(a) If necessary for the acquisition of the Franklin Mountains State Park, the department shall institute condemnation proceedings according to the laws of this state against any person, including a governmental entity.
(b) Costs incurred in the exercise of eminent domain under this section for the relocation, raising, lowering, rerouting, or change in grade, or alteration in the construction of any electric transmission, telegraph, or telephone line, railroad, conduit, pole, property, facility, or pipeline are the sole expense of the department.
(c) "Sole expense" means the actual cost of the lowering, rerouting, or change in grade or alteration of construction in providing comparable replacement without enhancement of the facility, after deducting the net salvage value derived from the old facility.