OBM - Deck Slab with voids for Lift Shaft

Hi,

Is it possible to have voids on deck slab?

This bridge supports a rail station concourse and need to accommodate lift shafts.

FYI : void shown on this image is not an actual void.

Thanks in advance

Regards,

Mark

OBM CE - 2019 Release 2 update 7 - Version 10.07.03.23