Project: Preliminary Design of Abutment for Bailey Bridge Over Gandak Nahar Tilawe River, Birgunj

Client: Department of Water Resources and Irrigation

Year: 2025

Status: Completed

GEOINFRA was entrusted with the preliminary design of bridge abutments and foundation for a 48-meter Bailey Bridge over the Tilawe River, aimed at facilitating monsoon preparedness. The major tasks carried out included:

• Field reconnaissance and visual assessment of riverbanks for foundation planning.
• Review and evaluation of available data to determine appropriate bridge configuration.
• Identification of suitable foundation depth and bearing strata based on site characteristics and client-provided cross-section data.
• Preparation of preliminary drawings, design basis report, and general arrangement layout.
• Development of abutment design and structural configuration aligned with DoR and DIO Hetauda standards.
• Estimation of quantities and costs consistent with emergency bridge installation norms.
• Recommendations on foundation treatments, gabion applications, slope protection, and erosion control for both short-term stabilization and long-term safety.