Border Security Force Tender

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared.

Providing and laying in position excluding cement concrete of level: specified grade the cost of centering and shuttering - All work up to plinth1:3:6 (1 Cement : 3 coarse sand (zone-Ill) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources)

1:5:10 (1 cement : 5 coarse sand (zone-Ill) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources)

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with :Cement mortar 1:6(1 cement :6 coarse sand)

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.

Providing and fixing on wall face 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, (i) Single socketed pipes.110 mm diameter

Dismantling barbed wire or flexible wire rope in fencing including making rolls and stacking within 50 metres lead.

Providing and fixing barbed wire of size 2.5mm x2.0mm type lows type (weight to be not less then 108 gms per meter length) conforming to I.S code to I.S code 278 duly dipped in anticorrosive bitumastic paint (average thickness 45 micron) fixing to the existing M.S angle iron posts placed at 3.m c/c in 20 horizontal rows (13 rows in vertical portion and 7 rows in slanting portion and strechd with M.S hooks/tighting bolts and also properly inter woven with two sets of cross diagonals as per drawing (one on vertical portion and other on slanting portion) with G.I barbed wire of same sepecification, fixing each row of barbed wire to intermidate angle iron post between tightening bolts with spilt cotter pins of size 5x22 (conferming to IS-549 steel), including providing vertical standard of G.Ibarbed wire of same sepecification properly inter woven with horizontal raw of barbed wire at 150 C/C spacing up to height of seven rows of barbed wire above ground level, each vertical strand adequately tied at three staggered place with G.I barbed wire not less than 16 gauge, applying three coat of alkyd zinc phosphate primer / paint approve brand and manufacture ( first coat of red oxide colour, second coat in grey colour and top coat in black colour) on tightening bolts, hooks & cotter pins, nuts washers & bolts, all as per direction of Engineer-in-charge. (Single length of barbed wire to be measured for payment).

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, duly dipped in anticorrosive bitumastic paint, 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 for not less than 16 gauge, proper anchoring of spikes at start and end of the coil with C.C. block of size 200 mm x 200 mm x 200 mm in C.C. 1: 2: 4 ( 1 cement: 2 coarse san : 4 graded stone aggregate 20 mm nominal size) all as par direction of Engineer-in-charge

Add cost index @ 34.58% on SR & DR total 8,50,178.00