Page 296 - Industrial Process Plant Construction Estimating and Man Hour Analysis
P. 296
276 Appendix B
where
D¼most recent period’s demand
S¼smoothing factor in decimal form
F¼most recent period’s forecast
Cost index
The current cost is found by using the formula
ð
C ¼ HIc=IhÞ
where
C¼current or future cost
H¼historical or past cost
Ic¼index corresponds to current or future time period
Ih¼index corresponds to historical or past time period
