GOVERNMENT OF INDIA North Eastern Railway ... - Tenders India

Dy.CSTE/Con/ IZN/02 of 2011 North Eastern Railway
2.5 ORDER WIRE Repeater to Repeater communication circuit shall also be
provided with tone dialing or Loud speaker calling system for the maintenance
of repeater station and cable huts.
2.6 OTHER CONTROL CIRCUITS: With the ever increasing requirements of
instantaneous communication engineering control, commercial control,
carriage & wagon control etc. is also being provided in some busy section of
the railways
3. POINT TO POINT COMMUNICATION FOR LEVEL CROSSING GATES
For informing the manned level crossing gates in the block section , regarding
approaching trains , communication is provided from the nearest station master /
block cabin using magneto telephones ./DTMF Telephone.
4. EMERGENCY CIRCUITS:
4.1 The emergency telephone circuit have been provided for enabling the train
crews to contact the controller in the event of an emergency/accident. This
works on 4wire system and l not have facility for calling in field station by the
controller.
4.2 Emergency sockets has been provided in socket boxes mounted on suitable Rail
post all along route at an interval of one Km.(Max.) generally in accordance
with the approved tapping diagrams. In addition to the above emergency
socket have also been provided at some obligatory locations i.e. LC gates ,
approach of long bridges.
4.3 Communication for Disaster management: As an accident relief measure, DOT
& Railway telephones are required to be extended to accident site as per
Railway Board’s Letter No. 93/Safety/31/2 Dt. 1.2.93. channel provision is
required to be made up to the nearest station and the circuits shall be extended
to the site by drawing temporary cable when required.
5. Administrative Trunk Circuits: Administrative Trunk Circuit whether departmental
or DOT rented will be suitably transferred on OFC system.
6. DATA CIRCUITS: PRS & FOIS circuits are data circuits which are normally located at
considerable distance, hence provision for RS 232 or G.703 interface at remote
location shall be required for the working of these circuits. During commissioning of
OFC system, all these circuits will be transferred on OFC link.
7. Other General Instructions:
7.1 The Railway Control Telephone circuits, Block Circuits, Train wire circuits,
Administrative Trunk Telephone circuits, Teleprinter circuits will be suitably
transferred into underground OFC cables
7.2 The circuit running in cable media will not be transferred into Railway
signaling system. Similarly no signaling circuit will be provided
telecommunication cable. Telephone circuit shall not be provided in signaling
cable except those that are running from cabin to cabin are from cabin to ASM
office.
Signature of Tenderer(s)
Date…………………
34