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Area-Computation-&-Tacheometric-Surveying

Following observations were taken with a tacheometer fitted with an anallactic lens having value of constant as 100.

Inst. Station Staff station Reduced bearing Vertical angle Staff reading
O P N37W 412 0.910, 1.510, 2.110
O Q N23E 542 1.855, 2.705, 3.555

Calculate horizontal distance between P and Q.


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A tacheometer is setup at an intermediate point on a traverse course PQ and the following observations are made on a staff held vertical. Staff Station Vertical Angle Staff Intercept Axial Hair Readings P + 9o30′ 2.250 2.105 Q + 6o00′ 2.055 1.975 The constants are 100 and 0. Compute the length PQ and the reduced level of Q. RL of P = 350.50 m.

Following observations were taken with a tacheometer fitted with an anallactic lens having value of constant as 100.

Inst. Station Staff station Reduced bearing Vertical angle Staff reading
O P N37W 412 0.910, 1.510, 2.110
O Q N23E 542 1.855, 2.705, 3.555

Calculate horizontal distance between P and Q.

The horizontal angle subtended at the theodolite station by a subtense bar with vanes 3 m apart is 0o 10 ′40′′. Calculate the horizontal distance between the theodolite and the subtense bar?

Following observations were taken with a tacheometer fitted with an anallactic lens having value of constant as 100. Inst. Station Staff station Reduced bearing Vertical angle Staff reading O P N37W 412 0.910

1.510

2.110 O Q N23E 542 1.855

2.705

3.555 Calculate the horizontal distance between P and Q.

Area Computation & Tacheometric Surveying

Surveying