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  1. tony1851

    Floor Joist pitching versus strength

    For someone to specify joists at 200mm centres would be unusual, unless the joists were very small (in depth)? Or the spans very long?
  2. tony1851

    Moving an ashlar stud wall in loft conversion

    No planning permission as long as its not listed. Building Regs only required if the studwork is supporting anything, such as the roof rafters.
  3. tony1851

    Lintel failure or subsidence

    IMO you don't really have a problem there. It looks as though there is a traditional tile creasing over the frame (a common way of finishing rendering over an opening in the old days). Quite likely, this was built off the original timber door frame, which has then been disturbed when the PVC...
  4. tony1851

    steel beam

    They go straight on to the pads - no mortar.
  5. tony1851

    Dormers

    It looks as though the dormers have been built directly off the purlins, in which case the surveyor might be assuming that the purlins are carrying a heavier load than when the house was built? Nonsense, of course, but to earn their fee off their clients, they have to write something, while at...
  6. tony1851

    24mm Joists

    But would it matter in this case? The bottom of the joist will be in tension. Its the top which may potentially buckle by being in compression, though the top will be held by the boarding. (Similar to the case of steel beams, where its the top (compression) flange which needs to be restrained to...
  7. tony1851

    Permitted development technical details

    If its the corbels you are worrying about (in terms of them forming small side-facing walls) I think you are worrying needlessly. The Technical Guidance specifically excludes features such as guttering, barge boards and eaves etc from being taken into account when measuring. I think your...
  8. tony1851

    Permitted development technical details

    1. did you submit an application for a larger home extension? 2. Did the adjoining owner, or anyone at the rear whose boundary is contigious with your rear boundary, object? It appears that you could answer yes to 1. and no to 2. because the council stated that no objection was received. So why...
  9. tony1851

    RSJ fitting not flush

    Freddy, you are almost certainly correct. The eccentricity of the web from the centreline of the brick looks to be about 1/6. This will reduce the load-bearing capacity of the brick skin, probably by 25-30%. But that may not be of any consequence if the brickwork is in reasonable condition and...
  10. tony1851

    RSJ fitting not flush

    See if you can get a short length of 9" x 4" pre-cast concrete lintel (sometimes you can pick up cracked ones cheap at the merchants) and cut to 270mm length with a disc cutter. It will bridge the cavity and to an extent will help stabilize the two skins; bed it on 1:3 mortar. You also wouldn't...
  11. tony1851

    RSJ fitting not flush

    1. There's considerable eccentricity, which reduces the load-carrying capacity of the pier (though it might not be critical - depends on the actual load and other factors). 2. Is there no padstone, or are those engineering bricks? 3. For a 3.6m span carrying domestic loading, it should have...
  12. tony1851

    Erection of steel goal post

    What about choice of women??
  13. tony1851

    Planning enforcement

    @woody, shouldn't the OP just let sleeping dogs lie, instead of opening up the issue again?
  14. tony1851

    Planning enforcement

    To avoid confusion, the architect should have marked the dimension on the plan. In most instances where you have flush eaves, you need a steel beam set just inside the wall to carry the dormer front and floor. Doing it that way usually ensures you get the 20cm set-back. But looking at the...
  15. tony1851

    Planning enforcement

    Do the architect's drawings specifically show the 20 cm eaves set-back? It should be indicated on the cross-section.
  16. tony1851

    Planning enforcement

    @op; did you get plans drawn for the loft conversion? Or did the 'loft-conversion specialists' advise that you didn't need plans, or perhaps produced drawings themselves, for illustrative purposes? As there could be a potential problem with the eaves, surely you could insist the builder rectify...
  17. tony1851

    Planning enforcement

    You need to bear in mind that enforcement is entirely at the discretion of the council; no complainant can demand that the council take legal action. Technically, your roof enlargement is not permitted development as it is too near the edge of the tiles/slates, but that does not mean that the...
  18. tony1851

    Erection of steel goal post

    I'd assemble it into the position below and get a few helpers round to tip it up and walk it into position: Wouldn't Health & Safety have something to say about that? If its 4m high, that's a lot of weight above head height?
  19. tony1851

    Steels onto return brick for new opening?

    @op, I suspect you are over-thinking this. You need to maintain the cavity - ideally the outer skin should have been bonded to the existing brickwork rather than using strips. Internally you will get a gap where the cavity is, but you need to get rid of this by bonding the new inner skin to...
  20. tony1851

    Steels onto return brick for new opening?

    Can't quite follow this - posting a pic or two would help...
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