TEJAS
COACHES
MANUFACTURED BY:
RAIL COACH FACTORY, KAPURTHALA
INDEX
# Topic
A Type of coaches in Tejas Rake
B Layouts & General Installation
C Main Features of Tejas Coaches
D Detailed Features of Tejas Coaches
E List of specifications of new features
F Sub-systems maintenance manual
A. Type of coaches in Tejas Rake:
Tejas rake consists of following three types of coaches:
Executive AC chair car
AC Chair Cars
Power Cars
B. Information about Layouts & General Installation:
General Installation
# Coach Type Layout Drg.
Drg.
LFCZAC
1 LZ90003 LZ90004
Executive AC chair car
LSCZAC
2 LZ90001 LZ90002
AC Chair Car
LWLRRM
3 LP90007 LP90008
Power Car
C. Features of Tejas Coaches (200 KMPH Rakes):
1. Fit to run at 200 kmph.
2. Electro-pneumatic assisted brakes
3. Automatic entrance plug type door
4. Improved Inter-car Gangway
5. Re-designed e-leather upholstery in seats
6. Improved lavatory -vacuum assisted flushing with bio-toilets (only 9 lavatories
in complete rake are with vacuum assisted flushing, rest are normal flushing)
7. Infotainment system
8. Passenger information system and digital destination board & electronic
passenger reservation chart integrated with the infotainment system (having
LCD on the back of chairs)
9. Provision for Wi-Fi facility - system to be installed by Railways
10. Call bell
11. Fire and smoke detection system
12. Fire suppression system in power cars
13. Provision of CCTV Cameras
14. Improved aesthetics with new interior and exterior colour scheme presenting
a futuristic look with the use of Vinyl sheets
15. Smart windows with automatic venetian blinds
16. Mobile laptop charging points through USB board provided on LCD screens
of infotainment system
17. Provision of Wi-Fi facility
18. Integrated Braille displays
19. Bio-Vacuum toilets
20. Sensorised taps, flushing system, hand driers, tissue paper dispenser and
soap dispenser for touch less experience of toilet use.
21. Water level indicators.
D. Following are the details of main features of the Tejas coaches:
D.1 Electro Pneumatic Assisted Brake System
To increase the maximum speed upto 200 kmph, existing Axle mounted disc
brake system has been upgraded with:
Steel brake disc (in lieu of grey cast iron brake discs)
Sintered brake pads (in place of composite brake pads)
Additional EP assist brake system
Organic Pad Sintered Pad Functional Diagram
D.2 Automatic entrance plug type door
The Plug door system is simply formed by a door leaf, a
drive unit mechanism located in the upper portal area
and a component rack located at the rear side. The
opening and closing movements of the doors are
combined plug out/plug in and sliding movements.
The Automatic sliding Plug doors installed in the rake
are controlled by centralized door control equipments via
hardwired train lines installed in Guard's compartment.
Guard panel have push buttons to activate the door
functional commands. Emergency door opening switch is also provided on the
door. Train moves only after all the entrance doors are closed and entrance
doors open only when train comes to a halt.
D.3 Passenger information system integrated with the infotainment system
(LCD on the back of chairs)
The complete rake is provided with infotainment system in the form of LCD
screens mounted on the back of chairs. The infotainment system has features
for displaying of recorded content like entertainment media, advertising, safety
instructions etc.and can also be upgraded for live TV viewing. This infotainment
system has also been provided with integrated GPS based passenger
information system. For this, LCD screen has one separate channel for
displaying the data from GPS based passenger information system. Moreover,
USB charging facility has also been provided with each screen.
D.4 Improved Inter-car Gangway
Improved dust sealed inter car gangways have been provided in these coaches.
These gangways are fixed between two coaches as a single unit instead of
conventional gangway vestibule where two separate units are fixed on adjacent
coaches. Due to this, it has better sound levels, reduced dirt, sand and water
ingress and better passenger safety and comfort.
D.5 Re-designed E-leather upholstery in seats
Improved chair with e-leather (eco leather) as upholstery material has been
provided in these coaches. In executive class chair cars, leg support has also
been provided which are controlled by gas spring.
D.6 Improved lavatory : vacuum assisted flushing with bio-toilets
Vacuum assisted flushing system with bio toilets was provided in some coaches.
Due to vacuum assisted flushing, water consumption per flush is less and
effectiveness of flushing is higher.
D.7 Fire and smoke detection system
The complete rake has been
provided with fire and smoke
detection system. The system has
smoke sampling points provided at
various locations in the compartment
area (8 nos), doorway area (2 nos)
and electrical panel area (1 no.)
Heat activated sensors are provided
in all the 3 lavatories. On sensing of
smoke/heat, depending upon the
level of smoke, the system activates
audio visual alarm and passenger
announcement activation. After certain level/time automatic application of brake
is initiated. A central monitoring system (CMS) is provided in each coach and a
central monitoring unit (CMU) is mounted inside crew room of power car. The
CMU displays the status of each coach of the rake.
D.8 Fire suppression system in power cars
All the power cars in the rake have been provided with smoke detection and fire
suppression system. The system consists of one number high pressure Nitrogen
cylinder and 2 nos. water cylinders which are connected with 10 nos. of nozzles
provided inside the generator room to disperse water mist. Heat and smoke
detectors are installed above the generators. The detector control panel is
provided inside the crew room. In case of smoke/fire, the alarm/buzzer is
sounded and on detecting the fire, crew members are needed to operate a
manually operated trigger valve for initiating suppression. Operating of trigger
valve releases the high pressure nitrogen with water and water mist is
discharged in engine compartment.
D.9 Improved Toilets
Improved toilet system with touch-less fittings for water tap and soap dispensers
have been provided for clean experience. Also the interior aesthetics have been
improved substantially by marble paint finish with anti graffiti coating, gel coated
wash basin shelf, new design dustbin, door latch activated light and lavatory
engagement display.
D.10 Provision of CCTV Cameras
06 nos. of high resolution cameras (2 in passenger
area, 2 nos. in each doorway area) have been
provided. Cameras has night vision capability and
facial recognition in low light condition. A network
video recorder (NVR) has been provided in each
coach with 2 TB hard disc capacity. The system
has 30 days loop recording provision and works 24
hours per day. Additional 32GB SD card has also
been provided to work as stand by to hard disk. In
case of failure of camera/hard disc, indication is
shown on NVR. Real time tagging of videos with
speed, location and time through GPS antenna can
also be done.
E. List of specifications of new features:
# PL No. Item Spec/Drawing No.
1. 33635195 GPS based Passenger RDSO/PE/SPEC/AC/0087-
information system 2008(REV-1) &
RDSO/PE/TP/AC/0026-
2015(REV-0)
2. 33681879 CCTV system ICF MD-SPEC-269 REV-05
3. 77070057 Fleet Graphic Film (Vinyl RDSO/2010/CG-08
wrapping) on the exterior with
anti graffiti measures
4. 33691411 Fire and Smoke detection RDSO/2008/CG-04 REV.03
system
5. 33691400 Fire detection & Suppression RDSO/2013/CG-06 (JUNE-
system in Power car 2014)
6. 33680115 Odour Control Dispensers in RDSO/2008/CG-11
the Aisle
7. 33566811 Improved Inter-car Gangway MDTS-22266
8. 33611981 Improved lavatory -vacuum MDTS-49281
33612535 assisted flushing with bio-
33614933 toilets
9. 33682215 Infotainment+LED MDTS-24297
33682227 Destination Board+PIS
10. 33502454 Electro-pneumatic assisted MDTS-23265
33502742 brakes
11. 33566823 Automatic entrance plug type MDTS-25267
door
12. 33560328 Smart windows with MI006656
33560330 automatic venetian blinds MI006660
13. 33565600 Automatic entrance door to MDTS-25293
AC area
14. 33593048 Water Level Indicator for MDTS-16290
overhead and unslung water MDTS-44296
tanks
15. 33535425 Provision of PVC based film MDTS-25305
for coach interior of Tejas
coaches
F. Maintenance Manuals of following items are available with RCF:
1. Fire and Smoke detection system
2. Fire detection & Suppression system in Power car
3. CCTV system
4. Automatic entrance plug type door
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