Costing and Estimation ofWorks - Afforestation, Reforestation and Forest Restoration in Arid and Semi-arid Tropics - page 122

Table 7.1 Basic schedule of rates (labour)
Sr. No. Item specifications Unit of work Required man-days

Unskilled Semi-skilled Skilled

Part-1: Survey and demarcation

1-1 Carrying out, in field, chain and compass survey to an accuracy of 2 % (area survey),

including line-cutting on ground through growth of shrubs, etc., marking stations on
ground, plotting site plan on graph sheet, and calculating area, in
(a) Hilly or rugged terrain or ravines with dense undergrowth of shrubs and thorns 50 ha 10 1 2

(b) Hilly or rugged terrain or ravines with open undergrowth of shrubs and thorns 50 ha 6 1 2

(c) Flat or gently sloping or rolling terrain with dense undergrowth of shrubs and thorns 50 ha 4 1 2

(d) Flat or gently sloping or rolling terrain with open undergrowth of shrubs and thorns 50 ha 4 1 1

(e) High sand dunes, or rolling sandy tracts 50 ha 5 1 1

1-2 Demarcation of the boundary of a site with masonry pillars or monoliths or angle irons or

wooden pegs 75 cm long, with 45 cm firmly fixed in ground and the rest painted in enamel,
in red over top 15 cm and in white over lower 15 cm, and serially marked with letters A, B,
C, etc. along with relevant distances and bearings according to the field topic

50 ha 5 1 1

1-3 Detailed topographic survey of area with a vertical contour interval of 2 m, including

preparation of topo-maps showing prominent relief features and drainage lines, using chain
and compass, and a dumpy level or a theodolite in
(a) Hilly or rugged terrain or ravines with dense undergrowth of shrubs and thorns 50 ha 35 5 6

(b) Hilly or rugged terrain or ravines with open undergrowth of shrubs and thorns 50 ha 21 5 6

(c) Flat or gently sloping or rolling terrain with dense undergrowth of shrubs and thorns 50 ha 21 4 5

(d) Flat or gently sloping or rolling terrain with open undergrowth of shrubs and thorns 50 ha 14 3 4

(e) High sand dunes, or rolling dunes or loose sandy tracts 50 ha 17 3 4

1-4 Preparation of detailed treatment plan on the basis of topographic map and soil sampling and

other field observations, including treatment map drawn on 1:5,000 scale, with a table
indicating the estimated quantity of each item of work

50 ha 6 1 2

1-5 Chain survey of a nursery site to an accuracy of 0.50 m, including layout of the various

components of the nursery, preparation of site plan showing existing prominent features

1 no. 4 1 2

1-6 Setting out, in field, the various elements of a nursery in accordance with an approved plan

drawn to scale, including firm marking of such layout with linework in whitewash or

1 no. 4 1 1