International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 284
s point is at grade, i.e.,where the plane of grade cuts the ground. The stake ismarked by two ciphers 0.0^ and its location recorded in thenote book. By means of the rods,the left slope stake at E islocated. As the left slope is in excavation, the left half ofthe roadway will be one foot greater in… … Fig. 382. one-half the width of the roadway, viz., 9 feet, and the depthof cutting. In Fig. 381, the cut is 6.8 feet; consequently,the slope stake is set at 9 + 6.8 = 15.8 feet from the centerline. When the cross-section is irregular, intermediatereadings are taken as shown in Fig. 382. In this…
Railroad engineering
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