cleaning of clogged materials from 6 nos. submersible pumps as and when required at topsia point a and ambedkar 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 is sheared). after disconnection of power cable from the pump starter and keep in sfe position taking all safety measures. checking, inspection and cleaning after removing sludge from the pump and installation and commissioning after proper allignment to its original position including electrical connection complete in all respect as per direction of e.i.c.