Page:U.S. Department of the Interior Annual Report 1879.djvu/69

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REPORT OF THE SECRETARY OF THE INTERIOR.
67

fire-proof, will contain about one-third more case-room than was before available, and, both in architectural beauty and in durability of construction, will be a great improvement over the old halls.

Under the capable management of Adolph Cluss, who designed the plan for reconstruction, and who was appointed engineer by the commission having the restoration in charge, the work thus far has been well and economically done.

The attention of Congress is called to the necessity of authorizing the construction of a new and fire-proof roof for the south and east wings, similar to the one designed for the north and west wings. The roof which now covers this portion of the building is little better than a tinder-box, and is liable at any time to be destroyed by fire. The copper roofing is laid upon a covering of boards, and these are fastened to light wooden rafters. The space beneath is traversed by numerous smoke-flues, many of which run horizontally for considerable distances. These imperfect and badly constructed flues are liable at any time to get out of order and endanger the safety of the building. I regard the recovering of this portion of the building with a fire-proof roof as absolutely necessary, and earnestly recommend that an appropriation sufficient for the purpose be made at as early a day as possible.

It is deemed advisable to substitute for the rotten wooden joists and lathing of the ceilings of the first story of the north wing, iron lathing fastened to iron frames; replaster and repaint the rooms and hall damaged by the fire, and to repair the brickwork and plastering of the arched ceiling of the west wing. This work was not included in the original estimates for the reconstruction of the building, and therefore an additional appropriation of $10,000 is asked for.

An appropriation of $6,000 is also recommended for the construction of a hydraulic elevator in the north wing, with approved safety apparatus, including a steam-boiler of steel, water-supply, steam-pump pressure, and discharge tanks, all of sufficient size to work, if necessary, two elevators and the necessary machinery.

It is estimated that it will cost $160,000 to properly fit up the two reconstructed wings with fire-proof model-cases, consisting of wrought-iron frames and doors, plate-glass fronts, and fluted-glass shelves. The necessary cases of hard wood finished in good style would cost about $90,000, but, as these would supply an amount of combustible material which might at any time endanger the best system of fire-proof construction, their adoption is not deemed advisable. Although the difference in cost between iron and wood cases would appear considerable, I am satisfied that it would be wise economy to have all model-cases in the future constructed of iron, and I therefore recommend that the necessary appropriation be made for this purpose.

I am, sir, very respectfully, your obedient servant,

Secretary.

The President.