(AP) — The University of Nebraska at Omaha says it will rebuild a student apartment building partially gutted by fire last month.

The Feb. 26 fire destroyed the roof and third floor of the three-story building at UNO’s Scott Village. No students were injured. Investigators say the fire was caused by a discarded cigarette on an apartment balcony.

A university news release Friday says it will replace all mechanical, electrical and plumbing systems in the building and reconstruct the roof and third floor, and all interior finishes will be replaced.

UNO hopes to have the building ready for students by the 2014 fall semester.

UNO says officials spent weeks working with architects, engineers and insurance adjusters to determine the best course of action for damaged building.