Tender For bid to ras corrigendum : supply of material code: w90311928870 unit oilpurificationsystem for sipat project , material code: w90311928889 oilpurificationsystem (central) for sipat project , supervision of erection & commissioning lump sum per man day charges at site, including every expens , supervision of erection & commissioning lump sum per visit charges (to & fro) including travelling t , performance test of particle size of impurities for lube oil (iso vg-46) as mentioned in sl. no. 5(a)