The Drainage Services Department signed a $27.8 million contract with the Contractor Granville Civil Limited on 11 February 2014 to carry out the condition survey for underground sewers and drains at various locations.

The Contract comprises condition survey for existing underground sewers and drains on Hong Kong Island, Kowloon and the New Territories.  It also includes laying of a 800mm diameter sewer at Percival Street and laying of 150mm to 300mm diameter drains at Chatham Road South.  The Contract is scheduled for completion in end 2015.