bids are invited for custom bid for services - comprehensive operation and maintenance contract (comc) of 20 nos. tipper truck for 2 years.; comprehensive operation and maintenance contract (comc) for 20 nos. tipper truck, the rate included 20 nos. driver and 02 no. supervisor for operation of machine/ vehicle, preventive maintenance (i/c regular inspection, servicing, and replacements to prevent breakdown), scheduled maintenance (engine, hydraulic system, cooling system, electrical system) and breakdown maintenance including spares and consumables. the rate to be quoted also inclusive of staff required for attending onsite / offsite, major / minor repair & maintenance work and any misc. supporting facilities including t&p required for the efficient maintenance of the fleet.