54 STAT.] 76TH CONG. , 3D SESS.-CH. 333 -JUNE 12, 1940 ELECTRICAL DEPARTMENT For personal services, $97,780. For general supplies, repairs, new batteries and battery supplies, telephone rental and purchase, telephone service charges, wire and cable for extension of telegraph and telephone service, repairs of lines and instruments, purchase of poles, tools, insulators, brackets, pins, hardware, cross arms, ice, record book, stationery, extra labor, new boxes, maintenance of motortrucks, and other necessary items, $35,700. For placing wires of fire alarm, police patrol, and telephone services underground, extension and relocation of police-patrol and fire-alarm systems, purchase and installing additional cables, labor, material, appurtenances, and other necessary equipment and expenses, $30,000. Street lighting: For purchase, installation, and maintenance of public lamps, lampposts, street designations, lanterns, and fixtures of all kinds on streets, avenues, roads, alleys, and public spaces, part cost of maintenance of airport and airway lights necessary for opera- tion of the air mail, and for all necessary expenses in connection therewith, including rental of storerooms, extra labor, operation, maintenance, and repair of motortrucks, this sum to be expended in accordance with the provisions of sections 7 and 8 of the District of Columbia Appropriation Act for the fiscal year 1912 (36 Stat. 1008-1011, sec. 7), and with the provisions of the District of Columbia Appropriation Act for the fiscal year 1913 (37 Stat. 181-184, sec. 7), and other laws applicable thereto, $757,500: Provided, That this appropriation shall not be available for the payment of rates for electric street lighting in excess of those authorized to be paid in the fiscal year 1927, and payment for electric current for new forms of street lighting shall not exceed 2 cents per kilowatt-hour for current consumed: Providedfurther, That no part of this appropriation shall be available for the payment on any contract required by law to be awarded through competitive bidding, which is not awarded to the lowest responsible bidder on specifications, and such specifications shall be so drawn as to admit of fair competition. 315 Personal services. Supplies, contin- gent expenses, etc. Placing wires of fire alarm, etc., services underground. Ante, p. 85 . Street lighting. Airway lights. 12 D. . Code §S91- 95, 97; Supp. V, §§91, 06. 12 D.C . Code 91; Supp. V, § 91. Provisos. Rates, limitation. Award to lowest bidder. PUBLIC SCHOOLS For personal services of administrative and supervisory officers in accordance with the Act fixing and regulating the salaries of teachers, school officers, and other employees of the Board of Edu- cation of the District of Columbia, approved June 4, 1924 (43 Stat. 367-375), including salaries of presidents of teachers colleges in the salary schedule for first assistant superintendents, $704,550. For personal services of clerks and other employees, $192,340. For personal services in the department of school attendance and work permits in accordance with the Act approved June 4, 1924 (43 Stat. 367-375), the Act approved February 5, 1925 (43 Stat. 806-808), and the Act approved May 29, 1928 (45 Stat. 998), $41,500. For personal services of teachers and librarians in accordance with the Act approved June 4, 1924 (43 Stat. 367-375), including for teachers colleges assistant professors in salary class eleven, and pro- fessors in salary class twelve, and including $12,900 for health and physical education teachers to supervise play in schools of the central area bounded by North Capitol Street on the east, Florida Avenue on the north, the Mall on the south, and Twelfth Street on the west, Administrative and supervisory ofiloers. 7 D.. .Code § 31- 47; Supp. V,0 31-46 . Clerks, etc. School attendance and work permits de- partment. 7 D. C. Code I531- 47; Supp. V, 55 31-46. 7D. C.CodeII91- 143. Teachers,librarians, etc. 7D.C.Code,ch.2; Supp. V, ch. 2.