bids are invited for repair and maint of ro palnt and sup of misc items supply and fixing of carbon filter , supply and fixing of sediment filter , supply and fixing of candle , supply and fixing of membrane , supply and fixing of water jug 25 ltr ro , supply and fixing of pump 50 ltr ro , supply and fixing of big candle , supply and fixing of membrane housing , supply and fixing of sv , supply and fixing of smps , supply and fixing of pipe large , supply and fixing of pipe small , ro fitting with accessories , 500 ltr ro commercial membrane change , 500 ltr ro jumbo change , 500 ltr ro motor repair , service charge of 25 ltr and 50 ltr ro , service charge of 500 ltr ro , shifting of 500 ltr plant total quantity : 173