The following are the major units in a chemical plant. Evaluate the bare-module cost for each unit and for the entire process. Assuming no allocated costs for the utilities and related facilities, estimate the direct permanent investment, the total depreciable capital, and the total permanent investment for the process. Use \(\mathrm{CE}=600\).

(a) Two cast-steel centrifugal pumps (one a standby), each to handle \(200 \mathrm{gal} / \mathrm{min}\) and producing a 200 -psia head. The suction pressure is \(25 \mathrm{psia}\) and the temperature is ambient.

(b) A process heater with heat duty of \(20,000,000 \mathrm{Btu} / \mathrm{hr}\). The tube material is carbon steel. The pressure is 225 psia.

(c) A distillation column with 5 -ft diameter, 25 sieve plates, and 2-ft tray spacing. The pressure is \(200 \mathrm{psia}\) and the material of construction is 316 stainless steel.

(d) A distillation column with 2 - \(\mathrm{ft}\) diameter, 15 sieve plates, and \(2-\mathrm{ft}\) tray spacing. The pressure is 200 psia and the material of construction is 316 stainless steel.

(e) A shell-and-tube heat exchanger with 3,200 \(\mathrm{ft}^{2}\) transfer surface, floating heads, a carbon-steel shell, and stainless steel tubes at 200 psia.

(f) A shell-and-tube heat exchanger with 7,800 \(\mathrm{ft}^{2}\) transfer surface, floating heads, and stainless steel shell and tubes at 200 psia.