bids are invited for annual rate contract for repair maintenance and calibration amc preventive visit atleast two times a year lump sum estimated unit cost , rewinding of motor of pm10 s ler , rewinding of pump of pm2.5 s ler , change of washer of pump of pm2.5 s ler , change of one no. of patti of pump of pm2.5 s ler , change of one no. of metal ring of pump of pm2.5 s ler , replacement of motor of pm10 s ler , replacement of pump of pm2.5 s ler , replacement of one no. of manometer of pm10 s ler , replacement of water tank of pm10 s ler , replacement of silicone pipe in pm10 s ler , replacement of one no. of data logger of pm2.5 s ler , replacement of one no. of downpipe of pm2.5 s ler , replacement of one no. of 6 mm pu pipe of pm2.5 s ler , replacement of one no. 8 mm pipe of pm2.5 s ler , replacement of one no. of wins impactor of pm2.5 s ler , replacement of one no. of inlet cap of pm2.5 s ler , repair of one no. of stablizer change of relay of dust s lers , repair of one no. of stablizer change of display card of dust s lers , replacement of one no. of stablizer total quantity : 1173