Project Name: Suvarnabhumi Airport Rail Link and City Air Terminal at Makkasan/Asoke Station

Name of Company: Wisit Engineering Consultants Co., Ltd.

Name of Associates Firm: Asian Engineering Consultants Corp., Ltd.

Thai Engineering Consultants Co., Ltd.

Design Concept Company Limited

Location: Makkasan, Bangkok, Thailand

Client: Kingdom of Thailand Ministry of Transport State Railway of Thailand

Project Cost: 26,000 million baht

Type of Service: Structural and System Engineering Design

Project Description : The City Air Terminal (CAT) of the Airport Rail Link and City Air Terminal Project is located at the heart of Bangkok, Makkasan district, Thailand.  When completed in 2009, CAT will be the grand station serving as a city air terminal for airlines’ passengers check-in and for boarding and alighting of passengers up to 300,000 passengers per day, to and from Suvarnabhumi airport.   The CAT covers a gross floor area of 78,000 square meters configured into 3-storey structure for parking, arrival, departure and concourse area, and 2-storey structure for platform area.  CAT is designed to accommodate four standard gauge tracks, two tracks for express line (SA Express Line) with a journey taking 15 minutes, and two tracks for city line (SA City Line) with a journey taking 30 minutes.

The CAT is founded on Bangkok clay. Deep bored piles is adopted for transferring the load to the sand stratum.  The superstructure of concourse area and the train platform are cast-in-situ post-tensioned flat slab and prestrssed girders with cast-in-situ slab, respectively.  Arch trusses, virendeel trusses and two hinges plate-girder archs with metal deck are utilized for roof framing of concourse area and train platform area, respectively.