Fire units responded to the Verizon Training Center located at 6000 Hadley Road for a report of smoke coming from the building. DC Delnegro arrived and advised incoming units that the fire was in the stand-alone training houses located at the far end of the complex. Access was made through the gates at the end of New World Way. The working fire signal was transmitted and Engine 5 dropped a supply line from the hydrant at the opening of the gate into the job. Truck 7 setup on side A. One line was stretched into the structure. The fire was confined to the main boiler located in the basement of the building. Moderate smoke was present throughout. All searches were negative. DC Delnegro in command.