Agriculture Reference
In-Depth Information
Table 7.1
(continued)
Sr. No.
Item specifications
Unit of work
Required man-days
Unskilled
Semi-skilled
Skilled
6-9
Carrying out cut-back operation on degraded scandent rootstock with a sharp-edged
implement, including dressing the stem and collection and disposal of litter
1,000 nos.
10
Shelter from frost
6-10
Erection of brushwood shelter around plants in field, to protect these from frost. The shelter
being 10 cm higher than tip of the plant, with base diameter of 60 cm, and thick enough to
provide complete shade, its apex tied with a cord, where
(a) Average height of plants is 0.60-1.00 m
1,000 nos.
85
(b) Average height of plants is 1.01-1.50 m
1,000 nos.
100
Part-7: Minor construction works
7-1
Excavation Excavation of foundation trenches or drains, including refilling soil into plinth and
sides of foundation etc. compacting each 15 cm layer of refilled soil by ramming and
watering, and disposal of surplus soil, as required, up to a distance of 50 m in
(a) Soft soils like loam, clay loam
10 m
3
5
1
(b) Hard, dense soil like clay/gravel
10 m
3
7
1
10 m
3
(c) Hard soil mixed with boulders
8
1
10 m
3
(d) Decomposed rock
12
1
10 m
3
(e) Ordinary rock with fissures
15
1
10 m
3
(f) Hard rock requiring blasting
17
1
1
7-2
Excavating trenches of required width for pipes, cables, etc. including dressing of sides and
ramming of bottoms, depth up to 1.5 m, taking out the excavated soil, and then refilling in
layers of 20 cm, consolidating each layer by ramming, watering, etc.:
(a) Where pipes, etc. are of diameter not exceeding 30 cm, and excavation is to be carried
out in
(i) Soft soils like loam, clay loam
100 m
33
5
(ii) Hard dense soil like clay/gravel
100 m
45
5
(iii) Hard soil mixed with boulders
100 m
53
5
(iv) Decomposed rock
100 m
80
5
(v) Ordinary rock with fissures
100 m
100
5
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