1) sop with leveling staff
2) solid staff
3) folding staff
4) target staff
there are commonly five tpes of levelling:- 1.simple levelling 2.differential 3.reciprocal levelling 4.profile levelling 5.cross section levelling
basically two types of levelling.. 1.Direct Levelling 2.Indirect Levelling. further they can be classified as well.
for a levelling staff the least count is 0.01in and in m 0.005m
there are few types of errors in levelling...... these arr...... 1- instrumental error 2- collimation error 3- errors due to curvature and refraction 4- some other errors also
levelling
thue advantages and dis advantages of levelling
Levelling the Land was created in 1991-09.
differentiated by the set of instrument, observation methods and accuracy.
of Level
Ordinary spirit levelling uses a spirit level to measure height differences between points, whereas precise levelling involves more precise instruments like a digital level or automatic level to achieve higher accuracy in measurements. Precise levelling is typically used for engineering and construction projects that require more accurate measurements.
to levelling the soil.
to levelling the soil.