Construction Supervision of RCC Bridge (Makhan Colony to Jarnia) – Haripur
Project Details
- Client: Communication & Works (C&W), Haripur
- Project Start Date: July 2, 2021
- Project Completion Date: September 30, 2021
- Total Project Cost: 600 million PKR
- Bid Amount: 3.747 million PKR
- Scope of Work: Foundation, Superstructure, Drainage, Quality Control, Construction (F, S, D, Q, C)
- Contractor Type: Single Firm
- Bridge Specifications:
- Type: Reinforced Cement Concrete (RCC) Bridge
- Location: Dorh River, Haripur
- Total Length: 240 meters
- Number of Spans: 8
- Additional Infrastructure: Approach road on both sides
Project Overview
The RCC Bridge from Makhan Colony to Jarnia was constructed over the Dorh River in Haripur to provide a safe, reliable, and efficient transport link for local communities. The project included supervision of construction activities, ensuring the bridge met structural integrity, durability, and safety standards.
With 8 spans covering a total 240 meters, the bridge plays a crucial role in enhancing connectivity between the two regions, reducing travel time, and supporting economic activities. The approach roads further improve accessibility and ensure seamless transportation.
Key Challenges in Construction Supervision
1. Hydrological and Environmental Challenges
- High water flow in the Dorh River required strategic pier foundation placement and flood-resistant design.
- Erosion control measures were necessary to prevent scouring around piers and protect the bridge’s foundation.
2. Structural and Engineering Complexities
- The multi-span design required precise load distribution calculations to prevent structural stress.
- Proper reinforcement placement was essential to ensure the bridge’s longevity and resistance to seismic activity.
3. Logistical and Material Transportation Issues
- Transporting heavy RCC girders and construction materials to the site required specialized machinery and traffic management strategies.
- Ensuring a continuous supply of cement, steel, and aggregates was challenging due to regional constraints.
4. Safety and Compliance Regulations
- Stringent quality control measures had to be enforced to meet C&W and national engineering standards.
- Worker safety was a priority, particularly for tasks involving pier construction in a flowing river environment.
Project Outcomes and Benefits
1. Improved Connectivity and Accessibility
- The bridge provides a reliable transport link between Makhan Colony and Jarnia, significantly reducing travel time.
2. Economic Growth and Trade Expansion
- Easier access facilitates trade, commerce, and agricultural activities, benefiting local businesses and industries.
3. Increased Safety and Traffic Efficiency
- The bridge eliminates hazardous river crossings, ensuring a safer commute for vehicles and pedestrians.
4. Flood Resilience and Long-Term Durability
- Strong pier foundations and erosion control measures make the bridge resilient against floods and water surges.
5. Sustainable Infrastructure Development
- The use of high-quality RCC materials ensures long-term structural integrity with minimal maintenance needs.
Conclusion
Despite challenging environmental and logistical conditions, the Makhan Colony to Jarnia RCC Bridge was successfully completed, enhancing transportation, trade, and regional connectivity. The construction supervision ensured quality control, adherence to safety standards, and efficient execution, making this infrastructure project a significant milestone for Haripur’s development.
