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NOTE: All measurements and computations must be complete on a truck before any hauling is done by that truck.

109.12 Truck Measurement Conversion Factors. When requested by the Contractor, materials specified to be paid for by the cubic meter (cubic yard) may be measured by the metric ton (ton); conversely, materials specified to be paid for by the metric ton (ton) may be measured by the cubic meter (cubic yard). Procedures for calculating the conversion factors are as follows:

  • 1.

    Obtain Truck Scale Calibration documentation as indicated in Subsection 109.08 of this Manual.

  • 2.

    Document truck measurements for each of the trucks to be used for obtaining data for this calculation, using Truck Measurement Form (19-507 or 19-507M) and the instructions given in Subsection l09.11 of this Manual. A minimum of three "truck loads" must be weighed. This can be any combination of truck(s) and loads.

  • 3.

    Obtain weights (to the nearest even whole kilogram [pound] or to the nearest

    • 0.001

      metric ton [ton]) of at least three separately loaded "truck loads" of the material to be transported. Obtain the needed moisture content samples as each of the loads is readied for weighing.

  • 4.

    If moisture content is greater than 5.0%, adjust the net weight to 5% moisture content by multiplying net weight times 105 and dividing the product by (100 +

      • M)

        where "M" is the moisture content expressed as a percentage.

Rev. 2-16-04

Page 100-140B

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