I am trying to conduct a study comparing exterior envelope assemblies and façade design options. However, I have run into an issue with how we typically model our curtain panels and how Tally appears to assigns materials.
For our high rise buildings we typically model curtain panels to include glass, mullions, piers, and opaque spandrels/slab covers instead of stick-built curtain walls (the sort of “default” Revit method). This helps us ensure consistency around large floor plates and up the towers. Because all these subelements are included in one curtain panel Tally seems to be having difficulty appropriately calculating the area of each. For example, the amount of glass is being calculated as Total Panel Area x Component weight per area (29.85m2 x 21.4kg/m2 = 638.8kg) which means mullions, precast+brick, and piers are not being subtracted out.
This leads me to a couple questions: 1) Am I misunderstanding the data for examples like above? 2) If not, is there a workflow you would suggest to get Tally to accurately see each subelement of our curtain panels?
To put it another way, Tally seems to work by layering materials over the entire surface of an element (ie metal panel in front of insulation in front of membrane). Is it possible to tell Tally to put materials next to each other (ie window next to mullion next to metal panel) within one element?
Any guidance would be greatly appreciated!