bids are invited for lightning arrester (conventional type) material (copper-cu/alluminium-al/copper bonded-cub/standless steel-ss):copper bonded rod diameter(mm):16 type of rod(solid-sol/hallow-hal):solid length(mtr):1.2 nos of spike:5 spike diameter(mm):8 protection radious (mtr):60(level-4) standard:iec 62305 additional information:rated short time current-30 ka rms 1 1700392510 3 earthing strip size in mm:50 x 06 length in mtrs:6 material: galvanized iron (zinc coating) zinc coating range (light-l/medium-m/heavy-h):heavy standard:is 12776:2002 1700179107 earthing strip size in mm:25x3 material:gi zinc coating range (light-l/medium-m/heavy-h):heavy standard:is 2629 m 500 kg 300 4 1600667191 pipe moc:3 m gi type:smls standard/grade:is:1239 (part-1) thickness:3.6 nominal diameter:dn50 no 100 5 1100000031 charcoal mt 1 6 1700010626 crystal common salt, crystal common salt for electrical earthing work total quantity : 2001