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  1. Thread: compliance sheet

    by TG6
    Replies
    19
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    2,408

    Just to help me, how many scaffolds have failed...

    Just to help me, how many scaffolds have failed in the UK since 2005 (when NASC first published their design guidance)? On how many of those failures was there no design? I am asking because I...
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    473

    Sorry, I may have worded that a bit badly. Risk...

    Sorry, I may have worded that a bit badly.
    Risk analysis is something I learnt when I first started doing structural design in a contractor's design office, way before RAMS was ever thought about. ...
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    5
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    473

    When it was brought out in 1982 BS5975 was an...

    When it was brought out in 1982 BS5975 was an easy to use guide to designing and erecting falsework. BS5973 (1993) was the companion book for scaffolding, again easy to use for designing and...
  4. Thread: Scaffoldersforum

    by TG6
    Replies
    7
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    872

    Like you, a few people have put me off using the...

    Like you, a few people have put me off using the forum but I think that the thing that changed it most was losing pictures of the week (or was it of the day). I used to regularly look at those...
  5. Thread: hongphat845

    by TG6
    Replies
    26
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    3,048

    You can't catch me that easily.

    You can't catch me that easily.
  6. Thread: hongphat845

    by TG6
    Replies
    26
    Views
    3,048

    I don't think that they are all coming from the...

    I don't think that they are all coming from the same user but the content seems to be identical. What you say is worrying Alan. I tried to leave a while ago because I was fed up with the negative...
  7. Thread: impact wrench

    by TG6
    Replies
    10
    Views
    1,983

    And one other thing. If you use an impact wrench...

    And one other thing. If you use an impact wrench you will have to turn your music up really loud so that you can hear it over the racket that the wrench makes! :bigsmile:
  8. Thread: compliance sheet

    by TG6
    Replies
    19
    Views
    2,408

    I just think that as properly tied scaffolds to...

    I just think that as properly tied scaffolds to straightforward jobs were not falling down all over the place before EN12811, we must have been doing something right. Also, the aim of building a...
  9. Thread: compliance sheet

    by TG6
    Replies
    19
    Views
    2,408

    Here's a thought then: From Work at Height...

    Here's a thought then:

    From Work at Height Regulations 2005 Schedule 3

    7. Strength and stability calculations for scaffolding shall be carried out unless—
    (a) a note of the calculations,...
  10. Thread: impact wrench

    by TG6
    Replies
    10
    Views
    1,983

    EN74 which covers fitting design and...

    EN74 which covers fitting design and specification gives a torque figure of 50 Nm but that is for testing of brand new fittings only. A bit of dirt on the thread or a very oily fitting and...
  11. Thread: compliance sheet

    by TG6
    Replies
    19
    Views
    2,408

    Just to help everyone who may look at this...

    Just to help everyone who may look at this thread:

    If there is no TG20 compliance sheet (or a design) relating to an erected scaffold, which law is being broken and who is breaking that law?
  12. Thread: compliance sheet

    by TG6
    Replies
    19
    Views
    2,408

    I think he is probably talking about a TG20...

    I think he is probably talking about a TG20 compliance sheet which gives a list of the criteria to make it acceptable as a basic scaffold. With the information about the location, height, lift...
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    1,458

    Indeed - From HSE website: Q. Must I use a tag...

    Indeed - From HSE website:

    Q. Must I use a tag system on a scaffold?

    A. Although tag systems are not a legal requirement, the law does require inspection of scaffolding from which a person...
  14. Replies
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    2,591

    One thing to watch in anchoring into slab edges...

    One thing to watch in anchoring into slab edges (or thin columns) is edge distance which can decrease anchor capacity significantly. It is often difficult to get a fixing mid depth on a slab and I...
  15. Replies
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    1,883

    https://www.anchorsystems.co.uk/products/...

    https://www.anchorsystems.co.uk/products/
    https://www.platipus-anchors.com/#
    I have used these anchors to successfully anchor stuff in this situation. It won't work if there is rock under the mud...
  16. Replies
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    3,509

    Georgina, you need to check with your software...

    Georgina, you need to check with your software supplier or Autocad themselves that this is possible. I am still on a maintenance agreement with Autodesk because it is cheaper than subscription but...
  17. Replies
    6
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    2,276

    I'm sorry that you find my explanation of the...

    I'm sorry that you find my explanation of the words 'tripod effect' to be a load of drivel Phil. I'm not sure how else I could have put it but I'll try to explain better next time someone has a...
  18. Replies
    6
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    2,276

    M I understand what you mean and I think that it...

    M
    I understand what you mean and I think that it is probably one of those things that we used to call good practice. If the double is fitted to the ledger and is a little loose, the ledger can...
  19. Thread: 7 day inspections

    by TG6
    Replies
    3
    Views
    688

    CISRS document CAP 609 is fairly clear but...

    CISRS document CAP 609 is fairly clear but because there are now separate basic and advanced inspection cards available which changes things a bit, the casual Health & Safety person probably hasn't...
  20. Thread: Black steel

    by TG6
    Replies
    7
    Views
    1,549

    Ok Phil, will do.

    Ok Phil, will do.
  21. Thread: Black steel

    by TG6
    Replies
    7
    Views
    1,549

    That's interesting. EN 12811-1:2003 says that...

    That's interesting. EN 12811-1:2003 says that materials should comply with EN 12811-2. I don't have the latest version of this latter one but the draft I have says that corrosion protection can be...
  22. Replies
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    3,343

    The data presented in TG20 tables 5.10 does not...

    The data presented in TG20 tables 5.10 does not quite support what the text suggests and although they quote 1.65 as a global safety factor, we are probably better to just use the figures from the...
  23. Replies
    10
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    3,343

    No, you are not correct. If you are using...

    No, you are not correct. If you are using permissible capacities of components (eg tables 5.10) to check that the loads applied to the components don't overload them the input is purely the dead and...
  24. Replies
    2
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    1,049

    All that they have done is to lay out the things...

    All that they have done is to lay out the things that you should take into account when you design temporary roofs if you decide to or have to follow the current codes of practice (which have been...
  25. Is that the right way round or is the picture I...

    Is that the right way round or is the picture I have from this wrong? Isn't a shallower angle better?
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