Plans, specifications and cost of elevation of a portion of the tracks of the H& NRY. . 2. During this time,as stated above, filling sand will be filled in between abutmentsto the required elevation and Tracks 1 and 2 laid aiid placed atthe proper distance from the property lines. After the piers andabutments have set for three weeks, traffic may be transferredfrom the present east and west bound main tracks to the elevatedTracks 1 and 2. 56. After traffio has been transferred to TraoKs 1 and 2, Tracks I3 and 4 may be elevated in the same manner as Tracks 1 and 2. Wnen it is necessary to place
Plans, specifications and cost of elevation of a portion of the tracks of the H& NRY. . 2. During this time,as stated above, filling sand will be filled in between abutmentsto the required elevation and Tracks 1 and 2 laid aiid placed atthe proper distance from the property lines. After the piers andabutments have set for three weeks, traffic may be transferredfrom the present east and west bound main tracks to the elevatedTracks 1 and 2. 56. After traffio has been transferred to TraoKs 1 and 2, Tracks I3 and 4 may be elevated in the same manner as Tracks 1 and 2. Wnen it is necessary to place cribbing to hold the sandback the section gangs employed on this construction work willplace it. After the four tracks have been elevated and the steelsuperstructures put in place, the subways may be completed byconstructing the curbing, cement sidev-alk, catch-basins, andmanholes and then paving the street after the street has beengraded dorn to the required elevation of sub-grade. The stone ballast may then be placed under the track andthe track placed in the proper condition. i. iiiil 1 S B ;i -^^^^^^^^^^^^^^^^^^^^^^^^^HHHII^^^^^^^^^^^^^PHHMHH^^^H^^^^^^^^^^^^^^^^HI^^^^Hplansspecificati00hein
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Keywords: ., bo, bookcentury1900, bookdecade1900, bookidplansspecificati00hein
