Using the data on equipment costs given in this chapter or commercial cost-estimating software, estimate the cost of the following equipment:

1. A shell and tube heat exchanger, heat transfer area 50 m² , floating-head type, carbon steel shell, stainless steel tubes, operating pressure 25 bar; 

2. A kettle reboiler, heat transfer area 25 m² , carbon steel shell and tubes, operating pressure 10 bar; 

3. A horizontal, cylindrical, storage tank, 3 m diameter, 12 m long, used for liquid chlorine at 10 bar, material carbon steel; 

4. A plate column, diameter 2 m, height 25 m, stainless clad vessel, 20 stainless steel sieve plates, operating pressure 5 bar.