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Table 14 Wind farm worksheet and county consultant inputs and results

From: Design of local roadway infrastructure to service sustainable energy facilities

Input criteria Consultant design Worksheet design
Number of turbines 127 127
Truck traffic assumed 14,150 11,557
California bearing ratio 3 3
Soil resilient modulus (Mpa) 41.37 35.58
Allowable rutting (cm) 5 to 7.5 N/A
Allowable loss of service 3 N/A
Aggregate base modulus (Mpa) 206.4 N/A
Percent heavy trucks (%) 80 100
Maximum load per tire (kg) 4,536 4,536
Recommended structural number 1.3 1.9
Recommended pavement layer thickness - -
Hot mix asphalt surface (cm) 0 5.08
Stabilized aggregate base (cm) 30.5 30.5