Roszheldorstroy OAO Spetsmostotrest (Open Joint-Stock Company), Bolshevo Station

Construction of a 604-linear-meter culvert at two levels.

1st level: drainage with a filter consisting of a half-socket pipe, crushed stone and non-woven material.

2nd level: gutters of 1.25-1.0 meter.


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Weeping of drainage and gutters on the surface
A newly laid culvert at Bolshevo Station
Inter-sleeper gutters and an air exhaust drainage standpipe