Page:United States Statutes at Large Volume 16.djvu/165

 F ORTY—FIRST CONGRESS. Sess. II. Ch. 108. 1870. 131 iron; the washstands for principal stories to have China bowls and coun- ImP'<>V°· tersunk marble slabs.; for basement, entrance story, and upper stories, the mmm' washstands will consist of enameled iron. The public water-closets to have seltiacting hopper-closets ; the private closets to be pan—lever pull closets; all the bath·tubs to he copper-planished with seamless bottom to be set on well·boxes, let into the lead-lined floors. The plumber’s work for principalstory bath·tubs will all be provided with silver-plated cocks, plugs, and chains. Lead·lined small tanks with bells and ball cocks for the supply of evaporating puns of the ploil chambers, so as to supply moisture to the heated air throughout the ouse. No waste-pipe to be less than two inches, and no soil pipe to be less than five inches, interior diameter, and all to be securely and well connected with and trapped from the main sewer pipes leading to the canal. Three-inch main gas·pipes to be introduced for the supply of the house, and to be properly graduated throughout all the rooms, corridors, and passages of the house, stopcocks to be introduced in sufficient number, so ‘ as to enable the gas to be shut off immediately from any section of the building where any alarm of fire may be given. All the painting through the house, outside and inside, to be done in four coats, with best Lcwis’s white lead and linseed-oil, or zinc paint, as the case may require it. The parlors and public rooms of second and third stories to be finished artistically in parti-colors, with China gloss. The glazing of rear elevation and skylight, and so forth, to be done with best Baltimore glass, single or double as the case may require. All the down spouts from the roof to be connected with the sewer, so as to keep them from freezing and serve the purpose of ventilating the sewer. B. Wing along Seventh Street front. -- The entire frontage on Seventh Street, to the south of the above-described building, will be appropriated to a two-story building, seventy-five feet in width, and covered with a metal rooti For character of the foundations, reference is made to that specified for building on the avenue. There will be a cellar, containing an independent steam-heating apparatus for the second story of this building, arranged fully equal to the one described before. The first story will be arranged for a large and open market hall, prepared to receive convenient, large-sized, and tasty modern market stalls, not less than twenty feet high ; the floor to be laid with a proper fall towards traps for each stall or set of stalls, connecting by large-sized drain-pipes with the sewer. This hall will have a brick* floor upon a concrete foundation, except that part constituting the drive-way for wagons leading into the hol low square, and which will be laid with the most approved wood pave ment. Ample light and air will be thrown into this hall by pivoting wmdows on the east and west side, which will be glazed with ground glass to intercept the solar rays. Two rows of wrought-iron columns will support rolled-iron girders, supporting a fire-proof floor, constructed by brick arches sprung between rolled-iron double T beams. Wide fire-proofsta.irs of wrought and cast iron lead to the second story of this wing, containing ample and spacious office rooms. All these rooms to have wooden floors laid on concrete, filling up the haunches of the brick arches. The finish of this wing to be equal in substance and style to that of the office rooms in the new building lately erected for the department of agriculture; the partitions to be of brick wherever feasibleaand the ceiling to be light but fire-proofi The outside walls of this building to be constructed of the best hard-burned bricks, with a ehastely ornamented pressed·brick front, facing Seventh Street;- window-sash in imitation of French sash, glazed with crystal sheet-glass. The frame of the roof to be solidly constructed, and to be thoroughly trussed, ventilation shafts to reach above roof for market hall, and ventilating fines for all the office