South East Central Railway Tender

CONCRETE WORK // CEMENT CONCRETE (CAST IN SITU) // Providing and laying in 4 position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : // 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)

REINFORCED CEMENT CONCRETE // DESIGN MIX CONCRETE // Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete 5 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. 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

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.

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 // PRE-CAST RCC // Providing, hoisting and fixing above plinth level up to floor five level precast reinforced cement concrete work in string courses, 9 bands, copings, bed plates, anchor blocks, plain window sills and the like, including the cost of required centering, shuttering but , excluding cost of reinforcement with 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).

CARRIAGE OF MATERIALS // By Manual Labour including loading, unloading and stacking for lead less than 0.50 KM // Earth // Cost of carriage including loading, unloading & stacking for first 50 metres

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

STEEL WORK // Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

ROOFING // Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion. // Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness with zinc coating 120 grams per 13 sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

DRAINAGE // Extra for depth beyond 45 cm of brick masonry chamber : // Providing 14 and laying Non Pressure NP-3 class (Medium duty) R.C.C. pipes including collars/spigot jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete // 1200 mm dia RCC pipes. (Laying by manual/ machanical means)

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