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1.0 Rolling Stock:

1.1.MetrooperationinKolkatastartedin1984onanundergroundstretchof3.4kmbetweenEsplanade and Bhowanipore (now Netaji Bhawan). Initially, the rolling stock fleet comprised of 4-car rakes. Over the years there has been considerable expansion to the network, both underground and on elevatedsections.Thenetworkcurrentlyconsistsofoneoperationallineof27.22kmfromNoapara toKaviSubhash.Withtheincreaseintraffic,8-carrakeformationhasbecomeastandardforMetro Railway, Kolkata. The rolling stock organization, headed by Chief Electrical Engineer/Rolling Stock , broadly comprises of two wings, viz. maintenance wing and operationwing.

1.2. Salient Data on RollingStock:

 

Rake MR-200 Series

No of Rakes

6

Rake Composition

6 MC + 2 TC

Passenger Seating Capacity

48 Seat/DMC

54 Seat/Other Coach

Ladies Seating Capacity

14 Seat/Coach

Senior Citizen/ Divyang Seating Capacity

06 Seat/ DMC

12 Seat/Other Coach

Tare Weight:

DMC

NDMC

TC

40 T

40 T

29 T

Gross Weight

(with Dense Crush Load)

DMC

NDMC

TC

58 T

58 T

47 T

  Vestibule Dimension

1780 mm x 720 mm

Total Horse Power of Rake

5221 HP

Maximum Acceleration

1.1 m/s2

Max. Deceleration during braking

1.3 m/s2

Propulsion System

DC propulsion System with variable resistance for regulated speed.

Type of Brakes

ED, EP, Auto, Emergency

Supply voltage

750 V DC (nominal) – 3rd rail

Designed Speed Potential

80 KMPH

Suspension

Primary suspension with helical spring and secondary suspension by Coil spring with swing link and

Bolster arrangement.

Passenger Amenity

Route Information Board

06 nos./Coach

Emergency Talkback Unit

02 nos./Coach

Coach Fan

11 nos./Coach


Rake MR-300

Series

No of Rakes

13

Rake Composition

6 MC + 2 TC

Passenger Seating Capacity

44Seat/DMC

48 Seat/Other Coach

Ladies Seating Capacity

12 Seat/Coach

Senior Citizen/ Divyang Seating Capacity

8 Seat/DMC

12 Seat/Other Coach

Tare Weight:

DMC

NDMC

TC

47 T

47 T

35 T

Gross Weight

(with Dense Crush Load)

DMC

NDMC

TC

66 T

68 T

55 T

  Vestibule Dimension

1900 mm x 720 mm

Total Horse Power of Rake

5449 HP

Maximum Acceleration

1.1 m/s2

Max. Deceleration during braking

1.3 m/s2

Propulsion

DC propulsion System with variable resistance for regulated speed.

Type of Brakes

ED, EP, Auto, Emergency

Supply voltage

750 V DC (nominal) – 3rd rail

Designed Speed Potential

80 KMPH

Suspension

Primary suspension with coil spring and secondary suspension by Air Spring with levelling valve.

Passenger Amenity

Route/Passenger Information Board

02 nos./DMC and 03nos./other coach

Emergency Talkback Unit

02 nos./Coach

HVAC/RMPU

22 TON/Coach

Rake MR-400 Series

No of Rakes

9

Rake Composition

2DTC+4MC+2TC

Total Passenger Seating Capacity

44 Seat/DTC

48 Seat/Other Coach

Ladies Seating Capacity

12 Seat/Coach

Senior Citizen/ Divyang Seating Capacity

8 Seat/DTC

12 Seat/Other Coach

Tare Weight:

DTC

MC

TC

36.8 T

41.8 T

36 T

Gross Weight

(with Dense Crush Load)

DTC

MC

TC

58.3 T

65 T

59.5 T

  Vestibule Dimension

1951 mm x 1370 mm

Total Horse Power of Rake

3264 HP

Maximum Acceleration

1.1 m/s2

Max. Deceleration during braking

1.3 m/s2

Propulsion

3-Phase IGBT based AC propulsion with Variable Voltage Variable Frequency control system.

Type of Brakes

Regenerative Braking, EP, Auto,

Emergency

Supply voltage

750 V DC (nominal) – 3rd rail

Designed Speed Potential

80 KMPH

Suspension

Primary Suspension by Conical Spring and Secondary Suspension by Air Spring with levelling valve. Bolster less design with anti roll mechanism.  

Passenger Amenity

Route Information Board/ In Coach Display

08 nos./Coach

Passenger Alarm Device

04 nos./Coach

CCTV Camera

04 nos./Coach for Series rake

HVAC/RMPU

22 TON/Coach for prototype rakes

24 TON/Coach for Series rakes.

1.3.Maintenance of Rolling Stock:

1.3.1 Various maintenance schedules and periodicity thereof prescribed at present for the rolling stock are as under.

Daily Inspection

Every day

3-Day Inspection

Every 3rd day

45-Day Inspection

After 45 days

6-Monthly Inspection

After 6 months

Annual Inspection

After 1 year

Periodic                       Overhauling (POH)

After 3,00,000 km of running or 5 years whichever is earlier

for old rakes and After 4,00,000 km of running or 6 years whichever is earlier for new rakes.

 

 

When operation of Metro Railway started in Calcutta, all maintenance of rakes was carried out at Tollygunge (now Mahanayak Uttam Kumar) car shed. The shifting of maintenance activities from Tollygunge shed to Noapara car shed (located approximately 2 km away from DumDum Cantonment station of Eastern Railway towards West) was completed in January 2004 to augment the manpower resources and to stick to the inspection schedules as per periodicity. Scheduled Maintenance activities of Rolling Stock are now mainly carried out at NoaparaCarShedwhiledailyand3dayinspectionsarealsocarriedoutatKaviSubhashCarShed on round the clock basis. Mahanayak Uttam Kumar shed acts as a satellite shed where daily schedules of rakes and normal stabling of rakes are carried out. A connection from DumDum Metro station to Noapara exists for injection/withdrawal of rakes. Section-wise activities in Noapara car shed are asunder.

VarioussectionslikePPO,Shift,ControlGear,Electronics,RotatingMachine,Pneumatic,Door, Mechanical,Heavyrepair,AncillaryEquipmentcarryoutschedule and unscheduled maintenanceactivitiesofequipments as per the respectiveschedules.

 

1.3.2Facilities Available at RunningShed.

i)Shed   atNOAPARA;

Inspectionpit:                                  08 Nos.(Line20/21/22/23/24/25/26/27)

HeavyLiftingBay:                           02 No. (Line 17/18)

StablingLines:                                 09 Nos.(Line 2/4/5/6/7/28/29/30/31)

Run RoundTestTrack:                    01 No.(Line 32)

Machinary andPlants:-

EOT Cranes(30/6Ton):                       02 nos. EOT Hand operated Crane(15/3Ton):        02 nos. Staticcompressor:                                         02nos.

Staticsmallcompressor:                      06 nos.

Fork Lifter(DieselOperated):             01no.

Pit TypeWheel Lathe:                         01no.

BatteryOperatedLocomotive:            02 nos.

AccidentReliefVan:                          01 no.

TestBenches:                                      07 nos.

RoadVehicle:                                     01 nos. (Hired)

 

 

ii)Shed at Kavi Subhash:

Inspectionpit:                                      04nos.

HeavyLiftingBay:                               Nil

Stabling &WashingLines:                   06 nos.

Testtrack:                                            Nil

RoadVehicle:                                      01 nos. (Hired)

Machinary and Plants:

BatteryOperatedLocomotive:               03 no.

AccidentReliefVan:                            02 no

1.4  Rolling Stock Operation:

 

1.4.1.Crew Lobbies: One Motorman (Driving Motorman) in the front driving cab and one Motorman in the rear cab (Conducting Motorman) constitute the crew for one train. Signing on/off of the crew is done at two lobbies, viz. at Dum Dum and Kavi Subhash stations. The crew lobbies are provided with all the facilities prescribed for crew booking. Besides Motormen, few Shunters are also posted at Dum Dum and Kavi Subhash for movement of rakes to/from Noapara and Kavi Subhash shed and also to perform shunting operation in the shed.

 

1.4.2.Training of Crew: Training to running staff is given at the Training Centre at Noapara. There is a in motion simulator for imparting interactive training. Various kinds of training is as under.

 

 

SN

Nature of Training

Duration

Interval

1.

Initial Training to Trainee Motorman recruited through RRB

52 Weeks

One time

2.

Initial Training to Trainee Motorman inducted from Zonal Railway

24 Weeks

One time

3.

Initial Training to Shunter inducted from Zonal Railway

12 Days

One time

4.

Combined Refresher Course

3 Weeks

3 yrs.

5.

Fire Fighting

1 Day

3 yrs.

6.

First Aid

1 Day

3 yrs.

7.

Initial Training for Artisans promoted to Shunter

104 days

One time

 

1.5.A Stores Depot at Noapara caters to the material requirement for maintenance and operation of rolling stock.

 







Source : Metro Railway Kolkata / Indian Railways Portal CMS Team Last Reviewed on: 22-08-2020  


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