REPAIR MAINT OF LEAKAGE AND SEEPAGE OF CENTRAL PUMP HOUSE 30 LAKHS LTRS SUMP AT OLD NAVY NAGAR UNDER AGE BRI OF GE NW NAVY NAGAR COLABA MUMBAI

Amount

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 :Carlisle Syntec Middle Cast, SNI Infra Tech Pvt Ltd,Thermax Ltd, Kryton Build Mat Co Pvt Ltd.

Providing and applying two coats of single part elastomeric acrylic water based coating for surface based on high quality acrylic emulsion, functional filler, sunlight stable pigment and quality fungicides. The coating should have excellent flexibility to cover hairline cracks (upto 0.5 mm), UV resistant, microbial resistance, low dirt pickup with elongation at break of 220%, tensile strength of 0.7 MPa, Hardness Shore A scale of 80 and adhesion strength of 3.4 MPa, complete all specified and directed by Engineer-in-charge. Make : Carlisle Syntec Middle Cast, SNI Infra Tech Pvt Ltd,Thermax Ltd, Kryton Build Mat Co Pvt Ltd.

M&L for providing and applying single component cement based free flowing grout with 10 mm washed aggregates; The grout shall be having non shrink property and a positive expansion of up to min 1 % in the plastic state and a flowability of 3 M at head of 250 mm for a gap width of 50 mm, developing a compressive strength of 25 MPa in 1 day & 60 MPa in 28 days, shall not bleed or segregate,having a minimum pot life of 20 minutes after which the expansion shall start, shall be also developing a flexural strength of Minimum 10 MPa & bond strength of 10 MPa, It shall have resistance to dynamic loads and specimens shall not get damaged /cracked on being subjected to alternate loads of 5 MPa to 25 MPa @ 500 Cycles per minute for minimum 2 Mio cycles, It shall be chloride free and creep resistant; with epoxy bonding agent of Thermax Ltd /SNI Infra/cipy polyurethane having mix density of 1.45 to 1.5 kg/ltr,compressive strength(BS-6319 PT 3)-40 MPa at 7 days bond strength (ASTM- C 881)-11 MPa at 7 days having an overlay time of 3 hrs at 30°C pouring cementitious grout into the formwork using suitable arrangement or if required using pumping device for and the bottom shuttering after 7 days ensuring proper bond between the cementitious grout and existing concrete substrate etc including all tools and tackles as per accepting officer,complete all specified and directed by eng-in charge. Make : Carlisle Syntec Middle Cast, SNI Infra Tech Pvt Ltd,Thermax Ltd, Kryton Build Mat Co Pvt Ltd.

M&L for applying two coats of water based copolymer emulsion, formulated to achieve specific performance characteristics. It should have Excellent adhesion to concrete & cementious surfaces, Excellent water retention after film formation, Excellent penetration into the substrate there by providing the best adhesion. Substrate should have sufficient strength to receive the top coating. Any defects in the substrate like surface undulations, cracks, pin holes etc., should be rectified/filled before starting application.It should have specific gravity between 1.00± 0.02, Touch Dry @ 30 C -1 -2 hours. complete all specified and directed by Engineer-in-charge. Make : Carlisle Syntec Middle Cast, SNI Infra Tech Pvt Ltd,Thermax Ltd, Kryton Build Mat Co Pvt Ltd.

M&L for Sprinkling sand particles of saturant making mechanical key, over which applying Single component, fiber reinforced cementitious repair mortar which is reinforced with specially designed bean shaped, alkali resistant synthetic fibers for exceptional resistance to cracking for a thickness of 10 mm. water ratio of which shall be 0.16, 28 days compressive strength shall be 30 MPa,mixed density shall be 2.18 kg/ltr, flexural strength shall be 6 MPa for 7 days and tensile strength for 7 days shall be more than 2MPa.Its adhesion bond strength shall be greater than 2 MPa with creep strain reduction of 8%. The modulus of elasticity of this product shall be 23-26 KN/mm², complete all specified and directed by Engineer-in-charge. Make: Carlisle Syntec Middle Cast, SNI Infra Tech Pvt Ltd,Thermax Ltd, Kryton Build Mat Co Pvt Ltd.

M&L for providing and applying acrylic polymer based cementitious composite water proof coating system. It shall be non- flammable, non - combustible. It shall give tough and hard waterproofing surface. It shall allow entrapped vapour to escape preventing peeling and blistering. It shall have excellent bond to building materials. It shall be highly durable in continuous wet condition. Coating to be applied after proper surface preparation to remove loose dust, cleaning, mixing using slow speed electric drill and application of 2 coats of 2 component, and applying curing of the surface using low viscosity emulsion which incorporate a special alkali reactive emulsion breaking system on the protection screed. It shoud be non-penetrating continuous filmcomplies with the internationally recognized ASTM C309-90 standards. Product should have daylight Reflectance of 70% as per ASTM E-1347, including all tools and tackels complete all as specified and directed by Engineer-in-Charge Make : Carlisle Syntec Middle Cast, SNI Infra Tech Pvt Ltd,Thermax Ltd, Kryton Build Mat Co Pvt Ltd.

M&L for applying epoxy resin coating on the Surface.The coating should be applied on the cured surface after removing loose dust,dirt etc, cleaning,mixing using slow speed electric drill.The coating should be applied in two coats @ thickness of 100 microns. It should be applied with a suitable stiff nylon type brush, complete all as specified and directed by Engineer-in-Charge. Make - Carlisle Syntec Middle Cast, SNI Infra Tech Pvt Ltd,Thermax Ltd, Kryton Build Mat Co Pvt Ltd.

M&L for providing and fixing welded MS wire mesh weighing not less than 1 kg/sqmt on the prepared surface which should be cleaned and should be removed from dirt, fungus and all foreign material and applying amine cured epoxy coating cum primer A 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 : Carlisle Syntec Middle Cast, SNI Infra Tech Pvt Ltd,Thermax Ltd, Kryton Build Mat Co Pvt Ltd.

M&L for 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 : Carlisle Syntec Middle Cast, SNI Infra Tech Pvt Ltd,Thermax Ltd, Kryton Build Mat Co 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 shall have a coverage of 8-10m² /litre /coat complete all as specified and directed by Engineer-in-charge. Make : Carlisle Syntec Middle Cast, SNI Infra Tech Pvt Ltd,Thermax Ltd, Kryton Build Mat Co Pvt Ltd.

M&L for Scrapping, hammering, chiseling, scrubbing to surfaces of tank/sump at any height using electric/mechanical means, hand brush, blower, etc as recommended by the manufacturer and disposal of all unserviceable complete up to a distance n' etc. 50 m complete all as specified and directed.

M&L for applying non redispesable nonionic self crosslinking emulsion having ternary copolymerization of acylate esters rendering upto 20 mm in cement mortar using guniting machine/shotgun pressure not less than 5 kg sqm mixed with fluid admixture, liberated from chlorides @.04 % of cement weight 100/L 1.1-1.2 gm/cc, chloribe content: Nil as per IS 2645-2003 ,having specific gravity of 1.02, complete all as specified and directed by Engineer-in-Charge. Make : Carlisle Syntec Middle Cast, SNI Infra Tech Pvt Ltd,Thermax Ltd, Kryton Build Mat Co Pvt Ltd.

M&L for repair to cracks and damaged existing surfaces of Sump etc by 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 GI 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 GI nozzles with fast setting mortar and covering with renderoc plug. The size of holes shall be 20mm dia and 75mm in depth. complete all as specified and directed by Engineer-in-Charge. Make : Carlisle Syntec Middle Cast, SNI Infra Tech Pvt Ltd,Thermax Ltd, Kryton Build Mat Co Pvt Ltd.

M&L for applying a two component non shrinking solvent free epoxy filler. It is high strength, providing the abrasion resistance and compressive strength higher than concrete. To be used as filler only. Suitable for properly prepared concrete surfaces, complete all as specified and directed by Engineer-in-Charge. Make : Carlisle Syntec Middle Cast, SNI Infra Tech Pvt Ltd,Thermax Ltd, Kryton Build Mat Co Pvt Ltd.

M&L for drilling hole chemical anchoring of reinforcement on existing columns/chajja/beams with Hilti HIT-HY 70 minimum hole depth 100mm, steel bar 12mm dia and drill bit dia 14mm, complete all as specified and directed by Engineer-in-Charge. Note : This item shall be undertaken by the authorised rep of Hilti india Pvt Ltd/Carlisle Syntec Middle Cast/ SNI Infra Tech Pvt Ltd/Thermax Ltd/Kryton Build Mat Co Pvt Ltd.

M&L for MS TMT bars 6 to 8mm 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 0.9mm dia complete all as specified and directed by the Engineer-in-Charge

Steel 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

Note: (a) The work for item Ser No 1.00 to 17.00 to shall be executed directly by company or their authorized applicator. Application 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.

LOKESH AND CO.

Diamond Construction

M/s Raghav Traders

M/s R.D. Company

M/S DURGA ASSOCIATES

S Balwinder Singh

M/S MUKESH AGARWAL

M/s Manish Contractor

M/s Ratan Lal Jain and Co.