SEC. 15. The Act entitled "An Act to regulate the use of the Capitol Grounds", approved July 1, 1882 (22 Stat. 126), the second sentence of the first paragraph under the heading "Capitol Police", contained in section 1 of an Act entitled "An Act making appropriations for the legislative, executive, and judicial expenses of the Government for the fiscal year ending June thirtieth, eighteen hundred and ninetyseven, and for other purposes", approved May 28, 1896 (29 Stat. 143; U. S. C., title 40, sec. 213), the proviso in the paragraph "Lighting the Capitol and Grounds", contained in an Act entitled "An Act making appropriations for sundry civil expenses of the Government for the fiscal year ending June thirtieth, nineten hundred and one, and for other purposes", approved June 6, 1900 (31 Stat. 613; U. S. C., title 40, sec. 205), and sections 881 to 890, both inclusive, of the Act entitled, "An Act to establish a code of law for the District of Columbia", approved March 3, 1901 (31 Stat. 1333, 1334), are hereby repealed: Provided, however, That any violation of any of the provisions of said Acts hereby repealed, occurring before the date of this repeal, may be prosecuted to the same extent as if this Act had not been enacted.

SEC. 16. (a) The provisions of the foregoing sections of this Act, except section 9, shall not be construed to extend inside the Capitol Buildings; and the words "Capitol Buildings" as used in this Act, shall be construed to include the United States Capitol, Senate Office Building, House Office Buildings, Capitol Power Plant, and Legislative Garage.

(b) Nothing in this Act shall be construed to repeal, amend, alter, or supersede (1) section 1820 of the Revised Statutes (U. S. C., title 40, sec. 193); (2) an Act entitled "An Act to protect the public property, turf, and grass of the Capitol Grounds from injury", approved April 29, 1876 (19 Stat. 41; U. S. C., title 40, sec. 214); (3) except as provided in section 9 of this Act, section 15 of an Act entitled "An Act for the preservation of the public peace and the protection of property within the District of Columbia", approved July 29, 1892 (27 Stat. 325; U. S. C., title 40, sec. 101); (4) the second proviso in the item "Capitol garages" under the caption "Capitol Buildings and Grounds" contained in an Act entitled "An Act making appropriations for the legislative branch of the Government for the fiscal year ending June 30, 1933, and for other purposes", approved June 30, 1932 (47 Stat. 382, 391; U. S. C., title 40, sec. 185a); or (5) an Act entitled "An Act to authorize the use of part of the United States Capitol Grounds east of the Union Station for the parking of motor vehicles", approved July 8, 1943 (57 Stat. 390).

Approved July 31, 1946.

[CHAPTER 220-1ST SESSION]

[S. 723] AN ACT

To authorize the preparation of preliminary plans and estimates of cost for an: additional office building for the use of the United States Senate.

Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the Architect of the Capitol, subject to the direction and supervision of the Senate Office Building Commission created by the Sundry Civil Appropriation Act of April 28, 1904 (33 Stat. 481), the membership of which is hereby increased from three to five members, to be appointed by the President of the Senate, is authorized and directed to prepare preliminary plans and estimates of cost for an additional office building for the use of the United States Senate.

SEC. 2. The Architect of the Capitol is authorized to make such expenditures as may be necessary to carry out the provisions of this Act, and there is hereby authorized to be appropriated for such. purpose the sum of $25,000.

Approved July 11, 1947.

(243)

[CHAPTER 221-1ST SESSION]

[S. 980]

AN ACT

To amend the Act entitled "An Act to define the area of the United States Capitol Grounds, to regulate the use thereof, and for other purposes", approved July 31, 1946.

Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That section 14 (b) of the Act entitled "An Act to define the area of the United States Capitol Grounds, to regulate the use thereof, and for other purposes", approved July 31, 1946 (60 Stat. 718), is hereby amended to read as follows:

"(b) Regulations authorized to be promulgated under this section shall be promulgated by the Capitol Police Board and such regulations may be amended from time to time by the Capitol Police Board whenever it shall deem it necessary: Provided, That until such regulations are promulgated and become effective, the traffic regulations of the District of Columbia shall be applicable to the United States Capitol Grounds."

SEC. 2. Section 14 (c) of said Act is hereby amended to read as follows:

"(c) All regulations promulgated under the authority of this section shall, when adopted by the Capitol Police Board, be printed in one or more of the daily newspapers published in the District of Columbia, and shall not become effective until the expiration of ten days after the date of such publication, except that whenever the Capitol Police Board deems it advisable to make effective immediately any regulation relating to parking, diverting of vehicular traffic, or the closing of streets to such traffic, the regulation shall be effective immediately upon placing at the point where it is to be in force conspicuous signs containing a notice of the regulation. Any expenses incurred under this subsection shall be payable from the appropriation 'Uniforms and Equipment, Capitol Police'."

Approved July 11, 1947.

[CHAPTER 227-1ST SESSION]

[H. R. 3072]

AN ACT

To authorize the preparation of preliminary plans and estimates of cost of for the erection of an addition or extension to the House Office Buildings and the remodeling of the fifth floor of the Old House Office Building.

Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the Architect of the Capitol, subject to the direction and supervision of the House Office Building Commission, is authorized and directed to prepare preliminary plans and estimates of cost for (1) the erection of an addition or extension to the House Office Buildings for the use of the United States House of Representatives, including accommodations for parking of automobiles; (2) the remodeling of the fifth floor of the Old House Office Building to provide additional office accommodations for Members of the House of Representatives; and (3) the renewal of plumbing in the Old House Office Building.

SEC. 2. The Architect of the Capitol is authorized to make such expenditures as may be necessary to carry out the provisions of this Act, and there is hereby authorized to be appropriated for such purpose the sum of $25,000.

Approved July 11, 1947.

(245)

[CHAPTER 760-1ST SESSION]

[H. R. 6281]

AN ACT

To provide for certain improvements relating to the Capitol Power Plant, its distribution systems, and the buildings and grounds served by the plant, including proposed additions.

Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the Architect of the Capitol, under the direction of the House Office Building Commission, is hereby authorized and directed to effect the following improvements, with such modifications as the Commission may approve, relating to the Capitol Power Plant, its distribution systems, and the buildings and grounds served by the plant, including proposed additions:

(1) Convert the electrical lighting and power systems and other electrical equipment in all buildings and grounds, including the refrigeration plant, now served by the Capitol Power Plant, from twenty-five cycle and direct current to sixty cycle alternating current.

(2) Upon completion of such conversion, discontinue generating electrical energy at the Capitol Power Plant and purchase all electrical energy for the buildings and grounds now supplied by the plant; and prior to the completion of such conversion, the Architect of the Capitol, with the approval of the House Office Building Commission, may purchase such electrical energy as he may deem necessary for such buildings and grounds.

(3) Install, in lieu of present boiler equipment, two new modern spreader stoker-fired, coal-burning boilers, each approximately one hundred and eighty thousand pounds per hour capacity, four hundred pounds per square inch gage, including necessary auxiliary equipment, in the existing Capitol Power Plant building, for supplying steam for heating and other existing services for the buildings now supplied by the plant and the additional office building authorized by Public Law 785, Eightieth Congress, to be so supplied.

(4) Construct a new walk-through tunnel, including branch tunnels, from the Capitol Power Plant to the Senate Office Building, to be routed under North Carolina Avenue Southeast, Second Street Southeast and Northeast, and C Street Northeast; and upon completion of the new tunnel, abandon the section of the existing main steam tunnel structure between the Old House Office Building and the Senate Office Building when the same is no longer required for service.

(5) Install in the new tunnel duplicate steam supply lines and a condensate return line and necessary auxiliary equipment to supply steam for heating the buildings now being supplied by the section of the tunnel to be abandoned and the additional office building authorized by Public Law 785, Eightieth Congress; and install in the new tunnel chilled water lines for supplying air-conditioning