75TH CONG., 3D SESS.-CH. 62 -APR . 4, 1938 No part of any appropriation contained in this Act shall be avail- able for repairing, resurfacing, or paving any street, avenue, or road- way by private contract unless the specifications for such work shall be so prepared as to permit of fair and open competition in paving material as well as in price. In addition to the provision of existing law requiring contractors to keep new pavements in repair for a period of one year from the date of the completion of the work, the Commissioners of the District of Columbia shall further require that where repairs are necessary during the four years following the said one-year period, due to inferior work or defective materials, such repairs shall be made at the expense of the contractor, and the bond furnished by the contractor shall be liable for such expense. No part of the appropriations contained in this Act shall be used for the operation of a testing laboratory of the highways department for making tests of materials in connection with any activity of the District government. For personal services, trees, and parkings, $26,600. For contingent expenses, trees and parkings, including laborers, trimmers, nurserymen, repairmen, teamsters, hire of carts, wagons, or motortrucks, trees, tree boxes, tree stakes, tree straps, tree labels, planting and care of trees, and tree spaces on city and suburban streets, purchase and maintenance of non-passenger-carrying motor vehicles, and miscellaneous items, $100,000. WATER SERVICE The following sums are appropriated wholly out of the revenues of the water department for expenses of the Washington aqueduct and its appurtenances and for expenses for water department, namely: WASHINGTON AQUEDUCT For operation, including salaries of all necessary employees, main- tenance and repair of Washington aqueducts and their accessories, including Dalecarlia, Georgetown, McMillan Park, first and second High Service Reservoirs, Washington aqueduct tunnel, the filtration plants, the pumping plants, and the plant for the preliminary treat- ment of the water supply, ordinary repairs, grading, opening ditches, and other maintenance of Conduit Road, purchase, installation, and maintenance of water meters on Federal services; purchase, care, repair, and operation of vehicles, including the purchase and exchange of one passenger-carrying motor vehicle at a cost not to exceed $650; purchase and repair of rubber boots and protective apparel; and for each and every purpose connected therewith, $467,350. For replacements of inadequate worn-out, and obsolete chemical equipment, pump and screen housings of the Washington aqueduct, and for each and every purpose connected therewith, $140,000. Nothing herein shall be construed as affecting the superintendence and control of the Secretary of War over the Washington aqueduct, its rights, appurtenances, and fixtures connected with the same and over appropriations and expenditures therefor as now provided by law. For revenue and inspection and distribution branches: For per- sonal services, $185,170. For the maintenance of the water-department distribution system, including pumping stations and machinery, water mains, valves, fire and public hydrants, and all buildings and accessories, and motor- Open competition for street improve- ment contracts. Repairs for inferior work by contractors required for additional period. Use of funds for test- ing laboratory, etc., forbidden. Trees and parkings. Water Service. From water reve- nues. Washington Aque- duct. Maintenance, etc. , of, and accessories. Meters on Federal services. Replacements, etc. Superintendence of Secretary of War not affected. Revenue and in- spection and distri- bution branches. Operating expenses. 52 STAT.] 189
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