WBPW(ROADS)/Sr. SE/ NHC /NIT-10 /2025-2026/01

Construction of Temporary Island by construction of outer annular layer with two rows of bullahs, suitable spaced, of dia. not less than 150 mm, driven at least half of the total length, properly tied, braced and supported and filling the annular space with sand / soil filled bags, protected by drum sheet walling on both side and filling the core portion with locally available materials including the dismantling, removing and cleaning the site of the construction of main component of the structure. Area of Island between 120 m² to 140 m² Height above bed level upto 2.25 m.

Providing Bored Cast-in-situ R.C.C.(M-35) pile in position as per specifications in all kinds of soil including cost of boring using drilling mud to stabilize the bore and flushing the bore of excess mud with freshly prepared drilling fluid by using pumps prior to placing concrete by tremie pipe in one continuous operation and including the cost of all materials and labour for placing of concrete and also including the cost of mobilization and hire charges of all equipment necessary for boring, welding of reinforcement cage as necessary and lowering of reinforcement cage, preparation and placing of concrete, including the cost of concrete but excluding the cost of reinforcement and labour for bending binding etc. complete as per Drawing and Technical Specifications and removal of excavated earth with all lifts and lead upto 1000 m. Work to be executed as per IS: 2911 (Part II Sec 2). 1000 mm Dia, using hydraulic pilling Rig. With Batching Plant, transit mixer and crane / concrete pump. M-35 grade concrete with Pakur variety stone chips and OPC 53grade cement.

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removing, spreading or stacking of spoils within a lead of 150 m. as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved material complete as per direction of the Engineer-in-Charge. In all sorts of soils excluding marshy soil and rocks by manual means. Depth upto 3 m . With pumping out water including shoring as required.

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removing, spreading or stacking of spoils within a lead of 150 m. as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved material complete as per direction of the Engineer-in-Charge. In all sorts of soils excluding marshy soil and rocks by manual means. 3 m to 6 m depth With pumping out water including shoring as required.

Providing and laying Design Mix concrete for plain / reinforced concrete work in any part of bridge (excluding bottom plugging) with Pakur variety coarse aggregates of appropriate nominal size and grading, fine aggregate (sand) conforming to proper grading zone, both of approved quality and cement, as necessary, including labour, cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge and cost for quality control, sampling, testing etc. all complete but excluding cost of labour and materials for formwork & reinforcement works. M-15 Grade . Using Concrete Mixer with Pakur Variety Stone Aggregates.

Reinforced Cement Concrete in Open foundation with or without reinforcements, in any part of foundation of bridges / culverts with Pakur Variety graded stone chips of appropriate nominal sizes, including screening and cleaning of coarse aggregates, fine aggregate (sand) conforming to proper grading zone, both of approved quality and cement, as necessary, cost of curing with water, including cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge, cost for quality control, sampling, testing etc. including cost of formwork but excluding reinforcement complete as per drawing and technical specifications. RCC Grade M35. With Batching Plant, Transit Mixer and Concrete Pump. Using Pakur Variety Stone Aggregates.

Supplying, fitting and placing un -coated HYSD bar reinforcement in Bridge Foundation including initial straightening, straightening of coils bars, removal of loose rust (if any), cutting to requisite length bending, binding with annealed wire not less than 1 mm in size and conforming to IS 280 at every intersection hooked and bent to correct shape and placed on forms etc. including cost of black annealed wire and cost of loading, unloading, carriage of all steel materials complete as per drawing and technical specifications and direction of Engineer-in-charge. HYSD bars / TMT bars (SAIL / TATA / RINL) (Fe 500D, conforms to IS: 1786)

Performing Lateral load test on two piles or two groups of piles by introducing a hydraulic jack with gauge between two piles or pile groups under test by applying horizontal loads in increments of about 20% of the estimated safe load at each stage and applying the next increment after the rate of displacement is nearer to 0.1 mm. per 30 minutes till the total displacement becomes, 12 mm at the cut-off level including the cost of arranging the entire set-up, hire charges of all implements including at least two dial gauges, preparing the pile head if necessary, and removal of all arrangement after completion etc. complete in all respect including cost of carriage of all materials and as per IS specification and direction of Engineer-in-charge.

Performing Vertical load test on single Pile in accordance with IS:2911(Part-IV) by hydraulic jacks on pile/piles with 1.5 times the design load including preparation of the head of piles with concrete of required strength for receiving the jacks with all ancillary arrangements for setting up gauges, construction of suitable platforms, keeping the loads and dismantling and removing all arrangement etc. complete as per IS specification and direction of Engineer-in-charge. Testing load between 250 T and 300 T.