Subject to all existing provisions of law, the Commission shall have general advisory and supervisory powers over the selection of a suitable site and the formulation of designs and plans for the construction of a building for the housing, care, and exhibition of works of art and the study thereof. Any site which may be selected by the Commission pursuant to the powers conferred by this subtitle shall be subject to the approval of the Board of Estimates. The selection of an architect and the adoption of designs and plans for the building shall be arranged by the Commission with the Architectural Commission in the manner provided by <cite data-path="|5">Article 5</cite>, Subtitle 29 of the City Code. When the plans and specifications are duly approved, the building shall be erected under the supervision of the Buildings Engineer, as provided by <cite data-doc="City of Baltimore, Md., Charter" data-path="VII|§31">Article VII, § 31 of the City Charter</cite>. City Code, 1927, art. 37, §7 1950, art. 28, §4 1966 art. 1, §85 1976/83, art. 1, §86 Ord. 25-402