tender for purchasing of materials (barbed wire, rcc pole and nilgiri balli pole) for use in forestry works--1 galvanized steel barbed wire :- 1- line wire - galvanised steel wire of 2.5 mm diameter2- point wire - galvanised steel wire of 2.5 mm diameter3- barbs - distance between two boards 75mm, the barbs shall have four points and shall be formed by twisting two ponit wires each two turns, tightly around both the line wires making altogether four complete turns.4- standards - conforming to is-278-2009 2 rcc pole type - straightlength -2.00 mdimensions - bottom 10x10 cm square, top 8x8 cm squarecement concrete mixcement, sand and metal ratio 12:4, with 12.5 nominal size coarse aggregate sand used should be free from elay and salt concrete mix shall be conforming to grade m-15 of is-456:2000reinforcement - round vertical bars of 6 mm diameter, 11 no of stirrups of 6 nun drameter round ms bars 20 em centre to cenire.hooks5 na, bottom hook should be provided 60 cm above the bottom of the pole, second at 82.5 cm, third hook at 1125 cm, fourth hook at 150 cm, top and fifth hook at 195 cm from bottom.manufacturing - in order to ensure desired compressive arenih. rcc fencing poles should be compacted with the help of platform vilaators surface should be uniform and free from voids. the concrete cover aver the reinforcement should not be less than 1.5 cm.