((a))
((1)) ** .—** The Architect of the Capitol shall have charge of the structural and mechanical care of the Supreme Court Building, including—
((A)) the care and maintenance of the grounds; and
((B)) the supplying of all mechanical furnishings and mechanical equipment for the Building.
((2)) ** .—** The Architect shall direct the operation and maintenance of the mechanical equipment and repair of the building.
((3)) ** .—** The Architect may enter into all necessary contracts to carry out this subsection.
((b)) ** .—** Amounts appropriated under—
((1)) subsection (a) and sections 6112 and 6113 of this title are available for—
((A)) expenses of heating and air-conditioning refrigeration supplied by the Capitol Power Plant, advancements for which shall be made and deposited in the Treasury to the credit of appropriations provided for the Capitol Power Plant; and
((B)) the purchase of electrical energy; and
((2)) the heading “Supreme Court of the United States” and “care of the building and grounds” are available for—
((A)) improvements, maintenance, repairs, equipment, supplies, materials, and appurtenances;
((B)) special clothing for workers;
((C)) personal and other services (including temporary labor without regard to chapter 51, subchapter III of chapter 53, and subchapter III of chapter 83, of title 5); and
((D)) without compliance with section 6101(b) to (d) of title 41—
((i)) for snow removal (by hire of personnel and equipment or under contract); and
((ii)) for the replacement of electrical transformers containing polychlorinated biphenyls.