At 1455 hours Box 5-05 sent Engine Companies 20, 17, 21, Squad 20, Truck 17, Rescue 20, and Tanker 20 to 431 Lafayette Street for a house fire. Officers enroute reported a smoke column visible. Chief 5 requested the RIT (Rescue 69) and arrived moments later reporting a working fire. The fire building was a 1.5 story, single family, occupied dwelling with heavy fire showing from sides B and C. A 2.5 " line and a 1 3/4" hand line was stretched from Engine 17 to knock down the initial main body of fire. A second alarm was requested at 1501 hours bringing Engine 6, Engine 2-13, Squad 30, Truck 30, Rescue 37, Tanker 17, and Air 13 to the scene. Companies made an aggressive interior attack on the fire knocking down all visible fire in about 15 minutes. Extensive overhaul was required before the fire was brought under control.