Trolley refuges, It contains trolley refugee specifications and instructions of laying trolley refugee

It contains trolley refugee specifications and instructions of laying trolley refugee

1. 1.5_Trolley Refuges

2. Trolley refuges
•Trolley refuges are required to be provided over long
bridges, tunnels, cuttings & high banks at suitable
interval.

3. Trolley refuges
•Observation Posts–

Where, owing to curves in cuttings or other causes
view of the line is restricted, “observation posts”
should be established at such sites as command the
best view in both directions for the use of Flagmen,
thus enabling hand signals being conveyed to the
trolley on line.

4. TROLLEY REFUGES
•Maximum distance apart of trolley refuges shall
not exceed 1 km, subject to following:
•Cuttings– 200 m on straight and 100 m in curve.
•High banks– 200 m
•However, Railways may provide trolley refuges at
closer interval depending upon site conditions such
as speed of the trains in section, visibility, timings
of the trains, gradients etc.

5. TROLLEY REFUGES
•On double line these should be staggered,
alternate trolley refuges being on up and down
sides respectively.
•The space between the track should be filled with
ballast and levelled up to the rail level for easy off-
tracking of the trolleys opposite to the trolley
refuges.

6. TROLLEY REFUGES
•Maximum distance apart of trolley refuges on
bridges will be as under:-
•(1) On bridges with main spans of less than 100 m
– 100 m.
•(2) On bridges with main spans of 100 m. or more –
A refuge over each pier.

7. TROLLEY REFUGES
•Tunnels :- the maximum distance apart of trolley
refuges shall not exceed 100 m.
•For easy identification of the location of trolley
refuges in tunnels and deep cuttings a
distinguishing mark such as a rail post, painted
with luminous paint with a mark ‘R’ may be
erected by the side of the trolley refuge.

8. TROLLEY REFUGESTROLLEY REFUGES

9. TROLLEY REFUGESTROLLEY REFUGES

10. TROLLEY REFUGESTROLLEY REFUGES

11. TROLLEY REFUGESTROLLEY REFUGES

12. TROLLEY REFUGES BRIDGESTROLLEY REFUGES BRIDGES

13. Trolley refuges: photo

14. Refuges at bridges

15. REFUGES IN TUNNELREFUGES IN TUNNEL

16. THANKS