EMU CAR SHED / MLY

1.Brief History:

EMU Car Shed, Moula-Ali was established in 2003 and is located at a distance of about 8 Km from Secunderabad Railway Station.

The Car Shed was constructed to take care of maintenance requirements of 20 rakes of Electrical Multiple Unit (EMU) Coaches. The shed also comprises of a POH  shed to undertake heavy repair/POH schedules of MMTS rakes.
	Heavy Repair Shed, Moula-Ali

The EMU Car Shed , Moula-Ali falls under the jurisdiction of Hyderabad Division of South Central Railway is functioning with 158 staff headed by a Sr Divisional Electrical Engineer/ECS/MLY. 

MMTS first phase covering a distance of 43 km - SC-HYB-LPI (28 km) and SC-FM(15 km) over the existing railway network comprising of 26 MMTS stations (16 in SC Division & 10 in HYB Division) was completed at a cost of Rs. 178 crore.

First lot 20 EMUs comprising of 20 Motor Coaches and 40 Trailer Coaches were received during 2003 and first stream of MMTS operations connecting SC-HYB-LPI (28 Kms) was started on August 9, 2003 with 48 services per day duly forming 9 rakes of all 6 Car. MMTS services extended to run on the second stream of SC-FM (15 Kms), increasing the services to 74 per day w.e.f February 14, 2004.

From 1^st Feb 2008, with increase in patronage, 2 of the rakes were augmented to 9-car rakes and services increased to 89 per day.

From 29th of September, 2010, 2 Matribhoomi MMTS services were started exclusively for ladies between FM & LPI.

Second lot of 12 EMUs comprising of 12 Motor Coaches and 24 Trailer Coaches received between January-April, 2011 from ICF. All these EMUs are commissioned at EMU Car Shed, MLY.

From 1^st July, 2011 onwards all the 6-car rakes were augmented and 10 rakes of 9-car formation are formed. The no. of services increased to 121 per day.

During Feb – March 2014 one  New 8- Car MEMU rake was received from RCF, Kapurthala and this rake is being utilised for the MEMU service between Tandur – Secunderabad – Tandur  from 24^th March 2014. Another MEMU service is  running between Falaknuma - Bhongir /Jangoan - Falaknuma

Under MMTS Phase II project , the MMTS services will be extended upto Umdanagar, Bolarum/Medchal and upto Ghatkesar.

2.MMTS Rake Composition:

 

9 CAR FORMATION

MC ’B’

TC ‘C’

TC ‘D’

TC ‘D’

TC ‘C’

MC ’B’

TC ‘D’

TC ‘C’

MC ’B’

Or

MC’ B’

TC ‘C’

TC ‘D’

MC’ B’

TC ‘C’

TC ’D’

TC ‘D’

TC ‘C’

MC’ B’

MC’ B’ - Motor coach with Driver cab & General compartment.

TC ‘C’– Trailer coach with First Class, Ladies & Physically Challenged.

            TC ‘D’- Trailer coach with General & Vendor compartment.

 

3.MMTS Carrying Capacity:

 

Coach	Seating	Standing	Total
MC ‘B’	80	197	277
TC ’C’	84	272	356
TC ’D’	76	277	353
Total capacity of nine car rake			2958

 

 

4.Holding & Daily Position of EMU rakes:

 

Designed holding capacity of the shed	20 Rakes
Holding	EMU : 33 Units (33 MCs & 64 TCs)             (20 units received in 2003 - 2004 and              12 units received in 2011). Formed into Ten 9-car rakes. One MC recd from Avadi carshed/SRly in Jan 2016 Each rake comprises of 3 units with 3 FC/Ladies/PHC, 3 Vendor/General and 3 General coaches.
	MEMU : 05 Units (05 MCs & 15 TCs).  One New 8-car rake (02 units) received from RCF/Kapurthala during Feb ‘14. 01 unit transferred from MCS/RJY in April ‘2014. One rake (2 units) is transferred from MCS/RJY w.e.f 15th Feb ’2015.
Rakes in Service	EMU     : 09 Rakes (All 9 Car) MEMU :  02 Rakes (8-Car)
Under POH	EMU    : 02 MCs  & 02 TCs & 01 Spl repair MEMU : Nil
Day Schedule (Includes washing and cleaning)	EMU     : One 9-Car Rake (03 MCs & 06 TCs ) MEMU : One 8-car Rake  on Saturday
Under Spare	EMU     : 02 TCs
	MEMU  : 01 MC & 03 TCs
No. of Services as per Link	EMU     :121 trains daily on Weekdays               102 trains on Sundays
	MEMU  : 4 trains (Monday to Saturday)
Service starts at	04.40 Hrs
Service stops at	23.35 Hrs.
Night Stabling Points	EMU     : Secunderabad, Falaknuma, Hyderabad  &                     Lingampalli.
	MEMU  : Tandur, EMU Car Shed/MLY.
Utilization	EMU     : 431 Kms/day  (per rake)
	MEMU  : 269 Kms/day  (per rake)

 

 

5.Activities of EMU Car Shed, Moula-Ali :

a)Schedule inspection i.e. Trip (10 days), IA (45 days) , IC (180 days) of EMU/MEMU rakes.

b)Un-schedule repairs and lifting attention of EMU/MEMU coaches.

c) POH (18 months periodicity) of EMU Motor Coaches.

d)Complete overhauling and testing of Traction Motors, auxiliary motors and other electrical and pneumatic equipments.

 

6.  Performance :

Parameters			Month			Cumulative
			March		Variation	Up to March			Variation
			2016	2017		2015-16	2016-17
							Target	Actual
Statistical Ineffective % age	EMU: MC		6.6	4.48	-32.12 %	5.13	5.00	5.07	-1.16 %
	TC		3.9	3.42	-12.30%	3.53	3.45	3.14	-11.04 %
	MEMU: MC		11.16	0.0	-100%	8.23	3.00	3.89	-52.73%
	TC		9.6	0.0	-100%	6.3	3.00	1.03	-83.65%
Statistical Failures			0	0	-	--	0	1*	-
Non statistical failures			0	0	-	--	2	3	-
Punctuality loss			0	0	-	--	0	1*	-
Unusual occurrence			0	0	-	-	2	0	-
POH  (MC + TC)		EMU	2+4	2+4	-	21+38	19+44	16+44	-
		MEMU	1+3	0+0	-	4+12	01+03	01+03	-

7.Technical data of  EMU Coach:

Track Gauge	1676 mm
Max. Service speed	100 Kmph
Coach length over body	20726 mm
Length over couplers	21521 mm
Maximum width over body	3660 mm
Weight of the motor coach ‘B ‘	60.42   tonnes
Weight of the Trailer coach ‘C ‘	36.144  tonnes
Weight of the Trailer coach ‘D ‘	36.299  tonnes
Height of center line of coupler in tare condition	1030 mm
Distance between buffer centers	1956 mm
Coupler	Schaku type Semi-permanent
Maximum permissible axle load	20 T
Maximum height of coach floor (Tare condition)	1192 mm
Acceleration (avg.from 0 to 40 Kmph)	0.54 m/s/s
Deceleration (avg.from 100 Kmph)	0.76 m/s/s
(avg.from 50 Kmph)	0.84 m/s/s
Operating overhead voltage (nominal)	25 kV AC

The shed has undertaken the following vital safety/improvement modifications on EMU coaches:

1. Introduction of Speed sensing relay for emergency application of EP brakes whenever the reverser handle is brought to neutral while on RUN and the train comes to dead stop.

2. Field weakening arrangement provided for traction motors to improve the acceleration and overall running time of MMTS train services.