supply of oil cooling unit for transformer/converter with aluminium impeller and casting 30 kwmotor as per rdsos spec. no.-rdso/2016/el/spec/0123(rev.-1). motor should be provided as per rdsos spec.no.-e-10/3/09 (amendment no.-01 to 06 ) , oil cooling unit for transformer/converter with aluminium impeller and casting 30 kw m otor as per rdsos spec. no.-rdso/2016/el/spec/0123(rev.-1). motor should be provided as per rdso s spec.no.-e-10/3/09 (amendment no.-01 to 06 ) [ warranty period: 30 months after the date of deli very ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]