Details: galvanized steel barbed wire -line wire - galvanised steel wire of 2.5 mm diameter point wire - galvanised steel wire of 2.5 mm diameterbarbs - distance betbeen two boards 75mm, the barbs shall have four points and shall be formed by twisting two point wire each two turns, tightly around both the line wire making altogether four complete turns.standard - conforming to is 278:2009 with up to date amendments. rcc fencing poles type - straight length - 2.00 meter dimensions - bottem 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:456:2000reinforcement - 4 round vertical bars of 6 mm diameter. 11 no. of stirrups of 6 mm diameter round ms bars 20 cm center to center. hooks - 5 no., bottom hook should be provided 60 cm above the bottom of the poles, second at 82.5 cm, third hook 112.5 cm. fourth hook at 150cm, t
Sector: Forest and Environment