Airfield Operations Simulation
Atkins was responsible for undertaking the simulation of the airfield operation at the Hong Kong International Airport using SIMMOD. SIMMOD is an airfield and airspace model that simulates the movement of aircraft through a network representing an airport and its surrounding airspace. By applying air traffic control and ground movement procedures, aircraft are programmed through the entire system until a flight is either terminated at an airport gate or has departed the airport's airspace.

The SIMMOD model was used to establish the need for, and layout of holding areas, taxiways, rapid exit taxiways and runways in order to ensure the effective and efficient movement of traffic at different phases of the airport's development. It also established the declared and saturation capacities of the airfield at each phase of development. The model also showed that the practical capacity of the two-runway system was very dependent on the mode of operation employed by the Air Traffic Controllers.

Southern Runway and Taxiways
Atkins was responsible for the airfield pavement design of the Southern Runway and associated Taxiways at the Hong Kong International Airport. The scope of design work included a 3.8 km long and 60m wide runway, three parallel taxiways, two cross airfield taxiways, seven high speed exit taxiways and the aprons for the main passenger terminal, the cargo terminal, the aircraft maintenance area and the business aviation centre. The total area of airfield pavement was 2.5 million square metres, of which 1.9 million square metres was located on reclaimed land. Three different types of pavement type were developed after careful consideration of cost, magnitude of differential settlement, importance of ride quality, fuel resistance and resistance to static and channelised loads.

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Northern Runway and Taxiways
Atkins was responsible for the airfield pavement design of the Northern Runway and associated Taxiways at the Hong Kong International Airport . The runway and associated taxiways were designed to ICAO Code F standards to cater for the ultra-large aircraft A380. The pavement design developed built upon the value engineering-derived pavement types used for the earlier Southern Runway and associated Taxiways. These pavement types made use of locally available aggregates to form un-bound base courses for the runway and taxiway construction, which not only saved the cost of providing an expensive binder such as bitumen but also gave a pavement construction which would not be affected by the settlement of the reclaimed airport platform. The pavement design was also developed to enable construction to be undertaken within a busy airport operating environment.

NW Passenger Apron
Atkins was responsible for the design of the North West Passenger Apron at the Hong Kong International Airport . The apron was designed to accommodate 12 Code E frontal stands. Design works involved the co-ordination of all utilities and services including the combined drainage and oil separation system, the combined potable water and fire fighting system, the aviation fuel supply system, the fixed ground power system, the apron floodlighting system, and an extension to the SCADA system. The pavement was designed as a block pavement type taking account of the residual ground settlement in the reclaimed land below the apron.

Aviation Fuel Jetty and Pipeline
Atkins, in a joint venture partnership, was responsible for the detailed design of the Aviation Fuel Receiving Facility for the Hong Kong International Airport . The multi-disciplinary design team included engineers and specialists from Atkins Group under the management of Atkins China Ltd. The works included the design of an off shore jetty and a 5km long sub-marine pipeline from the jetty to the Aviation Fuel Tank Farm located within the airport site. The jetty was sized to accommodate two 10,000 tonne fuel tankers. The jetty was also located close to an area inhabited by Chinese White Dolphins, hence environmental mitigation measures were incorporated into the design which was vetted by the client's Environmental Team.