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| 1 | Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge 50mm average thickness |
| 2 | Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect. Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make |
| 3 | Cleaning of exposed concrete surface of sticking material including loose and foreign material by sand blasting with coarse sand followed by and including cleaning with oil free air blast as per direction of Engineer in charge. |
| 4 | Providing and injecting approved grout in proportion recommended by the manufacturer into cracks/honey-comb area of concrete/ masonry by suitable gun/pump at required pressure including cutting of nipples after curing etc. complete as per directions of Engineer-inCharge. (The payment shall be made on the basis of actual weight of approved grout injected.)Epoxy injection grout in concrete/RCC work of approved make |
| 5 | Providing and inserting 12mm dia galvanised steel injection nipple in honey comb area and along crack line including drilling of holes of required diametre (20mm to 30mm) up to depth from 30mm to 80mm at required spacing and making the hole & crack dust free by blowing compressed air, sealing the distance between injection nipple with adhesive chemical of approved make and allow it to cure complete as per direction of Engineer-In-Charge. |
| 6 | Providing, mixing and applying over reinforcement bar zinc antirust agent as per specification and Engineer in charge.(1 Litre cover on average 4.5 sqm) |
| 7 | Providing and plcaing in position Micro-concrete(Grade M-55) in ceiling, columns, beams etc. wherever required up to floor V level which thickness varies from 25 to 50mm as site required shall be cement based prepacked single component, chloride free, non-shrink, free flow, self compacting, ready to use after mixing wate in specified proportion obtained from approved manufacturer as per specification and direction of Engineer in charge(payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding/tapping with a blunt metal instrument) Grade M-55. (Note: The wholeprocess of placing Micro-concrete shall be done under manufacturer supervision) |
| 8 | Providing and fixing Rabbit wire mesh in ceiling or columns for reinforcement b/w concrete & micro concrete with suitable fixing arrangement etc. complete & entire satisfaction of Engineer in charge. |
| 9 | Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved. |
| 10 | Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level. Mild steel and Medium Tensile steel bars |
