URETEK Resin

Soil Stabilization Beneath the Samrong Tai Pumping Station with Polyurethane — No Service Interruption

📍 Samrong Tai Pumping Station 📅 2 Aug 2026

The concrete apron around the Samrong Tai pumping station had settled as the underlying soil weakened. URETEK stabilized the soil and filled the voids by polyurethane injection — with a survey grid, laser control, before/after DCP soil testing, and pressure logged at every point — working overnight without interrupting the water supply.

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A pumping station is critical infrastructure that must run 24 hours a day. When the concrete apron around the Samrong Tai station began to settle as the soil beneath it weakened and voids formed, the fix had to involve no excavation, no interruption to the water supply, and full engineering verification. URETEK used polyurethane injection to stabilize the soil and fill the voids — with a complete testing process — working overnight.

📐 Survey Grid & Level Measurement

Our engineers laid out a grid of injection points across the area, numbered every point, and took levels with an instrument/laser to assess the settlement and plan the injection systematically.

🧪 DCP Soil Testing (Before & After)

Soil strength was tested by the DCP (Dynamic Cone Penetration) method before and after injection, to confirm numerically that the soil had genuinely strengthened after treatment.

💠 Coring & Polyurethane Soil-Stabilization Injection

Small holes were cored at the set points, then polyurethane resin was injected beneath the slab. The resin expands to fill the voids and compact the surrounding soil, increasing its bearing capacity — with volume and pressure controlled and logged at every point.

🌙 Overnight Work, No Interruption to Supply

The crew worked overnight under floodlights with compact equipment and no open excavation, so the station kept supplying water throughout — with the client's team on site to inspect.

✅ The Result: A Stable, Verifiable Apron

The voids were filled, the soil's bearing capacity improved (confirmed by DCP results), and the settlement stopped — with no station shutdown and no demolition. Ideal for infrastructure that must stay in continuous service.

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