Nelson-Farrar quarterly costimating:
Changes in the indexes for nonmetallic building materials

Click here to enlarge imageThe accompanying table shows how Nelson-Farrar indexes have changed over the period, 1996-1998, for selected basically nonmetallic building materials.Data are included for the overall nonmetallic group, five nonmetallic materials, and iron castings.Building brick, concrete ingredients, and concrete products indexes showed the greatest changes during the period.Building brick changed from 951.4 in the first quarter of 1996 to 993.5 in the fourth quarter of 1998. Concrete ingredients, showing the greatest gains of the three, changed from 728.8 in the first quarter to 794.9 in the fourth quarter of the period tested. During the same period concrete products chang...

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