internal clearance of dhulkot disty rd 0 to 18000 , clearance of heavy weed , jalla , della , sarkanda , jungle , silt , etc . manually inner section of lined channel 0 to 0 . 283 cumecs , clearance of heavy weed , jalla , della , sarkanda , jungle , silt , etc . manually inner section of lined channel 0 . 283 to 1 . 42 cumecs , clearance of heavy weed , jalla , della , sarkanda , jungle , silt , etc . manually inner section of lined channel 1 . 42 to 2 . 83 cumecs , clearance of heavy weed , jalla , della , sarkanda , jungle , silt , etc . manually inner section of lined channel above 2 . 83 cumecs , clearance of medium weed , jalla , della , sarkanda , jungle , silt , etc . manually inner section of lined channel 0 to 0 . 283 cumecs , clearance of medium weed , jalla , della , sarkanda , jungle , silt , etc . manually inner section of lined channel 0 . 283 to 1 . 42 cumecs , clearance of medium weed , jalla , della , sarkanda , jungle , silt , etc . manually inner section of lined channel 1 . 42 to 2 . 83 cumecs , clearance of medium weed , jalla , della , sarkanda , jungle , silt , etc . manually inner section of lined channel above 2 . 83 cumecs , clearance of light weed , jalla , della , sarkanda , jungle , silt , etc . manually inner section of lined channel 0 to 0 . 283 cumecs , clearance of light weed , jalla , della , sarkanda , jungle , silt , etc . manually inner section of lined channel 0 . 283 to 1 . 42 cumecs , clearance of light weed , jalla , della , sarkanda , jungle , silt , etc . manually inner section of lined channel 1 . 42 to 2 . 83 cumecs , clearance of light weed , jalla , della , sarkanda , jungle , silt , etc . manually inner section of lined channel above 2 . 83 cumecs , any other item