Mich. Comp. Laws § 380.443: Expenditure of bond proceeds for remodeling of existing school buildings; “remodeling” defined.

Sec. 443.

Proceeds from the sale of first class school district bonds may be expended for the remodeling of existing buildings of the school district if the board determines the remodeling will contribute positively to the health, security, or welfare of the pupils of the school district and if the uses are approved by the superintendent of public instruction. If the question under section 410 is approved in the first class school district, then the chief executive officer appointed under section 420 has the powers and shall perform the duties of the board of the first class school district under this subsection.

As used in this section, "remodeling" means the alteration or construction of structural components of a building including walls, roofs, partitions, hallways, stairways, or means of egress, or the replacement, relocation, or reconstruction of heating, ventilating, incineration, electrical, security, or sanitary systems.