Details: earth work in excavation by mechanical means (hydraulic excavator)/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by engineer-incharge. ordinary rock filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m. diluting and injecting chemical emulsion for post-constructional anti-termite treatment (excluding the cost of chemical emulsion) :treatment of soil under existing floors using chemical emulsion @ one litre per hole, 300 mm apart including drilling 12 mm diameter holes and plugging with cement mortar 1 :2 (1 cement : 2 coarse sand) to match the existing floor: with chlorpyriphos/lindane e.c. 20% with 1% concentration supplying and filling in plinth with jamuna sa
Sector: Water supply and Sewerage