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Hong Kong International Airport Terminal 1 Annex and Car Park 4 Expansion

Project data

Location: Hong Kong, Hong Kong

Hong Kong International Airport plans to expand and address ever growing number of airport customers, this project will provide an additional passenger area and a car park.

Estimated completion year: 2022


  • To construct the cantilever slab in height without using falsework from ground
  • To continue construction works above while providing safe traffic access below


Leighton Asia

Customer's benefit

  • Reduced falsework requirement to cantilever slab structure in 48 meters above ground
  • Reduced labour costs
  • Provided clear opening below for traffic while continuing construction works above
  • Minimal tower components, easy to erect and dismantle

PERI solution

  • SB Bracket Cantilever Platform assembly in ground for optimum safety
  • Alpha 300kN and VST 700kN single leg load to carry falsework and concrete load

PERI systems in use