; for all necessary expenses for surveys and studies, construction, operation, and general and administrative support in connection with facilities and activities under the care of the Architect of the Capitol including the Botanic Garden; electrical substations of the Capitol, Senate and House office buildings, and other facilities under the jurisdiction of the Architect of the Capitol; including furnishings and office equipment; including not more than $5,000 for official reception and representation expenses, to be expended as the Architect of the Capitol may approve; for purchase or exchange, maintenance, and operation of a passenger motor vehicle, $91,589,000. Capitol Building For all necessary expenses for the maintenance, care and operation of the Capitol, $46,125,000, of which $22,125,000 shall remain available until September 30, 2022. Capitol Grounds For all necessary expenses for care and improvement of grounds surrounding the Capitol, the Senate and House office buildings, and the Capitol Power Plant, $11,880,000, of which $2,000,000 shall remain available until September 30, 2022. Senate Office Buildings For all necessary expenses for the maintenance, care and operation of Senate office buildings; and furniture and furnishings to be expended under the control and supervision of the Architect of the Capitol, $110,346,000, of which $49,884,000 shall remain available until September 30, 2022. Capitol Power Plant For all necessary expenses for the maintenance, care and operation of the Capitol Power Plant; lighting, heating, power (including the purchase of electrical energy) and water and sewer services for the Capitol, Senate and House office buildings, Library of Congress buildings, and the grounds about the same, Botanic Garden, Senate garage, and air conditioning refrigeration not supplied from plants in any of such buildings