SPPU Civil Engineering (Semester 3)
Surveying
December 2016
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

Solve any one question from Q.1(a,b)& Q.2(a,b)
1(a) Explain the procedure of orienting the plane table back sighting with sketch.
6 M
1(b) Following readings were observed during testing of a dumpy level:
 Instruments at Staff  Readings  on Remark A B A 1.725 2.245 Distance    between  A & B  is 200 m B 2.145 3.045

a) Is the instrumentsin adjustment?
b) What should be the R.L. of B, if R.L. of A is = 450.00m?
c) What is the colimation error in the second set?
6 M

2(a) Correct the bearings of closed traverse PQRSP for a local attraction if any.
 Line PQ QR RS SP F.B. 134° 30' 120° 00' 174° 30' 276° 30' B.B. 314°  30' 299°  20' 356° 40' 95° 00'
6 M
2(b) Explain with sketch the error occured due to curvature and error due to refraction.
6 M

Solve any one question from Q.3(a,b)& Q.4(a,b)
3(a) Determine the missing data for the following table of a closed traverse ABCDA.
 Line AB BC CD DA Length (m) 230.5 250.2 ....... ....... Bearing N36°  45'E S82°  E' S10° 15E' N82° 43'W
6 M
3(b) Explain with sketch the fixed hair method of tacheometry, when line of sight is inclined downword (depression) and staff is vertical.
6 M

4(a) Define the terms:
Trunion axis, Transiting, Telescope normal, Latitude, Face right.
5 M
4(b) A tacheometer was set up at a station P and following readings were obtained on a vertically held staff. The constants of the instrument were 100 and 0.
 Station Staff station Vertical angle Hair  readings (in mtrs) Remarks P B.M. -6°  12' 0.963, 1.515, 2.067 R.L. of B.M. is = 460.650 mtrs. P Q +7°  5' 0.819, 1.341, 1.863

Find the horiziontal distance from P to Q and the reduced level station Q.
7 M

Solve any one question from Q.5(a,b) Q.6(a,b)
5(a) Two roads AB & BC meets at B with deflection angle 52° 30' at a chainage of 1280m. Calculate the necessary data for setting out a curve with radius of 150m by "radial offset from tangent" method.
7 M
5(b) Write a note on necessity and types of transition curves.
6 M

6(a) Classify curves in different types. Draw a sketch for simple circular curve showing all its elements and derive the formula for tangent length and curve length.
6 M
6(b) Two tangents AB and BC meets at B with deflection angle &50deg; 30' at a chainge of 1280m. Calculate the necessary data for setting out a curve with radius of 150m by One theodolite method take peg interval of 20m.
7 M

Solve any one question from Q.7(a,b) Q.8(a,b)
7(a) Write a short note on GLONASS (Global Navigation and Surveying System).
6 M
7(b) Write a note on setting out a building.
7 M

8(a) Enlist the limitations of the prevalent survey techniques and so give advantages of Space Based Positioning System (SBPS).
7 M
8(b) Write a short note on survey for drainage line work.
6 M

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