Details: earth work in excavation by mechanical means (hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m 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 anddisposal of surplus excavated soil as directed, within a lead of 50 m. 1:4:8 (1 cement : 4 coarse sand (zone-iii) derived from natural sources : 8 graded stone aggregate 40 mm nominal sizederived from natural sources) 1:1½:3 (1 cement : 1½ coarse sand (zone-iii) derived from natural sources : 3 graded stone aggregate 20 mm nominalsize derived from natural sources). steel reinforcement for r.c.c. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. centering and shuttering including strutting, propping etc. and removal of form for foundations, footings, bases of columns, etc. for massconcrete steel work in built up tubular (round, square or rectangular hol
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