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| 1 | Chipping of all loose and spallingof concrete to bottom of slab , beams etc. (wherever required) cleaning of reinforcement , carrying out thorough sand blasting , application of anticorrosive zinc rich epoxy primer to exposed reinforcement including cost of material , labour , equipment tools , scaffolding etc. complete all as per direction of Engineer-In-Charge |
| 2 | Providing and applying anti corrosive treatment to exposed reinforcement portion with one coat of Alkaline RUST CONVERTER Fcouert /rusticide or equivalent on exposed reinforcement after cleaning the surface with wire brush followed by 2coats of anti – corrosive epoxy phenolic IP NET RB/ POLYALK FLXOPRIME or equivalent rebar protection coating on exposed inhibitor EPCO KP – 100 / POLYALK CP 113 or equivalent over at joining concrete surface etc. complete all as per direction of Engineer-In-Charge |
| 3 | Making up lost section of concrete / mortar with thermoset repair mortar is 1 component thermoset dual shrinkage compensated fibre reinforcement formulation for structural members build up section by hand packing as per manufactures specification applied by men of hand gloves by expert applicator the rehabitated surface should be free from air gaps ,voids should be inline with existing required line and line with existing surface ,including curing cleaning the area etc complete .The work should be carried out with all the safety measures like helmet , safety belt and adequate labour insurance under the supervision of qualified supervisor, specification -1)Compressive strength should be ~65MPa according to EN12190 and C70 according to EN 13892-2.2) Modulus Elasticity in compression should be >20GPa according to EN 13412.3) Tensile strength in flexure should be ~ 8.5MPafor 7 days and ~11MPa for 28 days according to EN 12190 and F10 according to EN 13892-2. 4) Tensile Adhesion Strength should be >2,0MPa according to EN 1542.5) Shrinkage should be ~500m at +20c 65% relative humidity after 28 days according to EN 12617-4 .6) Abrasion Resistance should be <6cm3/50cm2 according to EN 13893 and wear resistance should be A6 according to EN 13892-3.7) Thermal compatibility should be >2,0MPa according to EN 12687-18) Capillary absorption should be <0,5 kg.m.h accordingto EN 13057.9)Water penetration under pressure should be 5mm according to EN 12390-8.10)Carbonation Resistance should be dk |
| 4 | Providing weld mesh as per detailed specification in form of 50X50X12 SWG weld mesh to columns and beams and slab and anchoring it to the element with binding wire of GI plumbers , nails etc. Complete etc. complete all as per direction of Engineer-In-Charge |
| 5 | Providing and fixing chicken mesh made out of 22/24 gauge wire with opening of 25 mm x 25mm or less as approved over junctions of RCC brickwork or any other similar materials , nailing the chicken mesh with wire nails at 200-250 mm c/c prior to plastering , all labour and materials complete etc. complete all as per direction of Engineer-In-Charge |
| 6 | Providing and Applying 940 GSM unit directional glass fibre sheet, the surface to be applied with prepared in round or with minimum two dimension the same is applied with two component epoxy primer by paint brush to fill all the gaps , sent etch and left for curing, the saturant2 component epoxy is applied on the surface liberally and fiber glass sheet is applied / fixed on the structural element , the mat is saturated properly and made with additional mechanical bonding , cleaning surface and the vicinity etc. The work should be carried out With All The Safety measures like, helmet safety belt and adequate labour insurance under the supervision of qualified supervisoretc. complete all as per direction of Engineer-In-Charge |
| 7 | Providing and fixing glass / carbon laminate 50 mm x 2.5 mm on the structural membrane to take additional bending moment and shear to RCC slab, beam etc by expert team of fixers with required bonding of high grade epoxy. The work should be carried out with all safety measures like helmet, safety belt and adequate labour insurance under supervision of qualified supervisor etc complete. Providing and apply of pultruded carbon fibre plate for structural strengthening. Product requirement : approved by fib, technical report. Bulleting 14: E – module : 1.65 x 105 N/mm2 : Tensile strength > = 2800 N/MM2:Strength at break > 1.7% : temperature resistance > 150 degree C . Along with supply and apply a solvent free, epoxy bases, thixotropic,structural 2 part adhesive for plate bonding. Epoxy resin and hardner, compressive strength > 90 N/mm2 (7 days at 250 degree C ); according to FIP 5.15; bond strength >= 2.5 N/m2 according EN 1542. Including surface preparation by grinding of concrete surface by electrically operated diamond cup wheel grinder rounding off sharp edges to 25 mm radius and cleaning it properly etc. complete all as per direction of Engineer-In-Charge |
| 8 | Providing and applying APNS system primer coat including cost of material , labour , tools and plants etc. complete all as per direction of Engineer-In-Charge |
| 9 | Providing and applying solvent free APNS Chemical mortar for ACID proof lining to the RCC wall, columns including materials , labour , tools and plants etc. complete thickness of mortar is 5 mm thick . Rate of consumption 10 kg per Sqm. etc. complete all as per direction of Engineer-In-Charge |
| 10 | Providing and laying 15mm thk. Acid proof tiles of an approved , quality, make, pattern and size for flooring in the areas like battery rooms etc. Including cement mortar bedding of 25 mm thick in 1:4 proportion ,cutting , levelling , jointing , filling the joints in acid proof epoxy mortar of approved colour and shades, curing, finishing etc. Complete as per manufactures specification etc. complete all as per direction of Engineer-In-Charge |
| 11 | Corrosion protection of unexposed old reinforcement on non-spalled concrete by insertion of sustained release corrosion Inhibiting caplets like powrthrow which protect both anodic & cathodic sites and reduces corrosion potential Ecorr by minimum 80 MV in conductive medium , by drilling 20-22 mm dia holes into the concrete at a depth of 30-40 mm and insert to be filled by epoxy sealant EPCO1010. Caplets shall inhibit corrosion inhibition efficiencyof 98% ( when added 0.03 % byweight )against control sample evaluated by Tafel polarization method . Depth of penetration for effective corrosion protection shall be 120mm & film formation of 20 microns as evaluated by CSIR-CECRI Karaikudi . spacing of powrthrow shall be-a) for RCC Columns -1 units in a single drilled hole at a spacing of 1m c/c from two opposite faces in staggered fashion b) For RCC Beans -1 Units in a single drilled hole at a spacing of 1m c/c from two opposite faces in staggered fashion C) RCC Slab-4 Units in a single drilled hole in 1 sqm area in a grid pattern. etc. complete all as per direction of Engineer-In-Charge |
| 12 | Providing and applying Royale Luxury Emulsion of approved make on internal wall surfaceIn RS as detailed below Scrapping for surface with emery paper and wipe clean for area . wall primer with brush by adding mineral turpentine oil by 8 to 10% or water by 15 to 20% allowing to dry for 6 to 8 hours after applying asian/ berger/ Nerolac/ Dulex paints or itsequivalentacrylic wall putty with appropriate proportion of water of allow to dry for period of 4 to 6 hours of activity . Scrapping with emery paper and wipe clean applying paints Royals luxury emulsion 1st coat with brush water content water 40 to 45 % or 65 to 70 % by role applying paints Royals luxuryemulsion 2nd coat with brush with wter content 40 to 45 % or 65 to 70 % by roller. ( with prior approval of S.E ) etc. complete all as per direction of Engineer-In-Charge |
| 13 | Providing and applying Elastomeric , anti carbonation, anti corrosive ,UV resistant , solvent based pure Aliphatic Acrylate System MONOPOL 456 on the exterior faces of buildings protection against ION penetration , carbonation, UV radiations and weathering effect conforming to ASTM D 4541-02 having Electrochemical impedance of 107 Ω and achieving dry film thickness of minimum 200 microns in a primer coat followed by two top coats using brush or spray after complete cleaning & removal of oil, grease or loose particles from the surface etc. complete all as per direction of Engineer-In-Charge |
| 14 | Providing and laying water proofing treatment to RCC terrace slab with its NILOBIT/STP/PIDILITE OR its EQUIVALENT 3 MM thick APP modified bitumen membrane with polymer reinforcement with 75mm overlapping along length and 100mm along width including removing tar felt treatment without causing damage to existing structure, cleaning terrace preparing bell mouth applying bitumen based primer @0.20lit/sqm and laying 3 mm thick APP modified bitumen membrane coating and finishing surface with heat reflective bitumen based silver paint @ 0.10 lit/sqm and covering whole treatment with five years guarantee etc. complete all as per direction of Engineer-In-Charge |
