supply of (1) set of metallic pipes for main transformer of 3-phase locos as per clw spec. no. clw/es/3/0253 alt-r. (2) set of bend pipes from radiator to mph and transformer for 5400 kva transformer of wap4 locos.(1) set of metallic pipes for main transformer of 3-phase locos as per clw spec. no. clw/es/3/0253 alt-r. (2) set of bend pipes from radiator to mph and transformer for 5400 kva transformer of wap4 locos.,set of bend pipes from radiator to mph and transformer for 5400 kva transformer of wap4 lo cos. set consists of 2 items each 1 no. as follows - (1) ss oil cooling pipe with flange as per ransal drg.no. ripl/top/03 (top-big) or as per bhel drg no.34661950036 rev-4. (2) ss bellow with attachment as per r ansal drg.no.ripl/top/03 top-small or as per bhel drg no.44661950085 rev-01. [ warranty period: 30 months after the date of delivery ] ] , set of metallic pipes for main transformer of 3-phase locos as per clw spec. no. clw/es/3/02 53 alt-r. set consisting of 02 items as follows - (1) pipe c of clw drg. no. clw/es/3/sk-4/0253 alt-r, qty/s et = 01 no. (2) pipe g of clw drg. no. clw/es/3/sk-7/0253 alt-r, qty/set = 01 no. [ warranty period: 3 0 months after the date of delivery ] ]