. Building and repairing railways ... : Forming one of the series of the volumes comprised in the Revised and enlarged edition of The science of railways, . FiG. 46. RIGHT AND LEFT HAND DUMP Fig. 48. ROTARY DUMP CAR. tractor must perform is decided upon in advance,and is known at the time the work is bid upon;a price is also agreed upon for each 100 feet thatmaterial is hauled in excess of the free haul.* *The length of free haul is different with different roads, butone thousand feet is often adopted. 108 BUILDING AND REPAIRING RAILWAYS. Earth cuts are handled in much the same man-ner
. Building and repairing railways ... : Forming one of the series of the volumes comprised in the Revised and enlarged edition of The science of railways, . FiG. 46. RIGHT AND LEFT HAND DUMP Fig. 48. ROTARY DUMP CAR. tractor must perform is decided upon in advance,and is known at the time the work is bid upon;a price is also agreed upon for each 100 feet thatmaterial is hauled in excess of the free haul.* *The length of free haul is different with different roads, butone thousand feet is often adopted. 108 BUILDING AND REPAIRING RAILWAYS. Earth cuts are handled in much the same man-ner as described for excavations for large earth cuts the contractor often lays anarrow gauge track, and conveys the material indump carts hauled by horses or a steam engine,as shown in Figs. 46, 48 and 49. The earth is
Size: 2124px × 1177px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1906
