Construction is underway at the 1928 two-story firehouse at 5720 N. Ridge in Chicago, called “the most ornate of the grand firehouses” by the Chicago Landmarks Commission. The brick-and-terra-cotta building will soon be reborn as the new home of Chicago Filmmakers . The independent film group plans to show offbeat movies on the main floor where fire trucks were once parked, and hold film-making classes upstairs where firefighters used to sleep. Preservation is the name of the