supply of tree guard tree guard for saplings to be planted , mild steel round 18 inch tree guard - type- cylindrical 03 nos. ms angle - angle size - 19 mm, lenth 6 feet. 03 nos. ms patti - size - 20 mm weldmesh jali - size - 14mm guage, 40 mm hole, length - 4.60 feet. total weight - 6.50 to 7 kg. total height - 6 feet colour - green with inscription of gim nf { k.k oue.my iuuk** , hooks - 7 no., top hook should be provided 100 cm below the top of poles, and bottom hook should be provided 500 cm above the bottom of poles. the central distance between the top and bottom hooks shall be equally divided to fix remaining hooks. manufacturing - in order to ensure desired compressive strength, rcc fencing poles should be compacted with the help of platform vibrators, surface should be uniform and free from voids. the concrete cover over the reinforcement should not be less than 1.5 cm.