Repair and Maintenance of Infrastructure Assets in R-I division during 2026-27.

Taking out existing CC interlocking blocks from footpath/ central verge, including removal of rubbish etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge.

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)

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m : All kinds of soil Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering- All work up to plinth level: 1:5:10 (1 Cement : 5 Manufactured Sand derived from Recycled concrete aggregate (RCA) : 10 graded stone aggregate 20 mm nominal size Recycled aggregate (RA))

Providing and laying non-pressure NP2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete : 300mm dia. RCC Pipe

Making connection of drain or sewer line with existing manhole including breaking into and making good the walls, floors with cement concrete 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement : 3 coarse sand), finished with a floating coat of neat cement and making necessary channels for the drain etc. complete : For pipes 250 to 300 mm diameter

Relaying 60 mm thick factory made cement concrete interlocking/grass paver blocks of M-30 grade made by block making machine with strong vibratory compaction and of approved size and design/ shape laid in required colour and pattern over and including 50 mm thick compacted bed of coarse sand filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge. Interlocking/grass paver blocks shall be supplied by department free of cost at site.

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

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering. : All work up to plinth level. 1:2:4 (1 cement : 2 coarse sand (Zone-III) including manufactured sand derived from Recycled concrete aggregate (RCA) uoto 25% : 4 graded stone aggregate 20 mm nominal size including Recycled concrete aggregate (RCA) upto 25%).

Constructing brick masonary circular road gully chamber of 560mm internal dia and depth 60cm with FPS bricks of class designation 7.5 in cement mortar 1:4 (1 cement : 4 coarse sand ) over a bed of cement concrete 15 cm thick and 115 dia of cement concrete 1:5:10 (1 cement :5 coarse sand : 10 graded stone aggregate 40mm nominal size) inside cement plaster of 12mm thick with cement mortar 1:3 (1 cement :3 coarse sand ) finished with a floating coat of neat cement on walls and floors including providing and fixing of SFRC gully grating cover and frame (560mm internal dia and 840 mm external dia and 130 mm thick) confirming to specification of SFRC cover and frame to I.S: 12592 part-I & II with upto date amendment in 150mm thick cc 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size ) complete as per direction and satisfaction of Engineer in charge.