bids are invited for repair and overhauling service - ground power unit; as per buyer scope of work; yes; buyer premises air electrical department (ald) is nodal department at ins utkrosh for providing second line support to dornier & alh mk iii aircraft, and other visiting aircraft viz an32, c-130j, c-295 etc, operating from this station. the responsibilities of this department includes maintenance of air electrical gse held with the department, ground power unit (gpus) are utilized by frontline squadrons for aircraft start-ups and during aircraft ground maintenance. ground power unit tyres should be reliable and efficient to ensure smooth operations. however, due to wear and tear, the current tyres and sleeves of gpus are deteriorated and are not suitable for operations, therefore requirement for replacement of the aforesaid items is critical total quantity :