procurement of anti intrusion perimeter fence stores / items for operational works for fy 2020-21-weld mesh panels. should produced by electrical resistance welded galvanized wires and subsequently powder coated as per below spec. mesh wire : horizontal wire, dia 4.0 mm ( + / - 0.05mm ) : vertical wire, dia 4.0 mm ( + / -0.05mm ) mesh size: mesh size of 12.7 x 76.2 mm along mesh ( mesh wire: is 280 2006 ) . panel size : 2667x955mm weight : .90 to 24.05 kg. metallic coating : the wires should be galvanized and the min zinc weight for the horizontal and vertical wires is zinc coated, 40 to 50 gsm, powder coating : the panels are after welding subsequently polyester powder coated, layer have a thickness of 60 to 80 microns. colour : ral 6005 powder coating should withstand 1000 hours of salt spray test ( type test certificate to be provided ) . wire tensile strength : min 550 n / sq.mm. weld strength: the average weld shear strength of 4 welds taken at random shall not be less than 50 % of the breaking strength of the vertical wire note : high security weld mesh is been installed at the bottom. ref drawing no : 269 engr regt : nya / 20-21 / aipf sheet 1 / 3 ( sketch-p ) . material: ms. mesh wire: dia:4mm : is 280 2006. coating : is 4826 – 1979.weld mesh as per : en 10223-7 ) , en 10245-1. ( 1200 nos per km ) ( delivery at sonmarg ( j&k ) ) , omega clamp. omega clamps with profile cover plate to tighten the mesh panel along the post with 76mm dia, 35mm width, 3 mm thickness. ( ms strip as per is 1730 ) ref drg no 269 engr regt nya / 20-21 / aipf sheet 1 / 2 ( sketch-q & r ) . coating: hot dip galvanized to minimum 350 gsm as per is 2629 / is 4759 / astm a 123. ( 2800 nos per km ) ( delivery at sonmarg ( j&k ) ) , mushroom head bolt nut with washer. each clamps will be supplied with a pair of ss 304 mushroom headed, square necked bolts and security nuts m8 x 50 ( is:8535-1987 ) . washer specification material: ss 304, od : 15.89mm, id : 8.38 mm, thickness ; 2.04mm ( 5600 nos per km ) . ( delivery at sonmarg ( j&k ) ) n