Table 10 Estimated investment cost—WHR system
Description | USD |
|---|---|
Exhaust gases main manifold for 2 GTs furnished by 5 modulated exhaust dampers—the manifold is sized for 33.8 kg/s flue gases | 313,000 |
Waste heat recovery hot water generator—capacity of 1 MWthermal | 95,000 |
Waste heat recovery hot oil generator—capacity of 3.25 MWthermal | 277,000 |
Re-boiler of hot oil driven type—capacity 2.8 MWthermal | 357,000 |
Absorption chiller of 220 TOR capacity | 138,000 |
Cooling tower of 410 tor capacity | 68,000 |
Chilled water pumps at 110 m3/h, 40 m head | 30,000 |
Condenser water pump at 125 m3/h, 40 m head | 33,000 |
AHU#1 for cooling air intake to gas turbine (150 TOR) | 42,000 |
AHU#2 for cooling switchgear building (40 TOR) | 21,000 |
AHU#3 for cooling DCS building (24 TOR) | 15,000 |
Sub-total investment cost | 1,389,000 |
Balance of the system | 97,000 |
Engineering and overhead costs | 67,000 |
Extra installation work cost | 208,000 |
Total investment cost | 1,761,000 |