SUBJECT: TRANSPORTATION ENGINEERING (1615404) TOPIC: RAILWAY ENGINEERING (STATION AND YARDS) BRANCH: CIVIL ENGG. SEMESTER: 4TH LEVEL: DIPLOMA PREPARED BY: RAJKISHOR, LECTURER (CIVIL ENGG) Track Junction The arrangement which is made for transferring a train from one track to the other, is called Track Junction. This is generally of following types: • Cross Over • Scissor Cross • Diagonal Crossing • Triangular Crossing Check Rail Stretcher Bar Layout of Cross Over Layout of Scissor Cross or Acute Crossing Layout of Diamond Crossing or Obtuse Crossing Layout of Triangular Crossing Railway Station A railway station is a railway facility or area where trains regularly stop to load or unload passengers or freight or both. It generally consists of at least one track-side platform and a station building providing such ancillary services as ticket sales, waiting rooms and baggage/ freight service. Stations may be at ground level, underground or elevated. Factors affecting selection of site for railway station are: • It should be at affordable distance from the localities. • It should have proper approach road connecting nearby areas. • Fairly level ground is preferred. • Sufficient land availability for future expansion and development. Requirement of Railway Station • The arrangement for controlling the movement of trains by signal. • Sufficient space available for receiving, sorting and dispatching the trains. • Sufficient no. of platform for passengers and handling goods. • Arrangement for inspection and maintenance of tracks • Water columns • Easy and comfortable approach roads • Waitting halls and retiring rooms. • Guide map of city for separate arrival and departure of trains. • Booking office for issuing tickets and for goods. • Name board of the station. • Staffroom • Arrangement of drinking water, WCs and bathroom. • Suitable light arrangement. • An enquiry office • Security guard room. Type of Railway Station Railway stations are classified under three categories: • Way-side Station: These type of stations are located on running lines. These allow faster train to overtake a slower train. For this, loop line and siding are provided. Way-side stations are of three types- Halt Station, Flag Station & Cross Station. Way-Side Station in Single Line • Junction Station: In this type of stations, lines from three or more directions meet. The junction has minimum of one main line & one branch line. • Terminal Station: The dead end of incoming track or the station at which railway line ends or terminate, is called terminal station. Junction Station Terminal Station Station Yards • Station yards: It is a place on the track where train stops for clearing passengers and goods traffic. • Types of Station yards: 1. Passenger bogie yard 2. Goods Yard 3. Locomotive Yard 4. Marshalling Yard • Passenger Bogie Yard: The main objectives of this yard are- . To provide safe movement of passengers. To provide facilities like banking, enquiry, waiting place for passengers etc. • Goods Yard: The goods yard facilitates the receiving, loading, unloading, delivery of goods. • Locomotive Yard: The yard where all facilities of maintenance like cooling, watering, repairing, oiling, cleaning etc. are provided for locomotive are called locomotive yard. • Requirement of Locomotive Yard: . It should be properly arranged so that maintenance work can be done smoothly. It must be located near passenger or good yard. There should be facility of hydraulic jack. It should be provided with locoshed, water column and fuel platform. It should have sufficient space for future expansion. • Marshalling Yard: . In this yard from different lines, empty wagons are received. These trains are separated, sorted for different destination and dispatched to respective destination. Types of Marshalling yards- Hump yard, Gravitational Yard & Flat Yard. WATER COLUMN . Water columns are provided for supply of water to locomotives. It consists of vertical pipe and attached with either horizontal or swan neck pipe with movable adjustment as shown in figure. Water Column .