Military Engineer Services-MES has published Tender For Repair And Improvement Work Alongwith Arresting Leakage Seepage To Internal External Surfaces Of Overhead Water Tanks. Submission Date for this Tender is 28-05-2024. Water Tank Tenders in jalahalli Karnataka. Bidders can get complete Tender details and download the document.
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| b8d4d277-6f20-474d-bfc3-bd391ca46548.html | Tender Notice | 0 KB |
| 8909GENPAGE.pdf | Tender Document | 0 KB |
| 8909PS.pdf | Tender Document | 0 KB |
| BOQ_730680.xls | Tender Document | 0 KB |
| Tendernotice_1.pdf | Tender Document | 0 KB |
| Sl. No. | Item Description |
| 1 | M&L for applying 2 coats after removal of curing membrane with emery paper two part non toxic solvent free epoxy resin coating for lining and potable water retaining structures having 100% solid contents,approved by CFTRI(USFDA-175.300)and complies to ASTM D 2370,etc non toxic cured film meets requirements as per IS 9883:1981 at 200 microns DFT overall thickness200 microns for two coats on the water retaining portion .The coating should be applied on prepared and cured surfaces after removing loose dust, dirt etc, and mixing the materials using slow speed electric drill. It should be applied with a suitable stiff nylon type brush complete all as speci?ed and directed by Engr-in- charge. |
| 2 | M&L for repair to cracks and damaged existing surfaces ofOHT/ Sump etcby Hydrogen Free Expanding And Plasticising Additive . It plasticizes the mix, allowing for substantial reduction in water without affecting the fluidity, thus improving the strength and impermeability, the admixture/ additive in cement to provide non-shrink properties Cementitious Cable Encapsulation . (a). Fixing of pvc nozzles in zig-zag fashion not more than 50cm c/c on RCC surfaces on all directions as required after drilling holes in concrete, fixing pvc nozzles with fast setting mortar and covering with renderoc plug. The size of holes shall be 20mm dia and 75mm in depthcomplete all as specified and directed by Engineer-in-Charge. |
| 3 | M&L for providing 25 mm thick one component chloride free thixotropic ?bre reinforced polymer modi?ed repair mortar with alkali resistant synthetic fibres for exceptional resistance cracking complies ASTM C 109 with ?exural strength ASTM C 348 @ 7 days meeting 7N/mm2, tensile strength @ 7days (ASTM C 307)> 3 N/mm2, compressive strength of 35Mpa at 7 day and 45Mpa at 28 days, Adhesion bond strength> 2 N/mm2 ,Creep Strain Reduction- 10% at the outer or inner RCC surface.cement and sand can be used for finishing purpose. It should be specially adhered to BS 6319 having speci?c gravity of 1.025 to 1.04, minimum 43% solid contents as per manufacturer instructions complete all as speci?ed and as directed by Engineer-in-Charge. |
| 4 | M&L for protecting and plastering of waterproofed surface Using cement based, micro- silica restoration mortar mixed with hydrolysis resistant primer cement modifier,not less than 8% of weight of micro silica restoration mortar.The product needing only addition of water at site which can be applied by trowel.cement, sand can be used for finishing purpose. It is reinforced with specially designed bean shaped, alkali resistant synthetic fibers for exceptional resistance to cracking. It is recommended for repair situations requiring application of mortar up to 10 mm thickness in one layer.The product shall achieve a compressive strength of 11 MPa in 1 day & 30 MPa in 28 days and a minimum flexural strength of 6 MPa @ 7 days. It shall have a tensile strength of minimum 2 MPa. It shall have a minimum bond strength of 2 MPa as per manufacturer instructions complete all as speci?ed and as directed by Engineer-in-charge. |
| 5 | M&L for resistance to aggressive agents like atmospheric gases, carbon dioxide, chloride ions, sulphates, oxygen and water, cracks, UV rays and rain, efflorescence and lime blooming by using two coats of water based Alicyclic primer & protect surface to carbon dioxide and adorning coating contains special glass fibres to maintain anti cracking properties for concrete/ Masonary, apply Acrylic emulsionSealer Coat chemicalhaving High performance Water Based aliphatic protective coating to concrete & masonary surface new or old, after proper surface Preparation, cleaning of dust, dirt, etc. System should comprise of water based acrylic polymer primer coating on prepared surface at 260-280 microns DFT (Density Function Theory) and at 200 microns WFT ( Water Function Theory) using suitable brushor roller, overcoating time @ 30°C shall be 8 hours as per manufacturer instructions complete all as speci?ed and as directed by Engineer-in- Charge. |
| 6 | M&L for removing old existing rubbish/battered/useless mixture of the binding materials such as cement / Lime and fine aggregate (<4.5mm retained on IS Sieve), loose/unsound weaken mixture of binding materials such as cement / Lime and coarse Aggregate (>4.5mm retained on IS Sieve), fine Aggregate of any description and in any position from existing external/internal surfaces of RCC components or any surface having average profundity of 15mm (Approx height 10m from natural ground level) by hand tool that has a long metal blade with a sharp edge at the end, chisel and hammer or using robust pneumatic chisel hand tools and removal beyond MoD land including cutting of all edges, making square shoulders of the aperture, coarsen the smooth surfaces curettage /removing of all deterioted/decayed loose surfacecomplete all as speci?ed and as directed by Engr-in-charge. |
| 7 | M&L for form work to sides and soffits of lintels, beams, columns, shelves, chajjas including overhangs etc for fair finished flat surface complete all as specified and directed by Engr-in-charge |
| 8 | M&L for providing and spraying polyamine cured epoxy coatingincorporating a special alkali reactive emulsion breaking system compoundover the plastered surface. This impervious film prevents excessive water evaporation which in turn permits more efficient cement hydration, thus reducing shrinkage and increasing durability. It shall have a specific gravity of 1.02 and the minimum application temperature shall be 10°C and the strength of concrete complies with the internationally recognised ASTM C309-90 standards typically within the range of 200 to 285 ml/sqm, SG - 1.02 including all tools and tackles as per manufacturer instructions complete all as speci?ed and as directed by Engr-in- charge. |
| 9 | M&L for applying 2 coats of two component solvent free , moisture insenstive epoxy resin coating it should achieve Compressive Strength of >70 MPa after 14days, having pot life Pot life, minutes at 27°C, 100 g >40 mass.The product shall have a minimum pot life of 120 Min at 35°C and an open time of atleast 4-6 Hours @ 30°C.It shall develop a minimum compressive strength of 40 MPa and a bond Strength of 11 MPa.Before applying coating surface should be cleaned from dirt, fungus and all foreign material as per manufacturer instructions complete all as speci?ed and as directed by Engr-in-charge. |
| 10 | M&L for providing and applying 2 coats of coatingon surface, it shall be liquid applied highly durable waterproof coating system for surface , based on high quality acrylic emulsion, functional filler, sunlight stable pigment and quality fungicides. It shall have properties that provide features like crack bridging ability, breathability, flexibility & exterior durability and resists micro-organism growth.It shall cover hairline cracks up to 0.5 mm effectively. It shall have excellent crack bridging ability and shall bridge cracks up to 2 mm width. The elongation at break is approx. 220 %. The tensile strength is 0.7 Mpa. It has a hardness shore ‘A’ scale of 80, with an adhesion strength of 3.4 Mpa. The coating is UV resistant, algae and fungus resistant, and has a water vapor permeability of 40 gm/m²/day and a crack bridging ability of 1-2 mm. The coating must be applied with temperature above 5°C and below 45°C. The coating shall be applied in two coats of by roller or brush application at the interval of 4-6 hours. Allow applied coating to dry or cure for 7 days complete all specified and directed by Engineer-in-charge. |
| 11 | M&L for providing in areas with major spalling (greater than 25% of ceiling concrete depth) leak proof shuttering to facilitate pouring of Green Pro certified micro concrete to have a desired thickness as per design.The shuttering shall be provided till the top at the sides with a gap of around 50 mm from the bottom of the slab to facilitate pouring of micro concrete. Further pouring corrosion resistant, non-shrink, rheoplastic, high-strength cementitious micro-concrete BS 66 MUCIS of Thermax Make having fresh wet density of 2200-2400 kg/m.The micro-concrete must be GreenPro certified adhering to all standard norms as per certification.The micro-concrete in flowable consistency shall achieve a compressive strength not less than 20 N/mm2 at 24 hours, 30 N/mm2 at 3 days, 40 N/mm2 at 7 days and 50 N/mm2 28 days at 30°C. Most importantly, the cured micro concrete shall contain in no metallic aggregates, or chlorides and shall be shrinkage compensated in the plastic state. The unrestrained expansion shall be between 1-3%. The flexural strength shall not be less than 10 N/mm2 at 28 days. The micro-concrete shall have a coefficient of thermal expansion similar to that of the host concrete. Deshuttering shall be done after a minimum period of 36 hours or so depending on the ambient temperature. In case of low temperature, the shuttering shall be kept in place for 48-72 Hours Complete all as specified and directed by Engineer-in-charge. |
| 12 | M&Lfor providing and fixing welded MS wire mesh weighing not less than 1Kg/Sqm of size 50mmX50mm of 2.6mm dia on the prepared surface & surface should be cleaned andbe removed from dirt, fungus and all foreign material complete all as specified and directed by Engineer in Charge. |
| 13 | M&L forapplying 2 coats of mixture of two monomer unsaturated liquid hydrocarbon , gaseous hydrocarbon and polymesrized them to get the high polymerdispersion emulsion successfully bonded to mortar, to improve adhesion to concrete, better durability, reducedshrinkage and increased flexibility and resistant toemulsification in damp condition modi?ed Ensuring no porosityin new/old surface, temperatures between +5°C and +35°C, Resist to penetration of CO24.600 micron , compressive strength (11.5 N/mm2) at 3days strength - 11.5 (N/sqmm ) and at 28 days - 25.30N/sqmmas per manufacturer instructions complete all as speci?ed and as directed by Engr-in-charge. |
| 14 | M&L for applying Polyster Resin based Anchoring material in concrete before fixing nozzle it should typically attains a compressive strength in excess of 20N/mm @ 3 hours and and ultimate compressive strength of 70N/mm in 7 days (50mm x 50mm x 50mm)when tested as per BS 6319 Part 2 : 1983 as per manufacturer instructions complete all as speci?ed and as directed by Engr-in-charge. |
| 15 | M&L for Shear thinning agents in RCC/ walls/ ceiling/ columns/ beams/floor/bricks cracks after opening up in “V” groove manner covering the area of 300mm from central line of crack with the depth of 8 mm complete with three components compound graded filler, E-Resins and Shear thinning agents with adjustable consistency by varying the filler component epoxy resin based as per manufacturer instructions complete all as speci?ed and as directed by Engineer in Charge. |
| 16 | M&L for applying 3 coats of corrosion inhibiting, polymer matrix with excellent mechanical properties such as adhesion and elongation as waterproofing barrier coating. It should be non toxic and non-re-emulsifying. Should conform to JIS Z 1535 and IS-3085 and DIN-1048.having Hardness - Shore "D" scale of 20,wet density of 1.66 g/cc, flexibility at low temperatures, tensile strength > 0.4 MPa, Elongation > 20%, adhesion to substrate greater than 1.5 N/mm², waterproofing to withstand 330 KPa positive pressure and 160 KPa negative pressure, Mixing should be done by electric rotary mixers. The substrate should be free of laitance, loose concrete, dust, oil etc. if applied on screed or any other cementitious surface the surface should be propoerly cured prior to application complete all specified and directed by Engineer-in-charge. |
| 17 | M&L for treating the existing pipe penetrations using non-shrink, free flowing, cementitious grout .The compressive strength of the grout must exceed 50 N/mm2 at 7 days and 60 N/mm2 at 28 days. The flexural strength of grout must exceed 9N/mm2 @ 28 days. Fresh wet density of the mixed grout must exceed 2150 kg/m3. Further flashing the area using solvent based UV resistant polyurethane based waterproofing materialhaving minimum tensile strength on 4 N/mm2 and minimum elongation of 800%as per manufacturer instructions complete all as speci?ed and as directed by Engineer in Charge. |
| 18 | M&L for applying 2 coats of passivating protective matrix anti-corrosive cementitious protective coatings onsteel forming a continuous ?lm not less than 1000 micron of Single component for steel reinforcements/steel ,Mixed density : 2.01-2.05 Pot life : 30 minutes@30 C Touch dry time : 10-15 minutes @ 30 C Adhesion bond strength : 1 N/mm and preparing the surface to receive thecementitious repair mortars in appropriate proportion as per manufacturer instructions complete all as speci?ed and directed by Engr-in-charge. |
| 19 | M&L for MS TMT bars 12 mm dia and over as in reinforcement cut to length, bent to shape required including cranking bending spirally for hooping for columns, hooking ends & binding with and including MS annealed wire not less than 0.9 mm dia complete all as specified and directed by Engineer in Charge. |
| 20 | M&L on dilapidated girders or reinforcement encased in concrete for providing and applying alkaline based Anti-oxidizing compound for steel structure conforming to ASTM D 1748-10(2015) after cleaning loose scale or oxidized chips from bars .The material to be applied on the rusted metal using brush. Allow it to react for 16 to 24 hrs, pH Value : Alkaline (9.5 - 10)and afterwards wire brushing the surface. Clean with dry cloth before application of protective coating etc.. complete all as speci?ed and directed by Engr-in-charge. |
| 21 | Note: for item No. 1 to 20:- The work for items Srl No 1 to20 shall be executed directly by manufacturer or through their authorized and qualified applicators,of any following manufacturer only. M/s Sika India Pvt Ltd, M/s Fosroc chemicals, M/s Thermax Limited, M/s Choksey Chemicals Pvt, M/s BOSTIK India Pvt limited. |
| 22 | The contractor must submit MOU with manufacturer/authorized applicator at the time of sample approval. |
| 23 | The contractor shall submit performance guarantee certificate for structural repair/leakage/seepage for a period of 10 years from the certified date of completion. |
| 24 | The unit quoted rate shall be inclusive of material, all labours, tools and plants including scaffolding required for working upto 25 mtr height from natural ground level. |
| 25 | The defect liability period for the structural repair work shall be 05 (five) years from the certified date of completion of work. |
| 26 | A security deposit of value equal to 2.5% of the rate quoted against each item shall be retained from Final bill payment due to the contractor for the defect liability period. |
| 27 | The unit quoted rate is deemed to include taking down of water pipe, tanks, wires etc found on roof or other working areas and re-fix same at the original position after completion of work. |
| 28 | Adoption of necessary safety arrangement like safety belts, ropes, helmet, netting etc are required for safety of working labour at height exceeding 3 to 25 mtr shall be mandatory & deemed to be included in the unit quoted rate |
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