The Liluah Railway Carriage and Wagon Workshop in Howrah, West Bengal overhauls various types of coaches and wagons. It has different shops that perform maintenance like the L shop which handles four types of wagons, the LHB shop which maintains higher speed trains, and the M shop which does overhauls of ICF, BEML, and RCF coaches. The workshop also has facilities like the welding shop, corrosion treatment shop, calibration room, and performs tasks like shot blasting, load testing, and grading/color coding of parts.

1. CARRIAGE AND WAGON
WORKSHOP
BY:- VISHAL
KUMAR

2. About Liluah workshop
The Railway Carriage and Wagon Workshop was established by East Indian
Railway Company at Howrah and shifted to the present location at Liluah in
1900.
The workshop is spread over an area of 299,000 sq m and has a staff
strength of 9,990.
The workshop is primarily engaged in overhauling of coaches.
Only workshop in india where the RAJDHANI express is overhauled.

3. L shop
This shop deals with the maintenance of various types of wagon.
The wagons are mainly categorized into four types:
1.BLC-BOGIE LOW CONTAINER PLATFORM WAGON
2.BVZI-BREAK VAN FITTED WITH ICF BOGIE
3.BOXN-BOGIE OPEN FITTED WITH AIR BRAKE WAGON
4.BCN-BODY COVERED WAGON

4. BLC WAGON

5. BVZI WAGON

6. BOXN WAGON

7. BCN WAGON

8. LHB SHOP
• This shop deals with the maintenance of coaches of Rajdhani, Duronto.
• produced by Rail Coach Factory in Kapurthala, India.
• The coaches are designed for an operating speed up to 160 km/h and could
go up to 200 km/h.
• Indian Railways have decided to replace the conventional air-conditioned and
non-air-conditioned Integral Coach Factory made coaches with the LHB
coaches in all the trains by the end of 2016.

9. LHB COACH

10. M Shop
 The following are the basic work done in M
shop(Maintenance)
 Primarily overhauling of ICF,BEML and RCF coaches is
done.
 Coach replacement and dismantling
 Dismantled parts are sent to respective shops for analysis
 Basic Parts of a coach - Body and Bogie
 Lower portion of the body comprises of Headstock, Outer
Headstock and Inner Headstock

11. M shop(contd.)
 I section between Inner Headstock and Outer Headstock
 Trough Floor on which the body rests
 Body has Bogie Bolster on its two ends to fit into the Bogie
Parts of Bogie Bolster are- Centre Pivot at the centre and side bearers at the two sides
 Portion of the body between body bolsters act as simple supported beam
End of the body from the body bolster act as cantilever beam
8 lifting pads at the sides of the body used for overhauling

12. WELDING SHOP
• Welding is the process of joining of two similar metals or dissimilar metals.

13. C SHOP
CORROSION TREATMENT SHOP deals with the corrosive treatment of the railway body parts.
Phosphating treatment:- Degreasing Swirling Derusting Swirling
Phosphating
Powder coating:- Swirling
Sealing
Drying

14. CTRB SHOP
• This shop deals with the
Maintenance of bearings.

17. calibration room
• Calibration is process of finding a relationship between two unknown (when
the measurable quantities are not given a particular value for the amount
considered or found a standard for the quantity) quantities.

18. Snap gauge

19. E Shop

20. Shot Blasting machines
Shot blaSting iS a method
uSed to clean, Strengthen
(peen) or poliSh metal.

22. Caustic bath
• Caustic cleaning involves the use of a hot
alkali solution to remove organic
contaminants like dirt, paint, markings,
grease, and oil from the metal surface.
The main component of the caustic bath
is sodium hydroxide, also known as
caustic soda.

23. Magnetic crack detector

24. Load testing

25. Grading and colour coding