As a subcontractor, Anton Constructiewerken has placed a steel structure for closing two staircases in an office building in Amsterdam. Anton Constructiewerken has carried out the manufacture, assembly and supervision of the concrete pouring. Anton Bouw & Betontechniek carried out the delivery and installation of the steel slab concrete floor for Anton Constructiewerken.
![](https://media.antoncdn.nl/sites/2/2019/04/staalconstructie-voor-dichtmaken-trap-sparingen-1.jpg)