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SCMP Reporter

About $95 million of public money will be saved under a plan to use construction waste in the Penny's Bay reclamation project on Lantau Island.

 More than 10 million cubic metres of construction waste will be used - easing the demand on landfills.

 Senior engineer of the public fill section of the Civil Engineering Department, Ho Ka-keung, said the first and second phases of the reclamation would use construction waste. It would be a good way to tackle the increasing construction waste problem.

 In 1997, the SAR produced six million cubic metres of construction waste.

 This rose to 6.7 million cubic metres in 1998 and was expected to reach 7.3 million this year.

 According to initial plans, the Penny's Bay reclamation, requiring 77 million cubic metres of fill, would be split into two phases.

 The first phase would be completed in about two years to fit in with the proposed Disney theme park at Penny's Bay.

 Mr Ho said about two million cubic metres of fine-quality construction waste would be earmarked for the first phase while at least eight million cubic metres would be used for the second.

 Marine sand from the mainland costs $9.50 per cubic metre.

 The proposed use of construction waste as part of the fill would save $95 million.

 Mr Ho said the figures would be reviewed by the department when a final schedule for the reclamation had been completed.

 'We can always use more if the project allows it. Much is still pending on the final picture of Penny's Bay,' Mr Ho said.

 Chief Executive of Green Power Man Chi-sum proposed that half of the project's fill could use construction waste.

 Secretary of the Fill Management Committee, chief geotechnical engineer David Chang Chung-hung, moved to allay fears voiced by green groups about possible contamination of mainland sand from the Pearl River Delta, saying remaining fill would be brought in from Wailingding Island, where there was almost no contamination.

 Wailingding is 16km south of Lantau Island.

  'There's been a strict system to test imported marine sand.

 'The same mechanism will be in place in the Penny's Bay project,' Mr Chang added.



Use of construction waste for Penny's Bay reclamation to save $95m