Project Overview:
A major infrastructure contractor in the Philippines was tasked with designing and installing a reliable, long-term drainage system for a newly constructed elevated bridge. The project required a solution that could efficiently manage heavy monsoon rainfall, resist corrosion from humidity and environmental exposure, ensure minimal maintenance, and allow for quick installation to meet tight construction deadlines.
Challenges:
Corrosive Environment: High humidity, salt air, and seasonal rains demanded exceptional corrosion resistance.
Durability Requirement: The system needed a service life matching the bridge’s long-term infrastructure goals.
Installation Constraints: Limited time and access on an elevated structure required lightweight and easy-to-assemble materials.
Flow Efficiency: Smooth internal surface to prevent clogging and ensure rapid water discharge during intense rainfall.
Solution:
SIFFO supplied its complete UPVC (unplasticized polyvinyl chloride) drainage system, including pipes and fittings in diameters from DN75 to DN140. The UPVC material was selected for its superior performance in aggressive environments and its full alignment with the project’s technical requirements.
Why SIFFO UPVC Was Chosen:
Excellent Corrosion Resistance – UPVC is inherently immune to rust, chemicals, and electrolytic corrosion, making it ideal for coastal and humid climates.
Long Service Life – High durability and UV stability ensure decades of reliable performance with minimal degradation.
Lightweight & High Strength – Easy to transport and handle at height, reducing labor and equipment costs, while maintaining high load-bearing capacity.
Low Fluid Resistance – Hydraulically smooth interior surface maximizes flow rate, reduces blockages, and improves drainage efficiency during heavy rains.
Quick & Easy Installation – Simple push-fit or solvent cement joining systems enabled rapid assembly without heavy machinery, speeding up project progress.
Implementation:
SIFFO provided technical support and installation guidance, ensuring the contractor could efficiently deploy the uPVC system along the bridge’s drainage network. The pipes and fittings were delivered on schedule, and their lightweight nature allowed for effortless positioning and securing in elevated and hard-to-reach sections.
Results:
The drainage system was installed ahead of schedule, thanks to the user-friendly design of SIFFO uPVC pipes and fittings.
Since commissioning, the system has performed flawlessly through multiple rainy seasons, with no signs of corrosion or wear.
The client reported significantly reduced installation costs and time compared to traditional materials, along with confidence in the system’s long-term reliability.
Client Feedback:
“SIFFO’s uPVC drainage solution met all our technical and logistical demands. Its corrosion resistance and ease of installation made it the perfect choice for our elevated bridge project in a challenging environment. We are pleased with the performance and would recommend SIFFO for similar infrastructure applications.”
Conclusion
SIFFO’s uPVC pipes and fittings provided a cost-effective, durable, and efficient drainage solution for the Philippine elevated bridge project, demonstrating how advanced polymer materials can meet the rigorous demands of modern infrastructure while ensuring sustainability, safety, and value.
