bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - 296337; 296337; service provider - earth work in excavation all kind of soil by mechanical means (hydraulic excavator)/manual means over areas (exceeding 30cm in depth 1.5m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50m and lift up to 1.5m disposed earth to be levelled and neatly dressed.all kind of soil. , supplying and filling in plinth with sand under floors, including watering, ramming,consolidating and dressing complete. , surface dressing of the ground in all kind of soil including removing vegetation and in- equalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and liftup to 1.5 m , 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:8 graded stone aggregate 40 mm nominal size). , 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): 3 graded stone aggregate 20 mm nominal size) , steel reinforcement for r.c.c. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level : thermo-mechanically treatedbars of grade fe-500d or more. , brick work with fly ash bricks (non modular) of class designation 7.5 in foundationand plinth in: ement mortar 1:6 (1 cement : 6 coarse sand) , centering and shuttering including strutting, propping etc. and removal of form for foundations, footings, bases of columns, etc. for mass concrete , 12 mm cement plaster of mix 1:6 (1 cement : 6 coarse sand) , clearing grass and removal of the rubbish up to a distance of 50 m outside theperiphery of the area cleared.