bids are invited for a picket - ‘a (revised) picket of size 75mm x 75mm x 6mangle 4.215m long measured along the internal dimension incl v swan nech with min weight of 28.662 kgs with tolerance +/- 5% with one coat of red oxide. make tata/jindal/sail. (delivery at battal) , b picket - b(revised) picket of size 65 mm x 65 mm x 6 mm angle 2.55 m long, min weight 14.79 kgs with tolerance +/- 5% with one coat of red oxide with holes and hotched. steel to be conforming to relevant is specification. make: tata/jindal/sail.(delivery at battal) , c picket - c (revised) picket of size 65 mm x 65 mm x 6 mm angle 2.25m long, min wt 13.05 kgs with tolerance = +/- 5% with one coat of zinc chromate primer with holes and notches. steel to be isi marked. make : tata/jindal/sail. (delivery at battal) , d picket - d picket of65 x 65 x 6 mm angle, 1.35 m long min wt 7.83 kg with tolerance +/- 5% with one coat of red oxide with holes and notches. steel to be isi makes. make : tata/jindal/sail. (delivery at battal) , saip - saip 50x50x6mm 2.5 feet longminimum weight 3.375 kg each saip make tata/sail/jindal (isi marked) (delivery at battal) , laip - laip 50x50x6mm 1800mm longminimumweight 8.1 kg each laip make tata/sail/jindal (isi marked) (delivery at battal) , concertina coil with 1050 mm dia - punched tape concertina coil (including spike handle) with 50 turns and dia 1050 mm having a 2.6 mm dia core wire of high carbon spring steel of high tensile strength. the punched tape and core wire are electrogalvanised to provide protection against outdoor exposure. the punched tape is machenically crimped over the cover wire and then formed in to a coil at various parts of the peripheryof the coil steel clips connect the individual turns of the coil to each other so that it opens up like an accordion. the width of barbed as 9mm and spacing of clips 23.5 mm to 24.5 mm c/c the weight of each coil will be 15.2 +5% kgs without packing material and coil length 12 mtr when opened up. each coil woun