The work of installing a 900 mm valve at a pumping station at Panjrapur will be carried out on Thursday. As a result of which there will be a 10 per cent cut in water supply to the western suburbs, south Mumbai (excluding F South and F North ward) and L and N wards in the eastern suburbs. 

The new pumping machinery of the capacity of 80 MLD per day will be added to the existing sets at Panjapur pumping station. The installation of a new valve is necessary before setting up the new machinery, officials have said.