CASE STUDY

Bridge Refurbishment

Client: Pannekoek GWW

Industry: Industrial

Scope: Bridge Refurbishment

Date: January 2018

Location: Netherlands

Products: RS 500P, RL 500PF & RA 500UW-LV

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OVERVIEW

A New Build bridge required a protective coating system which could offer long-term corrosion protection.

CHALLENGE

A short time frame of 2 days was given for project completion. Grit blasting was not permissible due to the damage it would cause to the surrounding environment. Full encapsulation would also incur a high cost and would significantly increase the project duration.

SOLUTION

Above the water line the substrate was high pressure water jetted (500bar). Two coats of wet & rust tolerant epoxy Epo-chem™ RL 500PF was then applied. Below the water line, the substrate was prepared using mechanical methods. This was followed by one primer coat of solvent-free, wet & rust tolerant epoxy Epo-chem™ RS 500P and one topcoat of Chemco’s specialised solvent-free underwater coating system Diver-cote™ RA 500UW-LV.

OUTCOME

The project was successfully completed to the great satisfaction of the client and within the strict 2 day time frame given for the project. This project could only be completed within 2 days by using Chemco’s unique solution. The same process will now be used for more bridges and other similar structures for this client.

BENEFITS

• Unique solution only offered by Chemco
• Excellent adhesion to sub-standard substrate conditions expected underwater
• No grit blasting
• Significantly reduced contract duration
• Substantial time and cost savings

application water jetting rusted bridge beams

During Surface Preparation

concrete bridge with semi-immersed black beams

Completed Application

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