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In recent years, Pakistan has increased investment in national highway construction to improve regional transportation and economic development. This project supports a key bridge on a new highway section in Pakistan. The bridge features large spans and a tight schedule, making it a critical control project. The superstructure mainly uses precast box girders. High requirements are set for erection accuracy, safety, and efficiency. Traditional lifting methods cannot meet continuous and efficient construction demands.
The project area has complex terrain and faces multiple construction challenges:
●Large bridge spans with heavy single girder weight
●Strict schedule requiring continuous girder erection operations
●Limited site access demanding high equipment stability and safety
After comprehensive evaluation, the project adopted a 220 ton bridge girder launcher as core equipment.
Based on site conditions, HSCRANE provided a complete 220 ton bridge girder launcher solution. The equipment fully meets large bridge construction requirements in design and performance. Key features include:
●Rated lifting capacity of 220 tons for heavy precast girder erection
●High strength main structure ensuring stable operation under large spans
●Multiple safety protection systems improving high altitude erection safety
●Adaptation to continuous construction supporting efficient standardized installation
The solution improves construction efficiency while ensuring safety and precision.
After arrival on site, the project team completed assembly and commissioning as planned. After commissioning, the launcher entered girder erection operations smoothly. It covered lifting, longitudinal movement, and precise girder placement. During construction, the launcher operated stably with accurate positioning. It provided reliable support for superstructure construction and reduced interference with other processes.
After commissioning, the 220 ton bridge girder launcher showed clear advantages in superstructure construction. Standardized and continuous erection significantly improved overall efficiency. Key process durations were effectively shortened. Stable operation and multiple safety systems reduced labor intensity and operational risks. The equipment also ensured reliable positioning and placement accuracy. This laid a solid foundation for overall bridge quality improvement.
From an overall perspective, the solution meets demands for heavy capacity and high efficiency equipment. Successful implementation ensured progress at critical bridge nodes. It also provided strong support for local transportation infrastructure development.
