Tender For concertina coils 1050 mm dia providing and fixing of fencing with punched tape concertina coils (ptcc) conforming to defence specification no. ind/engg./pro/1245 b or cqae/5660/1602a & its connected drawing and 1050mm dia in close condition after streshing 10 meter dia should be 915 mm reinforced barbed tape (rbt) in pyramid shape i.e. 3 tiers row at bottom and one at top the five rows of rpt to be fixed between angle 50 x 50 x 6 mm at a distance of 3.0 mt. centre to centre height 2.00 mt. above ground level.. 20th bn. bharat rakshit vahini (ir) parsada, dist. –mahasamund