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PUBLIC LAW 637--JUNE 29, 1956
[70 S T A T.
DEI»ARTMENT OF SANITARY ENGINEERING
Capital outlay, Department of Sanitary Engineering: For construction of sewers and extension of the District of Columbia waterdistribution system; assessment and permit work; purchase or condemnation of lands and rights-of-way for construction, maintenance, and repair of sewers, water mains, and Sewage Treatment P l a n t; continuing construction on aeration plant and secondary sedimentation tanks, reconstruction, enlargement, rehabilitation, major repair and replacement of grit removal, sludge digestion, heating and other existing equipment and facilities; rehabilitation and replacement of screening and flow control facilities at the main sewerage pumping station; laying water mains and sewers in advance of paving and installing fire and public hydrants; constructing trunk water mains and low service reservoir in Brentwood P a r k; to remain available until expended, $10,068,000, of which $1,200,000 shall not become available for expenditure until July 1, 1957, and $4,610,000 shall be payable from the water fund, and $5,458,000 shall be payable from the sanitary sewage works fund: Provided, That this appropriation and the appropriation "Operating expenses. Department of Sanitary Engineering" shall be available for the employment of engineering or other professional services by contract or otherwise, and for engineering and incidental expenses. The Secretary of the Treasury is authorized to sell United States securities now held for and on account of the water fund of the District of Columbia in such amounts as may be certified by the Commissioners as necessary and credit the proceeds of such sale to said water fund. WASHINGTON AQUEDUCT
60 Stat. 810.
Capital outlay, Washington Aq^ueduct (payable from water fund): For continuing construction of Little Falls pumping station, dam and rising tunnel; continuing construction of Dalecarlia filter and chemical buildings; beginning construction of flocculation-sedimentation basin at Dalecarlia; miscellaneous betterments, replacements, and engineering planning of water supply facilities, including continuing raw-water conduit rehabilitation, utility relocations, and plant system rearrangements and interconnections; Georgetown conduit metering installation; acquisition by gift, exchange, purchase, or condemnation of supplementary land; and for developing increased water supply for the District of Columbia and environs in accordance with House Document 480, Seventy-ninth Congress, second session; and necessary expenses incident thereto; including services as authorized by section 15 of the Act of August 2, 1946 (5 U.S.C. 55a), but at rates for individual consultants not in excess of $150 per diem; to remain available until expended, $3,500,000. REDUCTION I N APPROPRIATIONS
68 Stat. 389.
The following appropriation is hereby reduced in the sum hereinafter set forth, such sum to be covered into the general fund of the District of Columbia: Capital outlay, public building construction, for new tuberculosis building at the District of Columbia General Hospital, including equipment (Act of July 1, 1954), $2,600,000. GENERAL PROVISIONS
Vouchers.
gj,(, 2. Exccpt as othcrwisc provided herein, all vouchers covering expenditures of appropriations contained in this Act shall be audited before payment by or under the jurisdiction only of the accounting
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