Question 27

Is it possible to submit a request for participation in open call as an architectural office (authors) and then, in the first, respectively second round (or after competition), eventually enter into a contractual relationship with a Client in an association with an engineering office?

Yes, it is possible: to be selected in the Open Call based on your architectural experience and enter the next stage of the competition in association with an engineering office. Partially this has been answered as Question 1.