bids are invited for custom bid for services - supply, installation assistance & commissioning of diesel purifier unit for jack up rig sagar kiran repair and overhauling service operation and maintenance of electro-mechanical installations operation and maintenance of electrical systems/electrical installations repair, maintenance and installation of plant/ systems/equipments testing service for on-board /commissioned equipment/ instrument related to plant supply , installation assitance and commissioning of diesel purifier unit for jur (ongc) supply, installation and commissioning of diesel purifier unit supply of diesel purifier unit including all accessories as per scope of supply. (split up cost to be provided along with offer) supply of two year operational spares as per oem recommneded list. (split up cost to be provided along with offer) total service cost oem supervision for installation assistance & commissioning of new diesel purifier units shall be carried out to the satisfaction of csl/ongc/class surveyors any additional charges, if any (specify) total quantity :