Oct - Dec 2009 • Vol. No. 32 Issue No. 2 • - L&T Construction

There was a tunnel extension of 3 m available period of construction. Existence of plant water
from existing TP 6 with a knockout wall to pipe line and live railway lines of the existing
facilitate execution of tunnel 113 & 114. Track hopper created a major hindrance. The
entire civil work of Track Hopper was carried
The tunnel of conveyor 111A/B has to cross
existing cable gallery. To add to the complexity of
the job, 1 two legged trestle of the cable gallery is
exactly located on the conveyor 111A/B
out across live railway lines of existing track
hopper where an average movement of 3 Coal
rakes in a day was the order of the day. As there
was no approach way other than crossing the
Similarly the tunnel of conveyor 112A/B has to
railway track, productivity had to suffer heavily
cross existing fuel oil railway lines (15 m stretch)
on account of idle time during rake movement/
unloading
In both the cases, rerouting of cable gallery or
railway lines cannot be allowed.
A major structural modification work of an
existing TP – was planned and carried out without
Other constraints
taking any “shut down” or disruption of live HT, LT
and Instrumentation cables passing all along.
Rock strata were found in the pre-excavated
Track Hopper area. About 1.5m depth of rock
had to be excavated manually without “Blasting”
(was not permitted in a running plant)
Constraints of working space and non
availability of access/ approach road at Track
Hopper area – prevailed during the entire
State-of-the-art stacker reclaimer
L&T has successfully completed the project – as per
contract / client’s requirement and now on request of
the satisfied client (WBPDCL), is also providing
assistance in operation and maintenance of the new
CHP. (which is beyond the contractual obligation)
Bakreswar CHP project is yet another testimony of Larsen
& Toubro's capability and competence in providing