tender for total lump sum prices for visits as per item description., cost of supervision for services as per technical specification, except 22 and 23 - total lump sum prices for visits -should include travel expenses to- fro site, visa- insurance ,if applicable, intermediary stay for supervision of assembly, erection and commissioning, trial run at site and taining to o and m staffs including technical support during implementation of logic and fat of bhel dcs.