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| 1 | Removing loose and broken concrete/ masonary surface by chiselling/ mechanically etc from the RCC wall, roof slab, coloumn, beam and similar structural members cutting edges, cleaning the dismantled portion with wire brush etc to make the reinforcement naked and remove dust, dirt and other foreign particle etc and removig to debries 50 Mtr from siteall as specified by Engineer-in-Charge. |
| 2 | Drilling of holes of size 10/12 mm dia to a depth of of 50 to 100 mm into the concrete surface/ crack using rotary cum hammer drill and fixing PVC/ brass nozzles with epoxy based sealent such as smart care epoxy seal to facilates grouting. The spacing of nozzles shall be as decided as per site complete all as specified and as directed. |
| 3 | M & L high strength low viscosity epoxy basedgroutinjectingthrough the nozzles to strength the weak concrete. The system should have suitable viscosity which will enable it to deep penetration in to micro cracks of concrete and on subsequent polymerisation bind the loose and weak concrete including cleaning of suface and wash and dry the surface. Make: M/s. Fosroc Chemicals India [P] Ltd. / M/s. Sika India Pvt. Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s. STP Ltd. / M/s. Bostik India Pvt. Ltd. / M/s. Thermax Ltd. / M/s. Hindcon Chemical Ltd |
| 4 | Cutting out existing cracks in concrete surfaces forming grooves of 25 mm X 40 mm size,cleaning the groove thoroughly with blower,applying primer coat of the mix ofBase &Hardner with suitable brush to form a film on the surface of groove,filling the groove with putty made by mixing Base,Hardner and river sand and finally applying the sealing coat of the same mix and in the manner primer coat is applied. Make: M/s. Fosroc Chemicals India [P] Ltd. / M/s. Sika India Pvt. Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s. STP Ltd. / M/s. Bostik India Pvt. Ltd. / M/s. Thermax Ltd. / M/s. Hindcon Chemical Ltd |
| 5 | M/L for applying rust-remover and applying Rust preventive to all exposed reinforcement bars.Make: M/s. Fosroc Chemicals India [P] Ltd. / M/s. Sika India Pvt. Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s. STP Ltd. / M/s. Bostik India Pvt. Ltd. / M/s. Thermax Ltd. / M/s. Hindcon Chemical Ltd |
| 6 | M/L for reinforced deformed bars 10mm dia and over cut to length cranking bending spirally or hopping ends MS wire annealed not less than 0.9mm dia. |
| 7 | M&L for drilling 15mm dia holes in to RCC slab / wall / Column /beams to a depth of 100 to 150 mm with 10 mm dia or above dia reinforcement embedded in hole with planting 100 mm to be used fixed with polyster resin grout mixed mechanically and pour the same into the hole and insert the reinforcement and finish the top; allow the same to set complete all as per manufacturer\"s instructions and as directedby Engineer-in-Charge.M/s. Fosroc Chemicals India [P] Ltd. / M/s. Sika India Pvt. Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s. STP Ltd. / M/s. Bostik India Pvt. Ltd. / M/s. Thermax Ltd. / M/s. Hindcon Chemical Ltd |
| 8 | S&F for hard down steel wire fabric not exceeding 3 kg/sqm cut to lengths, bent to shape mild steel wire, (annealed) not less than 0.9 mm dia as in reinforcement as directed by engineer-in-charge. |
| 9 | M&L for applying one coat of epoxy bonding coat as per manufacture\"s instruction to bind old concrete / masonary surfaces of soffit of slab, column, beam and similar structural members fornew gunited / cement surface. Make: M/s. Fosroc Chemicals India [P] Ltd. / M/s. Sika India Pvt. Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s. STP Ltd. / M/s. Bostik India Pvt. Ltd. / M/s. Thermax Ltd. / M/s. Hindcon Chemical Ltd |
| 10 | M&L for pressure guniting 40 mm average thickness in cement mortar 1:3 to all affectedRCC structures including necessary scaffolding modyfying with mortar with admixture all as per manufacturer\"s instructions including making good as directed by the Engineer-in-Charge. Note: (i) The rate quoted shall include cost of admixture.Make: M/s. Fosroc Chemicals India [P] Ltd. / M/s. Sika India Pvt. Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s. STP Ltd. / M/s. Bostik India Pvt. Ltd. / M/s. Thermax Ltd. / M/s. Hindcon Chemical Ltd |
| 11 | M&L for applying one coat curing compound on gunited surface for complete curing as per manufacturer\"s instructions.Make: M/s. Fosroc Chemicals India [P] Ltd. / M/s. Sika India Pvt. Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s. STP Ltd. / M/s. Bostik India Pvt. Ltd. / M/s. Thermax Ltd. / M/s. Hindcon Chemical Ltd |
| 12 | M&L for applying polymer modified cement mortar rendering 15mm average thick in CM 1:3 on guniting/ roof/masonary wall surfacecomplete finished even and smooth without using extra cement all as specified and as per manufacturer\"s instructions. Make: M/s. Fosroc Chemicals India [P] Ltd. / M/s. Sika India Pvt. Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s. STP Ltd. / M/s. Bostik India Pvt. Ltd. / M/s. Thermax Ltd. / M/s. Hindcon Chemical Ltd |
| 13 | Supplying and applying two coats of High build hydrophobic polyurethane waterproofing coating on RCC slab / masonary wall applied with GRACO EH 675DI air sprayer having elongation of 550% and tensile strength of 4.5 N/mm2 as per ASTM D 412, no leakage upto 5 bars of water pressure as per DIN 1048, shore A Hardness of min. 75 as per ASTM D 2240 over a coat of primer. The system includesbase preparation with one coat of epoxy primer resin and epoxy primer hardner. Apply polyurethane in two coats to achieve an average thickness of 1.0 mm to 1.2 mm thickness complete as per Manufacturere specifications. Make: M/s. Fosroc Chemicals India [P] Ltd. / M/s. Sika India Pvt. Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s. STP Ltd. / M/s. Bostik India Pvt. Ltd. / M/s. Thermax Ltd. / M/s. Hindcon Chemical LtdNote: work shall be done in the presence of JE/Engineer-in-Charge. |
