Name of Work:REPAIR OF BOUNDARY WALL WITH CGI PROFILE SHEETS, CONCERTINA COIL & “Y” SHAPE ANGLE (SIZE-2750 MTRS X 1.8 MTRS WITH CONCERTINA COIL 0.6 MTRS) AT 83 BN RAF, LALWAS JAIPUR
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Item Description
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Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge :All kinds of soil
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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 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 besupplied in size-12ft x 3.5ft 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, including cutting to size and shape wherever required.
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Providing and fixing of J-hook, U-hook ) with EPDM seal as directed by Engineer-in-charge.
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Providing and fixing of iron binding wire as directed by Engineer-in-charge
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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
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Providing and fixing of \"Y\" shaped angle (size-40mm x 40mm x 4mm) of all height including coated with primer and synthetic enamelto be fixed as per site requirement and as directed by Engineer-in-charge
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Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 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)
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NOTE:- All items to be used in this work should be branded and ISI certified or CPWD approved list of material may be followed. If any make is not specified, decision of Engineer-in-charge shall be final and binding.
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