Costing and Estimation ofWorks - Afforestation, Reforestation and Forest Restoration in Arid and Semi-arid Tropics - page 188

Table 7.13 Model treatment plan for regenerative closures (RC-600)
Sr. No. Item/activity Specifications of item Quantity Year of execution

1 Survey and demarcation Surveying the area with chain and compass, demarcating it with

monoliths or masonry pillars, and preparation of map of the area
1:5,000 scale, topo-map and treatment maps

50 ha Y1

2 Fencing Fencing the area with dry-stone wall of section SW-1, with suitable

provision for drainage of water at required number of places

3,000 m Y1

3 Soil and water conservation works 3.1 Digging of contour trench of section CT-1, at a spacing suitable

for terrain, say from 10 m to 20 m depending upon slope, in soils
of hardness class:
(a) S3 75,000 m Y1

(b) S4 15,000 m Y1

(c) S5 75,000 m Y1

750 m 3 3.3 Construction of loose-stone check dams (LSCDs) across

streams, etc.

Y2

3.4 Construction of saucers of 1 m diameter around the naturally
growing seedlings, in order to harvest and retain water, in soils of
hardness class:
(a) S1, S2 or S3 1,000 nos. Y2

(b) S4 or S5 500 nos. Y2

4 Sowing of seeds for CVH, on keylines 4.1 Sowing of seeds of tree and shrub species in two parallel rows at

20 cm spacing on the bunds of contour trench, along fence, etc. by
hand dibbling, just before rains

66,000 row-m Y2

4.2 Sowing of seeds in notches made in cracks, pockets of soil, etc.
seen in rocky and too steep areas

20,000 nos. Y2

5 Aftercare and maintenance 5.1 Weeding operation in sowing on keylines 30 days after first rains 33,000 m Y2, Y3, Y4

5.2 Second weeding operation in sowing on keylines 15 days after
the last rains of the season

33,000 m Y2, Y3

100 m 3

5.3 Repair and maintenance of fence after the last rains, and
continuously as and when required

Y2, Y3, Y4, Y5