tender for civil and electrical renovation of the existing shed at back side of bmdd building, bmdd at csir-cgcri, kolkata.; 1. demolishing cement concrete manually or by mechanical means, including disposal of material within 50 metres lead, as per the direction of the engineer-in-charge. 2. nominal concrete 1:3:6 or richer mix (including equivalent design mix). 3. dismantling doors, windows and clerestory windows (steel or wood) shutters including chowkhats, architrave, holdfasts etc., complete, and stacking within 50 metres lead. 4. for areas beyond 3 sq. metres. 5. 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. 6. dismantling roofing, including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead. 7. g.s. sheet. 8. 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. 9. demolishing brick work manually or by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead, as per direction of the engineer-in-charge. 10. brick work in cement mortar. 11. 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. 12. cement mortar 1:6 (1 cement : 6 coarse sand). 13. 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. 14. concrete mix 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. steel reinforcement for r.c.c. work including straightening, cutting, bending, placing in position and binding, all complete up to plinth level. 16. thermo-mechanically treated bars of grade fe-500d or more. 17. cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry but excluding the cost of nosing of steps etc., complete. 18. 40 mm thick flooring with 20 mm nominal size stone aggregate. 19. providing 15 mm cement plaster on the rough side of a single or half brick wall. 20. cement mortar 1:6 (1 cement : 6 coarse sand). 21. providing 15 mm cement plaster on the rough side of a single or half brick wall, finished with a floating coat of neat cement. 22. cement mortar 1:4 (1 cement : 4 fine sand). 23. 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. 24. finishing walls with acrylic smooth exterior paint of required shade. 25. new work: two or more coats applied @ 1.67 litres/10 sqm over and including a priming coat of exterior primer applied @ 2.20 kg/10 sqm. 26. providing and fixing 1 mm thick m.s. sheet door with frame of 40x40x6 mm angle iron and 3 mm m.s. gusset plates at junctions and corners, with all necessary fittings complete, including applying a priming coat of approved steel primer. 27. using m.s. angles 40x40x6 mm for diagonal braces. 28. providing and fixing isi-marked oxidised m.s. door latches conforming to is:5930 with screws etc., complete. 29. size: 300x20x6 mm. 30. applying priming coat. 31. with ready-mixed red oxide zinc chromate primer of approved brand and manufacture on steel or galvanized iron/steel works. 32. painting with synthetic enamel paint of approved brand and manufacture to give an even shade. 33. two or more coats on new work. 34. providing and fixing cpvc pipes (chlorinated polyvinyl chloride), having thermal stability for hot and cold water supply, including all cpvc plain and brass threaded fittings, fixing the pipe with clamps at 1.00 m spacing, jointing with one-step cpvc solvent cement, and testing the joints complete as per the direction of the engineer-in-charge. internal work — exposed on wall. 35. 15 mm nominal diameter pipes. 36. providing and fixing wash basin with c.i. brackets, 15 mm c.p. brass pillar taps, 32 mm c.p. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever required. 37. stainless steel aisi-304 (18/8) wash basin 530x345 mm with single 15 mm c.p. brass pillar tap. 38. providing and fixing p.v.c. waste pipe for sink or wash basin including p.v.c. waste fittings, complete. 39. flexible pipe, 32 mm diameter. 40. providing and fixing c.p. brass angle valve for basin mixer and geyser points of approved quality conforming to is:8931. 41. 15 mm nominal bore. 42. providing and fixing corrugated roof sheet made of zinc/aluminum alloy-coated high-tensile steel of 0.45 mm thickness, having yield strength of 550 mpa with a profile width of 1072 mm, fixed with required fittings, including cutting to size and shape as required, as per the direction of the engineer-in-charge (excluding cost of purlins, rafters and trusses). 43. supply of 1.1 kv grade pvc insulated armoured cable conforming to is 7098 (part 1) 1988. 44. 4c x 25 sq. mm. 45. 4c x 16 sq. mm. 46. 4c x 6 sq. mm. 47. laying and fixing one number pvc insulated and pvc sheathed/xlpe power cable of 1.1 kv grade of the following size on wall surface as required. 48. up to 35 sq. mm (clamped with 1 mm thick saddle). 49. supplying and making end termination with brass compression gland and copper lugs for the following size of pvc insulated and pvc sheathed/xlpe copper conductor cable of 1.1 kv grade. 50. 4 x 16 sq. mm (28 mm). 51. 4 x 25 sq. mm (28 mm). 52. supplying and fixing a horizontal type, three-pole and neutral, sheet-steel mcb distribution board (415 v), surface or recessed mounted, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections and powder coating, including earthing etc., as required (without mcb/rccb/isolator). 53. six-way (4 + 18), double door. 54. providing and fixing mccb of following rating and breaking capacity, four-pole, with thermomagnetic release and terminal spreaders in an existing cubicle panel board including drilling holes, making connections etc., as required. 55. 100 a, 30 ka, fp mccb. 56. providing and fixing sheet-steel, duly powder-coated metal enclosure for 100 a mccb. 57. supplying and fixing 5 a to 32 a rating, 240/415 v, 10 ka, “c” curve miniature circuit breaker suitable for inductive load, of the following poles, in the existing mcb db, complete with connections, testing and commissioning. 58. single-pole mcb. 59. triple-pole and neutral. 60. supplying and fixing 63 a, 415 v, 10 ka, “c” curve fp mcb suitable for inductive load, in the existing mcb db with complete connections, testing and commissioning. 61. providing and fixing sheet-steel, duly powder-coated metal enclosure for fp mcb. 62. supplying and drawing frls pvc insulated copper conductor, single-core cable in the existing recessed steel/pvc conduit as required. 63. 3 x 1.5 sq. mm. 64. 3 x 2.5 sq. mm. 65. supplying and fixing medium-class pvc conduit along with accessories, in surface or recessed position, including cutting the wall and making good the same where required. 66. 25 mm. 67. supplying, installing, testing and commissioning a 300 mm heavy-duty metal-body single-phase exhaust fan. 68. supplying, installing, testing and commissioning a 400 mm domestic-type wall-mounted fan. 69. supplying, installing, testing and commissioning an led surface-mounted batten light with specified construction, driver efficiency, surge protection, thd, pf, ip rating, cri, flicker requirement, lifetime, cct, efficacy, certification and oem warranty, complete with wiring and earthing as required. 70. 24–26 watt. 71. supplying and fixing metal boxes of the following nominal sizes, on surface or recessed, with phenolic laminated sheet cover in front including painting etc., as required. 72. 100 mm × 100 mm × 60 mm deep. 73. 180 mm × 100 mm × 60 mm deep. 74. supplying and fixing piano-type switch/socket on the existing switch box/cover, including connections etc., as required. 75. 5/6 a switch. 76. 15/16 a switch. 77. 3-pin 5/6 a socket outlet. 78. 6-pin 15/16 a socket outlet. 79. supplying and fixing single-pole and neutral sheet-steel mcb distribution board (240 v), surface or recessed, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections and powder coating, including earthing etc., as required (without mcb/rccb/isolator). 80. six-way, double door.