Lower Limit: 150 ft 2 Upper Limit: 12000 ft 2Ĭ E(updated) = (CI (calculation yr) / CI (base yr)) * CEĬI (calculation yr) = cost Index for the calculation year &ĬI (base yr) = cost index for the base yearġ. Material-of-Construction Cost Factor, F Mį M = Material-of-construction cost factorĬ B = EXP(8.551 - 0.30863*lnA + 0.06811*(lnA) 2) Lower Limit: 14 m 2 Upper Limit: 1100 m 2 There is a bunch of equations and it took some time to program it in excel but ultimately it was done.īase Cost for CS Floating-Head, 700 kPag (100 psig) exchangerĬ B = EXP(8.202 + 0.01506*lnA + 0.06811*(lnA) 2) Evans, Chemical Engineering magazine January 25, 1982. "Estimate Costs of Heat Exchangers and Storage Tanks via Correlations" by Armando B. The equations are empirical and the reference is the same i.e.: As promised in my earlier blog entry "Cost Estimation Of Fixed Roof (Cone) Carbon Steel Storage Tanks", today's blog entry relates to cost estimation of S&T heat exchangers.
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