January 3: Two 34-storey Home Ownership Scheme blocks in Yuen Chau Kok, Sha Tin, are found to have only three piles out of 36 that meet required standards. January 21: Decision taken to demolish the two blocks in Sha Tin. February 15: Housing Authority insists five blocks of flats in Tin Shui Wai with seriously defective piling will not be demolished but repaired. May 25: An independent inquiry into the Sha Tin scandal points to 10 Housing Department staff but clears senior officials, including Ms Wong and Mr Miller. May 25: The Chief Executive rejects criticism of Ms Wong and Mr Miller over the Sha Tin piling scandal. May 31: The Ombudsman announces an investigation into the management of construction projects by the authority and the Housing Department. June 2: Three men convicted for taking part in the Tung Chung Station piling scam. June 10: Housing officers launch a campaign to oust their bosses, who they say were trying to shift blame for the scandals on to workers. June 13: A new government panel chaired by Director of Intellectual Property Stephen Selby set up to probe possible civil service misconduct over faulty piling. June 14: Democratic Party legislator Fred Li Wah-ming proposes a vote of no confidence in Ms Wong and Mr Miller. June 22: Gary Cheng Kai-nam of the Democratic Alliance for the Betterment of Hong Kong and Law Chi-kwong of the Democratic Party quit the Housing Authority and other members vow to resign if the vote succeeds.