South East Central Railway Tender

CONCRETE WORK // MISCELLANEOUS // Providing and laying in position ready mixed or site batched design mix cement concrete for plain 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 and finishing as per direction of the engineer-in-charge; for the following grades of concrete. Note: 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 minimum specified cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. // All works upto plinth level : // Concrete of M20 grade with minimum cement content of 270 kg /cum

REINFORCED CEMENT CONCRETE // DESIGN MIX CONCRETE // 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 5 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. Note: 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 1.10 times 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 upto plinth level // Concrete of M25 grade with minimum cement content of 330 kg /cum

CONCRETE WORK // CEMENT CONCRETE (CAST IN SITU) // Centering and shuttering including strutting, propping etc. and removal of form work for : // Foundations, footings, bases for columns

CONCRETE WORK // CEMENT CONCRETE (CAST IN SITU) // Centering and shuttering 7 including strutting, propping etc. and removal of form work for : // Retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc.

REINFORCED CEMENT CONCRETE // FORM WORK // Centering and shuttering including strutting, propping etc. and removal of form for // Foundations, footings, bases of columns, etc. for mass concrete

REINFORCED CEMENT CONCRETE // FORM WORK // Centering and shuttering including strutting, propping etc. and removal of form for // Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

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

CONCRETE WORK // Providing and fixing at or near ground level precast cement 11 concrete in kerbs, edgings etc. as per approved pattern and setting in position with cement mortar 1:3 (1 Cement : 3 coarse sand), including the cost of required centering, shuttering complete. // 1:1.5:3 (1 Cement: 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).