PH Stage Reduction from 6 to 5 Stage Remarks/
Data Unit 5 Stage 6 Stage Considerations
Differential PH civil concrete
cost
Lacs Rs -367 0 Considering
11000 M3
concrete for
6 stage PH
and corre-
spondingly per
stage factor
considered @
Rs.20000 /m3
cost
Steel and fabrication weight
of cyclone
Lacs Rs -180 0 AS calculated
90 Tonnes of
1 cyclone of
each string
Steel & fab-
rication cost
considered Rs
100000/t
Dip tube cost Lacs Rs -98.4 0 8.2 T dip tube
weight /Rs
600 kg cost /
tube
Refractory + Double
insulation weight
Lacs Rs -238 0 Refractory
weight
considered
680 for 2
cyclone and
both strings
Refractory cost
considered
Rs 35000 /t
including lay-
ing
Down comer duct Lacs Rs -12.8 0 Steel weight
for 16 meter for
each stage
Kiln feed BE cost Lacs Rs -24 0 BE cost con-
sidered 1.5
lacs/meter.
Approx. height
by 16 meter in
one stage