tender for upgradation of hydrogen filling facility at varanasi , supply of the following items as per the specification under scope of supply , miscellaneous , high-pressure two-stage diaphragm compressor, 100 nm³/hr at 500 bar, with plc panel for non-hazardous area and flameproof local start/stop emergency panel , high-pressure type iv carbon fiber cylinders compatible with 550 bar for buffer storag , interconnection piping for buffer cylinders with cone-and-thread fittings , hydrogen dispenser conforming to iso 19880-2 with breakaway coupling, h35 hf nozzle, pt & tt, digital display unit, sae j2601-2 filling algorithm, 5 m hose (962.5 bar), and coriolis mass flow meter , additional high-pressure piping from compressor to buffer and dispenser, mawp 550 bar with cone-and-thread fittings , vent stack conforming to cga g-5.5 with interconnecting piping , purging panels , documentation and drawings for peso and other statutory approvals , installation and commissioning of supplied item , transportation and delivery charges up to varanasi , fire and safety equipments as per pts , civil works at site , man day rate for manpower assistance per-day