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The unit of measurement for earthwork in surface excavation exceeding 1.5 m in width as well as 10 sqm on plan but not exceeding 30 cm in depth, is in :
  • a)
    cu. m
  • b)
    sq. m
  • c)
    10 sq.m
  • d)
    Rmt
Correct answer is option 'B'. Can you explain this answer?
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The unit of measurement for earthwork in surface excavation exceeding ...
Measurement of Earthwork in Surface Excavation

In civil engineering, earthwork refers to the process of excavating, moving, and placing soil. The measurement of earthwork is crucial in construction projects as it helps in determining the amount of material that needs to be moved and the cost of the project. The unit of measurement for earthwork in surface excavation exceeding 1.5 m in width as well as 10 sqm on plan but not exceeding 30 cm in depth is in square meters (sq. m). Let's discuss in detail.

Surface Excavation

Surface excavation is the process of removing the top layer of soil or rock from the ground to prepare it for construction. This process is usually done using heavy machinery such as excavators, bulldozers, and backhoes. The depth of excavation depends on the nature of the project and the type of soil or rock present at the site.

Unit of Measurement

The unit of measurement for earthwork in surface excavation exceeding 1.5 m in width as well as 10 sqm on plan but not exceeding 30 cm in depth is in square meters (sq. m). This means that the area of the excavation is measured in square meters. For example, if the surface excavation has a width of 2 meters and a length of 15 meters, the area of the excavation would be 30 sq. m.

Other Units of Measurement

While the unit of measurement for earthwork in surface excavation exceeding 1.5 m in width as well as 10 sqm on plan but not exceeding 30 cm in depth is in square meters (sq. m), other units of measurement are also used in civil engineering. These include:

- Cubic meters (cu. m): This unit is used to measure the volume of earthwork. It is calculated by multiplying the area of the excavation by the depth of the excavation.
- Linear meters (Rmt): This unit is used to measure the length of a trench or excavation.
- Hectares (ha): This unit is used to measure large areas of land, such as agricultural fields or forests.

Conclusion

In conclusion, the unit of measurement for earthwork in surface excavation exceeding 1.5 m in width as well as 10 sqm on plan but not exceeding 30 cm in depth is in square meters (sq. m). It is important to accurately measure the amount of earthwork in construction projects to ensure that the project is completed on time and within budget.
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The unit of measurement for earthwork in surface excavation exceeding ...
The various units of measurement of earthwork are:
  • Surface Excavation:  Excavation exceeding 1.50 m in width as well as 10 m2 in the plan but not exceeding 30 cm in depth shall be described as ‘Surface Excavation’ and measured in square meters.
  • Surface dressing: Trimming of natural ground, excavated surface, and filled-up area to remove vegetation and/ or small inequalities not exceeding 15 cm deep shall be described as surface dressing and measured in square meters.
  • Excavation in trenches for foundation and for Pipes Cables etc: Excavation trenches for foundation and for pipes, cables, etc. not exceeding 1.50 m in width and for shafts, wells, cesspits, and the like not exceeding 10 m2 on plan – and shall be so described and measured in cubic meters.
  • Rough Excavation: Excavation not requiring dressing of sides and bottom reduction to exact levels such as winning earth from borrow pits, hillside cutting, etc. shall be described as rough excavation and measured in cubic meters.
  • The other type of excavation except as mentioned above is measured in cum.
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The unit of measurement for earthwork in surface excavation exceeding 1.5 m in width as well as 10 sqm on plan but not exceeding 30 cm in depth, is in :a)cu. mb)sq. mc)10 sq.md)RmtCorrect answer is option 'B'. Can you explain this answer?
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