60 STAT.] 79TH CONG. , 2 D SESS.-CH. 544-JULY 9, 1946 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 Act of 1938, and highway structure projects financed wholly from the highway fund 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 procurement 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, $4,615,000, to remain available until June 30, 1948, and, in addition, not to exceed $50,000 of the $200,000 made avail- able in the District of Columbia Appropriation Act, 1945, for engineering and economic investigations of projects for future con- struction and for surveys, plans, specifications, and estimates for post- war highway improvements, is reappropriated and made available for the same purposes until June 30, 1948: Provided,That appropria- tions contained in this Act for highways, sewers, city refuse, and the Water Division shall be available for snow removal when ordered by the Commissioners in writing: Provided further, That the Commis- sioners are hereby authorized to purchase a municipal asphalt plant at a cost not to exceed $30,000: Provided further, That in connection with the highway planning survey, involving surveys, plans, engineer- ing, and economic investigations of projects for future construction in the District of Columbia, as provided for under section 10 of the Federal Aid Highway Act of 1938, and in connection with the con- struction of Federal-aid highway projects under section 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 Revised Statutes and the civil-service and classification laws, and for 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 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 com- pany in the manner 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 which it is collected: Provided further, That assessments in accordance with existing law shall be made for paving and repaving roadways, alleys, and sidewalks where such roadways, alleys, and sidewalks are paved or repaved with funds herein appropriated: Provided further, That in connection with projects to be undertaken as Federal-aid projects under the provisions of the Federal Aid High- 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 Works Agency: Provided further, That this appropriation may be used for payment to contractors and for other expenses in connection with the expense of design, construction, and inspection of grade-crossing 517 52 Stat. 633. 23U.S.C. 41b. 58 Stat. 525. Snow removal. Asphalt plant. 52 Btat. 636; 53 Btat. 1066. 52 Stat. 633. 23U..0.*41b. 41U.a.0.& Pod, p. 809. Street-railway pave- ments. D. C. Code *7-40. 2 Stat. 105. D. C. Code §7-40 Assessments for pavin and repavin. Contracts. 58 Stat. 838 23 U. S. C., Bpp. V, i 60-3. Gradeeaossing ei- inaton
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