relative displacement warning and ground balcony

[rmzn.yldrm]

hello, I am getting a relative floor drift warning in the project I added below, how can I fix it? actually it doesn't make sense because the building is single storey and the rm-km difference is not much. I turned the columns to reduce this difference, but the warning did not change. Another question is that the building is 35 cm above the ground and I want to pass this height with a rafter raft foundation, but I was able to place the balcony at the 35 cm level as in the figure. Is it a correct application? Is it right for me to ignore the incorrect floor height in geometric controls? (note, when I throw a slab on the floor, it perceives it as a raft slab and says it cannot be less than 30 cm thick, so I thought of a solution like the one in the attached figure)

 

[Levent Özpak]

Hello, The reason for the relative offset in the project is the floor defined at -280 cm elevation... The floor defined on the floor ceiling does not always fit on the foundation. Therefore, all the edges of the tile you define are left blank. When defining the D29 slab, a beam or panel should be defined between the S8-S9 column. In the system, beamless raft can be applied instead of beamed raft foundation, and basement curtains can be used instead of continuous foundations. Basin curtain height can also be added to the floor height.

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In addition, superstructure interactive solution is not foreseen for beamed raft flooring systems in the program. Good work