AT O415 Hrs SHORTLY AFTER RETURNING FROM BOX IN CO. 20'S AREA STATION 11WAS ALERTED FOR 16TH CALL OF DAY, TOWER11 WAS HIT FOR A DWELLING FIRE ON CHURCH STREET IN THE 3102 BOX. FIRST ARRIVING UNITS FOUND A 2 STORY DWELLING WITH HEAVY FIRE ON ALL SIDES. TOWER 11 ARRIVED ON THE SECOND ALARM AND WAS PUT STRAIGHT TO WORK BEING ASSIGNED TO OPEN UP THE ROOF FOR VENTILATION. BUT DUE TO THE THE AMOUNT OF FIRE , TOWER 11'S CREW WERE ORDERED OFF THE ROOF AND WERE REASSIGNED TO ASSIST UNITS WITH FIRE ATTACK. UNITS CLEARED APPROX 0845 Hrs.