Carrying out Feasibility Study, Topographical Survey, Geotech Investigation, Preparation and Submission of Concept Plan, General Arrangement Drawing ( GAD ), Detailed Design, Drawing, Structural design, Detailed Estimates and Tender document for Complete ROB With both Approaches for the construction of 6 ( Six ) Nos. Road Over Bridges in the Western Railway under the jurisdiction of Dy. Chief Engineer ( C ) Surat.