Need help with command "cap holes"

I have panels that I need to close because they currently appear to be open BReps. I would like to close the panels using the ‘cap holes’ command, but I can’t separate the surfaces. The panels need to be closed but divided into an upper and a lower one. I am attaching a photo and the gh file.

phive civic (313,8 KB)

Ciao Alessio.
Provo così.
Sempre che abbia capito bene il quesito.

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grazie, potrei chiederti il file grasshopper? perché così non riesco a capire se le brep sono chiuse o no

phive civic center (62,1 KB)