. Railroad structures and estimates . Fig. 82. Details of Tile Drain. Surface and Sub-surface Drainage (A. R. E. A.).— 1. Water should 1k kept off the roadbed if possible. 2. Intercepting ditches should be constructed for the protectionof cuts. 3. Intercepting ditches or pipe drains should be provided forthe protection of banks built on saturated soils. 4. Side ditches should be const rue! ed in cuts through all classesof materials. 5. Pipe drains should be provided for the drainage of wetcuts. TRACK VALITS. EQUATING TRACK determine liow the proper standard of maintenance maybest be
. Railroad structures and estimates . Fig. 82. Details of Tile Drain. Surface and Sub-surface Drainage (A. R. E. A.).— 1. Water should 1k kept off the roadbed if possible. 2. Intercepting ditches should be constructed for the protectionof cuts. 3. Intercepting ditches or pipe drains should be provided forthe protection of banks built on saturated soils. 4. Side ditches should be const rue! ed in cuts through all classesof materials. 5. Pipe drains should be provided for the drainage of wetcuts. TRACK VALITS. EQUATING TRACK determine liow the proper standard of maintenance maybest be obtained and at the same time assign ecjual or equiva-lent duties to all trackmen the following table of equated trackvalues has been suggested by the Roadmasters antl Maintenanceof Way Association. EQUATED TR.\CK VALUES FOR PRACTICAL APPLICATION. Class. Force, one foreman and A. Double track lines < yy I gA. Single track lines \ B. Single track lines ! ^y ( g C. Single track lines < ly 6 men 3 men 4 men 3 men 4 men 2 men
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Keywords: ., bookcentury1900, bookdecade1910, bookidrailroadstructur00orrouof
