International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 463
ds theends of the ties. Its surface at the inside line B of the railsshould be such as to permit the shovel to be passed freelyunderneath the rail between the ties, and the slope 1052 TRACK WORK. continued to the end of the tie where it should just meet thebase of the tie. Outside of the ties, the… … Fig. 5or. Provision must be made for conducting this surface waterinto natural channels. This is accomplished by means ofside ditches. DRAINAGE. 1619. Ditching and Ballasting.—All railroad man-agers and operators are united in their estimate of the im-portance of thorough drainage. This can be…
Railroad engineering
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