The excavation exceeding 1.5 m in width and 10 sq. m in plan area with a depth not exceeding 30 cm ,is termed as

- 1
  
  Excavation
- 2
  
  Surface derssing
- 3
  
  Cutting
- 4
  
  Surface excavation.

Display Comments

Leave a comment

Login at first then you can submit comment. Click here to login.