The Bureau of Supply Coordination.
Section 90
SEC. 90. The Bureau of Supply Coordination.—The purchasing agent shall purchase and supply in accordance with law all supplies, equipment, and property of every kind, except real estate for the use of the city and its departments or offices. But contracts for completed work of any kind for the use of the city, or any of its departments or offices, involving both labor and materials, where the materials are furnished, by the contractor shall not be deemed to be within the preview of this section.