Section 37 in The Bangalore Metro Railway (Opening of Public Carriage for Passengers) Rules, 2011
37. Design of Electric Installations.
(1)The design of all electric installations, namely, transmission and distribution network, substations and third rail Dc traction system shall be according to international standards or approved standards laid down by the Central Government and the Indian Electricity Rules, 1956, or any other law for the time being in force and wherever any departure from accepted norms becomes necessary, prior approval of the Central Government shall be obtained.(2)Adequate protective arrangement shall be made to ensure that the public cannot come in contact with tile electric equipment on line within the metro railway premises.(3)Suitable protective screens or shroud shall be provided over the third rail.(4)The structures supporting third rail equipment shall be designed in accordance with the relevant international and Indian standards for the viaduct and the tunnel.(5)When the distribution system involves third rail carried on pedestals and return circuit via running rails or earth, all such structures and associated tracks shall be effectively earthed and bonded or other precautions taken to ensure that contact with any part of the structure will not be dangerous to the public and the metro railway staff.(6)In the electric traction system, bonding and earthing shall be as per the approved code for bonding and earthing in respective areas and in case of elevated and tunnel concrete structures, continuous earth bonding shall be provided by earthing the reinforcement of structures and connecting the same to structure earth cable.(7)The earthing arrangements at power supply installations shall strictly conform to the international standards or the Indian Electricity Rules, 1956 and accepted codes of practices for bonding and earthing for traction.(8)Adequate stray current control system shall be provided under DC traction System to avoid corrosion to steel reinforcement and other metallic parts of the tunnels and nearby structures.(9)All precautions shall be taken to avoid Electro-magnetic effect in the environment as per relevant standards.(10)The earthing system for DC traction, shall conform to requirements of 1S-3043 and EN-50122 Part - 1 and the maximum rail potential shall not exceed 120V for main lines and 60V for depot area in accordance with EN-50122 Part-I.(11)No earth wire shall cross any track and where structures to be connected to an earth-wire are located on opposite sides of a track, separate wire runs shall be used for connecting the structures and in complicated areas, structures may be connected to individual earthing stations.(12)When overhead lines transmitting electric power (other than lines forming part of the railway traction equipment) have to be carried across metro railway track, the details of the equipment provided in connection with such lines shall be designed with the object of minimising danger in the event of breakage and in accordance with Regulations for Electrical Crossings, 1997.(13)lightening arrestors of standard or approved types shall be provided wherever they are necessary.(14)All parts of the equipment which carry live conductors shall be provided with devices approved by the Electrical Inspector to the Government of India to prevent unauthorised persons climbing them.(15)On both sides of the road-under-bridges, height gauges of suitable design shall be provided to ensure that no part of any road vehicle or its load shall come in contact with the road-under-bridge girders.(16)Warning notices shall be erected in conspicuous position indicating the existence of live electrical equipment.(17)The details under this rule shall be approved by the Electrical Inspector to the Government of India.(18)The Central Government may direct that the Chief Electrical Engineer of Bangalore Metro Rail Corporation shall, for the purpose of works under the Bangalore Metro Rail Corporation, function as the Electrical Inspector to the Government of India.(19)The Central Government may also direct that an officer with Electrical Engineering background and Senior to Chief Electrical Engineer of Bangalore Metro Rail Corporation shall, for the purpose of works under the Bangalore Metro Rail Corporation, function as the Chief Electrical Inspector to the Government of India.
