Initially dispatched at 1842 hours to standby in station for Broadalbin FD while they were at a structure (chimney) fire. While en-route to standby, 2-5-1 requested an engine and manpower to respond to the scene and assist. 12-5-1, 12-5-2 and 12-1-1 responded, two man crew from 12-1-1 requested to assist in the basement, two more of 12-1-1 crew staged as part of RIT team. Once completed on scene, Broadalbin requested Perth to standby in station till they were back in service. 18 members responded, back in service at 1953 hours.