Companies were dispatched to the first block of E. Marble Street around 1900 hours for a reported basement fire. Units arrived with smoke showing from a 3 story, occupied, duplex. An attack line was stretched off of Engine 1-27 to the basement where the bulk of the fire was quickly knocked but compaanies still had a good smoke condition. A second alarm was requested for manpower with fire possibly reaching the void spaces. The fire was contained to the basement with negative extension. Companies werre out for about 2 hours.