The Water Supply of the El Paso and Southwestern Railway from Carrizozo to Santa Rosa, N. Mex.

Author: J.L. Campbell
Published: 1910
Language: English
Wordcount: 10,290 / 38 pg
Flesch-Kincaid Reading Ease: 78
LoC Categories: TC, TF
Downloads: 404
Added to site: 2005.08.06
mnybks.net#: 11288
Origin: gutenberg.org
Genre: Non-fiction
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Excerpt

ection of iron pipe for these pressures was, first, as between steel and cast-iron; and, second, as between the lead joint of the standard bell and spigot pipe and the machined iron joint of the universal joint pipe. Again, the choice was as between lead and leadite for the bell and spigot pipe.

Cast iron was selected because of the certainty of its long life, and the bell and spigot pipe was selected on the basis of comparative costs for pipe laid. The standard lead joint was chosen on the result of tests. This cast-iron pumping main has a diameter of 12 in. throughout.

_Pipe Weights._--Makers of standard bell and spigot pipe urged the usual heavy weights selected for municipal service and heavy water-hammer. Three pressures, viz., 217, 260, and 304 lb., were used for the division of pipe weights, on which the standard pipe-makers specified shell thicknesses of 0.82, 0.89, and 0.97 in. Eliminating water-hammer and adopting a working stress of 2,400 lb., the thicknesses are reduced to 0.54, 0.6

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