Capital Investment Dialog: DFC Tab

ScnCC_DFC.jpg

This tab is part of the ‘Capital Investment’ dialog of a process section; for more details, see Capital Investment Dialog.

Variable Definitions, Ranges and Default Values

The following table shows a brief description of the variables appearing in this tab. The table also displays their default values and their generally acceptable range:

Variable

Default Value

Range

 

◙ Direct Fixed Capital (DFC) (thousand $)
The DFC for a section expressed in thousand dollars.

0.0

Positive

○ Unlisted Equipment Purchase Cost
The purchase cost of unlisted (overlooked) equipment for a section expressed as a fraction of the section’s total equipment purchase cost (PC).

0.2

0-1

○ DFC Using a Composite PC Factor
The DFC for a section expressed as a factor of the section’s total equipment purchase cost (PC).

4

Positive

○ Piping (A) Cost
The piping cost for a section expressed as a fraction of the section’s total equipment purchase cost (PC).

0.35

0-1

○ Instrumentation (B) Cost
The instrumentation cost for a section expressed as a fraction of the section’s total equipment purchase cost (PC).

0.40

0-1

○ Insulation (C) Cost
The insulation cost for a section expressed as a fraction of the section’s total equipment purchase cost (PC).

0.03

0-1

○ Electrical Facilities (D) Cost
The electrical facilities cost for a section expressed as a fraction of the section’s total equipment purchase cost (PC).

0.10

0-1

○ Buildings (E) Cost
The buildings cost for a section expressed as a fraction of the section’s total equipment purchase cost (PC).

0.45

0-1

○ Yard Improvement (F) Cost
The yard improvement cost for a section expressed as a fraction of the section’s total equipment purchase cost (PC).

0.15

0-1

○ Auxiliary Facilities (G) Cost
The auxiliary facilities cost for a section expressed as a fraction of the section’s total equipment purchase cost (PC).

0.40

0-1

○ Unlisted Equipment Installation Cost
The installation cost of unlisted (overlooked) equipment for a section expressed as a fraction of the section’s unlisted equipment purchase cost.

0.50

0-1

○ Engineering (H) Cost
The engineering cost for a section expressed as a fraction of the section’s direct cost (DC).

0.25

0-1

○ Construction (I) Cost
The construction cost for a section expressed as a fraction of the section’s direct cost (DC).

0.35

0-1

○ Contractor's Fee
The contractor's fee for a section expressed as a fraction of the section’s sum of direct (DC) and indirect (IC) costs.

0.05

0-1

○ Contingency
The contingency cost for a section expressed as a fraction of the section’s sum of direct (DC) and indirect (IC) costs.

0.10

0-1

Symbol Key: ○ User-specified value (always input); ● Calculated value (always output); ◙ Sometimes input, sometimes output

Specification Choices / Comments

The following list describes the available specification choices in this tab; for more details on how these are implemented, see the Direct Fixed Capital (DFC).

•If the DFC is Set by User...

You can set the value of the section’s DFC directly.

•If the DFC is Estimated Using a Composite PC Factor...

You can specify a suitable value for the PC factors. The section’s DFC will be calculated by the program based on the specified factors.

•If the DFC is Estimated Using a Distributed Set of PC Factors...

You can specify suitable values for the enter a value for composite PC factor. By default, a section’s DFC is estimated based on this option.

See also:

●      Economics