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Recent content by Wiseel

  1. Wiseel

    Calculation of symmetrical duopitch ridge beam

    Hi all, I'd like to ask if anyone could offer any advice as to how to approach bending calculations for a prefabricated duopitch roof ridge beam; basically a ^ shaped beam, supported at either end. I assume that maximum bending would occur at the ridge point, not exactly sure how to get...
  2. Wiseel

    BS EN 1991-1-4, wind pressure coefficient query for flat roofs

    Hi Hetgren, Thanks ever so much, that makes perfect sense! Surely it wouldn't have hurt to have a line or two in the standard to that effect... for the benfit of dumplins like myself haha! Cheers
  3. Wiseel

    BS EN 1991-1-4, wind pressure coefficient query for flat roofs

    Hi Engineers, I've stumbled across a problem when looking at wind loading on flat roofs. In BS EN 1991-1-4, the roof is divided into areas relative to the relationship between building height and crosswind dimension ('e'). The problem is, when i input my dimensions, i'm ending up with a large...
  4. Wiseel

    Design Checking - Sole Director/Designer

    Hi guys, I'm a design engineer, planning a design consultancy start-up business where i would be the sole director/designer. My question is about design checking. Coming from a design team, where a colleague would check work before being issued to a client, my question is, how does anyone else...
  5. Wiseel

    Wind Eurocode BS EN 1991-1-4 - Internal Pressure Coefficient for building with no openings

    Thanks a lot for your response hetgen
  6. Wiseel

    Wind Eurocode BS EN 1991-1-4 - Internal Pressure Coefficient for building with no openings

    Hi all, I'm just looking through the wind loading eurocode and, in particular, trying to determine internal pressure coefficients for a fully enclosed temporary building - with no openings. Don't know if i'm missing something, or just being daft, but everything about internal pressure (sect...
  7. Wiseel

    Ratchet strap coefficient of friction for Capstan calculation

    Hi All, Apologies if this is posted in the wrong category... wasn't quite sure where to place it. I'm trying to calculate the holding capacity of a heavy duty ratchet strap and the effect it would have being wrapped around a cylindrical object (steel bollard or scaffold tube), using the...
  8. Wiseel

    Quoting for design - provisional design brief

    All very interesting views and opinions, thanks. Good point, dauwerda, about giving a good impression and possibly gaining an edge over competition at tender stage, hadn't thought of that at all.
  9. Wiseel

    Quoting for design - provisional design brief

    Hi all, I'm moving from a contractor to a design-only start-up. I appreciate the function and value of a design brief following contract award, but would like to ask designers whether anyone uses a provisional design brief when quoting for work? Typically, i would receive an invitation to...
  10. Wiseel

    Up front payment discount

    Thanks for the advice everyone, i think i'll go with invoicing immediately upon completion and delivery of work offering a couple of % discount for payment within 5 or 10 days
  11. Wiseel

    Quoting and providing rates

    Thanks for the advice all
  12. Wiseel

    Up front payment discount

    Hi all, i have another query regarding my planned design consultancy start-up. I just wondered if anyone offers discounts for voluntary payment of services up front, as opposed to the usual 30day terms? I'm thinking this might help encourage healthy cash flow in the early days of my business...
  13. Wiseel

    Quoting and providing rates

    Thanks for taking the time to respond all, sounds like a clear consensus. I have experience in estimating and preparing quotes for my previous employer, however, the company was a contractor, I'll be setting up as a design-only consultancy. What strikes me is that vast majority of contractors...
  14. Wiseel

    Quoting and providing rates

    Hi all, I'm currently planning my start-up as a sole proprietor structural design engineer. I have a query about quotes and rates and wonder if anyone could help with your own experiences and opinions? So, I've calculated my start-up costs and regular outgoings, including paying myself a basic...
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