The Mission Raftaar project of the Indian Railways has now picked
up and started yielding results. Under this project measures are being taken to
raise average speed of both passenger carrying trains and freight carrying
trains. The Mission is being spearheaded by a cross disciplinary mobility
Directorate in the Railway Board. The average speed is reckoned as one of the
key indicators of all the railway productivity and efficiency in operations and
utilization of assets.
Under this project the busiest Ghaziabad – Allahabad - Mughalsarai
route which was taken up on priority basis, for increasing average speed which
now has been successfully implemented. This was achieved by replacement of loco
hauled commuter trains with Main line Electric Multiple Units (MEMU) and Diesel
Electric Multiple Units (DEMU) trains has been undertaken. MEMU / DEMU trains
have a potential for average speed increment upto 20 kmph in comparison to loco
driven passenger trains. The Ghaziabad - Allahabad - Mughalsarai section is now
free from conventional trains.
The Railway Ministry is working on a target to do this kind of
replacement on all identified routes viz., Delhi – Mumbai, Delhi –Howrah,
Howrah-Chennai, Chennai – Mumbai, Delhi – Chennai and Howrah – Mumbai (Diamond
Quadrilateral routes along with diagonals). These are the principal routes of
the railways as they carry 58% of freight traffic and 52 of coaching traffic
with a share of only 15 of the network.
For implementing this target on the above six routes, 1048
MEMU coaches and 136 DEMU coaches are required. To achieve this target in three
years, action plan has been drawn out to ramp up the production of MEMU to
400-500 per annum in next three years as against the present level 190 per year
at present.
Background:
·
Maximum
speed of coaching trains has increased up to 130 kmph/160 kmph, but the average
speed is hovering around 45 kmph. Maximum speed of freight trains has increased
up to 75 kmph/100 kmph, but the average speed is hovering around 24 kmph.
·
Average
coaching train speeds have declined by ~1 kmph in last 5 years. Average freight
train speeds have declined by ~2 kmph in last 5 years.
We reckon average speed as one of the key indicator of the overall
railway productivity and efficiency in operations and utilization of assets.
Hence, raising average speeds has been taken up as a mission area.
Progress and Road Map:
- A cross disciplinary,
Mobility directorate has been set up in April 2016 to spearhead the
mission.
- For a focused action, Golden
Quadrilateral routes along with diagonals (Delhi – Mumbai, Delhi – Howrah,
Howrah- Chennai, Chennai – Mumbai, Delhi – Chennai and Howrah – Mumbai)
have been taken up for initial emphasis. These are the principal routes of
the railways as they carry 58% of freight traffic and 52% of coaching
traffic with a share of only 15% of the network.
- Multi-pronged strategy has
been developed to overcome the existing impediments due to fixed
infrastructure, movable infrastructure, operational practices and
institutional mechanisms.
Thrust of the strategy:
- To move in the direction in
which these routes are developed in a unified way making them seamless and
free from congestion points. So far such development works have been
largely guided and governed by needs of individual division/ zone due to
which the works were dispersed/ distributed/ discontinuous and speed gain
commensurate to the inputs could not be realized.
- To establish operating
systems in which the trains technically have the best capability to
achieve maximum possible speed in least time along with quickest
acceleration and deceleration capability so that the transit time is
reduced.
Action Taken:
- Replacement of loco hauled
commuter trains with MEMU/DEMU trains: MEMU trains have a potential for
average speed increment of up to 20 kmph in comparison to loco driven
passenger trains. Recently, the busiest Ghaziabad- Allahabad –
Mughalsarai route has been made free from conventional trains by
replacement by MEMU. The punctuality of this route has shown significant
improvement.
Target is to do
replacement on all routes. We require 1048 MEMU coaches and 136 DEMU coaches to
implement this on these six routes. To achieve this target in three years,
action plan has been drawn out to ramp up the production of MEMU to 400-500 per
annum in next three years as against the present level 190 per year at present.
- Introduction of Twin Pipe
Air Brake System on freight trains: Twin piped braking system saves on an
average ~90 seconds in every event of braking. Hence over a long distance
this feature in the trains has a big potential for reducing the transit
time and accelerating average speed. Board has decided that all new
freight stock will have twin pipe system and the existing stock will be
retrofitted with twin pipe. About 2lac wagons have to be retrofitted. 7000
will be done in the current year. Approval for another 20000 has been
done, which is under process of sanction. In the budget 2017-18 sanction
for another 60000 wagons will be planned. Effort will be made to achieve
the target by accelerating the progress.
- Right Powering of freight
trains: Ratio of Horsepower of the locomotive to the trailing load of the
train. (HP/TL ratio). Appropriate HP/TL ratio saves about 10 to 12 minutes
in the time taken to attain the maximum speed level. Internationally this
ratio is between 2-2.25. On Indian Railways, due to increase in trailing
load from 2400 ton/3200 ton in year 1970 to 5308 ton in year 2016,
HP/TL ratio has dropped from a level of 1-1.30 to a level of 0.94-1.13
over the same period. Board has decided to implement a powering
arrangement for freight trains with a ratio of 1.5-2.0. Action plan is
being finalized for achieving the implementation in next three years.
- To avoid traction change
and loco reversals at busy stations/ terminals.
- Increase time tabled
average speed by eliminating slacks and taking into account speed
increases which have taken place on the section
- Review of coaching trains
and freight stocks running at less than maximum permissible speeds
- Removal of constraints in
the fixed infrastructure on these routes is considered a high priority.
These routes are having about 9100 route kilometres. Major impediments
have been identified and following areas have been finalized for focused
action.
·
Raising
of Sectional Speed to minimum 130 kmph: Out of 9100 route km, 6400 km (~70%) is
having sectional speed of less than 130 kmph.
·
Removal
of Level Crossings: There are 2736 level crossings on 9100 route km averaging
one LC every 3-4 km. 931 are already sanctioned for elimination.
·
Removal
of Speed Restrictions: On these routes, there are speed restrictions at about
730 locations existing since long due to various factors pertaining to design
and maintenance of fixed assets. There is a restriction every 15 km on these
routes.
·
Raising
of Speeds on Turnouts: At present ~10% turnouts on these routes have a speed of
less than 30 kmph and all are less than 50kmph.
Strategy and institutional mechanism for implementation:
We have decided for a paradigm shift in approach to works. Route
to be the primary unit for decision about works as against existing practice of
zonal/ divisional jurisdiction. This fundamental shift will prove to be a game
changer for achieving unified development of the routes essential for achieving
Mission Raftaar goals.
Key Elements of the decision:
- Planning and Sanction of
Works: Only one work for each route clubbing all activities. Works
to be planned centrally.
- Financing: Works to be
financed through EBR-IF as there is high likelihood of favourable ROR on
the route basis.
- Execution: Route wise
execution. The work of each route to be entrusted to one execution
authority for accountability and expeditious execution by deploying
state-of-the-art engineering technology/machines. There is a big role of
technology in saving the execution time and minimizing the requirement of
interruption to train flow in traffic block. This is very important
because chosen routes are very busy hence the objective will be to cause
minimum inconvenience to the passengers and setback to operations. A
Traffic Block Optimization System on an IT platform is being developed to
provide a congenial environment for execution of works required to achieve
mission goals.
Board has decided to implement this approach initially on Delhi –
Mumbai and Delhi- Howrah routes.
- Human capital is our key
resource. Thrust will be given to training, skill development of the staff
involved in operations and maintenance of assets so that they maintain
pace with the new machines and technology.
AKS/MKV/AK