supply of set of metallic pipes for main transformer of 3-phase locosset of metallic pipes for main transformer of 3-phase locos,set of metallic pipes for main transformer of 3-phase locos as per clw spec. no. clw/es/3/02 53 alt-q. set consisting of 07 items as follows. (1) pipe a. qty/set. = 01 no., (2) pipe b. qty/set. = 01 no., (3) pipe b1. qty/set. = 01 no., (4) pipe c. qty/set. = 01 no., (5) pipe d. qty/set. = 01no., (6) pipe f. qty/ set. = 01 no., (7) pipe g. qty/set. = 01no. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]