[Bldg-sim] Energy Model Cost

Grammy Jiang grammy.jiang at gmail.com
Thu May 12 18:53:09 PDT 2011


Hi, everyone,

In my experience, 160 hours working time is only for design submission, for
a mid-complex building.

There are something maybe happen which cost a lot of time:


   1. Most of time the client and also MEP partners will compare the
   building loads between energy model and MEP partners calculation. The
   modeler need to find the calculation difference, and figure out why this
   would happen and how to fix.
   2. Architect and MEP partners will ask the modeler to do parametric
   studies to compare options. The modeler need to run the model - sometimes
   there will be some issues which also need time to solve.
   3. Client wants to know the effect of each energy saving strategy. The
   modeler need to do a lot of runs to make clear about this. And also there
   will be some problems happen, modeler need time to solve it.

After received the comments from USGBC, it depends on how many comments you
get. Normally 40 hours around to answer those questions if the model has no
big mistake or missing.

In the end there should be some extra hour for safety which depends on the
complex of the project.

Best Regards,

Grammy, Jiang
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