Costing and Estimation ofWorks - Afforestation, Reforestation and Forest Restoration in Arid and Semi-arid Tropics - page 168

Table 7.5 (continued)
Item No. Item specifications Unit Quantity Required man-days Material (mdeq)

US SS SK

Subtotal of survey and marking 285 66 16 61

Part-2: Work execution

1-10 Raising of plants, in temporary nursery at site, of the following species having height

not less than 50 cm and age 4-5 months, including 20 % extra to account for
casualties in transit and for beating up:
(a) Butea monosperma nos. 6,000 96 7 73

(b) Zyzyphus mauritiana nos. 6,000 96 7 73

(c) Acacia nilotica nos. 2,400 38 3 29

(d) Cordia gharaf nos. 6,000 96 7 73

(e) Holoptelia integrifolia nos. 3,600 58 4 44

1-11 Laying of dry-stone masonry in wall for fence with compact and interlocked structure

and high stability, volume of voids not exceeding 20 % of total volume, having
suitable provision for drainage where required, using stones of irregular shape as
available at site, where stones have to be collected and fetched from an average
distance of 100 m, and the wall is of standard section SW-1

m 3,000 2,520

1-12 Topping fence wall with locally available clay or clay-gravel mixture, including

excavation of material and spreading a layer of 7.5 cm average thickness, so as to
stabilise top layer of stones against falling, where wall is of standard section SW-1

m 3,000 120

1-13 Excavation of trench of 30 30 cm section, running parallel to wall at 0.50 m

distance, including forming the excavated soil into a continuous bund along edge
of trench, where soil is of hardness class:
(a) S1, S2, or S3

×

m 500 20

(b) S4, S5, or S6 m 2,500 100

1-14 Excavation of contour trench on alignment already marked in field, including

forming of excavated soil into a bund all along the edge of the trench, the trench
being of standard section CT-1, where soil is of hardness class:
(a) S3 m 7,500 338

(b) S4 m 15,000 900