EXAMPLES OF STEEL GRAIN ELEVATORS. 



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Steel Country Elevator. General plans of a steel grain elevator for the Manhattan Milling 

 Co., designed and conMrm ttd by the Minneapolis Steel & Machinery Co., Minneapolis, Minn., 

 are given in Kig. 4. This elevator could easily be changed to a shipping elevator by putting in a 

 wagon dump. Grain is run from the cars into the boot of the receiving leg, and is then elevated 

 and conveyed by a screw conveyor to the large storage bins, or is run into the temporary storage 

 bins, then cleaned and elevated and conveyed to the storage bins by the screw conveyor. The 

 1'ins are built of steel plates, and the working house is built of steel framework covered with cor- 

 rugated steel. This elevator has a capacity of 76,300 bushels but the scheme can be used for a 

 30,000 to 40,000 bushel elevator for either shipping or for milling purposes. 



THE INDEPENDENT STEEL ELEVATOR, OMAHA, NEB. General Description. 

 This elevator consists of a steel working house having a bin capacity of 240,000 bushels and 8 steel 

 storage bins having a storage capacity of 100,000 bushels each, making a total storage capacity of 

 1,040,000 bushels. 



The steel working house is 64 ft. X 70 ft., with 14 ft. sheds on two ends and one side, as 

 shown in Fig. 5. The sub-story of the building is 26 ft. The bins are 64 ft. 4 in. high, as shown 

 in Fig. 6, and are supported on steel columns, as shown in Fig. 6 and Fig. 7. The spouting story 

 is 24 ft. 6 in. high; the garner and scale story is 26 ft. 6 in. high; and the machinery story is 13 

 ft. 8 in. high. The walls below and above the bins are covered with No. 24 corrugated steel laid 

 with ij corrugations side lap and 3 in. end lap. The roof is covered with No. 22 corrugated steel 

 laid directly on the steel purlins with 2 corrugations side lap and 6 in. end lap. 



On the first or working floor the floor between the tracks is made of J in. plate bolted to the 

 beams, while the remainder of this floor is made of concrete filled in above concrete arches which 

 rest on the flanges of the beams with a finish ij in. thick of Portland cement mortar consisting 

 of one part cement to one part clean, sharp sand. The concrete is composed of one part Portland 

 cement, two parts sand, and five parts crushed stone. 



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FIG. 5. PLAN OF INDEPENDENT ELEVATOR. 



The floor of the cupola throughout the different floors and in the gallery leading over the 

 bins is made of No. 24 corrugated steel resting on steel framework, and covered with 3 in. of m- 

 crete and a one-inch finish of one to one Portland cement mortar troweled smooth. All doors 

 are of the rolling steel type. The window frames were made of 2 in. X 6 in. timbers and are 

 covered with No. 26 sheet steel. All windows are provided with I f in. checked rail sash and are 

 glazed with double strength glass. 



Painting. All steel work of every description was painted with one coat oxide of iron paint 

 at the. shop and a second coat after erection. The tank plates and corrugated steel were painted 

 on the exterior surface only after erection. 



Bins. The eight steel storage bins are 44 ft. in diameter and 80 ft. high, have a capacity of 

 100,000 bushels and rest on separate concrete foundations. The bins are constructed of steel 

 plates stiffened with Z-bars, as shown in Fig. 9. The bins are covered with a steel plate roof, 

 Fig. 12, supported on roof trusses, as shown in Fig. 1 1 and Fig. 13. A conveyor gallery 10 ft. 



