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| 1 | PART - A |
| 2 | Preparation of concrete surface for building up including chipping to the required depth, application of rust converter, application of anti corrosive treatment and corrosion inhibitor. Scaffolding required for the work is also included in the item |
| 3 | Supply and application ofMicro concrete work of Krishna Concem, FOSROC, sika BASF make with or without addition of aggregate including water tight shuttering and application of curing compound |
| 4 | Supply and Inject the epoxy grout low visccousity high molecular weight thermoset polymer of Krishna Concem, FOSROC, sika, BASF make in pvc nozzles at required spacing to seal the cracks in the concrete, Preliminary preparation of surface (for plugging cracks, voids) has to be done before start of grout and during grouting. |
| 5 | Providing and wrapping two layer of fiber glass wrap of min 900 gsm using product with sika, Krishna Conchem, BASF, FYFE & Co. as per the specification |
| 6 | Supply and application of epoxy bonding agent of Krishna Concem, FOSROC, sika BASF as a bond coat between old and new concrete-Application and surface coverage as per manufacturer recommendation |
| 7 | Supply of epoxy resin anchoring compound HILTI RE 500 v3 or equivalent (make hilti, Fischer) of capsule size upto 500ml to anchor reinforcement /ancho bolts in concrete at all locations. |
| 8 | Building up the profile of structure members upto 40mm average depth by using emulsified SBR latex of Krihsna Concem, FOSROC, sika BASF, Mix ratio as product date sheet in to make the surface googd including polypropylene fibres to be added to reduce shrinkage. Proper curing has to be ensured. |
| 9 | supply and application of epoxy putty to make the surface good including tools and tackles. |
| 10 | Carrying out pressure grouting using cement grout including fixing nipples & necessary scaffolding, staging tools, tackles and pressure grouting machine, cleaning of surface etc., complete the projected portion of nipples shall be cut after completion of grouting. The cost shall be inclusive of Plasticize expanding grout admixture and mixing shall be manufacture recommendation). (Cement will be issued free of cost at NTECL store) |
| 11 | Drilling of hole of diameter in RCC of any grade-Hole has to be drilled of 10mm to 32mm diameter for required depth for fixing the rebar/anchor fasteners in horizontal and vertical direction |
| 12 | Supply and application ofGrouting with quality conbextra GP II or equivalent Krishna Concem, FOSROC, sika, BASF grouting material below the base plats bolt holes for foundations and strengthening works etc including labour, materials, tools & tackles etc complete. |
| 13 | PART - B |
| 14 | Fixing scaffolding system up to seven story height made with M.S tube with centre to centre distance to adujust as per site conditions, horizontal & vertical tubes joining with cup & lock system with M.S tubes, M.S tube challis, M.S clamps and M.S staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding systems shall be stiffened with bracings, runners connection with the building etc wherever required for inspection locations with essential safety features for the workmen etc complete as per directions and approval EIC. The elevational area of the scaffolding shall be measured for payment purpose. This BOQ will be executed twice, for testing of affected RCC structures, before and after renovations works. The payment will be made once irrespective of duration of scaffolding (2*1400 m2) |
| 15 | PART - C |
| 16 | Supply and application of cementious grouting with Conbextra GP 2 or Pidigrout 10M or sika 214 or pagel VI or materflow 928T grouting material below the base plates / pedestal bases / pocket grout / shear key for TG pedestals and supporting foundations as per the specification including scaffolding, shuttering, sealing of gaps, curing, testing of material etc to complete the work as per the technical specification. |
