be to split for the bedrooms & lounge in each flat then you would only need to run one cable (maybe ct125 depending on calculations) to each riser. The aerial installer would then use a launch amp at the head end and have a leg for each riser (maybe ct125 or 167) and would tap off from this trunk feed at each common distribution point.
Personally I would bond at each distribution point tap and would bond the splitter in the flat to the flat met.