tender for supply and construction of security fence ( weld mesh ) 02 km- 1 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 : 2667 x 955mm : 24.44 kg ( + / - 5% ) . metallic coating : the wires should be hot dip galvanized as per is 4826-1979 and amendment thereafter powder coating:the panels are after welding subsequently polyester powder coated. layers has a thickness of 60-80 microns.color: ral 6005 powder coating should withstand 1000 hours of salt spray test. ( type test certificate to be provided ) . wire tensile strength: min 500 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: nc / lc / a8 / v2.2. material: ms. mesh wire: dia: 4mm: is 280 2006. coating: is 4826 – 1979. weld mesh as per : en 10223-7, en 10245-1. 2 concertina coil: 1050 mm dia / 56 loops / 2.5 mm core wire.coil diameter: 1050 mm. type of strip: heavy galvanized ( is 1730 ) .type of core wire: heavy galvanized ( is 280-2006 ) . core wire diameter: 2.50 mm dia. zinc coating to strip: minimum 200gsm / sqmm. zinc coating on wire: minimum 275 gsm / sqmm ( is 6745-1972 reaffirmed 2006 ) . tensile strength of wire: 1400 – 1500 n / sq.mm.weight: 14.63 kg ( + / - 5% ) . number of loops: 56.blade length: tear blade length 22 mm.barb profile: medium blade ( mbbt ) . distance between barb: 35 mm. stretchable length: 12 mtrs. type of clip: hardened steel in galvanized steel. 3 fence post: type : circular hollow material: ms steel tube ( is 1161 ) . dimensions: 76mm dia, 3.2 mm ( +10% ) thickness. length : 3345mm ( + 5% ) ( 2745 mm above ground level + 600 mm under the ground level ) . coating: hot dip galvanized as peris 4736 andamendmentsthereafter. 4 clamps:omega clampwith profile cover plate to tighten the mesh panel along the posts with diameter 76 mm, 35mm width and 3mm thick flat - 35mm width, 3mm thick ( ms strip as per is 1730 ) ( 7 nos per post ) . each clamp will be supplied with a pair of ss 304 mushroom headed, square necked bolts and security nuts m8 x 50 ( is 8535-1987 ) .coating: hot dip galvanized as per is 2629 / is 4759 / astm a 123. 5 straining y-arm for supporting top ptcc: material: ms angle size: 50x50x5 mm. length: 750 mm of one arm. coating: hot dip galvanizing as per is 2629 / is 4759 / astm a 123. outer diameter 79 mm of sleeve cap, bolted on the top of the fence post. straining post will be installed at every 2.5 meters. accessories for fitting y arm :- ( i ) mushroom head bolt with breakable head safety nut ( m8x120 ) ( 2 nos per post ) : material : ss 304. 6 high tensile barbed wire: material: high tensile heavy galvanised mild steel wire for line wire & high tensile barb wire is made of higher carbon steel approximately 0.28%. specification of line wire - diameter: 3.15 mm, coating: zinc coating 290 gsm, tensile strength: 1450-1650n / sqmm. all as per is 432-2. specification of barb wire- diameter: 2mm, coating : zinc coating 240 gsm, tensile strength : 450-600 n / sqmm, barbing pitch: 100 mm ( in conformance with is 4826-1979 ) , barb type : 4 point iowa style, strands: single. ( 6 row ) 7 anchor rod : 10 mm dia 300mm long gi rod tie with fence post atbottom using tie wire. ( 02 nos for each post ) 8 cement of 43 grade opcin sealed bags each weighing 50 kgs.the date of manufacture of cement should not be more than one month prior to the date of delivery.make : jk laxmi / acc / ambuja / ultratech or equivalent to is 8112 / 1989 9 river sand coarse as peris-2116-1980. 10 crushed stone aggregate20mm grade conforming to is 383-1970. 11 supply of store at rajouriand poonch, shifting of store from for to worksite and construction of 02 km of security fence ( weld mesh )