corrigendum : supply of set of flame retardant and quick release coupling hose assembly , set of flame retardant and quick release coupling hose assembly for 6500 kva 3 phase l oco main transformer as per clw spec no. clw/es/3/0456 alt e (or) latest consisting of 4 items / 11 nos.. 1. connecting hose complete with nipple of size 1/2 inch, length 3150mm, abb id :3ehp431215 r0001 and as per clw drg no : clw/es/3/sk-2/0456 - 2 nos/set 2. connecting hose complete with nip ple of size 1/2 inch, length 6500mm, abb id :3ehp431217r0001 and as per clw drg no : clw/es/3/s k-2/0456 - 1 no/set. 3. quick coupling male abb id : hstn 422023p0013 & female abb id : hstn 422 023p0003 and as per clw drg no : clw/es/3/sk4/0456 - 6 nos/set. 4. elbow union abb id : hbtb 416 410p0016 and as per clw drg no: clw/es/3/sk-5/0456 - 2 nos/set. [ warranty period: 30 months af ter the date of delivery ] ]