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  1. J

    Flat Roof Mounting Kit

    Anyone else 1)done the calcs 2)spec'ed the mounting frame 3)got the loading 4)paid for the surveyor to purse his lips and say yes. 5)client got planning permission sorted. now.... 6)can't get the kit thats was spec'ed, cause they are too busy with on roof to even listen to flat roof...
  2. B

    Flat roof - fixing to rafters... How to waterproof?

    Im installing a flatroof system using Unirac - screwed onto the rafters through the felt layer Anyone have any experience with this? Will just some bitumen around the steel L-legs seal it watertight? Thanks Brince
  3. A

    PV on built-up felt flat roof

    I've looked through various other threads on flat roofs, but to no avail... We've been asked by our friendly Buidling Control Officer to quote him for a PV system on his house. He's got a 4 deg pitch south facing roof, comprising built up felt over a ply covering. The building is quite...
  4. P

    Retro fitting of dedicated fuse on main "board" (4 flat conversion)

    Folks I previously had this under the theory and regs forum which I suspect was the wrong place for it - apologies for that. I think it's more applicable here. I live on the first floor in a 4 flat conversion late Victorian / Edwardian terraced property in Crystal Palace SE19. Recently, I...
  5. P

    Retro fitting of dedicated fuse on main distribution board (4 flat conversion) ?

    All I suspect this was in the wrong section (this one seems to be theory / practice related for trade). Sorry about that - will put in the general section instead. Paul Briggs
  6. B

    63A supply required for flat any thoughts on

    Hi We have to install a 63A supply to a new consumer unit on a 2nd floor studio flat. The supply at present looks like it may have to feed from the switch on ground floor outside the property and up the wall before re-entering the 2nd floor studio flat. Any thoughts how best to go about this...
  7. zap

    Determining Ze at a sub CCU in a flat in a converted house

    Scenario: PME supply. House converted into flats. Main distribution board splits into five sub boards, one for each flat. Each flat has its own meter and CCU fed by twin and earth. The water pipes in each flat are bonded. (Water pipes are jointed by threaded horse-hair joints). There are no gas...
  8. J

    Flat Roof System

    Hi First post.... Can anyone recommend a decent flat roof system which you can actually bolt to the roof. all the ones I've done have been ballasted systems, but this client wants it fixed to the roof. Or if anyone can suggest a supplier who can actually supply it and knows what they are...
  9. R

    flat roof pv install - distances from edge & suitability?

    I have a flat roof installation SW facing 5.5m accross and 7.4 back, felt covered. I obviously want to provide the max array output possible taking into account shading distances between etc. The roof is 5m high, a loft extension to bungalow, and I don't want to overload the roof with tonnes...
  10. R

    Confusion on lighting circuit in new build flat

    Hi guys, I popped in late yesterday to change two 3 pin bayonet energy save fittings to a couple of fancy fittings for a mate in his 'L' shaped hallway. Both lights are individually switched at either end of the hallway. I don't do much domestic sparking as am a facotry spark so never really...
  11. N

    CU change in ex council flat

    Hi all further to my prev thread, thanks for the advise from the members. The old CU is a metal box size 265*135*85mm, re-wirable fuse's. The wiring is run in steel conduit and this also acts as the CPC. The conduit is bushed to the metal CU box and everything is fixed firmly against the back...
  12. S

    PV system for top floor flat?

    Dear colleagues...the owner of a top floor flat asked me to quote for a PV system...he also asked whether he's allowed to install the system on the building roof even though there are other flats in the same building. Never had this situation before, any advice? The roof is a flat roof, hence...
  13. dansk

    Flat roof slates - but not thin slate

    Got a job coming up that has flat tiles, 20mm thick, heavyish, with triple overlap - everyone is nailed. Has anyone used a jenny strap to put the tile back? or used one of these? Ubbink Sim-Fix Refurbishment Slate Strap
  14. D

    Flat rate scheme?

    Hi guys, just wondering if anyone has joined the flat rate vat scheme? I've been told about it through a Company (obk), working with my payroll company. I confess to not knowing much about it and can't really make sense of it through hmrc website! I am self employed. Anyone with some...
  15. N

    changing CU in a flat

    Hi been asked to change out old bakelite fuse box to new 17th edition cu in a flat in a block, no isolation to the fuse box in the flat, briefly looked at supply downstairs, looks like 3 phase supply split to supply single phase to each flat. Cant see any individual fuse's for each flat...
  16. I

    Flat Roof Mounting systems

    Can anyone pass on any advice for mounting to a flat roof??? Ive tried solion kits, however the customer is requesting that the panels are laid completly flat on thier back (Any advice on the pros and cons of this would also be good!!!!). The roof covering is a soft material and they would...
  17. gazzamikes

    Ground floor flat rewire

    Evening all, have been asked to quote for basic rewire in a small 2 bed ground floor flat. the ceilings are concrete as they would be. the flat is still wired in mineral cable with the copper outer sheath on a 3036 board. the customer was asking for a number of additional sockets etc, i...
  18. S

    Ground mount and flat roof ballast advice.

    We have just been given the go ahead for a ground mounted 4kWp and a 2.64kWp on a flat roof. Having not installed these types before i'm after some help/ advice. Both systems are with A frame design. Firstly the flat roof. The ballast loads for the flat roof system that the supplier has...
  19. D

    Help with flat roof system

    Hello all I have been asked to design and quote a PV system at a domestic property. I have determined I can get 10 250W panels on the roof of the property ( south facing , 30 degrees ) , however they would like to use the flat roof of their garage to mount some additional panels. As I have no...
  20. F

    No Bonding to Water or Gas services in a Flat above a Shop unit.

    I'm looking at a CU swap in a Flat above a shop. The MET in the Flat has no Bonding to the Gas or Water present, i think it could well be connected to the services in the shop below the flat. I know i should i run new bonding up from the property below. I've been looking...... but where in the...

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