STRUCTURAL REPAIR TO R9 AND DW7 UG SUMP UNDER AGE BRII OF GE NW NAVY NAGAR COLABA MUMBAI

Amount

M&L for applying two coats of shielding layer using waterproofing Industrial with multiple corrosion inhibiting synergies producing High performance elastomeric Non-toxic cementitious coating. Coating to be applied after proper curing of screed, mixing using slow speed electric drill and application of 2 coats.Before applying layer on old surface, it should be free from grease, oil, dirt etc, it should be cleaned thoroughly complete as per specification and as directed by GE. Make : Carlisle Syntec/Thermax Ltd/Kryton Build Mat Pvt Ltd/SNI Infratech Pvt. Ltd.

Dewatering of existing water tank cleaning the inside surfaces of the tank by scraping down walls & bottom surface using steel wire brushes to remove all algae/fungus,other micro-organisms etc. Using light hammer & wire brushes, taking out and removing sediment loose dirt/mud sludge,vegetation and other foreign materials completely from the internal surface of tank & disposal of all the waste/spoil to a distance not exceeding 50 mtr. And washing repeatedly the inside surfaces of tank with water and washing with clean water thoroughly and preparation of the surface to provide new plaster complete all specified as directed by Engineer-in-charge.

M&L for applying two coats of thixotropic epoxy protective coating with high chemical resistance on the water retaining portion .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 @ thickness of 100 microns. It should be applied with a suitable stiff nylon type brush. Make -Carlisle Syntec/Thermax Ltd/Kryton Build Mat Pvt Ltd/SNI Infratech Pvt. Ltd.

M&L for applying two component solvent free resin based agent having mixed density of 1.45-1.5kg/ltr, rendering full hardness in 24 hrs,compressive strength in 7 days shall be >40 MPa, tensile strength @7days > 15 MPa,flexural strength shall be >25 Mpa, and shall give bond strength >11 MPa as per recommendation of manufacture. Make : Carlisle Syntec/Thermax Ltd/Kryton Build Mat Pvt Ltd/SNI Infratech Pvt. Ltd.

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 wall, roof, etc

M&L for applying primer slurry prior to the application of the repair mortar having multiple corrosion inhibiting synergies and which is a blend of pc graded fillers corrosion inhibiting additive and re-dispersible polymers in powder form mixed with water for application by brush to coat the reinforcement within 10mm of the finish surface and where chlorides are present so as to achieve adhesion bond strength of 1 MPa to steel. Pot life of 0.5 hr @ 30°C. It shall be workable for not more than 15 minutes at same temperature. The mixed density shall be not more than 2.05. The water/powder ratio shall be 0.3 by weight. Consumption of slurry coat 10 - 12 running meters of 12mm diameter re-bar per kg @ 1.0mm average thickness preparing the surface to receive polymer modified mortar including providing necessary supports, bracing and runners to relieve the members from the load coming on it including scaffolding with working platform as required and as per design and pattern including preparing the surface to match with the existing surface,complete all specified as directed by engineer-in-charge. Make : Carlisle Syntec/Thermax Ltd/Kryton Build Mat Pvt Ltd/SNI Infratech Pvt. Ltd.

M&L for providing and applying Water based co-polymer emulsion for concrete surfaces ,having high performance with specific gravity up to 1.02 formulated to be applied at maximum temperature of 30°C, to achieve specific performance characteristics that shall dry to a transparent finish and supplied as a single component white liquid to exposed concrete or masonry surface after proper surface preparation,cleaning of dust,dirt etc. The system shall form a film and shall have excellent water retention after film formation. It shall have coverage @8-10 sqm/lit/coat on prepared surface. Make : Carlisle Syntec/Thermax Ltd/Kryton Build Mat Pvt Ltd/SNI Infratech Pvt. Ltd.

M&L for providing and applying a blend of Portland cement, graded fillers and chemical additives which impart controlled expansion, should be ready to use and can fill convoluted voids, componsates shrikage at both plastic and Hardened states. Minimum thickness to be used is 50mm with addition of 10mm down aggregates of 25% of the weight of ready to use powder with W/P ratio of 0.18. Strength of 1 day to be 20N/mm2. Time of expansion to start after 20min of mixing and finish in 120 min of mixing. Epoxy bonding agent having mix density of 1.45 to 1.5 kg/ltr, compressive strength (BS-6319 PT 3)-25 Mpa at 7 days bond strength (ASTM C 881)-11 N/mm2 at 7 days, having an over lay time of 3 hrs at 30°C pouring of ready mixture 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 poured mixture and existing concrete substrate etc including all tools and tackles as per accepting officer, complete all as specified and directed by Engr-in-Charge. Make :Carlisle Syntec/Thermax Ltd/Kryton Build Mat Pvt Ltd/SNI Infratech Pvt. Ltd.

M&L for MS TMT bars 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

M&L for filling three component agent exhibiting greenish yellow finish on curing solvent free thyxotropic having 100% solid content epoxy resin base density up to 1.68 gm/cc having seven day compresive strength of 50MPa, pot life 40 minutes at 25°C,drying time 8 hrs at 25°C and applicable with minimum temperature of 10°C. Recoatable time 24 hrs after finishing in line and level with existing concrete surface etc and reinstatement of the imperfections and blow holes / pits with one component thixotropic fibre reinforced PMM applied vertically or overhead by low pressure wet-spraying or hand trowelling. Make : Carlisle Syntec/Thermax Ltd/Kryton Build Mat Pvt Ltd/SNI Infratech Pvt. Ltd.

M&L for applying protection screed of 10 mm thick over entire treated surface with mortar (1:4) admixed with modified polymer based white emulsion with specific gravity 1.02gm/cc,slant shear bond of 8MPa @ 10% by weight of cement. Make: Carlisle Syntec/Thermax Ltd/Kryton Build Mat Pvt Ltd/SNI Infratech Pvt. Ltd.

M&L for applying water based parrafin wax emulsion compound. The solution should be sprayed on the surface to promote cement hydration (comply with ASTM C309-90), thus reducing shrinkage and increasing durability.Its relative density should be 0.99 ~ 1.02 kg/l at 25ºC. Make :Carlisle Syntec/Thermax Ltd/Kryton Build Mat Pvt Ltd/SNI Infratech Pvt. Ltd.

M&L for applying 20mm - 25 mm screed with one component fibre reinforced PMM with water producing thixotropic consistency using heavy-duty slow speed drill with spiral mixing paddle or a Pan type mixer attached to spray units with nozzle at site applied by trowel or spray where ambient temperature if 30°C or more use of chilled water for conditioning the bagged product in an air-conditioned store prior to use. Mixing temperature shall be between 5 and 40°C. Mixed material shall achieve compressive strength of 15 MPa in 1 day & 45 MPa in 28 days and a flexural strength of 7 MPa @ 7 days. It shall compensate both plastic and hardened shrinkage and have minimum direct adhesive bond strength of greater than 2 MPa. It shall be alkaline, compatible with host concrete with similar thermal properties and shall achieve a elastic modulus of minimum 25 kN/Sqmm.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. Make : Carlisle Syntec/Thermax Ltd/Kryton Build Mat Pvt Ltd/SNI Infratech Pvt. Ltd.

M&L for providing and applying elastomeric protective coating for concrete. It should have resistance to agressive elements like carbon-di-oxide, uv light and rain. The coating should be applied in two coats @ 300 micron adhesion strength >1.0 N/mm2, Tensile strength >3N/mm2 .Coating to be applied after proper surface preparation,cleaning of dust,dirt etc. The system shall be UV resistant- aliphatic acrylate gives resistance to long term weathering. It shall have the properties that resists efflorescence and lime blooming with good adhesion on all cement plasters. It shall be able to hide surface undulations and fine surface cracks. Make : Carlisle Syntec/Thermax Ltd/Kryton Build Mat Pvt Ltd/SNI Infratech Pvt. Ltd.

M&L for repairing of shrinkage of structure by drilling hole in structures using up to a depth of 15 mm and 18 mm dia, removing dust,etc by vacuum cleaner and blowers,providing and fixing of heavy grade GI pipe nipple 15 mm dia,100 mm long @ 1 mtr c/c in both direction and injection of High strength polymer based injection grout with flexural strength of minimum 45 MPa,Tensile strength of 26 MPa in 7 days and compressive strength of minimum 50 MPa in 1 day up tp 80 MPa in 7 days giving minimum pot life of 1hr@20°C and closing ends nipple epoxy putty/silica jelly after injecting the chemicals mixed with cement slurry. Make : Carlisle Syntec/Thermax Ltd/Kryton Build Mat Pvt Ltd/SNI Infratech 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 providing and applying of alkaline based Anti oxidizing compound for steel structure confirming to ASTM D 1748-10(2015) after cleaning to loose scale or oxidized chips from bars. Having specific gravity 1.2 -1.22, the material to be applied to the rusted metal using brush, allow it to react for 16 to 24 hrs and afterwards wire brushing the surface. Clean with dry cloth before application of protective coating etc. Make : Carlisle Syntec/Thermax Ltd/Kryton Build Mat Pvt Ltd/SNI Infratech Pvt. Ltd.

M&L for repairing of shrinkage of structure by drilling hole in structures using up to a depth of 15 mm and 18 mm dia, removing dust,etc by vacuum cleaner and blowers,providing and fixing of heavy grade GI pipe nipple 15 mm dia,100 mm long @ 1 mtr c/c in both direction and injection of High strength polymer based injection grout with flexural strength of minimum 45 MPa,Tensile strength of 26 MPa in 7 days and compressive strength of minimum 50 MPa in 1 day up to 80 MPa in 7 days giving minimum pot life of 1hr@20°C and closing ends nipple epoxy putty/silica jelly after injecting the chemicals mixed with cement slurry. Make : Carlisle Syntec/Thermax Ltd/Kryton Build Mat Pvt Ltd/SNI Infratech Pvt. Ltd.

M&L for cutting of tree n.exc 20 cm girth including cutting of trunk and branches disposal of unserviceable material to a distance n exc. 50m and clearing site complete all as specified & directed.

Note: (a) The work for item Sr No. 1.00 to 19.00 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.

Demoliton of cement concrete in ground floors and pavings n exc 15 cm thickness (below or above ground level) all as specified and as directed by Engineer-in-Charge

Dismantling Stone slabs and tiles of any description or thickness in floors, aprons etc.laid bedded and pointed in any mortar

M&L 75mm thick PCC 1:3:6 type C-2 (using 40mm graded stone aggregate) as in subbase to floors all as specified and directed.

M&L for sand cushioning under interlocking paver blocks watering and compact complete all as specified & directed .

Factory Made machine pressed precast concrete interlocking paver block with grey cement and pigment any shape and size confirming to IS 15658-2006 of 60 mm thickness M-35 grade complete all as specified and directed

M/s R.D. Company

m/s vikash Engineers

M/s Raghav Traders

M/S MUKESH AGARWAL

S Balwinder Singh

M.S. ENGINEERS