tender for purchase of galvanised steel chain link fence, reinforced cement concrete fencing poles, galvanised steel barbed wire , galvanised steel chain link fence mesh wire - galvanised steel wire of 3.15 mm diameter fabric size - 100x100 mm height - 150 cm line wire - 2 numbers of line wires of 4.00 mm diameter standard - conforming to is-2721-2003, with up to date amendments , galvanised steel chain link fence - fabric - size 100x100 mm, dia 4.00 mm mesh wire and 4.50 mm dia line wire 2 nos. upton 2mtr. width and 3 nos. above 2 mtr. standard - conforming to is-2721-2003 certificate compulsory , reinforced cement concrete fencing poles height - 2.0 m type - straight, length - 2.00 m dimensions - bottom 10x10 cm square, top 8x8 cm square cement concrete mix - cement, sand and metal ratio 1:2:4, with 12.5 nominal size coarse aggregate. sand used should be free from clay and salt. concrete mix shall be conforming to grade m-15 of is:456:2000 reinforcement - 4 round vertical bars of 6 mm diameter. 11 no of stirrups of 6 mm diameter round ms bars 20 cm centre to centre. hooks - 5 no, bottom hook should be provided 60 cm above the bottom of the pole. second at 82.5 cm, third hook at 112.5 cm, fourth hook at 150 cm. top and fifth hook at 195 cm from bottom. manufacturing - in order to ensure desired compressive strength, reinforced cement concrete fencing poles should be compacted with the help of platform vibrators. surface should be uniform and free from voids. the concrete cover over the reinforccment should not be less than 1.5cm , galvanised steel barbed wire line wire - galvanised steel wire of 2.5 mm diameter point wire - galvanised steel wire of 2.5 mm diameter barbs - distance between two boards 75mm, the barbs shall have four points and shall be formed by twisting two point wires each two turns. tightly around both the line wires makig altogether four complete turns. standard - conforming to is-278-2009