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  1. Z

    Bathroom Ventilation Regs

    Hi, I have two bathrooms upstairs with two inline extractors in the loft. Ducting from each fan to eternal wall (2 and 3 metres) with a 'Y' junction just before to one duct into one outlet. BC have told me each fan needs it's own outlet to prevent extracted air being channeled back toward...
  2. Z

    Upgrading shower circuit from 6mm to 10mm

    Hi, Currently my shower is - from looking at the cable externally - on a 6mm cable circuit over about 5 metres connected to a 30 amp fuse. No RCD. Shower is 8.5kw and I am limited to around 10 minutes of use before the fuse trips. If I get an electrician to upgrade the cable to 10mm...
  3. Z

    Backfilling with wet clay

    I have finished laying the underground drainage outside and have backfilled with about 50 cm of clay. However, it is very soft due to all the rain and is currently like walking on a sponge. The drain is in the garden and will only be walked over. I will either put top soil back or pave. What...
  4. Z

    Part H Pipe run under foundations

    Hi all, Firstly thanks for such a useful website. I have searched the forums but can't find an answer so thought I would post here. 2.25 on P14 of Part H states "A drain trench should not be excavated lower than the foundations of any building nearby (see Diagram 8) unless [trench is...
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