Karnataka Neeravari Nigam Limited Tender

Excavation in hard rock of all toughness including boulders above 0.6m diameter (0.113cum) for canals, cut-off trench of embankment, filter/catch water drains and other appurtenent structures by approved Controlled blasting methods including control of vibrations by use of delay detonators and control of fly-rocks by muffling arrangements and adopting only jack hammer for drilling holes and minimising damage to side slopes of canal in water prism area by adopting any one or combination of line drilling/pre-splitting/smooth blasting techniques including cost of all materials, machinery, labour and placing excavated rock neatly in approved dump area as directed etc, complete as per specification with all lead and lifts and as directed by Engineer in Charge.

Providing casing embankment using semi-pervious/ pervious soil collected in embankment area in heaps as part of disposal of excavated soil from canal in layer of 250 to 300 mm (before compaction) including cost of all materials, machinery, labour, all other operations such as spreading soil in layer of specified thickness, sorting-out, breaking clods, levelling, sectioning edges / sides, watering, compacting each layer to density control of not less than 95 percent or as stipulated by power roller etc., complete as per specification with all lead and lifts and as directed by Engineer in Charge.

Providing and laying insitu vibrated M-15 (28 days cube compressive strength not less than 15 N/sqmm) grade cement concrete using 20 mm down approved, clean, hard, graded aggregates for bed lining of canal including Cost of all materials, machinery, labour, cleaning, batching, mixing, formwork, placing in position, levelling, vibrating, finishing, curing etc.,complete as per specification with all lead and lifts and as directed by Engineer in Charge. (Cement content:270 kg/cum with use of super plasticiser)

Providing and laying insitu vibrated M-15 (28 days cube compressive strength not less than 15 N/sqmm) grade cement concrete using 20 mm down approved, clean, hard, graded aggregates for side lining of canal including cost of all materials, machinery, labour, cleaning, batching, mixing, formwork, supports, placing in position, levelling, vibrating, finishing junction of bed and sides to required curvature, finishing side slopes, curing, etc., complete as per specification with all lead and lifts and as directed by Engineer in Charge. (Cement content: 270 kg/cum with use of super plasticiser)

Providing and fixing 50 mm diameter and 125 mm long perforated GI pressure relief pipe with one end closed by perforated GI plate and other end provided with alluminium lid hinged to pipe including cost of all materials, labour, drilling 8mm dia holes etc, complete as per specification with all lead and lifts and as directed by Engineer in Charge

Providing and forming 350 x 350 x 400 mm deep filter drain consisting of 75mm thick 10mm down coarse aggregate layer around pressure relief pipe and 75mm thick sand layer around coarse aggregate layer including cost of all materials ,labour,excavation of pit etc.,complete as per specification with all lead and lifts and as directed by Engineer in Charge.

Providing and fixing one line dressed 1110 x 350 x 250 mm thick IRC standard kilometre stone in M-10 (28 days cube compressive strength not less than 10 N / sqmm) grade cement concrete using 40 mm down approved clean, hard, graded aggregates including cost of all materials, labour, excavating pit of size 750 x 450 x 400 mm, batching and mixing concrete, embedding stone in concrete for 300 mm depth, providing two coats synthetic enamel paint of approved quality and colour to exposed surfaces, lettering on stone as directed, , finishing, curing etc., complete as per specification with all lead and lifts and as directed by Engineer in Charge.

Providing and fixing 20 mm thick 100 mm depth tarfelt expansion joint filler boards for cement concrete lining of canal including cost of all materials, labour etc., complete as per specification with all lead and lifts and as directed by Engineer in Charge.

Providing and fixing one line dressed 650mm x 150mm x 100mm thick IRC standard hectometer stone in M-10 (28 days cube compressive strength not less than 10 N / sqmm) grade cement concrete using 40 mm down approved clean, hard, graded aggregates including cost of all materials, labour, excavating pit of size 500 x 450 x 400 mm, batching and mixing concrete, embedding stone in concrete for 300 mm depth, providing two coats synthetic enamel paint of approved quality and colour to exposed surfaces, lettering on stone as directed, finishing, curing etc., complete as per specification with all lead and lifts and as directed by Engineer in Charge.

Providing and constructing dry rubble rock toe using rubble and stone chips from dump yard including cost of all materials, machinery, labour, hand packing rubble and stone chips, finishing top and sides to required slopes as per approved drawing etc, complete as per specification with all lead and lifts and as directed by Engineer in Charge.

Excavation in all kinds of soil including boulders upto 0.6 m dia (0.113 cum) for foundations of canal cross drainage and other appurtenant structures and placing the excavated stuff neatly in specified dump area or disposing off the same as directed including cost of all materials, machinery, labour etc. complete as per specification with all lead and lifts and as directed by Engineer in Charge.

Excavation in soft rock without blasting including boulders up to 0.6 m dia (0.113 cum) for foundations of canal cross drainage and other appurtenant structures and placing the excavated stuff neatly in specified dump area or disposing off the same as directed including cost of all materials, machinery, labour etc. complete as per specification with all lead and lifts and as directed by Engineer in Charge.

Providing and laying insitu vibrated M-10 (28 days cube compressive strength not less than 10 N/Sqmm) grade cement concrete using 40 mm down approved, clean, hard, graded aggregates for foundation filling including cost of all materials, machinery, labour, formwork, cleaning, batching, mixing, placing in position, levelling, vibrating, finishing, curing etc. completeas per specification with all lead and lifts and as directed by Engineer in Charge.(Cement content : 220kg/cum with use of super plasticiser)

Providing and laying insitu vibrated M-15 (28 days cube compressive strength not less than 15 N/sqmm) grade cement concrete using 40 mm down approved, clean, hard, graded aggregates for gravity type retaining walls / abutments etc., including cost of all materials, machinery, labour, formwork, scaffolding, cleaning, batching, mixing, placing in position, levelling, vibrating, finishing, curing etc., complete as per specification with all lead and lifts and as directed by Engineer in Charge. (Cement content: 240 kg/cum with use of super plasticiser)

Providing and laying insitu vibrated M-20(28 days cube compressive strength not less than 20 N/Sqmm) grade cement concrete using 20 mm down approved clean, hard, graded aggregates for sub-structure works including cost of all materials, machinery, labour, form work, scaffolding, cleaning, batching, mixing, placing in position, levelling, vibrating, finishing, curing etc. complete as per specification with all lead and lifts and as directed by Engineer in Charge..(Cement Content :330Kg/cum with use of super plasticiser)

Providing and laying insitu vibrated M-15(28 days cube compressive strength not less than 15 N/Sqmm) grade cement concrete using 20 mm down approved clean, hard, graded coarse aggregates for sub-structure works including cost of all materials, machinery, labour, form work, scaffolding, cleaning, batching, mixing, placing in position, levelling, vibrating, finishing, curing etc. complete as per specification with all lead and lifts and as directed by Engineer in Charge.(Cement Content :270Kg/cum with use of super plasticiser)

Providing, fabricating and placing in position reinforcement steel bars for RCC works including cost of all materials, machinery, labour, cleaning, straightening, cutting, bending, hooking, lapping, welding wherever required, tying with 1.25 mm dia soft annealed steel wire, including cost of all materials, machinery, labour etc., complete as per specification with all lead and lifts and as directed by Engineer in Charge.

Providing and laying reinforced cement concrete pipe NP3 for culverts including pointing ends, and fixing collars with cement mortar 1:2 including cost of all matereials, labour, curing etc., complete as per specification.For 600mm dia etc.. complete as per specification with all lead and lifts and as directed by Engineer in Charge.

Providing and fixing 200 x 200 x 750 mm size roughly dressed boundary/ demarcation/ chainage/ arrow stones including cost of all materials, labour, engraving marks, excavating pit, fixing in position, murum filling etc., complete as per specificationwith all lead and lifts and as directed by Engineer in Charge.

Providing and filling murrum / gravelly soil (CNS soil) for foundation or around pipes including cost of all materials, labour, spreading soil in layers of 100 to 150 mm, breaking clods, watering, compaction by earth masters to achieve density control of not less than 90 percent etc. complete as per specification with all lead and lifts and as directed by Engineer in Charge.

Design, fabrication, supply, erection, testing and commissioning of fixed wheel type vertical lift gate(with top seal) consisitng of skin plate, stiffners, horizontal and vertical girders, wheels, guide rollers, rubber seals, etc. with all accessories for canal escape/regulator vent including cost of all materials , machinery, labour, cutting, aligning, welding, finishing, cleaning, applying one coat of zinc rich epoxy primer and three coats of cold applied coal tar epoxy paint, seal fixing etc. complete as per specifications and approved drawings with all leads and lifts including packing/forwarding charges for other materials and as directed by Engineer in Charge.

Providing and constructing contraction joints by fixing 230 mm wide central bulb type PVC water stop in single line supported by 10 mm dia steel dowel rods on either side at 1 meter interval including cost of all materials,machinery ,labour,vulcanizing water seal joints etc., complete as per specification with all lead and lifts and as directed by Engineer in Charge.

Providing and fixing 20 mm thick 100 mm depth tarfelt expansion joint filler boards for cement concrete lining of canal including cost of all materials, labour etc., complete as per specification with all lead and lifts and as directed by Engineer in Charge.

Providing and laying insitu vibrated M-20 (28 days cube compressive strength not less than 20 N/Sqmm) grade cement concrete using 20 mm down approved clean, hard, graded coarse aggregates for RCC troughs for aqueduct including cost of all materials, machinery, labour, form work, scaffolding, cleaning, batching, mixing, placing in position, levelling, vibrating, finishing, curing etc. complete as per specification with all lead and lifts and as directed by Engineer in Charge.(Cement content: 330 kg/cum with use of super plasticiser)

Providing and laying insitu vibrated M-20 (28 days cube compressive strength not less than 20 N/Sqmm) grade cement concrete using 20 mm down approved clean, hard, graded aggregates for deckslab and kerb including cost of all materials, machinery, labour, form work, scaffolding, cleaning, batching, mixing, placing in position, levelling, vibrating, finishing, curing etc. complete as per specification with all lead and lifts and as directed by Engineer in Charge. (Cement content: 330 kg/cum with use of super plasticiser)

Providing and laying insitu M-20 (28 days cube compressive strength not less than 20 N/Sqmm) grade cement concrete using 20 mm down approved clean, hard, graded aggregates for wearing coat including cost of all materials, machinery, labour, form work, cleaning, batching, mixing, placing in position in alternate panels, levelling, compacting, finishing, curing, packing joints with asphalt mortar etc. complete as per specification with all lead and lifts and as directed by Engineer in Charge. (Cement content: 330 kg/cum with use of super plasticiser)

Providing rubble / boulder and sand filling behind abutment and return walls in layers including cost of all materials, labour, watering, ramming etc., complete as per specification with all lead and lifts and as directed by Engineer in Charge.

Constructing un-reinforced, plain cement concrete for pavements using Grade concrete M30 over a prepared base with OPC coarse aggregate at 0.69 cum, fine aggregates at 0.46 cum,Coarse and fine aggregate conforming to IS:383-2016, with Superplastizer at 3 Its conforming to IS 9103-2008. mixed in a concrete mixer of not less than 0.6 cum capacity and appropriate weigh batcher as per approved mix design, laid in approved fixed side form work (steel channel, laying and fixing of 125 micron thick polythene film, wedges, steel plates including levelling the form work as per drawing). & Spreading the concrete with shovels, rackers compacted using needle, screed and plate vibrator and finished with floaters in a continuous operation including provision of contraction, expansion, construction and longitudinal joints,including groove cutting charges, joint filler, separation membrane of impermiable plastic sheet of 125 micron, sealant primer, joint sealant, admixtures as approved, curing compound, finishing to lines and grades, textured with texturing machine, and curing including cost of all materials, labour,hire charges of machineries,all lead & lift charges etc., complete as per specification with all lead and lifts and as directed by Engineer in Charge.

Excavation in hard rock of all toughness including boulders above 0.6 m dia. ( 0.113 cum ) by approved controlled blasting methods for foundations of canal cross drainage and other appurtenant structures adopting only jack hammers for drilling holes and using delay detonators for control of vibrations and by making muffling arrangements for control of fly-rock and by adopting any one or combination of line drilling / pre-splitting / smooth blasting techniques to minimise damage to rock beyond excavation line and placing the excavated hard rock neatly in approved dump area as directed including cost of all materials,machinery, labour etc., complete as per specification with all lead and lifts and as directed by Engineer in Charge.