Details: earth work in excavation in trenches for foundation and for pipes cables etc. in ordinary soil including fitup to 1.5m and dressing of sides and ramming bottoms and disposal of surplus excavated earth as directed by the engineer with in a lead of 50m. treatment of soil under existing floors using chemical emulsion @ one litre per hole, 300 mm apart including drilling 12 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 filling available excavated earth (excluding rock) in trenches ,plinth,sides of foundation etc . in layers not exceeding 20cm in depth ,consolidating each deposited layer by ramming and watering lead upto 50m and lift upto 1.5m . filling with available fly ash and earth (excluding rock) in trenches or embankment in layers (each layer should not exceed 15 cm), with intermediate layer of compacted earth (soil density of 98%) after every four layers of co
Sector: Irrigation