Provide independent design checking and value engineering for Cable Stayed Bridge No. 1 over Batang Lupar (River Mouth). Carry out design review on all design drawings, design calculations and specifications and reports related to bridge superstructure, substructure and stay cable system. Provide detailed 3D modelling of the cable stayed bridge (superstructures, stayed cable system, substructures and foundations) and carry out independent checking analysis & design and value engineering.