A fire in the rear addition of a vacant 2 story house at 3115 Tidewqater drive around 0830 hrs 01/16/00 caused significant damage. Engines 11,2,10 Ladder 10, Squad 1, Rescue 11, and Battation 1 put a quick knock on the fire. Rescue 11 arrived 1st with heavy smoke issuing from the rear and E-11 advanced a line in for fire attack. Squad 1 and E-2 took a line to the 2nd flr. and opened up to check for extension. Ladder 10 assisted E-11 with overahaul on the first flr. All units were back in service about an hour and half after intial alarm.