BBIM | Rate-based costing in SCHEDULEOFRATES

Quantity-based cost item

when using a cost schedule like a Bill of Quantities, elements can be assigned to the Cost item to calculate their quantity x cost, as indicated in the IfcCostItem page of IFC4x3 documentation:

so far so good

Rate-based cost item

in the same page reference is made to cost items whose value is based on IfcTypeProduct, IfcTypeProcess, or IfcTypeResource, as detailed here (from the same page):

good, right?

Problem

when I create a cost item in a schedule of rates, there are no options to associate it to anything more than a cost value and unit of measure:

Question

How do I associate a Cost item in the schedule of rates to a desired type? It would be very useful to use Resources here, for instance.

Is there anybody who can kindly shed some light on it? I'd be very grateful since this is quite an issue when it comes to implementing a working schedule of rates in a more professional workflow using BBIM

thanks in advance for your help
I'd like to bother BBIM 4D/5D overlords on this
ping @Massimo @SigmaDimensions

MassimoRoelJohnOmeyotzin127

Comments

  • edited May 2024

    Yeah, i guess this is not yet implemented in BBim but i think that it can be an important feature to implement :-)

    steverugiOmeyotzin127Roel
  • What about these? They do allow assigning the selected product type to the cost item.

    Omeyotzin127emiliotasso
  • edited May 2024

    hi @Andrej730

    What about these? They do allow assigning the selected product type to the cost item.

    please would you elaborate a bit more the 'assigning' process part? not much happens when clicking on the plus or minus icons here, a practical example can be of great assistance
    many thanks

    JohnRoel
  • edited May 2024

    Example - https://imgur.com/a/qq1hRPs
    In this commit I've also added an info message and it now also considers active object, not only selected, as typically types collections is hidden (previously you would be able to add types only if you unhide the Types collection).

    steverugiMassimo
  • Hi @Andrej730

    sorry the link doesn't show any video, thanks

  • updated it

    steverugiJohn
  • edited May 2024

    Hi @Andrej730

    updated it

    many thanks for the commit and update, you are a star :)
    hopefully one day it will be possible to also use resources in the schedule of rates..

    emiliotassoMassimo
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