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Excavation Classifications per ERA 4204 by Girma Janka is a document available to read on EtoBox.

What is Excavation Classifications per ERA 4204 about?

The document classifies excavation into three categories: 1. Common (Normal or Soft rock) Excavation refers to material that can be efficiently removed by equipment like bulldozers or front-end loaders. 2. Rock Hard Excavation includes material that cannot be ripped by equipment, large boulders requiring pneumatic breakers or blasting to remove, and isolated volumes of hard material over 1m3. 3. Boulder Excavation refers to isolated volumes of hard rock found in ordinary soil or soft rock, or existing

Author

Girma Janka

Language

EN