1. Introduction of Carriage & Wagon
1.1 Role of C&W in Railways
A. Related with Open Line working:-
- To ensure and co-operate in safer running of rolling stock.
- To attend required schedule maintenance & running repairs of rolling Stock till the stock are again due for P.O.H.
- To assist in time running of trains to maintain the punctuality.
B. Related with Work -Shop working:-
1.2 Classification of Rolling Stock
- Rolling Stock: - It is a term for the stocks of coaching, freight (Goods) & Locomotive.
- Coaching Stock: - All coaching vehicles including selfpropelled units such as rail cars, electrical multiple units (luggage & brake van) fit to run with coaching stock are known as coaching stock.
- Goods Stock: - All goods stock other than coaching stock whether attached to passenger or goods train is known as goods stock.
- Coaching Stock (Vehicle): - It is a term used only for coaching stock. There are two types of Coaching Stock
i. Passenger coaching vehicles (PCV): - A vehicle in which whole or partial portion is being utilized for carrying passengers.
ii. Other coaching vehicles (OCV): - It comprises salons, inspection cars, medical cars, tourist cars, parcels & horse van, composite luggage Power Cars, Pantry Cars & brake van.
1.3 Types of Coaches
I. ICF: - Integral Coach Factory. (Perambur, Chennai) & Rail Coach Factory, Kapurthala (Punjab)
II. LHB COACHES: LHB body with FIAT bogie (Linke Holfmann Busch – German):-Maximum Permissible Speed 160 kmph
III. Hybrid Coach: LHB Body on Modified ICF Bogie – Running in same of the Duranto Rake.