D.C. Code § 1-301.03
The Mayor of the District of Columbia may transfer to, impose upon, and vest in the Director of the Department of Licenses, Investigation and Inspections of the District of Columbia all or any of the duties imposed upon, and all or any of the powers, rights, and authority vested in, the Inspector of Buildings of the District of Columbia, the Inspector of Plumbing of the District of Columbia, and the Electrical Engineer of the District of Columbia, by any law, and the Mayor may authorize the said Director of the Department of Licenses, Investigation and Inspections to delegate any or all of such powers to the Chief Engineer of the District of Columbia and to the Chief of Inspection of the District of Columbia and to their respective deputies when acting for them.
D.C. Code § 1-301.03
Department of Inspections abolished: The Department of Inspections was abolished and the functions thereof transferred to the Board of Commissioners of the District of Columbia by Reorganization Plan No. 5 of 1952. Reorganization Order No. 55 of the Board of Commissioners, dated June 30, 1953, and amended August 13, 1953, and December 17, 1953, established under the direction and control of a Commissioner, a Department of Licenses and Inspections headed by a Director. The Order set out the purpose, organization, and functions of the new Department. The Order provided that all of the functions and positions of the following named organizations were transferred to the new Department of Licenses and Inspections: The Department of Inspections including the Engineering Section, the Building Inspection Section, the Electrical Section, the Elevator Inspection Section, the Fire Safety Inspection Section, the Plumbing Inspection Section, the Smoke and Boiler Inspection Section, and the Administrative Section, and similarly the Department of Weights, Measures and Markets, the License Bureau, the License Board, the License Committee, the Board of Special Appeals, the Board for the Condemnation of Dangerous and Unsafe Buildings, and the Central Permit Bureau. The Order provided that in accordance with the provisions of Reorganization Plan No. 5 of 1952, the named organizations were abolished. The executive functions of the Board of Commissioners were transferred to the Commissioner of the District of Columbia by § 401 of Reorganization Plan No. 3 of 1967. Functions vested in the Department of Licenses and Inspection by Reorganization Order No. 55 were transferred to the Director of the Department of Economic Development by Commissioner's Order No. 69-96, dated March 7, 1969. The Department of Economic Development was replaced by Mayor's Order No. 78-42, dated February 17, 1978, which Order established the Department of Licenses, Investigation and Inspections. The functions of the Department of Licenses, Investigations, and Inspections were transferred to the Department of Consumer and Regulatory Affairs by Reorganization Plan No. 1 of 1983, effective March 31, 1983.
Construction and repairs of schools, authority to oversee, see § 38-402. .