In many companies, investment site factors, FISF, are used
to multiply the total permanent investment, CTPI, to account for different costs in different localities based on the availability
of labor, the efficiency of the workforce, local rules and
customs, union status, and other items. Typical factors in
recent use by one of the major chemical companies are provided
in Table 22.13, where a plant in the U.S. Gulf Coast
area is given a base factor of 1.0. The factors range from 0.85
in India to 1.25 in the U.S. West Coast area. The corrected
total permanent investment is computed as: