Construction of Bus Stand at Chakradharpur, West Singhbhum, Jharkhand Work Description

EARTH WORK

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared.

Felling trees of the girth (measured at a height of 1 m above groundlevel), including cutting of trunks and branches, removing the roots andstacking of serviceable material and disposal of unserviceable material. Beyond 30 cm girth upto and including 60 cm girth

Beyond 60 cm girth upto and including 120 cm girth

Earth Work in excavation in Foundation Trenches in Ordinary soil (vide classification of soil item -B) and disposal of excavated earth as obtained to a distance upto 50 M including all lift, leveling ramming the foundation trenches, removing roots of tree shrubs all complete as per approved design, building specification and direction of E/I

Extra for earth work in hard soil as per specification & direction of engineer in charge (Vide classification of soil item B)

Excavation work by mechanical means (Hydraulic excavator)/ manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m. Ordinary rock

Earth filling in foundation trenches and plinth in layer not exceeding 150mm thick will watered rammed fully compacted and fine dressed with earth obtained from excavation of foundation trenched with a lead of 50mm and lift of 1.5M all complete as per building specification and direction of E/I. (Mode of measurement compacted volume).

Providing coarse clean local SAND IN FILLING in foundation trenches or in plinth including ramming and watering in layer not exceeding 150 mm thick with all leads and 1.5 M lifts including cost of all materials, labours, royalty and taxes all complete as per building specification and direction of Engineer In charge

Treatment of soil under existing floors using chemical emulsion @ one litre per hole, 300 mm apart including drilling and plugging 12 mm diameter holes with cement mortar 1:2 (1 cement: 2 coarse sand) to match the existing floor. .With Chlorpyriphos EC 20% with 1% concentration