REPAIRS TO WATERPROOFING TREATMENT TO ROOFS AND WALL SEAPAGE IN CERTAIN BUILDINGS UNDER GE (N) AHMEDNAGAR

Amount

Notes: (a) The work for item Sr No. 2 to 22 to shall be executed directly by company or their authorized applicator. Applicator shall be authorized in writing by company and guarantee/responsibility of work executed shall be owned by company in writing. (b) Quoted rate shall be inclusive of material all labors tools and plants scaffolding and working upto 15 mtr height. (c) Adoption of necessary safety arrangement like safety belts. ropes. helmets, netting etc. which are required for safety of working at height etc. which are required for safety of working at height exceeding 3 to 25 mtr height shall be mandatary and deemed to be inclusive on quoted rates.

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 /any type of tiles/ 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 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.

M&L for providing and spraying polyamine cured epoxy coating incorporating a special alkali reactive emulsion breaking system compound over 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. 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.

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

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 mixed with hydrolysis resistant primer cement modifier,not less than 8% of weight or 2.4 ltrs per 30 kg bag of shear thinning fibre reinforced polymer modified mortar. which provides excellent bond to concrete, Improves tensile and flexural properties of mortar, Versatile having specific gravity of 1.02 cement sand can be used for finishing purpose . 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.

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 x50mm)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.

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 emulsion Sealer Coat chemical having 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 brush or roller, overcoating time @ 30°C shall be 8 hours 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.

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 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.

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.

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.

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. Make : Thermax Ltd, Tiki tar Danosa(Pvt)Ltd,M/s Torchtar menbranes & bitumen products Pvt. Ltd.

M&L for applying one coat of mixture of two monomer unsaturated liquid hydrocarbon , gaseous hydrocarbon and polymesrized them to get the high polymer dispersion emulsion successfully bonded to mortar, to improve adhesion to concrete, better durability, reduced shrinkage and increased flexibility and resistant to emulsification in damp condition modified Ensuring no porosity in new/old surface, temperatures between +5°C and +35°C, Resist to penetration of CO2 4.600 micron , compressive strength (11.5 N/mm2) at 3days strength - 11.5 (N/sqmm ) and at 28 days - 25.30N/sqmm 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.

M&L for applying 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.

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 mixed with styrene butydiene polymerized cement mortar modifier not less than 8% or 2.4 ltr by weight of thixotropic fibre reinforced polymer modified repair mortar .cement and sand can be used for finishing purpose. 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.

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 cemtitious surface the surface should be propoerly cured prior to application.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.

M&L for providing and laying 2 coats of acrylic elastomeric waterproofing coating. The coating to be applied on wall/roof shall be liquid applied highly durable waterproof coating system for wall, 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 as specified and directed by Engr-in-charge. Make : Thermax Ltd, Tiki tar Danosa(Pvt)Ltd,M/s Torchtar menbranes & bitumen products Pvt. Ltd.

M&L for cleaning and removing all corrosion scales , rust , etc using emery / wire brush and finally cleaning using rust remover & cleaning agent that is one part alkaline based material, with corrosion inhibitors and dispersing agents and supplied as a clear brown solution. The specific gravity shall be 1.2 – 1.22 @ 25°C. The pH value shall be between 9.5 to 10. The coverage shall be 5 – 6 m2/ L, 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.

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.

M&L for 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 and be removed from dirt, fungus and all foreign material complete all as specified and directed by Engineer in Charge.

M&L for TMT bars 10 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.

M&L for applying 2 coats of two component amine cured epoxy mastic coating using Light brush blasting using nonmetallic abrasive leaving a clean, rough and even pattern.it should be based on a 100% epoxy formulation and contains no solvents or water diluents. Apply two coats with brush or squeeze to the existing surface, working well into the substrate.it should achieve Compressive Strength of >70 MPa after 14days, having pot life Pot life, minutes at 27⁰C, 100 g >40 mass, 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.

Refixing the steel tubing 20mm bore obtained from item No 24 below after cleaning in new or old position (wall, ceiling, floor etc.) complete all as specified and as directed .

Refixing the steel tubing 20 mm bore obtained from item No 25 below after cleaning in new or old position (wall, ceiling, floor etc.) complete all as specified and as directed.

Taking up or down steel tubing 15mm dia and connections, including cleaning for re- fixing

Taking up or down steel tubing 20mm dia and connections, including cleaning for re- fixing

S&F 20 mm outer dia 3-layer PP-R P o l y p r o p y l e n e random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded p o l y p r o p y l e n e random fittings fixed complete to walls, ceilings or in floors etc.

S&F 25 mm outer dia 3-layer PP-R P o l y p r o p y l e n e random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded p o l y p r o p y l e n e random fittings fixed complete to walls, ceilings or in floors etc.

Disconnecting existing tanks,exc 500 n.exc 1000 Ltrs capacity setting aside for repairs, cleaning etc. and hoisting if required reconnectiong and re-fixing in position.

Dismantling existing PVC water tanks of capacity exc 500 litres & n.exc 1000 litres all as directed and removed from site. NOTE:-Dismantled water tank shall become the contractors property as per Sch of credit.

S&F 1000 litres rotational moulded polyethylene water storage tank (Cylindrical vertical with closed top) hoisted and fixed in position all as specified and directed .

S and F Ball brass valve 20 mm dia high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule

ARUN LAXMAN JAGTAP (BID ID -3154307)

M/s Raghav Traders (BID ID -3155287)

Peerzada And Sons (BID ID -3155273)

NIHAL ENTERPRISES (BID ID -3152189)

M/S J J ENTERPRISES (BID ID -3154869)

M/S LAKSHYA CONSTRUCTIONS (BID ID -3154608)