Embers melted the roof and the water from fighting the fire damaged both floors.
The plan would cost about $50 to $60 million up front for new facilities, counselors, and prosecutors.
The fire broke out around 4:50 p.m. at a home in the 5800 block of Ricker Road.
The victim suffered severe bites to her face, neck, head and legs.
ATF investigators combed over the site most of Monday.
Two are behind bars, and authorities are urging the third to turn himself in.
Officials are awaiting the autopsy report to determine the cause of the teen’s death.
A warrant was served on Cornelius Monday for second-degree murder.
Police said a loaded gun was found next to Clark’s body.
Police said someone witnessed Brown choke the victim and slam her to the ground.