Construction of Bridge-cum-Barrage across Local nala Near Rummanagud Tanda in Kalgi Taluka Kalaburagi District (Under SCP for the year 2025-26)

1st month

Clearing and grubbing road land By Mechanical Means using Dozer In area of light jungle including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, including removal and disposal of top organic soil not exceeding 150 mm in thickness etc., complete with all lead and lifts.

Cutting and removing jauliflora bushes upto 1.50 m girth excluding removal of stumps and including burning or disposing off materials Including with all lead and lifts.

Preparing foundation bed for masonry or concrete by removing all loose mateial by wedging/ chiseling and dissposing off the same as directed and cleaning the sarface with air and water jet etc, complete with all lead and lifts lift.

Providing and fixing 25 mm dia 2.75 m long ribbed steel anchor rods with one end split and driven fimly using steel wedge into 1.25 m deep 38 mm dia. hole drilled in bed rock and other end provided with L-bend for embedding in concrete/ masonry for spillway and appurtenant works including cost of all materials, machinery, labour, steel wedge, drilling and cleaning hole, filling hole with thick cement slurry, driving anchor rod and all other ancillary operations complete etc., complete with all lead and all lifts.

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 20 mm nominal size graded crushed coarse aggregates.

Providing and laying in position Reinforced cement concrete for all Foundation works. The granite/ trap/ basalt crushed graded coarse aggregates and fine aggregates as per relevant IS Codes machine mixed with super plasticizers laid in finished layers, well compacted using needle vibrators, including all lead & lifts, cost of all materials, quality confirming to the requirements of relevant IS codes, labour, Usage charges of machinery, curing and all the other appurtenances required to complete the work as per technical specifications. M25 Design Mix Using 20 mm nominal size graded crushed coarse aggregates.

Providing form work to concrete work of item no 12 including cost of materia, labour and machineries etc. as per direction of the Ingineer incharge to complete the work with all lead and lifts.

Providing and laying in position Reinforced cement concrete for all Sub structures of building, Irrigation works, Sub structure works of bridges, Drain works & other parallel works from 0.50m to 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, providing weep holes wherever necesary, including all lead & lifts, cost of all materials of 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 & formwork to be paid separately) M25 Design Mix Using 20 mm nominal size graded crushed coarse aggregates.

Providing form work to concrete work of item no 11 including cost of materia, labour and machineries etc. as per direction of the Ingineer incharge to complete the work with all lead and lifts.

Providing and laying in position Reinforced cement concrete for allSuper 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. M25 Design Mix Using 20 mm nominal size graded crushed coarse aggregates.

Providing form work to concrete work of item no 13 including cost of materia, labour and machineries etc. as per direction of the Ingineer incharge to complete the work with all lead and lifts.

Providing and forming expansion joint for spillway bridge consisting of 75 x 75 x 6 mm angles 2 numbers provided with 250 mm long 12 mm dia. anchors fixed to both flanges at 150 mm c/ c and 140 x 6 mm plate welded on top of one of the angle including cost of all materials, labour, machinery, providing and fixing 38 mm thick joint filler board matching the thickness of wearing coat, painting etc., conplete with all lead and lifts.

Supplying, fitting and placing TMT FE 550/ 550D Steel Reinforcement for Foundation of bridges works including cost of all materials, machinery, labour, cleaning, straightening, cutting, bending, hooking, laping/welding joints, tying with binding wire/ soft nealed steel wire and other ancilary operations complete as per drawing and technical specification.

Providing and constructing 75 mm dia PVC pipe weep holes for concret/ masonry wall including providing 200X200x200 mm size porous concrete block made of cement and 20 mm down coarse aggregate in 1:4 proportion including 100 mm thick sand backing at the junction of wall and soil back filling, cost of all materials machineries labour etc,complete with all lead and lifts.

Providing and constructing 300mm thick dry rubble stone pitching with pin headers at 2 per sqm. Using stone and syone chips from approved source including cost of all materials, labour hand packing/ wedging stone chips finishing etc. complete with all lead and lifts.

Design, fabrication, supply, erection and commissioning of embedded parts consisting of sill beam, wheel tracks, seal seats, guide rails etc.,with all accessories for vertical lift barrage gate including cost of all materials, machinery, labour, cutting, aligning, anchoring, welding, finishing, cleaning, applying one coat of zinc rich epoxy primer and four coats of cold applied coal tar epoxy paint etc., complete as per specifications and approved drawings with all lead and all lifts.

Design, fabrication, supply, erection, testing and commissioning of sliding type interchangeable stoplog gate elements consisting of skin plate, stiffeners, horizontal and vertical girders, lifting hooks, bronze padded slide blocks, guide shoes, rubber seals etc., with all accessories for canal regulator vent including cost of all materials, machinery, labour, cutting, aligning, welding, finishing, cleaning, applying one coats 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 lead and all lifts including packing/ forwarding charges for other materials.

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 work.

Reinforced cement concrete M15 grade boundary pillars of standard design as per IRC:25, fixed in position including finishing and lettering but excluding painting (MORT&H-807; Boundary pillar/ Guard Stones).

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