(1) In these rules, unless the context otherwise requires,
(i) accident means any occurrence which causes or has the potential to cause death or injury to staff, passengers or other persons or cause damage to the property of the Metro Railway, passengers or other persons;
(ii) Act means the Metro Railways (Operation and Maintenance) Act, 2002, (60 of 2002);
(iii) adequate distance means the distance sufficient to ensure safety;
(iv) approach lighting means an arrangement in which the lighting of signals is controlled automatically by the approach of a train;
(v) approved special instructions means special instructions approved by the Commissioner;
(vi) Authorised Officer means an officer of the Metro Railway administration who is duly empowered by general or special order of the Metro Railway administration, either by name or by virtue of his office, to issue instructions.
(vii) Authorised Electrical Person means any person who is duly authorised by an officer of the Metro Railway administration empowered for this purpose, either by name or by designation, to perform specific work on the electrical equipment or circuitry;
(viii) authorised employee means a Metro Railway employee to whom a competency certificate has been issued by the metro Railway Administration;
(ix) authority to Proceed means the authority given to the Operator of a train, under the system of working, to enter the block section with his train;
(x) Automatic Fare Collection system means an automatic system for collection of fares and issuing of tickets;
(xi) Automatic Mode means the mode of operation of train under Automatic Train Operation where train is driven automatically including control of acceleration, coasting, braking and stopping of trains;
(xii) Automatic Train Operation means a sub-system of Continuous Automatic Train Control system, which automatically controls acceleration, coasting, braking and stopping of trains;
(xiii) Automatic Train Protection means a sub-system of Continuous Automatic Train Control System which maintains safe train operation, including train direction, train separation, interlocking and speed enforcement;
(xiv) Automatic Train Supervision means a sub-system of Continuous Automatic Train Control system which automatically monitors the entire system and directs train running so as to provide scheduled service under normal circumstances;
(xv) Auxiliary Systems Controller means a metro railway employee competent and responsible for the control of the Auxiliary systems including tunnel ventilation system, station air conditioning and building management system of the Metro Railway;
(xvi) Axle Counter means an electrical device which, when provided at two given points on the track, proves, by counting axles in and counting axles out , whether the section of the track between the said two points is clear or occupied;
(xvii) Baggage Handling System means a mechanised train borne and station-based system meant for transfer of passenger's baggage between stations and to the Airport terminal;
(xviii) Berth means length of track nominated to be occupied by a train adjacent to a platform or in the Depot;
(xix) Block section means the portion of the running line, as specified by special instructions, on to which no running train may enter, until permission to approach has been received;
(xx) Blue Light Station means a location indicated by a blue light where a person can communicate with the Operations Control Centre and disconnect traction power of a specified section to stop a train, in an emergency;
(xxi) Building Management System means a control panel or workstation installed at every station to monitor and control proper functioning of building services, including safety critical systems;
(xxii) Cab Signal means visual indication displayed as speed limit and target distance on the train operator's console granting him the authority to proceed under Automatic Mode, or Coded Manual Mode of driving;
(xxiii) Calendar Day means the period from midnight to midnight;
(xxiv) Car Shed or Service Depot means an area where the Metro Railway trains and coaches are berthed either for repair or for any other attention including stabling;
(xxv) Caution Order means an instruction given to the Train Operator to observe special precautions including speed reduction at notified locations;
(xxvi) Certificate of Competency means the certificate issued to the Metro Railway employee after he has been examined for his knowledge of rules, regulations, procedures and manuals relevant to his duties, and found fit;
(xxvii) Chief Controller means the metro railway employee in overall charge of Operations Control Centre functions;
(xxviii) Coded Manual Mode means the mode of operation of train under Continuous Automatic Train Control System where train is driven manually but remains subject to maximum speed determined by Automatic Train Protection codes;
(xxix) Commissioner means the Commissioner of Metro Railway Safety appointed under Section 7 of the Act;
(xxx) Connections , when used with reference to a running line, means the arrangements used to connect such line with other lines or to cross it;
(xxxi) Continuous Automatic Train Control system means an automatic system of controlling and monitoring train movements continuously by means of sub-systems, namely, Automatic Train Protection System, Automatic Train Operation system and Automatic Train Supervision System;
(xxxii) Cross Passage means a physical connection between two single track tunnels, which is used for maintenance of the Metro Railway, and can also be used for evacuation of passengers and for other relief works during emergencies;
(xxxiii) Cut Out Mode means the mode of operation of trains under Continuous Automatic Train Control system when train borne Automatic Train Protection Equipment is cutout;
(xxxiv) Depot Controller means a Metro Railway employee responsible for movements of rakes within the depot area including interchange of rakes between the depot and the main line;
(xxxv) Departure Order Indication is an indication on a display panel in the train operator's cab conveying authority to the Train Operator to proceed or start his train;
(xxxvi) Driverless Train Operation (DTO) means a train operation where a train can start and stop itself but a train attendant may be present to operate the train doors and to manually drive the train in case of emergencies.
(xxxvii) Electrical way and works means the traction installations including overhead equipment or third rail equipment and other connected works provided on the electrified sections of the metro railway;
(xxxviii) Emergency means an occurrence where there is an imminent or a continuing risk of injury and damage or major disruption to the metro railway service;
(xxxix) Emergency Stop Plunger means the device, the operation of which causes the trains, within the station limits, running on Automatic Train Protection, to come to a stop;
(xl) Engineer's Possession means a defined section of track under the sole control of an authorised employee for a specific length of time;
(xli) Engineering Train Unit means a train which is used for the maintenance and repairs of track side fixed infrastructure;
(xlii) Facing and Trailing Points means points are facing or trailing in accordance with the direction a train or vehicle moves over them and the points are said to be facing points when by their operation, train approaching them can be directly diverted from the line upon which it is running;
(xliii) Feeding Post means a supply control post in overhead traction, where the incoming feeder lines from grid sub-station are terminated;
(xliv) Fixed Signal means a signal of station at a fixed location controlling the movement of trains and forming part of the signalling system;
(xlv) Fouling Mark means the mark at which the infringement of fixed Standard Dimensions occurs where two lines cross or join one another;
(xlvi) Headway means the time interval between two successive trains;
(xlvii) Incident means any occurrence which causes or has potential to cause delay or disruption to passenger services;
(xlviii) Inspection Car means a self propelled vehicle, which is used for the inspection, maintenance and repairs of the equipments of the metro railway;
(xlix) Insulated Third Rail Joint means a special joint for the purpose of sectioning the third rail being powered from different traction substations;
(l) Interlocking means an arrangement of signals, points and other appliances, operated from a panel or work-station, so interconnected by mechanical or electrical or electronic locking, or any combination thereof, that their operation must take place in proper sequence to ensure safety;
(li) irrevocable Emergency Brake means that when an emergency brake gets applied, intentionally or otherwise, the brake remains applied until the train speed comes to zero and the cause of application of the emergency brake is removed or reset;
(lii) Isolation means an arrangement secured by the setting of points, or other approved means, to protect the line so isolated from obstruction due to movement on other connected line or lines;
(liii) Jumper Cable means a cable provided with clips for use as a temporary electric connection to bridge a gap in a running rail, cable or pipe;
(liv) Local Control means the assumption of the responsibilities of the Traffic Controller for the specific station by a person who is authorized to do so for the time being;
(lv) Metro Railway Employee means an employee duly qualified, possessing a valid certificate of competency and nominated to undertake and perform the duties entrusted to him;
(lvi) Neutral Section means a short section of insulated and dead overhead equipment, which separates the areas fed by adjacent sub-station or feeding post for AC traction system;
(lvii) Normal Direction of Traffic means traffic moving on the left side track;
(lviii) Obstruction with its cognate expressions includes a train, vehicle or obstacle on or fouling a line or any condition which is dangerous to trains;
(lix) Operations Control Centre means the organisation in overall charge of controlling the movement of trains on the main line;
(lx) Overhead Equipment means the electrical conductors over the track together with their associated fittings, insulators and other attachments by means of which they are suspended and registered in position for the purpose of electrical traction;
(lxi) Passenger Train means a train intended for the movement of passengers and their baggage;
(lxii) Permission to Approach means permission given for a train to enter the Block Section;
(lxiii) Platform Screen Doors means a system of automated doors synchronised with the train doors which are provided at the platform edge to isolate passengers on platform from track;
(lxiv) Platform Supervisor Booth means a monitoring cabin on platform for supervisor;
(lxv) point and trap indicators means appliances fitted to and working with points to indicate the position in which they are set;
(lxvi) Power Block means withdrawing traction current or power supply from a particular section;
(lxvii) Proceed Code means the Automatic Train Protection code other than zero speed code on the Train operator's console which indicates the target speed;
(lxviii) Railway Board means the Railway Board as empowered under Section 2 of the Indian Railway Board Act, 1905 (4 of 1905);
(lxix) Receiving Substation means an electric substation where electric power supply is received from Grid substation and transformed to appropriate voltage for distribution;
(lxx) Restricted Manual Mode means a driving mode where train is driven manually and is subjected to Automatic Train Protection in respect of maximum speed limit only;
(lxxi) Rolling Stock Supervisor means a metro railway employee duly qualified to examine trains and certify their fitness for safe running;
(lxxii) Running Line means the track used for running trains through and between stations and includes connections, if any, used by a train when entering or leaving stations;
(lxxiii) Running Train means a train which has started on authority to proceed but has not completed its journey;
(lxxiv) Run On Sight Mode means a driving mode where the train is driven manually and is subject to Automatic Train Protection restriction in respect of speed only until Automatic train protection track indications are recognized after which it automatically changes to Coded Manual Mode;
(lxxv) SCADA means Supervisory Control and Data Acquisition system for the purpose of remote monitoring and control of all traction power supply installations and auxiliary systems;
(lxxvi) Secure a Train means to make a full brake application, close down all driving positions and remove the train operator's control key and apply parking brakes wherever applicable;
(lxxvii) Short Circuiting Device means such devices provided for safety reasons on each station located in Auxiliary Sub-station/Traction sub-station/station control room to temporarily short circuit the running rails to earth in case the rise of running rail potential exceeds prescribed limits;
(lxxviii) Shunting means the movement of a coach or coaches with or without traction motors or of any other self propelled vehicle, for the purpose of attaching, detaching or transfer or for any other purpose;
(lxxix) Signal means an indication given to a train operator for controlling the movement of his train;
(lxxx) Signal Engineer means any metro railway employee in charge of installation and maintenance of any signalling and, or associated telecommunication gears either on track or field or station or on train;
(lxxxi) Special Instruction means instruction issued from time to time by the authorised officer in respect of particular cases or special circumstances;
(lxxxii) Staff Protection Key means a key provided in station control room extracted and given to authorised staff going to a particular track section for inspection or maintenance;
(lxxxiii) Staff Special Key means a key provided to open Manual Secondary Door from platform side Which is used by the maintenance staff to access the track side;
(lxxxiv) Station means any place on a line of the Metro Railway at which passenger traffic is dealt with;
(lxxxv) Station Controller means the person on duty who is for the time being responsible for the working of the station and traffic within station limits and includes the Assistant Station Controller or any person who is for the time being in independent charge of the working of such station and traffic;
(lxxxvi) Station Control Room means the room where station control panel or work-station is located;
(lxxxvii) Station Limits means the limits or chainages as defined in the station working orders;
(lxxxviii) Supply Control Post means an assembly of interrupters, isolator switches, remote control equipment and other apparatus provided for controlling power supply to overhead equipment or third rail traction equipment, and it includes feeding posts, sectioning and paralleling posts, and sub-sectioning posts in the case of overhead equipment;
(lxxxix) System of Working means one or more of the systems specified in Chapter VIII for the time being for the working of trains;
(xc) Target Distance means the farthest point to which the train may safely proceed;
(xci) Target Speed means the speed displayed on the train operator's console which the train must not exceed;
(xcii) Temporary Earth means an additional earthing device which is applied after the issue of a permit-to-work and removed prior to the cancellation of the permit to work ;
(xciii) Terminal Station means the station at the end of a line;
(xciv) Test Track means the portion of the track in the depot used for testing of a train;
(xcv) Third Rail means a rail on insulators laid by the side of running rails for conduction of electric current to the train through current collector fitted on the train for its running on the main line and depots, in a DC traction system;
(xcvi) Track and Structure or works Engineer means any metro railway employee responsible for the construction or maintenance of points, underground structure, surface structure, bridges or other works connected therewith;
(xcvii) Track circuit means an electrical circuit provided to detect the presence or absence of a vehicle on a portion of track, the rails of the track forming part of the circuit;
(xcviii) Traction means a traction power system working on 25000 volts single phase, 50Hz alternating current or 1500 v Direct Current with Overhead Equipment System, or on 750 volts or some other voltage of direct current with third rail system.
(xcix) Traction Feeder Breaker means a circuit breaker controlling the traction power supply to the third rail or overhead equipment;
(c) Traction Power Controller means a competent metro railway employee responsible for the control of the traction and auxiliary power distribution systems of the Metro Railway;
(ci) Traffic Controller means a Metro Railway employee on duty in the Operations Control Centre who is for the time being responsible for running of trains on a section of Metro Railway;
(cii) Traffic Hours means the period between the time of the start of the running of the first scheduled train and termination of the last scheduled train;
(ciii) Train means an engine with or without vehicle attached or any self propelled vehicle with or without a trailer which cannot be readily lifted off the track;
(civ) Train Control and Monitoring system or Train Integrated Management System means a system designed to provide information and exercise control on a variety of functions related to movement of metro trains, like traction, power, braking, air conditioning, etc;
(cv) Train Operator means the driver of the train for the time being in charge of movement and control of the train;
(cvi) Train Radio means a wireless telephone message communication system between the cab of the train, stations and the control.
(cvii) Tunnel Ventilation Section means a minimum length of a tunnel section of an up or down line capable of being mechanically ventilated using tunnel ventilation fans;
(cviii) Unattended Train Operation (UTO) means a train operation where the starting and stopping of trains, as well as operation of train doors and handling of emergencies are fully automated without any regulatory requirement of staff present in the trains.
(cix) Work Train means a departmental train intended solely for execution of works, including maintenance works, on the Metro Railway network.
(2) Words and expressions used in these rules and not defined but defined in the Metro Railways (Operation and Maintenance) Act, 2002 (60 of 2002), or the Metro Railways (Construction of Works) Act, 1978 (33 of 1978), shall have the meanings respectively assigned to them in those Acts.
Chapter II
RULES APPLYING TO METRO RAILWAY EMPLOYEES GENERALLY