. Manual of recommended practice for railway engineering and maintenance of way . CLASS C,. Excavation 14 ROADWAY. Alinement. Subgrade. Cross-section. Width ofRoadbed. Slopes. ^SPECIFICATIONS FOR THE FORMATION OF THE ROADWAY. RECOMMENDED STANDARD SPECIFICATIONS. IN GENERAL. 1. The center of the roadbed shall conform in alinement to the centerstakes. 2. The grade-line on the profile denotes subgrade, and this termindicates the top of embankments or the bottom of excavations readyto receive the ballast. 3. The roadbed shall be formed to the section, slopes and dimensionsshown upon the standard d
. Manual of recommended practice for railway engineering and maintenance of way . CLASS C,. Excavation 14 ROADWAY. Alinement. Subgrade. Cross-section. Width ofRoadbed. Slopes. ^SPECIFICATIONS FOR THE FORMATION OF THE ROADWAY. RECOMMENDED STANDARD SPECIFICATIONS. IN GENERAL. 1. The center of the roadbed shall conform in alinement to the centerstakes. 2. The grade-line on the profile denotes subgrade, and this termindicates the top of embankments or the bottom of excavations readyto receive the ballast. 3. The roadbed shall be formed to the section, slopes and dimensionsshown upon the standard drawings, or to such modifications thereof asare required to meet special conditions, as may be from time to timedirected. 4. When finished and properly settled the roadbed shall conform tothe finishing stakes and shall be of the following dimensions at subgrade,for single track, viz.: On embankments (••••) ft. wide, and in excavations (••••) ^t., exclusive of the width necessary for ditches. For each additional track an additional width of (••••) ft. shall be mad
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroadengineering
