Date: 27 August 2022 (Sat)
Time: 9:00 am to 1:00pm
Location: Assembly at Cheung Chau Public Pier
The Government of HKSAR has developed Integrated Waste Management Facilities (IWMF) that aim to substantially reduce the bulk size of mixed municipal solid waste (MSW) and recover useful resources adopting the advanced incineration as the core treatment technology. It will minimize the landfilling of waste significantly, thereby extending the useable life of landfills. The IWMF are to be developed in phases. The IWMF Phase 1 (I·PARK1) with a treatment capacity of 3,000 tonnes of MSW each day started construction since 2017 and is expected to commence operation in 2025.
I·PARK1 is being built on a 16 hectares large (including the area of breakwater) artificial island near Shek Kwu Chau facing the South China Sea. The artificial island is mainly constructed by non-dredged method, where the marine mud underlying the reclamation, including the seawalls and breakwaters, is left in place, to minimize impact on water quality. Deep cement mixing (DCM) method is adopted to treat in-situ mud, which improves its strength to control settlements of the reclamation to within acceptable limits and ensures the stability of the seawalls. Large caissons up to 20(L)x25(W)x20(H) m and 3,800 tonnes are precast in an off-site yard, delivered to the site by a semi-submerged barge, and installed to form the breakwater, quay wall and seawall of the Artificial Island. The blockwork seawall facing Shek Kwu Chau is constructed as environmentally friendly eco-shorelines with features to provide more suitable habitats for colonisation of intertidal and subtidal species and thereby enhance the ecological functions of the coastal habitats.
During this site visit, participants will first gather at a ferry pier, visit the Cheung Chau Information Office, and then travel by boat to the site of the Artificial Island. An experience sharing session on the works and challenges of the project with emphasis on geotechnical aspects, such as deep cement mixing, reclamation, seawall construction, bored piling, etc., will then be provided, followed by a site walk on the newly formed island for a close touch of the advanced design and construction of the project, as well as witnessing various foundation works, such as bored piles, driven H-piles and pre-bored rock-socketed H-piles.
Fee: Free of Charge
Registration & Enquiries:
For enquiries, please contact Ir Tim Leung at 9627 6889 or Mr. Matthew Lo at 6317 3791
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