WBPWD/SE/SC/NIeT-09/2025-2026 (3rd Call)

Sec-A1: Cofferdam with sheet pile works: Supplyng and driving Z section sheet Pile with the help of power winch in the river after arranging a floating structure made of hollow iron drum as per drawing & direction of Engineer-in-Charge.

Extra over item-1 i.e. Supplyng and driving Z section sheet Pile and the same will be welded after erecting in the river bed with oxygen and LPG or CNG, welding to be carried out on both sides of the Z sheet pile with extra plate thickness not less than 10 mm as per drawing & direction of Engineer-in-Charge.

Sand filling in foundation trenches and at the back of butments, wing-walls etc. with good local sand free from earth in layers not exceeding 15 cm. including inundating each layer by profuse water and poking and ramming layer by layer complete including supply of sand. Quality of sand is to be approved by the Engineer-in-charge -Silver Sand

Sec-A2: Foundation & Substructure works: 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 . (a) (i) Depth of excavation up to 3 m depth With pumping out water excluding 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 . (b) (i) Depth of excavation 3 m to 6 m depth With pumping out water excluding 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 . (c) (i) Depth of excavation above 6 m depth With pumping out water excluding shoring as required.

Providing and laying Design Mix concrete for plain / reinforced concrete work in any part of bridge (excluding bottom plugging) with 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. (a) M-15 Grade Using concrete mixer.

Providing Bored Cast-in-situ R.C.C. pile (M35 Grade) 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). (a) Using hydraulic piling rig;(iv) Pile diameter - 1000 mm.

Cement Concrete for Reinforced Concrete in Pile Cap complete as per drawing and Technical Specification. (D) (ii) RCC Grade M35 - Using Batching Plant Transit Mixer and Concrete Pump

Plain / Reinforced Cement Concrete in Substructure with coarse aggregates of appropriate nominal size and grading, fine aggregate (sand) conforming to proper grading zone, both of approved quality, cement and water reducing admixtures, 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 as per drawing and technical specification including the cost of necessary form work and staging complete as per drawing and technical specifications. RCC Grade M35 - Height upto 5m - Using Batching Plant