WBIW/CTU/CE(S)/e-NIT- 21 (e)/2026-27 S.L 01

Cutting uprooting and clearing jungles including shrubs, water weeds, bushes, trees, plants, upto 30cm. Girth including removing as directed by Engineer-in-charge.

Excavation for Structures Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material (Reference to MORT&H's specification 304).Ordinary soil.Mechanical Means. Depth upto 3 m.

Depth 3 m to 6 m

Depth above 6m

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:1½:3 (1 Cement: 1½ coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Bailing or pumping out water from foundation trenches.(This item should be executed on the specific direction of the Engineer-in-charges when he is satisfied in his absolute discretion, that this has not been necessitated due to any fault on the part of the contractor)..

Supplying Cold Formed Steel Sheet Pilling, ZType or U-Type as per IS:2314 1986, up to Amendment No.1 June 2018, structural steel material conforming to Grad Designation E 250 (Fe 410 W), of IS 2062: 2006 having minimum yield strength of 250 N/mm², at worksite including all statutory taxes, duties and incidental charges, having minimum thickness, mass and elastic modulus within the permissible range as shown below; a) for use in all temporary structures e.g., shoring, coffer dams etc. i) Range of minimum thickness (excluding tolerance) at any part in mm (tmin) : 8.0< tmin <8.5 (ii) Range of Mass (Kg / sq.m) : 97.3<M<108.60 (iii) Range of Section Modulus (cm3) : 1037 <Z <1759 .

Supplying a) Hot Rolled Non-Alloy Steel Sheet Piling, Z-Type or U-Type, with Larssen Interlock as per EN 10248-1:1996 &EN 10248-2:1996, Steel name S430GP, & number 1.0523 (both as per EN-10027), Classification Quality Steel (QS) as per EN 10020, having minimum yield strength of 430 N/mm2, at worksite including all statutory taxes, suties and incidental changes, for use in (a) all sorts of hydrolic structures, and, (b) below structural flood walls/as cut off walls on top of embankments, constructed to lower the phreati lines, having minimum thickness, mass and elastic modulus within the permissible range as shown below; Range of minimum thickness (excluding tolerance) at any part, in mm (tmin), (8.5<=tmin<=9.5), Range of Mass (Kg/sq.m), (M), 105<=M<=120.0, Range of Elastic Modulus (cm3), (E), 1600<=E<=2200.

Driving MS sheet piles of any kind of approved type and size conforming to I.S. code in all kinds of soil/ soil mixed with gravel, shingle & pebbles, by vibro-sinker including handling, cutting to requisite size, drilling holes, hoisting in position, welding, fabrication of sets of tapper piles, corner piles etc. with clutch bars as may be required including staging, scaffolding and hire charges of driving machinery and equipments, scraping and cleaning piles, painting the surface with one coat of surface primer of approved make and brand and two coats of ready mixed oil bound paint (except red lead and black japan) etc. including all cost of labours, supply and carriage of equipmemnts to site (by any mean) as per drawing and direction of the Engineer-in-chargebut excluding the cost of sheet piles. NB: Measurement of area underground to be taken i.e. straight length of pile multiplied by driven length).

Bored cast-in-situ M35 grade R.C.C. Pile excluding Reinforcement complete as per Drawing and Technical Specifications and removal of excavated earth with all lifts and lead upto 1000 m (Reference to MORT&H's specifications 1100 & 1700). Pile diameter = 750mm .Using batching plant.