There are 13 ROR/135FX Heat detectors at this location that should be replaced. All 8 detectors on the 1st floor have been thrown above the ceiling and will need to be dropped down and put in a box with T-bar and cut into the ceiling tiles. This quote is for 13 heat detectors to be replaced and 8 remounted in box's and T-bars . Installed tested and dated and clean up .