Tender For Repairing Of Boundary Wall Alongwith Gate And Fencing At Jadavpur Telephone Exchange, Kolkata; 1 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 up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. 2 All kinds of soil. 3 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 up to 1.5 m. 4 Supplying and filling in plinth with sand under floors, including watering, ramming, consolidating and dressing complete. 5 Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 6 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) 7 1:5:10 (1 cement : 5 coarse sand (zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources) 8 Centering and shuttering including strutting, propping etc. and removal of form for : 9 Foundations, footings, bases for columns. 10 Extra for providing and mixing water proofing material in cement concrete work in doses by weight of cement as per manufacturer’s specification. 11 Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : 12 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) 13 Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement : 14 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) 15 Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size). 16 Centering and shuttering including strutting, propping etc. and removal of form for : 17 Lintels, beams, plinth beams, girders, bressumers and cantilevers 18 Columns, Pillars, Piers, Abutments, Posts and Struts 19 Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level. 20 Thermo-Mechanically Treated bars of grade Fe-500D or more. 21 Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in : 22 Cement mortar 1:6 (1 cement : 6 coarse sand) 23 Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level. 24 Cement mortar 1:4 (1 cement :4 coarse sand) 25 Providing and fixing in position collapsible steel shutters with vertical channels 20x10x2 mm and braced with flat iron diagonals 20x5 mm size, with top and bottom rail of T-iron 40x40x6 mm, with 40 mm dia steel pulleys, complete with bolts, nuts, locking arrangement, stoppers, handles, including applying a priming coat of approved steel primer. 26 Supplying and fixing rolling shutters of approved make, made of required size M.S. laths, interlocked together through their entire length and jointed together at the end by end locks, mounted on specially designed pipe shaft with brackets, side guides and arrangements for inside and outside locking with push and pull operation complete, including the cost of providing and fixing necessary 27.5 cm long wire springs manufactured from high tensile steel wire of adequate strength conforming to IS: 4454 - part 1 and M.S. top cover of required thickness for rolling shutters. 27 80x1.25 mm M.S. laths with 1.25 mm thick top cover. 28 Providing and fixing ball bearing for rolling shutters. 29 Steel work welded in built up sections/ framed work including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. 30 In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works. 31 15 mm cement plaster on rough side of single or half brick wall of mix : 32 1:6 (1 cement: 6 fine sand) 33 12 mm cement plaster of mix : 34 1:6 (1 cement: 6 coarse sand) 35 Neat cement punning 36 Extra for providing and mixing water proofing material in cement plaster work in proportion recommended by the manufacturers. 37 Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade 38 New work (Two or more coats applied @ 1.43 ltr/ 10 sqm. over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm). 39 Applying priming coat : 40 With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/steel works 41 Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : 42 Two or more coats on new work. 43 Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete. 44 Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : 45 One or more coats on old work. 46 Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground within 50 metres lead : 47 With cement mortar 1:4 (1 cement : 4 fine sand). 48 Cutting holes of required size in brick masonry wall for fixing of exhaust fan including providing and fixing 300 mm dia PVC pipe conforming BIS-12818 and making good the same etc. complete as per direction of Engineer-in-charge. 49 Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge. 50 Demolishing brick work manually/ by mechanical means including stacking of serviceable material beyond the compound in confirmity with the municipal /Corporation Rules for such disposal as perdirection of Engineer - in - charge. 51 In cement mortar 52 Removing mortar from bricks and cleaning bricks including stacking within a lead of 50 m (stacks of cleaned bricks shall be measured): 53 From brick work in cement mortar 54 Dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead : 55 Of area 3 sq. metres and below 56 Dismantling steel work in built up sections in angles, tees, flats and channels including all gusset plates, bolts, nuts, cutting rivets, welding etc. including dismembering and stacking within 50 metres lead. 57 Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of: 58 Asbestos cement sheet 59 Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead. 60 Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved. 61 Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in-charge. 62 Made of G.I. wire of dia. 4 mm, PVC coated to achieve outer dia not less than 5 mm in required colour and shade 63 Brick work with common burnt clay F.P.S. (non modular) departmental bricksobtained from dismantling of brick work using in new foundation and plinth in all shapes and sizes in : In CM 1:6(1 cement : 6coarse sand) 64 Hire and labour charges for barricades and safety measure to in the working sites using bamboo & coir rope and displaying caution notice as per direction of the Engineer-in-charge. 65 Credit Value 66 Brick 67 M.S./ iron materials
