Railroad Clearance Diagram. B all railway bridges snowsheds and overhead timber bridges shall afford the minimum clearances as set out in diagram 2. To ensure that the path required for the passage of trains is kept clear along the route of a railway a structure gauge is imposed.
46 employees must not ride the side or above the roof of a moving engine or car when passing side andor overhead restrictions. The cess shown each side of the alignment is the area available for a walkway or refuge for staff working on the track. Length of sleeper l 2500mm 2600mm.
At least 22 feet 6 inches above the top of the rail head.
Like the prototype the nmra recommends obstacle clearance in the form of clearance diagrams it presents in the new rp 71. Narrow gauge railroads in other parts of the country may be different. Depth of track construction d 365mm. The cess shown each side of the alignment is the area available for a walkway or refuge for staff working on the track.