Border Security Force Tender

Removing of old paint in angle iron post With Patti, Sand paper etc. and prepare surface for painting as required at site as per direction of Engineer-in-charge.

Applying priming coat: With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/ steel works.

Applying priming coat :With ready mixed pink or Grey primer of approved brand anc1 manufacture on wood work (hard and soft wood)

Providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed in position with hold fast lugs or with dash fasteners of required dia & length ( hold fast lugs or dash fastener shall be paid for separately).Second class teak wood

Providing and fixing oxidised M.S. double acting spring hinges with necessary screws etc. complete. 150 mm

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

Providing and fixing precoated galvanised iron profile sheets(size, shape and pitch of corrugation as approved by Engineer- in-charge) 0.50 mm ( + 0.03 %), total coated thickness with zinc coating 120 gm 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 be supplied in single length upto l2metre or as desired by Engineer-in-charge. The sheet sha Il he fixed using self drilling / self tapping screws of size (5.5x 55mm) 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

Providing and fixing precoated galvanised steel sheet roofing accessories 0.50 mm (+0.05 %) total coated thickness, 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 using self drilling/ self tapping screws complete : Ridges plain (500 600mm)

Dismantling and credit (raking out) barbed wires,concertina coil and other fixtures viz-a-viz tightening bolts,straightening bolts etc all except MS angle post and struts provided at evry rows of three row border security fence namely India side,pak side & middle row fixed at distance of 3.00 m c/c i/c dismantling two rpws of concertina coil and removal of all dismanteled material form site of work and its credit to contractor complete cleaning of site ,disposal of unseerviceable material ,taking out the dismanteled material etc as per direction of Engineer-in-charge. (dismanteled barbed wire ,concertina coiland other dismanteled fittings and fixtures shall be the prperty of the contractor)

Providing, laying and fixing galvanized punched tope concertina coil, 1050 mm dia (when closed) weighting not less than 15.2 kg each coil, having galvanized spring cold drawn steel coil wire of 2.5 mm dia, galvanized punched tope of low carbon steel having series of sharp barbs uniformly punched along its length having 550 nos. of barbs on periphery per revolution and crimped on steel spring core wire. having G. I. steel wire handles hooked to coil for handing & M.S. square bars hooked with coil having pointed face for anchorage, including spreading each coil uniformly in 10 meter length, including adequately tying to the existing G.I. barbed wire fencing with G.I. wire of not less than 16 gauge at every 1m spacing, tying the handles of succeeding coil with preceding coil with G.I. wire not less than 16 gauge, proper anchoring of spikes at start and end of the coil in C.C. all as par directions of Engineer-in-charge.

Providing & fixing G.I. barbed wire of size 2.50 x 2.00 mm (weight to be not less than 108 gms per metre length) conforming to IS-278-1978 and stretching with existing MS hooks/ tightening bolts to angle iron posts in holes already drilled with spilt cotter pins 5 x 22 (confirming to IS 549 steel) i/c necessary painting by dipping in paint twice with anticorrosive bitumastic paint (IS-158) of approved brand and manufacture in black shade to give a smooth and even surface complete as per direction of Engineer-in-charge. (Single length of barbed wire to be measured for payment).

Providing and fixing OMEGA clamp of size 180mmx35mmx3mm and profile plates of size of 180 mmx50.20 mmx2.75 mm of shapes as per manufactures specifications and attached drawings made with MS plate/flat and hot dip galvanised coating of minimum 360 GSM as per IS 2629/IS 4759/ASTM A123/IS 4736 and thermoplast powder coating of minimum 200 microns of colour RAL 6005 using two numbers SS mushroom head bolts with breakable head safty nuts (M8x50 ) and washers for fixing CHS post all complete as per attached drawings,manufactured specifications and as directed by Engineer-in-charge

Total

Add Multiplying factor 0.0633 on DSR Items to change of GST from 12% to 18% @ 6.33% on Total

Total

Less Cost Index @-1.90% on DSR Rate 2021 of Amount

Total