Units were dispatched for a reported dwelling fire in the 13-4 box area, First arriving units reported 2 fully involved townhouses and immediately called for a 2nd alarm. Engine 112 picked up Engine 131's supply line and hooked up to a dry hydrant, without delay they were able to secure water supply on a hydrant just past the fire. Chief 11 was assigned fire attack and the crew from Medic 11 assisted with fire attack. There were no civilian or firefighter injuries. Units cleared around 7am