Which of the following methods is used for measuring earthwork?
1
Volume shall be worked out to nearest to 0.02 m3
2
Area and volume shall be nearest worked out to 0.01 m2 and 0.01 m3
3
The area shall be worked out to nearest to 0.02 m2
4
Area and volume shall be worked out to nearest to 0.03 m and 0.03 m