SITE SURVEY
references to the pegs, using a measuring
tape. Record the position of peg points from
the reference points and sketch the details.
Set up the theodolite on the permanent peg
point A or B and sight another peg point.
Set the zero reading of a horizontal circle and
measure the height of the instrument.
Cover as many points as possible along the
axis from the station, then shift the instrument
to the last surveying point.
Set up the theodolite on the point and sight
towards previous station and set zero. Then,
measure the instrument height (HI).
Transit the theodolite and locate a survey
point on the axis.
A
A
B
Figure 9
Locate surveying point 1 with the help of
ranging rod/staff and take the readings of the
vertical circle, the top hair, the middle hair
and the bottom hair, after proper sighting to
the respective survey point.
Record the readings into the “tachometry”
survey sheet as shown in table 1.
Figure 11
B
Take the reading of the vertical circle, the top
hair, the middle hair and the bottom hair, after
proper sighting at respective survey points.
10. Now, repeat the steps 5, 6 ,7 and 8 throughout
the axis of the ropeway.
A
P1
A
P4
P2
P3
P5
P6
Figure 10
Figure 12
11