Damodar Valley Corporation Tender

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge ,In cement mortar

Dismantling steel work in single sections including dismembering and stacking within 50 metres lead in: Channels, angles, tees and flats

Extra for scrapping, cleaning and straightening reinforcement from R.C.C. or R.B. work.

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil.

Centering and shuttering including strutting, propping etc. and removal of form for : Lintels, beams, plinth beams, girders, bressumers and cantilevers

Centering and shuttering including strutting, propping etc. and removal of form for : Columns, Pillars, Piers, Abutments, Posts and Struts

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level. Thermo-Mechanically Treated bars of grade Fe-500 D or more.

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing:1:2:4 (1 Cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge; for the following grades of concrete. Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. All works above plinth level upto floor V level concrete of M25 grade with minimum cement content of 330 kg /cum

Brickwork with bricks of class designation 5 in foundation and plinth in Cement mortar 1:6 (1 Cement : 6 Coarse sand)

Extra for brick work in superstructure above plinth level upto floor V level

CEMENT PLASTER (IN COARSE SAND) 12 mm cement plaster of mix : 1:6 (1 cement: 6 coarse sand)

20 mm cement plaster of mix : 1:6 (1 cement: 6 coarse sand)

Finishing walls with Acrylic Smooth exterior paint of required shade : New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : Two or more coats on new work

Providing and fixing concertina coil fencing with punched tape concertina coil 600 mm dia 10 metre openable length ( total length 90 m), having 50 nos rounds per 6 metre length, upto 3 m height of wall with existing angle iron ‘Y’ shaped placed 2.4m or 3.00 m apart and with 9 horizontal R.B.T. reinforced barbed wire, stud tied with G.I. staples and G.I. clips to retain horizontal, including necessary bolts or G.I. barbed wire tied to angle iron, all complete as per direction of Engineer-in-charge, with reinforced barbed tape(R.B.T.) / Spring core (2.5mm thick) wire of high tensile strength of 165 kg/ sq.mm with tape (0.52 mm thick) and weight 43.478 gm/ metre (cost of M.S. angle, C.C. blocks shall be paid separately)

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

CARRIAGE OF MATERIALS By Mechanical Transport including loading,unloading and stacking : Lime, Moorum, building rubbish, Upto 1 km

CARRIAGE OF MATERIALS By Mechanical Transport including loading,unloading and stacking : Earth, Upto 1 km

Dry rubble pitching with stone boulder including hand packing complete for all leads and lifts.

Caulking with cement concrete (1:3:6) 0.15 cum. per cum. of boulder pitching with 20 mm. and down stone chips including making weep holes at a spacing of 180 cms. horizontally and 90 cms. vertically including rough dressing of slope for pitching, packing of the back of the weep holes etc. including all leads and lifts complete.

CARRIAGE OF MATERIALS By Mechanical Transport including loading,unloading and stacking.Up to 2km: Soling stone.

Providing and laying non-pressure NP2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete : 300 mm dia. R.C.C. pipe

Under sl. no. 1 to 27

Under sl. no. 1 to 27

Under sl. no. 1 to 27