Extensive repair and renovation of Jawan Barrack no. 01, 02 and 03 of 204 CoBRA

M&L for providing filling epoxy putty into crack after opening up cracks in V-groove manner approximate 5 x 5mm size using mechanical cutter,properly cleaning the same to remove loose dust dirt etc and filling the same using three component,solvent free,Thyxotropic,Epoxy resin based putty having 100% solid contents,density of 1.64-1.68 gm/cc,comprehensive strength @7days- 50N/mm², pot life 40 minutes at 25°C,drying time 8 hrs at 25°C. Recoatable time 24 hrs after finishing in line and level with existing concrete surface etc. complete all as specified and directed by the Engineer-in-Charge Make : Thermax Ltd, Tiki tar Danosa(Pvt)Ltd,M/s Torchtar menbranes & bitumen products Pvt. Ltd., Dr. Fixit (Pidilite Industries), Asian Paints SmartCare, Sika India, UltraTech Cement, Berger Paints (HomeShield/WeatherCoat).

M&L for removing of existing loose material and complete surface preparation by scarifying the surface. Filling of voids and undaltions with ingle component thixotropic fibre reinforced polymer modified mortar to achieve compressive strengths of 15 Mpa in 1 day, 25MPa in 3 days and 45 MPA in 28 days, adhesion bond strength of>2MPa, giving creep strain reduction of 10%, modulus of elasticity of 25-28 MPa, shall have water-powder ratio of 0.16,finished to obtain surface even and smooth, complete all as specified and directed by Engr-in- charge.Make : Thermax Ltd, Tiki tar Danosa(Pvt)Ltd,M/s Torchtar menbranes & bitumen products Pvt. Ltd., Asian Paints SmartCare, Sika India, UltraTech Cement, Berger Paints (HomeShield/WeatherCoat).

M&L for applying 3 coats of coating- non-toxic waterproofing system should have multiple corrosion inhibiting synergies carefully graded aggregrates in combination with selected polymers, which should have good uv resistant capability, highly flexible, having crack bridging capabilities upto 1 mm etc.Before applying ,surface should be free from dirt soil, oil release agents latiance and any foreign material which may unpair the bond, penetration.It cures forming a coating, with limited thickness, which resists the penetration of water . The coating to be applied on concrete surfaces shall be acrylic polymer based cementitious composite water proof coating system.properties- High perforMance elastomeric cementations Non-toxic waterproofing coating complies to ASTM D4541 ASTM C836, DIN 1.048p 5 ASTC D412 having shore hardness D Scale = 20 Non Volatile, Low Temperature Feasibility Test, Tensile strength > 0.4 Mpa, Elongation > 20% . It shall be non- flammable, non - combustible. It shall give tough and hard waterproofing surface. I shall allow entrapped vapour to escape preventing peeling and blistering. I shall have excellent bond to building materials. I shall be highly durable in continuous wet condition. The solid content shall be 30 ± 1 % and the specific gravity shall be ranging between 1.05 ± 0.05 gm/cc.System should be application of 3 coats of coating using brush, roller or by trowel .Coating to be applied after proper surface preparation to remove loose dust, cleaning, mixing using slow speed electric drill and application of 3 coats complete all specified and directed by Engineer-in-charge. Make : Thermax Ltd, Tiki tar Danosa(Pvt)Ltd,M/s Torchtar menbranes & bitumen products Pvt. Ltd., Asian Paints SmartCare, Sika India, UltraTech Cement, Berger Paints (HomeShield/WeatherCoat).

M&L for providing 10 mm thick one component chloride free thixotropic fibre reinforced polymer modified repair mortar with alkali resistant synthetic fibres for exceptional resistance cracking complies ASTMC 109 with flexural 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 to make the surface even and smooth. It should be specially adhered to BS 6319 having specific gravity of 1.025 to 1.04, minimum 43% solid contents complete all as specified and as directed.Make : Thermax Ltd, Tiki tar Danosa(Pvt)Ltd,M/s Torchtar menbranes & bitumen products Pvt. Ltd., Asian Paints SmartCare, Sika India, UltraTech Cement, Berger Paints (HomeShield/WeatherCoat).

M&L for applying 20mm shear thinning fibre reinforced polymer modified , impermeable to aggressive elements, dual shrinkage compensated, cementitious repair mortar with alkali resistant synthetic fibres for exceptional resistance cracking complies ASTM C 109 with flexural strength ASTM C 348 @ 7 days meeting 7N/sqmm, tensile strength @ 7days (ASTM C 307)> 3 N/sqmm, compressive strength of 35MPa at 7 day and 45MPa at 28 days, at the outer or inner RCC, which provides excellent bond to concrete, Improves tensile and flexural properties of mortar, Versatile having specific gravity of 1.02 Cement and sand can be used to make the surface even and smooth . complete all as specified and directed by Engr-in-charge.Make : Thermax Ltd, Tiki tar Danosa(Pvt)Ltd,M/s Torchtar menbranes & bitumen products Pvt. Ltd., Asian Paints SmartCare, Sika India, UltraTech Cement, Berger Paints (HomeShield/WeatherCoat).

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. complete all as specified and directed by Engr-in-charge. Make : Thermax Ltd, Tiki tar Danosa(Pvt)Ltd,M/s Torchtar menbranes & bitumen products Pvt. Ltd., Asian Paints SmartCare, Sika India, UltraTech Cement, Berger Paints (HomeShield/WeatherCoat).

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 material having minimum tensile strength on 4 N/mm2 and minimum elongation of 800%. Complete all as specified and directed by Engineer-in-charge. Make : Thermax Ltd, Tiki tar Danosa(Pvt)Ltd,M/s Torchtar menbranes & bitumen products Pvt. Ltd., Asian Paints SmartCare, Sika India, UltraTech Cement, Berger Paints (HomeShield/WeatherCoat).

M&L for applying 2 coats of amine cured epoxy coating cum primer of film thickness of approx. 1 to 2mm should be built up in two coats, should achieve Adhesion bond strength 1 N/mm2, pot life of 30 minutes@30 C. Before applying primer Concrete / steel surface should be cleaned by any suitable method (like sand blasting, water jetting etc.) to remove old coatings, grease, oil, curing compounds, loose particles, weld spatter, flux, rust etc, complete all specified and directed by Engineer-in-charge. Make : Thermax Ltd, Tiki tar Danosa(Pvt)Ltd,M/s Torchtar menbranes & bitumen products Pvt. Ltd., Asian Paints SmartCare, Sika India, UltraTech Cement, Berger Paints (HomeShield/WeatherCoat).

M&L for Perforation in RC using twist & rotating mechanical cutting tool for Fastening to concrete for chemical anchoring having a Rapid strength gain, Vibration resistant, Corrosion resistant of reinforcement on existing RC Component with Hilti HIT-HY70 BS 5080 or equivalent as approved by GE, typically attains a compressive strength in excess of 20N/sqmm @ 3 hours and an ultimate compressive strength of 70N/sqmm in 7 days as per BS 6319 Part 2 : 1983, maximum hole depth 75mm, steel bar 12mm dia and drill bit size14mm with polyster resin based anchoring material for H/V/Large annular applications or post installed bars or in accordance with bar thickness complete all as specified and directed by Engr-in-charge. Make : Thermax Ltd, Tiki tar Danosa(Pvt)Ltd,M/s Torchtar menbranes & bitumen products Pvt. Ltd., Asian Paints SmartCare, Sika India, UltraTech Cement, Berger Paints (HomeShield/WeatherCoat).

M&L for dismantling/taking down old existing unserviceable cement plaster loose/unsound weaken cement concrete of any description and in any position from existing external/internal surfaces of RCC/slab/beam/columns RCC facies etc. average depth 15mm (approx. height upto 15 mtr from natural ground level) with power driven of penumetic chisel and removal upto the approval municipal dumping ground outsides MOD land including cutting of all edges, making square shoulders of the cavities roughening the smooth surfaces, scrapping out/removing corrosion all loose/scale/rust etc from the visible reinforcement by applying rust remover and cleaning the steel reinforcement properly and then applying single component cementations on visible reinforcement surfaces to form a continuous film not less than 1mm thick and preparing the surface to receive concert of epoxy grout mortar act including providing necessary proportions, bracing and runners to relieve the members form the load comming on it including scaffolding with working plat form as required and as per design and pattern including preparing the surface to match with the existing surface, complete all as specified and directed by Engr-in-charge..Make : Thermax Ltd, Tiki tar Danosa(Pvt)Ltd,M/s Torchtar menbranes & bitumen products Pvt. Ltd., Asian Paints SmartCare, Sika India, UltraTech Cement, Berger Paints (HomeShield/WeatherCoat).