Karnataka Neeravari Nigam Limited Tender

c) RW-Lift Above 6.00 M

Earth work excavation for Foundation by mechanical means for all works & depth upto 3 m, as per drawing and technical specifications, including setting out, shoring, strutting, barricading, caution lights, including dressing of excavated surfaces, disposing off or levelling the excavated earth or sorting & stacking the selected earth for reuse in a radius of 50 m including cost of labour, tools, usage of machinery & other appurtenaces required to complete the work In ordinary/soft rock without blasting upto 1.5 m depth Base Excavation Upto 0.60 m depth (Soft /Ordinary Rock) with all lead and lift as directed by the Engineer in charge of the work

Earth work excavation for FOUNDATION by Mechanical means depth upto 1.50m, as per drawing and technical specifications, including setting out, shoring, strutting, barricading, caution lights, including cost of explosives, dressing of excavated surfaces, disposing off or levelling the excavated stuff or sorting & stacking the selected stuff for reuse in a radius of 50 m including cost of labour, blasting materials, tools, usage of Machinery & all other appurtenaces required to complete the work in Hard Rock ( requiring blasting) Depth upto 1.50m with all lead and lift as directed by the Engineer in charge of the work

Providing and fixing 25mm diameter steel anchor dowel in hard rock including drilling hole of 32 mm diameter up to 0.75 mtrs depth, placing the dowel in position and effectively grouting thehole with CM 1:1 proportion etc. complete. with all lead and lift as directed by the Engineer in charge of the work

Filling Available Excavated Earth (Excluding rock) in sides of foundations upto plinth in layers not exceeding 20cms. in depth , compacting each deposited layer by ramming after watering with all lead and lift as directed by the Engineer in charge of the work

Construction of Embankment by excavating the available approved Gravel/Murrum deposited at a place or borrow pits during or prior excavation with all lifts and lead, transportation to site, spreading,grading to required slope and compacting to meet the requirement complete as per specifications, including cost of labour,rolling,water,all materials,usage& all other appurtenaces required to complete the with all lead and lift as directed by the Engineer in charge of the work

Providing and laying in position plain cement concrete for levelling course for all works in foundation. The granite/trap/basalt crushed graded coarse aggregates and fine aggregates as per relevant IS Codes machine mixed, laid in layers not exceeding 150 mm thickness, well compacted using plate vibrators, including all lead & lifts, cost of all materials of quality, labour, Usage charges of machineries, curing, and all the other appurtenances required to complete the work as per technical specifications. (The cost of steel reinforcement & formwork shall be paid separately)Mix 1:3:6 (M10) Using 40 mm nominal size graded crushed coarse aggregates with all lead and lift as directed by the Engineer in charge of the work

Providing and laying in position Reinforced cement concrete for all Super structures of building , Road works, Water works, Irrigation works & super structure works of bridges upto 3.50 m height. The granite/ trap/basalt crushed graded coarse aggregates and fine aggregates as per relevant IS Codes machine mixed with super plasticisers laid in layers, well compacted using needle vibrators. The cost includes all lead & lifts, cost of all materials, quality confirming to the requirements of relevant IS codes , labour, Usage charges of machinery, curing and all other appurtenances required to complete the work as per technical specifications. (The cost of steel reinforcement, dowel bars & formwork to be paid separately) M20 Design Mix Using 20 mm nominal size graded crushed coarse aggregates with all lead and lift as directed by the Engineer in charge of the work a) Lift upto 3.50m

b) Lift 3.50m to 5.00m

c)Lift 5.00m to 9.00 m

Supplying fitting & placing TMT bar reinforcement to super structure complete as per Specifications all lead and lift as directed by the Engineer in charge of the work

Providing and laying of Filter media with granular materials/stone crushed aggregates satisfying the requirements laid down in clause 2504.2.2. of MoRTH specifications to a thickness of not less than 600 mm with smaller size towards the soil and bigger size towards the wall and provided over the entire surface behind abutment, wing wall and return wall to the full height compacted to a firm condition complete as per drawing and Technical Specification. wit hall leads and lift as directed by the Engineering incharge of the work

Providing weep holes in Brick masonry/Plain/ Reinforced concrete abutment, wing wall/ return wall with PVC Pipe 110mm outer dia at 2 kg per m2, extending through the fullwidth of the structure with slope of 1V :20H towards drawingfoce. Complete as per drawing and Technical Specifications with all lead and lift as directed by the Engineer in charge of the work

Providing and fixing in position 20 mm thick premoulded joint filler in expansion joint for fixed ends of simply supported spans not exceeding 10 m to cater for a horizontal movement upto 20 mm, covered with sealant complete as per drawing and technical specifications with all lead and lift as directed by the Engineer in charge of the work

Providing and laying in position plain cement concrete for levelling course for all works in foundation. Mix 1:3:6 (M10) Using 40 mm nominal size graded crushed coarse aggregates The granite/trap/basalt crushed graded coarse aggregates and fine aggregates as per relevant ISCodes machine mixed, laid in layers not exceeding 150 mm thickness, well compacted using plate vibrators, including all lead & lifts, cost of all materials of quality, labour, Usage charges of machineries, curing, and all the other appurtenances required to complete the work as per technical specifications with all lead and lift as directed by the Engineer in charge of the work (The cost of steel reinforcement & formwork shall be paid separately)

Providing and laying reinforced cement concrete Pipe NP3 (1200mmdia) for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation,Protection works,Backfilling,Concrete and masonry works in head walls and parapets with all lead and lift as directed by the Engineer in charge of the work

Conducting Under Water videography for Upstream side of Bhadra Dam, Barrel Portion of Sluice Gates & Stilling Basin Area, it includes 1)Inspection with Remote operated Vehicle (ROV) for identification of defects & critical Areas of the dam. 2)Need base detail inspection & survey with divers specially in critical areas identified during ROV survey including surface cleaning of defects like cracks, honeycomb, joints, cavity etc., including measurements & Mapping of the defects with dam chainage & RL upto a water depth of 40meter. 3)Submission of draft reports in soft & hard Copies (3 sets). 4)Submission of final report along with autocad drawing showing the defects in 3mX3m as per actual chainage.5)Submission of repair prposal based on the defects identified during inspection including repair methodology, material specification & detail BOQ as directed by the Engineer incharge