tender for earth work in excavation by mechanical means (hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 15m 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 soil as directed, within a lead of 50 m. all kinds of soil. , providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level : 1:4:8 (1 cement : 4 coarse sand (zone-iii) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources) , brick work with common burnt clay f.p.s. (non modular) bricks of class designation 7.5 in foundation and plinth in:cement mortar 1:4 (1 cement : 4 coarse sand) , supplying and filling in plinth with jamuna sand under floors, including watering, ramming, consolidating and dressing complete. , providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - all work up to plinth level : 1:1.5:3 (1 cement : 1.5 coarse sand (zone-iii) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) , demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of engineer - in - charge. nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) , reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement :1:1.5:3 (1 cement : 1.5 coarse sand(zone-iii) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) , centering and shuttering inc