Costing and Estimation ofWorks - Afforestation, Reforestation and Forest Restoration in Arid and Semi-arid Tropics - page 185

Table 7.11 Model treatment plan for shelterbelt plantation (SBP-300)
Sr. No. Item/activity Specifications of item Quantity Year of execution

9,000 m 2

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, including
treatment map

Y1

9,000 m 2

2 Clearing of ground Clearing the strip area of existing unwanted shrubs, weeds and thorns, including

uprooting where required, and levelling the pits so formed

Y1

3 Fencing Fencing the area with barbed-wire fence of type BW-6, with suitable provision

for gaps or passages in between at required number of places

2,100 m Y1

4 Nursery work Raising of plants in permanent nursery including 20 % extra plants for casualty

in handling, transport, etc.

1,000 nos. Y1, Y2

5 Digging of pits Digging of pits of size P-3 at required spacing in each row of plants 900 nos. Y2

6 Planting of seedlings 6.1 Planting of seedlings of suitable species depending upon site conditions, with

size of plants not being less than 60 cm, and age not less than 4 months

900 nos. Y2

6.2 Construction of saucers of 1 m diameter around the planted seedlings in order
to harvest and retain water, in soils of hardness class S1, S2, or S3

900 nos. Y2

7 Aftercare and maintenance 7.1 Weeding operation in the month of August or 30 days after planting

whichever is earlier

900 ops. Y2, Y3, Y4

7.2 Second weeding operation in plants 60 days after planting date 900 ops Y2, Y3, Y4

7.3 Watering the plants at monthly intervals, each watering consisting of 12 l of
water (total 900 ops., five times)

4,500 ops. Y2, Y3, Y4

7.4 Hoeing operation 15 days after the last rains of season, following each
watering thereafter

4,500 ops. Y2, Y3, Y4

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

Lump sum Y2, Y3, Y4, Y5