31 20 00
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Earth Moving
Includes grading, excavating, embankments, and sedimentation and erosion control. earth moving for foundations, structures, pavement, railways, ditches, channels, culverts, drains, and utilities.

31 20 00 Earth Moving
31 21 00 Off-Gassing Mitigation
31 22 00 Grading
31 23 00 Excavation and Fill
31 24 00 Embankments
31 25 00 Erosion and Sedimentation Controls