supply of supply & commissioning of complete bottom block hook assembly with ramshorn hook along with fitment and complete bottom block hook assembly with lifting hook along with fitmentsupply & commissioning of complete bottom block hook assembly with ramshorn hook along with fitment and complete bottom block hook assembly with lifting hook along with fitment,supply of complete bottom block hook assembly with ramshorn hook along with fitment and co mmissioning by supplier firm after dismantling and removal of existing old bottom block assembly and wire rope (s). ramshorn hook: load bearing capacity: 50 t & proof load as per is / standard: is: 5749 - 1970 or latest. (c ertified from nabl approved lab / govt. approved/ govt. test house), material: forged steel, hook thread : sq uare or v-type, is / standard: is: 5749 - 1970 or latest pulley system: pulley system arrangement: 2 + 2. pulle y should have gauge for 26 mm diameter wire rope, pulley dia: 630 mm, no. of pulleys: 4 nos. , no. of fall: 8 no s; wire rope: wire rope type: steel wire rope with fibre core, diameter: 26 mm, classification: right hand ord inary (rho) lay 6*36, tensile designation: 1770 n/mm2, length: 130 meters, is / standard: is- 2266/2002, mak e of wire rope: usha martin, note: the contractor / supplier firm should submit load test certificate & ultra-sonic test certificate of hook and load test certificate of wire rope (issued from nabl approved lab / govt. approved / govt. test house). [ warranty period: 30 months after the date of delivery ] ] , supply of complete bottom block hook assembly with lifting hook along with fitment and commi ssioning by supplier firm after dismantling and removal of existing old bottom block assembly and wire rope(s). hook of load bearing capacity: 10 t & proof load as per is / standard: (is :15560/2005 or latest). (certified from nabl approved lab /govt. approved/ govt. test house);material: forged steel; hook type: c type hook. is / standard: (is :15560/2005 or l