supply of supply and installation of 25 ton lifting tackle for icf & lhb coaches , supply and installation of 25 ton lifting tackle for icf & lhb coaches as a set as per drg goc/ p/sk-1-16337 ,alt nil . each set of lifting tackle consists of two lifting arm assembly of 12.5 ton capacity eac h and a spreader beam assembly of 25 ton capacity. proof load test certificate in original from a nabl accr edited / government approved test house should be submitted along with the tackle. the spreader beam a ssembly of the tackle shall be as per drawing no. goc/p/sk-2-16336, alt nil. necessary gamma ray test sh all be performed & certified by a reputed welding research institute or nabl accredited / government appr oved test house to ensure no weld defects. [ warranty period: 30 months after the date of delivery ] ]