Corrocoat - Case study:Coarse water filter screens …...Case study:Coarse water filter screens...
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Case study: Coarse water filter screens pro-biofoul anti-foulant Eco-friendly, mechanically strong & gives extended life. Client Power Industry, UK. Application date 2004. Scope of work Prepare screens by pressure washing, manual cleaning & scraping, then abrasive blasting to remove marine growth, debris and corrosion deposits. Assess repair work. Apply corrosion protection and Biofoul. Products Corroglass 600 Series for repair and re-profiling, with a Polyglass PPA primer coat. Top coat of Biofoul applied for anti-fouling requirements. Substrate Steel fabrication. Coating system • Grit blast whole structure to ISO 8501-1, cleanliness standard SA 2 1 / 2 with minimum surface profile of 50μm. • Apply Polyglass PPA to whole structure as a primer for the Corroglass 600 Series, applied to a min.dft of 1.5mm. • Apply top coat of Biofoul. Coating credentials Biofoul is an eco-friendly non-toxic coating. The mechanism by which Biofoul provides anti-fouling properties enables the product to be used in both static and self-polishing environments. The coating is mechanically strong (unlike many self-polishing anti-foulants), has a long life (when used in conjunction with a Corrocoat corrosion system) and is non-toxic. By applying a final coat of Biofoul, the Power Station has eliminated the costly requirement for regular cleaning & maintenance by divers. In addition to this replacing these screens would have cost considerably more than re-profiling and protecting by Corrocoat. Photographs Left: The screen after pressure washing – showing the extent of corrosion and pitting. Middle: Detail of the re-profiled cross-members. Right: The completed screens awaiting despatch. Corrocoat Ltd, Forster Street, Leeds LS10 1PW Tel +44 (0) 113 276 0760 Fax +44 (0) 113 276 0700 www.corrocoat.com
Transcript of Corrocoat - Case study:Coarse water filter screens …...Case study:Coarse water filter screens...
Case study: Coarse water filter screens pro-biofoul anti-foulant
Eco-friendly, mechanically strong & gives extended life.
ClientPower Industry, UK.
Application date2004.
Scope of workPrepare screens by pressure washing, manual cleaning& scraping, then abrasive blasting to remove marinegrowth, debris and corrosion deposits. Assess repairwork. Apply corrosion protection and Biofoul.
ProductsCorroglass 600 Series for repair and re-profiling, with aPolyglass PPA primer coat. Top coat of Biofoul appliedfor anti-fouling requirements.
SubstrateSteel fabrication.
Coating system• Grit blast whole structure to ISO 8501-1, cleanliness
standard SA 21/2 with minimum surface profile of 50µm.
• Apply Polyglass PPA to whole structure as a primer for the Corroglass 600 Series, applied to a min.dft of 1.5mm.
• Apply top coat of Biofoul.
Coating credentialsBiofoul is an eco-friendly non-toxic coating. Themechanism by which Biofoul provides anti-foulingproperties enables the product to be used in both staticand self-polishing environments.
The coating is mechanically strong (unlike many self-polishing anti-foulants), has a long life (when usedin conjunction with a Corrocoat corrosion system) andis non-toxic.
By applying a final coat of Biofoul, the Power Stationhas eliminated the costly requirement for regularcleaning & maintenance by divers.
In addition to this replacing these screens would havecost considerably more than re-profiling and protectingby Corrocoat.
PhotographsLeft: The screen after pressure washing – showing theextent of corrosion and pitting.Middle: Detail of the re-profiled cross-members.Right: The completed screens awaiting despatch.
Corrocoat Ltd, Forster Street, Leeds LS10 1PW Tel +44 (0) 113 276 0760 Fax +44 (0) 113 276 0700 www.corrocoat.com
