Repair and maintenance of BS Fence Phase III from BFL Pole No 27 BP No 196MP to BFL Pole No 47 BP No 196 4S in AOR of BOP Kancahantar of 70 Bn BSF under SHQ BSF Malda SH Painting Deweeding and Replacement of barbed wire and concentrina coi

Amount

Surface dressing of the ground including removing vegetation and inequalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m.

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 cement concrete of specified grade xcluding 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)

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

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :One or more coats on old work

Removing of rust by scrapping and sand papering on metal surface and make a surface smooth complete.

P/F G.I. barbed wire. of size 2.50 N/mm (Size designation - 2) type A (weight to be not less than 108 gms per meter length of barbed wire), conforming to I.S. code 278 : 2009 duly dipped in anticorrosive bitumastic paint twice. fixing to the existing M.S. angle iron posts placed at 3.00 mtr c/c and upto height of 20 horizontal rows including 2.5mm dia clips / stapples 50mm long and tightening bolts in horizontal rows, diagonals, and weavings etc complete as per direction of Engineer-in-charge. (Payment to be made per mtr cost of total length of barbed wire used.)

Providing ,laying and fixing of galvanised punched tape concertina coil having galvanised spring steel core wire of 2.6 mm dias cold drawn steel punched tape of low corbon steel having series of sharp barbs uniformly punched along its length, 550 barbs on periphery per revolution crimped on steel spring core wire,galvanised clips, GI steel,wire handle hooked to coil for handling MS square bar spikes hooked to coil having pointed faces for anchorage 1050 mm dia. and weight 15.20 kg per coil including spreading of each coil 10 metre lenght and adequaley tied to existing GI barbed wire fencing and fencing post GI wire of not less than 16 gauge at every 1000 mm spacing ,tying of handle of succeeding coil with proceeding coil with GI wire of not less than 16 gauge , properly anchoring of spikes at start and end of coil in existing precast cement concrete blocks for bottom layer applying anticorrosive bitumastic paint(IS-158) of approved brand and manufacture in black shade on concertina coil to give a smooth and even shade by dipping in paint twice complete as per drawing and direction of Engineer-in-charge.

Credit to Govt. by dismantling and taking away the G.I. barbed wire (including horizontal 50 rows, Diagonal rows and Weiving rows) and concentrina coil of 1050 mm dia (horizontal 04 rows) from existing Phase-III fence fixed with angle iron posts average spacing 3.00 mtr as per standard drawing including dismantling tightening bolts, hooks and GI staples with safety, without damage to steel section or alignment of existing angle iron posts, collecting all the dismantled barbed wires, fittings and fixtures at identified places, removing all such dismantled materials from the site, clearing and cleaning the site from all dismantled materials and small pieces all complete as per direction of engineer in charge.

SANOJ SARKAR

KAMAL SAHA