PUBLIC LAWS-CH. 62 -APR . 4, 1938 Proviso. Designated expenses to be borne by Penn- sylvania Railroad Company. Additional culvert under Massachusetts Avenue Northwest. R. S. §3709. 41U.S.C.§5. 5U.S.C . §§661-674; Supp. III , §§ 673, 673c. Contracts. Opening streets, etc., permanent highway system. Proviso. Alley improve- ments, building lines, etc. Assessment and per- mit work. Disbursements, etc. Provisos. Assessments under existing law. Grade-crossing elim- ination projects. 49 Stat. 1521. Minor changes in sidewalks and road- ways. enter into contract or contracts for the completion of said bridge at a cost not to exceed $2,000,000: Provided, That the expense of necessary personnel to handle railroad traffic during construction and the changes in power and conductor lines incident to construc- tion of the bridge shall be borne by the Pennsylvania Railroad Company. For the construction of an additional culvert under Massachusetts Avenue Northwest in the line of Rock Creek and Potomac Parkway in accordance with plans and profiles to be approved by the Commis- sioners of the District of Columbia, including necessary changes, con- struction and reconstruction of roadways, sidewalks, and curbing, and construction of and changes in sewer and water mains, fire alarm and police patrol boxes, and construction, reconstruction and relocation of parkway roads, walkways, and so forth as may be approved by said Commissioners, travel expenses in connection with the inspection of material at the point of manufacture, employment of engineering and other professional services by contract or otherwise and without ref- erence to section 3709 of the Revised Statutes (41 U. S . C . 5) or the Classification Act of 1923, as amended, civil service requirements, and engineering and incidental expenses, $125,000, and the Commissioners are authorized to enter into contract or contracts for the completion of said culvert at a cost not to exceed $300,000. To carry out the provisions of existing law which authorize the Commissioners of the District of Columbia to open, extend, straighten, or widen any street, avenue, road, or highway, in accord- ance with the plan of the permanent system of highways for the District of Columbia, including the procurement of chains of title, $150,000, to remain available until June 30, 1940: Provided, That this appropriation shall be available to carry out the provision of exist- ing law for the opening, extension, widening, or straightening of alleys and minor streets and for the establishment of building lines in the District of Columbia; For assessment and permit work, paving of roadways under the permit system, and construction and repair of sidewalks and curbs around public reservations and municipal and United States build- ings, including purchase or condemnation of streets, roads, and alleys, and of areas less than two hundred and fifty square feet at the inter- section of streets, avenues, or roads in the District of Columbia, to be selected by the Commissioners, and including maintenance of non- passenger-carrying motor vehicles, $150,000; In all, $4,621,600, to be immediately available, to be disbursed and accounted for as "Street improvements", and for that purpose shall constitute one fund: Provided, 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 any portion of this appropriation may be used for payment to con- tractors and for other expenses in connection with the expense of design, construction, and inspection of grade-crossing elimination projects authorized under section 8 of the Act approved June 16, 1936 (49 Stat. 1521), pending reimbursement to the District of Columbia by the Department of Agriculture, reimbursement to be credited to fund from which payment was made. The Commissioners of the District of Columbia are authorized and empowered, in their discretion, to fix or alter the respective widths of sidewalks and roadways (including tree spaces and parking) of all highways that may be improved under appropriations contained in this Act. 188 [52 STAT.
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