There's not much detail on the Sandman site, just that
Number of guest rooms: 200 proposed
Swimming pool & hot tub,
fitness centre,
business centre,
convention centre (meeting rooms, banquet room)
2 on-site restaurants
Ample on-site parking (360 cars)
They have a Facebook page , you could try and contact them there.
https://www.facebook.com/Sandman-Sig...6150508465590/