Costing and Estimation ofWorks - Afforestation, Reforestation and Forest Restoration in Arid and Semi-arid Tropics - page 145

Table 7.1 (continued)
Sr. No. Item specifications Unit of work Required man-days

Unskilled Semi-skilled Skilled

(iii) 12 × 30 1,000 nos. 12

(iv) 20 × 40 1,000 nos. 25

(b) In hilly, rugged, ravined, or highly undulating terrain, or sand dunes, where polypots are
of size:
(i) 7 × 20 1,000 nos. 9

(ii) 10 × 25 1,000 nos. 12

(iii) 12 × 30 1,000 nos. 18

(iv) 20 × 40 1,000 nos. 35

5-7 Making of saucers around plants, 1 m in diameter with crescent-shaped ridge on downside,

facing up the slope so as to arrest water, the base of ridge being 35 cm wide, and mid-ridge
height being 25 cm, the soil being of hardness class:
(a) S-1, S-2, or S-3 1,000 nos. 10

(b) S-4 or S-5 1,000 nos. 12

(c) S-6 or S-7 1,000 nos. 15

5-8 Planting naked seedlings pricked out from polypots or from ground, into 15-20 cm deep holes

made with crowbars, etc. including local transportation over distance up to 1 km after tying
these into bundles of 50s or 100s wrapped in wet gunny cloth

1,000 nos. 2

Part-6: Maintenance operations
Weeding

6-1 Removal of weeds growing within saucers around plants, including digging out roots of weeds

with a hoe or a rake, and collection and disposal of such roots and weeds, where the soil is
of hardness class:
(a) S1, S2, or S3 1,000 nos. 6

(b) S4, S5, or S6 1,000 nos. 10

6-2 Removal of weeds growing around seedlings on bunds of trenches, etc. including digging out

roots with a hoe or a rake, and collection and disposal of such roots and weeds, soil being of
hardness class:
(a) S1, S2, or S3 1,000 m 5