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