NELSON-FARRAR QUARTERLY COSTIMATING HOW INDEXES HAVE CHANGED

Gerald L. Farrar Contributing Editor Costs for six selected equipment items used in refinery construction and operation have been surveyed for the three-year time period, 1989-1991. The accompanying table shows Nelson-Farrar equipment indexes for these items of equipment. Valves and fittings showed the greatest increase in cost, rising from 1138.8 in the first quarter of 1989 to 1293.1 in the fourth quarter of 1991.

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