PUBLIC LAWS-CH. 555-JUNE 19, 1948 tem, retaining walls, replacement and relocation of sewers, water mains, fire hydrants, traffic lights, street lights, fire-alarm boxes, police-patrol boxes, and curb-line trees, when necessary, Federal-aid highway projects under section 1 (b) of the Federal Aid Highway 52Stat. . Act of 1938, and highway structure projects financed wholly from 23the highway und upon the approval of plans for such structures by the Commissioners; for carrying out the provisions of existing laws which authorize the Commissioners to open, extend, straighten, or widen streets, avenues, roads, or highways, in accordance with the plan of the permanent system of highways for the District of Columbia, and alleys and minor streets, and for the establishment of building lines in the District of Columbia, including the procure- ment of chains of title; and for assessment and permit work, paving of roadways under the permit system, and construction of sidewalks and curbs around public reservations and municipal and United States buildings, including purchase or condemnation of streets, roads, and alleys, and of areas less than two hundred and fifty square feet at the intersection of streets, avenues, or roads in the District of Columbia, to be selected by the Commissioners, $5,250,000, to snow removal. remain available until June 30, 1950: Provided, That appropriations contained in this Act for highways, sewers, city refuse, and the Water Division shall be available for snow removal when ordered by the Municipal asphalt Commissioners in writing: Provided further,That in connection with the purchase and installation of a municipal asphalt plant on District owned property the Commissioners are authorized to make expendi- tures from this appropriation in an amount not exceeding $150,000 for the preparation of the site, including the construction of sea walls, dock facilities, and a railroad siding: Provided further, That in connection with the highway planning survey, involving surveys, plans, engineering, and economic investigations of projects for future construction in the District of Columbia, as provided for under sec- 52 tat. 636; 63tat. tion 10 of the Federal Aid Highway Act of 1938, and in connection lw. with the construction of Federal-aid highway projects under section 23 stSC 4Ib. 1 (b) of said Act, and highway structure projects financed wholly from the highway fund, this appropriation shall be available for the employment of engineering or other professional services by contract or otherwise, and without regard to section 3709 of the 41 U.S. . §6. Revised Statutes and the civil-service and classification laws, and 6ostat. 10. section 15 of the Act of August 2, 1946 (5 U. S. C . 55a), and for Street-railwaypave- engineering and incidental expenses: Provided further, That this appropriation shall be available for the construction and repair of pavements of street railways in accordance with the provisions of D. C . Code 17-0 the Merger Act (47 Stat. 752), and the proportion of the amount thus expended which under the terms of the said Act is required to be paid by the street-railway company shall be collected, upon the neglect or the refusal of such street-railway company to make such payment, from the said street-railway company in the manner D.0 at. . provided by section 5 of the Act of June 11, 1878, and shall be deposited to the credit of the appropriation for the fiscal year in andrepaving- which it is collected: Providedfurther, That assessments in accord- ance with existing law shall be made for paving and repaving road- ways, alleys, and sidewalks where such roadways, alleys, and side- walks are paved or repaved with funds herein appropriated: Pro- Contracts. vided further, That in connection with projects to be undertaken as Federal-aid projects under the provisions of the Federal Aid High- 58 Stat. 8. way Act of December 20, 1944, the Commissioners are authorized to enter into contract or contracts for those projects in such amounts as shall be approved by the Public Roads Administration, Federal Grade-crossing Works Agency: Prow'ded further, That this appropriation may be used for payment to contractors and for otherexpensesin onmay be used for payment to contractors and for other expenses in connec- 552 [62 STAT.
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