- Note: Operating cost shall be validated with present condition
Conclusion
The decision of choosing an option from various types of chimneys depends upon
time and cost both summarized as under (included ducting cost in option 1&2):
- Note: Operating cost shall be validated with present condition
Chimney Guided with Pre-Heater Cantilever RCC Structure Tie Beam
MS stack (05 M Diameter) of 186 M height guided with structural steel
bracket with PH column and beam
S. N. Description No. Length (M) Width(M)
Height /
Thickness
(M)
Qty.
(M3)
Rate
(in
INR)
Amount
(in Lakhs)
1 Column up to 0.00 2 0.8 0.8 3 4 16500 1
2 Column up to 10.21 2 0.8 0.8 10.21 13 16500 2
3 Tie Beam at 10.21 3 10.4 1 1 31 16500 5
4 MS stack Foundation RCC 60 16500 10
5
Other tie beam
at different levels
are made with RCC
cantilever bracket
from 10.1 m to +139.00
M.
115 16500 19
6
Qty. of MS stack
Structural steel
186.00 M height (MT)
including supporting
structure
358 80000 286
7
Insert plate and misc.
structure cantilever
bracket from 140m to
170m
76 78000 59
Amount in Lakhs 382
S. N. Type of Chimney CompletionTime of Cost of Construction (in Lakhs)
1
RCC Standalone Chimney (110 Mtr)-
Conical structure (ID= bottom – 8.0 m,
top – 5.3 m), W/o Brick lining
8 months 274
2 Steel Chimney (110 Mtr): - Guided with RCC framed structure 5 months 361
3
Steel Chimney (186 Mtr):- Guided with
Str. Steel cantilever bracket from PH
tower
8 months 417
4 Steel Chimney (186 Mtr):- Guided with RCC Str. cantilever bracket from PH tower 9 months 382
- Steel Stack-Chimney Guided with RCC Str. cantilever beam in PH tower
