Misc. Civil Maintenance work for various facilities at RandD Centre.

Providing and laying in position cement concrete of stone aggregate of maximum size 20 / 40 mm) including 1:4:8 (1 cement, 4 crushed sand, 8 graded consolidation, finishing, curing etc.complete as per specifications and drawings but excluding the cost of Form work shuttering, centering complete at all levels

Providing and fixing at all levels precast members using cement concrete of Grade M-30 in copings and / or bed blocks, plain window sills, shelves, louvers, steps, staircases, trench covers, drain covers etc. including hoisting and setting in position with C.M 1:3 (using crushed sand) cost of required centering, shuttering and finishing smooth with 6 mm thick cement plaster 1:3 (using crushed sand) on exposed surfaces complete as per specifications and as directed by the Engineer-in-charge

Providing and laying in position Reinforced Cement Concrete (RCC) of grade M-30 using 20mm maximum size aggregates and crushed sand of approved quality including admixtures of approved brand and quality (plasticiser or super plasticiser) if required, including weigh batching, mechanical mixing, transporting, placing, vibrating, consolidation, finishing, curing etc. complete but excluding the cost of centering, shuttering and reinforcement complete as per specifications up to Plinth Level. with Using Ready Mix Concrete including transporting and pumping from approved batching plants .

Extra for RCC Using Ready Mix Concrete including transporting and pumping from approved batching plants .

Providing and laying 60 mm thick factory made cement concrete interlocking paver block of M-30 grade made with strong vibratory compaction and approved size, shape, design laid in required colour and pattern over and including 50 mm thick compacted bed of crushed sand, filling the joints with crushed sand etc. all complete as -per the direction of the Engineer-in charge

Providing Reinforcement Steel for reinforced cement concrete at all levels including supplying, preparation of bar bending schedules, cutting, bending, transporting, fixing, tieing in position with PVC coated G.I binding wire, all labour charges, cost of cover blocks in specified grade of concrete etc. complete as per specifications and drawings. Steel supplied by the contractor, Up to and including 32mm dia reinforcement: Using TMT bars of specified grades. TMT bars to be supplied by vendors as per Approval of NPCIL using virgin materials

Supplying, stacking and laying of 230 mm thick rubble soling stones as under floor base including packing with smaller stone and compacting, ramming including spreading and consolidation of blinding material, moorum etc. complete all as per specifications and as directed by the Engineer-in-charge With outside material

Providing, centering, shuttering Form work using steel plates, timber planks for all types of structures including necessary strutting, propping, staging, supports, bracings etc. and deshuttering the same after the specified time all as per drawings, specifications and as directed by the Engineer-in-charge at all levels For Sub Structure / ground Level

Providing and constructing brick work in cement mortar using Standard bricks of approved quality / class, make / brand in super structure above plinth and up to floor II in all shapes and sizes including curing, raking out joints complete as per specifications and as directed by the Engineer-in-charge. Brickwork in super structure with standard bricks in C.M 1:4 using crushed Sand