The building has been built up to the second floor and has been on hold for some time due to the original developer being in receivership. New owners have purchased the development and apparently this tower is close to starting construction.
SSP building page
http://skyscraperpage.com/cities/?buildingID=98136
Developer website
http://theguardiancalgary.com/
A few renderings
Guardian by
Calgary Renders, on Flickr
guardian2 by
Calgary Renders, on Flickr
Guardian by
Calgary Renders, on Flickr