D.C. Mun. Regs. tit. 27, r. 27-4199
When used in this chapter, the following terms and phrases shall have the meanings ascribed:
District property - all property owned by or leased to the District or acquired by the District under the terms of the contract, including property in the possession of or directly acquired by the District and subsequently made available to the contractor.
District supply sources - sources available to the District from which the contractor or subcontractor may obtain supplies for use in certain contracts.
Facilities - property used for production, maintenance, research, development, or testing. The term "facilities" includes personal property of a capital nature (including equipment, machine tools, test equipment, furniture, vehicles, and accessory and auxiliary items) for use in manufacturing goods, in performing services, or for any administrative or general plant purpose, and real property (land and rights in land, ground improvements, utility distribution systems, and buildings and other structures), but does not include material.
Material - property that may be incorporated into or attached to a deliverable end item or that may be consumed or expended in performing a contract. The term includes assemblies, components, parts, raw and processed materials, and small tools and goods that may be consumed in normal use in performing a contract.
Preventive maintenance - maintenance performed on a regularly scheduled basis to prevent the occurrence of defects and to detect and correct minor defects before they result in serious consequences.
Property - all property, both real and personal, including facilities and material.
D.C. Mun. Regs. tit. 27, r. 27-4199