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| 1 | Removing and cleaning choke up of drainage lines of all diameters by mechanical means or manually for all depths including necessary, excavation, dewatering, tools plants, machinery, labour, safety devices, shoes and hand gloves to labour, rope, ladder, disposing the waste removed from drainage lines to a suitable place within 100 m lead etc. complete. ( Rates excluding GST) |
| 2 | Removing choke up and cleaning of drainage manhole chambers of 1.00 m and 1.20 m (inside) dia of all depths using mechanically means or manually including dewatering, using all labour, machinery, safety devices, shoes and hand gloves to labour, rope, ladder, disposing the waste to a suitable place within 100 m etc. complete. ( Rates excluding GST) |
| 3 | Removing the sludge from the CLF/ Sump and disposing upto a lead of 100 mtr. |
| 4 | Providing 10 HP dewatering pump sets for pumping water from sump pit on hire basis. |
| 5 | Providing unskilled labours for cleaning side wall and columns of sump as per the instructions of engineer incharge etc complete. |
| 6 | Underwater cleaning of 800 HP VT pump strainers at raw water pump house thoroughly underwater upto depth more than 6m & raw water inlet channels thoroughly above water level and underwater upto depth more than 6 mtr by engaging expert divers, supervisor including breathing apparatus, diving equipments & required tools etc. complete or as directed |
| 7 | Monthly charges for removing of rubbish, weeds etc thoroughly above water level from the mouth of both the raw water open inlet channels having 6 mtr wide and entangled foreign material cleaning to the outer trash racks at raw water works, by engaging expert divers & including floating platform etc. complete as directed. |
| 8 | Removing choke up and cleaning of drainage manhole chambers of 1.00 m and 1.20 m (inside) dia of all depths using mechanically means or manually including dewatering, using all labour, machinery, safety devices, shoes and hand gloves to labour, rope, ladder, disposing the waste to a suitable place within 100 m etc. complete. ( Rates excluding GST) |
| 9 | Providing 10 HP dewatering pump sets for pumping water from sump pit on hire basis. |
| 10 | Removing the sludge from the CLF/ Sump and disposing upto a lead of 100 mtr. |
| 11 | Providing unskilled labours for cleaning side wall and columns of sump as per the instructions of engineer incharge etc complete. |
| 12 | Underwater cleaning of 1100 HP VT pump strainers at raw water pump house thoroughly underwater upto depth more than 6m & raw water inlet channels thoroughly above water level and underwater upto depth more than 6 mtr by engaging expert divers, supervisor including breathing apparatus, diving equipments & required tools etc. complete or as directed |
| 13 | Monthly charges for removing of rubbish, weeds etc thoroughly above water level from the mouth of both the raw water open inlet channels having 6 mtr wide and entangled foreign material cleaning to the outer trash racks at raw water works, by engaging expert divers & including floating platform etc. complete as directed. |
