Costing and Estimation ofWorks - Afforestation, Reforestation and Forest Restoration in Arid and Semi-arid Tropics - page 131

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

Unskilled Semi-skilled Skilled

(a) SW-1 100 m 48

(b) SW-2 100 m 62

(c) SW-3 100 m 42 1 1

3-5 Repair of dry stonewall by laying it for the portion that has fallen, that is, without pulling

down the entire wall, but including fetching of supplementary stones from field, wall being
of standard section:
(a) SW1 or SW2

100 m 3

55

100 m 3

(b) SW3 55 1 1

3-6 Excavation of ditch-cum-bund fence including dressing of sides and making soil into a bund

with base 2.5 m, height 1 m, and top width 0.60 m, with its toe at 10 cm from edge of ditch
on inner side of plantation:
(a) Where fence is of section DB-1 (1.125 m 2 ), and the soil is of hardness class:
(i) S1 100 m 45

(ii) S2 100 m 50

(iii) S3 100 m 56

(iv) S4 100 m 75

(v) S5 100 m 112

(vi) S6 100 m 225

(vii) S7 100 m 450

(b) Where fence is of section DB-2 (1.44 m 2 ), and the soil is of hardness class:
(i) S1

100 m 58

(ii) S2 100 m 64

(iii) S3 100 m 72

(iv) S4 100 m 96

(v) S5 100 m 144

(vi) S6 100 m 288

(vii) S7 100 m 576

(c) Where fence is of section DB-3 (1.62 m 2 ), and the soil is of hardness class: