63 STAT.] 81ST CONG. , 1ST SESS.-CH. 506 -AUG. 24, 1949 PUBLIC BUILDINGS ADMINISTRATION For carrying into effect the provisions of the Public Buildings Acts, as provided in section 6 of the Act of May 30, 1908 (31 U. S. C . 683), and for the repair, preservation, and upkeep of all completed public buildings under the control of the Federal Works Agency, the mechanical equipment and the grounds thereof, and sites acquired for buildings, and for the operation of certain completed and occupied buildings under the control of the Federal Works Agency, including furniture and repairs thereof, but exclusive, with respect to operation, of buildings of the United States Coast Guard, of hospitals, quaran- tine stations, and other Public Health Service buildings, mints, bullion depositories, and assay offices, and buildings operated by the Treasury and Post Office Departments in the District of Columbia: General administrative expenses: For necessary expenses of the Public Buildings Administration, personal services in the District of Columbia; ground rent of the Federal buildings at Salamanca, New York, and Columbus, Mississippi, for which payment may be made in advance; $1,763,000, together with the unobligated balance of funds appropriated for the return of departmental functions to the seat of government, contained in the "Independent Offices Appropriation Act, 1948": Provided,That the foregoing appropriations shall not be avail- able for the cost of surveys, plaster models, progress photographs, test pits and borings, or mill and shop inspections, but the cost thereof shall be construed to be chargeable against the construction appropria- tions of the respective projects to which they relate. Repair, preservation, and equipment, outside the District of Columbia: For the repair, alteration, improvement, preservation, and equipment, not otherwise provided for, of completed Federal build- ings, the grounds and approaches thereof, wharves, and piers, together with the necessary dredging adjacent thereto, and care and safeguard- ing of sites acquired for Federal buildings and of surplus real property, the custody of which is the responsibility of the Public Buildings Administration under the Act of August 27, 1935, pending sale or disposition; the demolition of buildings thereon; the purchase and repair of equipment and fixtures in buildings under the administration of the Federal Works Agency; and for changes in, maintenance of, and repairs to the pneumatic-tube system in New York City installed under franchise of the city of New York, approved June 29, 1909, and June 11, 1928, and the payment of any obligations arising there- under in accordance with the provisions of the Acts approved August 5, 1909 (36 Stat. 120), and May 15, 1928 (45 Stat. 533) $10,000,000: Provided,That the total expenditures for the fiscal year for the repair and preservation of buildings not reserved by the vendors on sites acquired for buildings or the enlargement of buildings and the installa- tion and repair of the mechanical equipment thereof shall not exceed 20 per centum of the annual rental of such buildings. Salaries and expenses, public buildings and grounds in the District of Columbia and adjacent area: For expenses necessary for the admin- istration, protection, maintenance, and improvement of public build- ings and grounds in the District of Columbia and the area adjacent thereto, maintained and operated by the Public Buildings Adminis- tration, including repair, preservation, and equipment of buildings operated by the Treasury and Post Office Departments in the District of Columbia; rent of buildings; demolition of buildings; expenses incident to moving various executive departments and establishments in connection with the assignment, allocation, transfer, and survey of building space; traveling expenses; the purchase of two passenger motor vehicles for replacement only; furnishings and equipment; arms and ammunition for the guard force; and purchase, repair, and 639 35 Stat. 637. 61 Stat. 694. Surveys, models, etc. 49 Stat. 885 . 40 U. . C. §304a- 304e. Pneumatic-tube system, New York City. Limitation. Post, p. 977.