Contract No.


Owner / Developer

China Harbour Engineering Company (CHEC) Limited


Ove Arup & Partners

Location and Project

The Hong Kong Border Crossing Facility Reclamation extends east from the Chek Lap Kok Airport with highway connections to north Lantau and Tuen Mun.  130 Hectares of additional space has been formed to accommodate the non-dredge reclamation, formed using this technique to reduce environmental impact. After placing the reclamation tapered stone columns were installed using vibro-replacement techniques.  

Scope of Works

Approximately 500 No. marine Cone Penetration Tests were carried out prior to and after the stone column installation to verify the success of the strength gain from the stone column installation. The CPTs penetrated the offshore soft marine deposits overlying the stiffer underlying Alluvium to a maximum depth of about 25m below sea bed level.  Actual and idealized records showing strength improvements are presented below.

Year of Completion


Ground investigation

Marine Cone Penetration Testing (CPT), Hong Kong Zhuhai Macao Bridge, Hong Kong Boundary Crossing Facilities (BCF), Reclamation Works