cleaning of clogged materials from the submersible pumps as and when required at chakgaria ,rajapur,jorabridge and rajdanga drainage pumping station.-1 withdrawl of duct foot bend type submersible pump inside the pump house /pump house compound from its base under the sump chamber with the help of diver [ as either the pump is covered with silt or chain attached with the pump has shared] after disconnection of power cable from the pump starter and keep in a safe position taking all safety measures, checking, inspection and cleaning after removing the sludge from the pump and installation and commissioning after proper alignmentto its original position including electrical connection complete in all respect as perdirection of e.i.c.