An update on Solstice from mid-last month:
http://chicago.curbed.com/2017/2/13/14599034/chicago-construction-apartments-solstice-on-the-park
Also mentions other recent permits the project received, elevators etc.:
https://www.chicagocityscape.com/permits.php?pid=100677428#
More building permits at 1616 E 56th St
Permit Type Est. Cost Date Issued
Elevator equipment $92,000.00 03/08/2017
New construction $93,000.00 02/28/2017
New construction (this permit) $85,600,000.00 02/10/2017
New construction $60,000.00 11/04/2016
Electric wiring $18,000.00 11/03/2016
New construction $97,500,000.00 10/19/2016
Elevator equipment $0.00 07/06/2015