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About Carriage Department:
Carriage Directorate of RDSO is actively engaged in the development of new designs and upgradation/standardization of the existing designs of passenger coaching stock and their sub-systems. The main activities of the directorate are:
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Nodal agency of IR for all design & technical issues related to coaching stock.
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Introduction of new technologies in mainline coaches, MEMUs/EMUs, Trainsets etc.
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Nodal agency for issue of speed certificates & sanction for coaching stock, COCR & special trials.
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Development of key drawings, specifications and standardized designs for coaching stock.
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Coordination with manufacturing units (ICF, RCF & MCF), Zonal Railways & Railway Board.
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Study of coach suspension and dynamic simulations etc for continuous improvement in safety and ride characteristics of coaching stock.
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Vendor development of assigned safety & other items to Carriage Directorate
Work Distribution:
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S.N.
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Section
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Description of work
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1.
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Coach Design
(CD) section
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Design and Development of Shell (all types ICF, LHB, Double Decker) + Crashworthiness design of all coaches + COCR speed certificates for trials/ operation for all types of rolling stock
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Couplers
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Fire & smoke detection / Suppression systems
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2.
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Standards section
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Standardization of all types of BG, MG & NG passenger stock including issue of modifications + Coach layouts of ICF & LHB coaches + NMGH / NMGH / other ICF conversion + Noise & Dust Issues + Train Examination and maintenance including amendment of Coaching maintenance manual (ICF & LHB), IRCA Part IV + Corrosion repairs + Coordination for CMG, DMG, CDE & CME conference meetings + coordination with NID/ Ahmedabad, Paints/Vinyls / Paining Scheme of Coaches + Dustbins including compactors.
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Wheel and Axle for all rolling stocks.
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Main Axle Bearings for all rolling stock (RB / CTRB)
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3.
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Vehicle Dynamics Group (VDG) section
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Dynamic simulation of various proposals of vehicle design + library of track wheel profile and contact tables of various types for use by other simulation staff + criteria committee meeting
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Design and development of new bogie design + Preparation/revision of bogie maintenance manual + Design and development of bogie components like Bogie Frame, Control Arm, Steel coil springs, Air springs, FIBA + Development of Control Equipment of Air suspension system for ICF, LHB and EMU/DMU coaches + Rubber Metal Bonded parts, dampers + Bogie design of trainsets, Train-18 etc. + coordination with UTHS directorate for all VDG related matters concerning semi-high speed/ high speed trains. Bogie corrosion/painting.
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4.
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Brakes and EMU & Self Propelled (E&S) section
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Air Brake system ICF + LHB disc brake system + EP Brake of EMUs and DMUs + parking brake system of EMUs, DMUs and SPVs + Brake Consumables – Composite Brake Blocks for Mainline and EMU coaches, Organic Brake Pads for LHB coaches, Brake Gear Bushes for ICF type coaches.
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Standardization, modifications & maintenance of Distributed Power /self – propelled vehicles (SPVs) + Coordination with other directorates for Trainsets, EMUs, MEMUs, DEMUs, SPVs + Coordinating technical scrutiny and safety certification work of Kolkata Metro System + Milt tank consultancy work + All interface with electrical requiring change/Modification.
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5.
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Sub Systems (SS) section
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Fire testing lab
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Design and development of coach interiors of ICF, LHB and other rolling stock (materials for flooring, panels, roof, seats & berths etc.) + Development of alternate materials for coach interiors and furnishing materials.
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Bio toilets + vacuum toilets + UIC vestibules
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Doors/ Windows including automatic plug / sliding doors, work related to coach PA & PIS systems.
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6.
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Miscellaneous works
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UVAM portal, ISO related work, CBRR, GCM, CRR coordination, Coaches for KLK-SML section & speed increase in KLK-SML section, EN 14363, Policy Circular 6, Dashboard (MR/DG), Pending references
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Organisation Chart:
Brief Achievements during 2020 and 2021:
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Development of LHB AC-3 Tier Economy Coach.
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Development of LHB AC Vista-dome Tourist Coach.
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Development of AC Inspection Carriage (Administrative) LRAAC.
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Development of design drawings and conversion procedure for conversion of over-aged ICF Non-AC coaches to Automobile Carrier Coach (NMGHS).
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Development of Flameless Pantry Car coach for Bharat Gaurav trains.
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Development of air-conditioned Self-Propelled Inspection Car (SPIC)
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Development of 3-phase on board MEMU by M/s BEML
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Jerk trials and report on remedial measures
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Carriage Maintenance Instructions for Corrosion Repairs in LHB coaches.
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Guidelines for retro fitment of Fire detection and alarm system in air-conditioned EMU trains.
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Guidelines for retro fitment of Fire detection and alarm system in non-AC EMU and MEMU trains.
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Development of Bio-Vacuum Toilets.
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Standardization of 160 kN Air Spring for LHB Coaches.
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Efficient ventilation system for EMUs.
Current Assignments in hand:
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Manufacturing of New Generation Energy Efficient Vande Bharat Trainsets with Concentrated Power System (up to 200 kmph).
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Manufacturing of new generation Energy Efficient Vande Bharat Trainsets with Distributed power system (up to 200 kmph).
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Manufacturing of Vande Bharat Trainsets (up to 160 kmph).
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Developments of special type of rolling stock on VB & LHB platform.
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COCR of new stock and remaining routes for 130 Kmph.
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Development of NG Rolling Stock for Kalka Shimla.
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Train operation over USBRC & RKSH-KNPG Hill sections.
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Subsystem: Improvements in reliability in wheels, CTRBs & couplers.
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Development of Conical Springs for EMUs.
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On Board Condition monitoring for mainline Coaching stock.
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Source : WELCOME TO RDSO CMS Team Last Reviewed on: 09-08-2023 
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