Repair and maintenance of IBB Fence in AOR of 110 BN BSF under SHQ BSF Jowai

Amount

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

Fencing with angle iron post placed at required distance embedded in cement concrete blocks, every 15th post, last but one end post and corner post shall be strutted on both sides and end post on one side only and provided with horizontal lines and two diagonals interwoven with horizontal wires, of barbed wire weighing 9.38 kg per 100 m (minimum), between the two posts fitted and fixed with G.I. staples, turn buckles etc. complete. (Cost of posts, struts, earth work and concrete work to be paid for separately). Payment to be made per metre cost of total length of barbed wire used. With G.I. barbed wire

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

REUBEN RYNJAH