The director of finance, pursuant to rules and regulations established, shall be responsible for the purchase, storage, and distribution of all supplies, materials, and equipment required by any office, department, board, or agency of the city. The director of finance shall have power and shall be required to:
(1) Establish and enforce specifications with respect to supplies, materials, and equipment required by the city.
(2) Inspect or supervise the inspection of all deliveries of supplies, materials, and equipment, and determine their quality, quantity, and conformance with specifications.
(3) Have charge of such general storerooms and warehouses as the council may provide by ordinance.
(4) Transfer to or between offices, departments, or agencies, or sell surplus, obsolete, or unused supplies, material, and equipment.