Agriculture Reference
In-Depth Information
Table 7.1
(continued)
Sr. No.
Item specifications
Unit of work
Required man-days
Unskilled
Semi-skilled
Skilled
1-7
Clearing of bush, grass, weeds, or other unwanted obstructing vegetation in way of contour
lines, fence lines, or other keylines where
(a) Dense undergrowth (0.40-1.0) is present
100 m
2
1
200 m
2
(b) Only open undergrowth is present
1
1-8
Surveying of contour lines in field to an accuracy of 2 cm vertical per 10 m horizontal length,
using the hydrostatic contour level or dumpy level or theodolite, including firm marking of
lines with whitewash or other visible and lasting impression
1,000 m
4
1
1-9
Aligning of pits at specified spacing, in between contour lines already marked in field, and
marking of such alignment on ground with whitewash or other means of visible and lasting
impression
1,000 nos.
4
1
1-10
Aligning of keylines of fence, running from one survey station to another, such stations having
already been fixed, indicating width of fence, including marking such alignment with
whitewash or other visible and lasting impression
3,000 m
4
1
1-11
Conducting precise levelling to align small dam or weir, including marking its basal lines, the
boundaries of submerged area (max. 10 ha) and computing reservoir capacity in ha-m, for
different heights of dam, using a vertical contour interval of 2 m
1 no.
16
2
3
1-12
Aligning in field the locations of loose-stone check dams in streams using a hydrostatic
contour level or a dumpy level or equivalent instrument, and marking such alignment with
whitewash or other visible and lasting impression
20 nos.
4
1
1
Part-2: Nursery operations
2-1
Excavation of nursery beds, including disposal of excavated soil up to a lead of 50 m, in
different sizes and in soils of different descriptions:
Beds of size 1
×
10
×
0.30 m in soils of hardness class:
(i) S1
100 nos.
120
(ii) S2
100 nos.
133
(iii) S3
100 nos.
150
(iv) S4
100 nos.
200
(v) S5
100 nos.
300
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