73d C ONGRESS . SESS. II . CH. 389 . JUNE 4, 1934 .
855 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 necessa ry dur ing th e four years follo wing th e said one-y ear pe riod, 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 approp riatio ns con tained in thi s Act shall be use d for the operation of a testing laboratory of the highways depart- ment for making tests of materials in connection with any activity of the District government . BRIDGES AND WHARVES For reconstruction, where necessary, and for maintenance and repair of wharves under the control of the Commissioners of the District of Columbia, in the Washington Channel of the Potomac River, $5,000 . TREES AND PARKINGS For personal services, $23,940 . For contingent expenses, including laborers, trimmers, nursery- men, repairmen, teamsters, hire of carts, wagons, or motor trucks, 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 nonpassenger-carrying motor vehicles, and mis- cellaneous items, $88,200 . Repairs, due to infe- rior work by con- tractor. Repayment . Laboratory tests . Bridges and wharves. Reconstruction, maintenance, etc . Trees and parking . Personal services . Contingent ex penses . SEWERS For personal services, $167,598 . For cleaning and repairing sewers and basins; for operation and maintenance of the sewage pumping service, including repairs to boilers, machinery, and pumping stations, and employment of mechanics and laborers, purchase of coal, oil, waste, and other suppl ies, and f or t he ma inten ance of n onpas senge r-ca rryin g mot or vehicles used in this work, $200,411 . For main and pipe sewers and receiving basins, $95,491 . For suburban sewers, including the maintenance of nonpassenger- carrying motor vehicles used in this work, and the replacement of the following motor trucks : Two at not to exceed $3,500 each; one at not to exceed $2,000; $150,000 . For assessment and permit work, sewers, including not to exceed $1,000 for purchase or condemnation of rights-of-way for construc- tion, m ainten ance, and re pair o f publ ic sewe rs, $1 20,094 . COLLE CTION AND D ISPOS AL OF REFUS E
Cit y refuse . For personal services, $126,900 .
Perso nal s ervi ces . For dust prevention, sweeping, and cleaning streets, avenues, Sweeping, eleaning, snow and ice r emov ai, alleys, and suburban streets, under the immediate direction of the etc. Comm issio ners, and for clean ing s now and i ce fr om s treet s, si de- walks, crosswalks, and gutters in the discretion of the Commis- sioners, including services and purchase and maintenance of equip- ment, rent of storage rooms; maintenance and repair of stables; main tenan ce an d rep air of no n-pas seng er-ca rryin g mo tor-p ropel led vehicles necessary in cleaning streets and purchase of motor-pro- pelled street-cleaning equipment; and necessary incidental expenses, Sewers . Personal services . Cleaning, repair, etc . Ma in and pipe . Suburban. Motor trucks. Assessment end per- mit work .
