Alternative Design on 2.0 km Elevated Highway for Package CB3 of Damansara-Shah Alam Highway (DASH), KL

• Carried out design optimization on the 30m wide elevated expressway using pretensioned U-girders supported on precast post-tensioned segmental T-shape crossheads founded by 3.2m large diameter mono-pile bent system
• Carried out the design of 2-span cast in-situ twin box girders constructed by balanced cantilever method over a STP
• Carried out the design of large span prestressed portal beams, and prestressed spine beams at curve ramps.
• Provided technical support and construction engineering service to the contractor for the erection of precast segmental crosshead and beam launching sequence.