Hempel protects the landmark building, the Queensferry Crossing Bridge in Scotland.
2017-08-04 00:00
Globally renowned paint manufacturer Hempel has been appointed to provide innovative anti-corrosion coating solutions for the Queensferry Crossing project in Scotland. The bridge, located near Edinburgh in the Firth of Forth, spans 2.7 kilometers and is the longest three-tower cable-stayed bridge in the world.
With extensive experience and high-quality coating solutions, Hempel was selected as the paint supplier for the 35,000 tons of steel box girders used in this newly constructed innovative sea bridge. The steel box girders were manufactured in both the UK and China and transported to Scotland by sea. Therefore, the selected coatings must be tough enough to withstand the impacts during the 7,700-kilometer sea journey and durable enough to ensure that the bridge will not be damaged by Scotland's harsh climate and marine environment for years to come.
The steel box girder and ancillary structure manufacturer Shanghai Zhenhua Heavy Industry Co., Ltd. (ZPMC) was very impressed with Hempel's high-performance anti-corrosion coating product range. Hempel has an outstanding track record in infrastructure protection, having provided coatings for four of the world's top ten cable-stayed bridges. This is why Hempel became the coating supplier for this bridge project.
We chose Hempel because we know they can provide a comprehensive solution that fully meets the requirements of this project and our expectations. Their coating products have strong and stable anti-corrosion performance, and their technical service team is very professional, proactive, and hardworking, providing us with significant assistance during the project execution. We have successfully collaborated with Hempel for many years.——Zhao Kai, Project Manager, Shanghai Zhenhua Heavy Industry
We are very proud to be part of this magnificent piece of modern engineering. The Queensferry Crossing project required close collaboration between the customer (FCBC Consortium), the contractor (Shanghai Zhenhua Heavy Industry), and Hempel across different parts of the world. During the project briefing, we collaborated with the steel manufacturer and the owner's engineering consultant team in the UK to ensure that our coating system met the project requirements. Our technical service team worked on-site at Zhenhua's production base and the construction site in the UK to supervise the application process and ensure that the products were applied accurately and efficiently.——Lars Risum, Infrastructure Manager, Hempel Group
Hempel supplied over 600,000 liters of coating products for this project. For the exterior surface of the bridge, we used Hempel's Zinc-rich Epoxy Primer 17360, which has excellent weather resistance and provides cathodic protection for localized damaged areas; Hempel's MIO Epoxy 47950, which has a high volume solid content and a short drying time; and Hempel's Polyurethane Thick Film Finish 55613, which provides protection for steel structures in corrosive environments. For the interior surface of the steel, we used Hempel's Epoxy 47940, which has a high volume solid content and a short drying time; and Hempel's Inorganic Zinc-rich Paint 15700, which is applied at the steel pipe joints to provide the necessary coefficient of friction (slip resistance).
The Queensferry Crossing bridge is expected to officially open in the summer of 2017.
Below please find the English version:
Hempel protects iconic Queensferry Crossing
Leading global coatings provider Hempel appointed to provide innovative tough coating solutions against corrosion to the Queensferry Crossing. Located on the busy Forth Estuary near Edinburgh, on the east coast of Scotland, it spans an impressive 2.7 kilometres, making it the longest three-tower cable-stayed bridge in the world.
Due to its extensive experience and high-quality coating solutions, Hempel was chosen to coat the 35,000 tons of steel needed for this innovative new bridge. The steel was manufactured in the UK and China and then transported to Scotland by sea and so it was important that the coating solution chosen would be tough enough to withstand the impacts and exposure during the 7,700-kilometre journey, and robust enough to protect the bridge from the harsh Scottish climate and coastal conditions for years to come.
Steel manufacturer, Shanghai Zhenhua Heavy Industry Co., Ltd. (ZPMC) was impressed with Hempel’s range of high performance anti-corrosion systems. Hempel has an extensive track record of protecting infrastructure, including four of the world’s ten largest cable-stayed bridges, and so was appointed to provide a top-quality coating system for this project.
Kai Zhao, Project Manager, ZPMC said:
“We chose Hempel because we know the quality of their paint and the high levels of service we can expect from them. Their coatings deliver robust and stable performance against corrosion and their technical services are professional, precise and global, providing great support to this project. We have worked with Hempel for many years, with great success.”
Lars Risum, Group Segment Manager, Infrastructure, Hempel A/S said:
“We are proud to be a part of this spectacular piece of modern engineering. The Queensferry Crossing project required close collaboration and coordination between the customer (FCBC Consortium), the contractor (ZPMC) and Hempel on different sides of the world. We worked with both the steel manufacturer and the owner’s advisory engineering team in the UK during the specification process to ensure the coating systems were equal to the task. Our technical service teams worked at the steelyard in China and at the construction site in the UK to oversee the application and ensure the coatings were applied accurately and efficiently.”
Over 600,000 litres of Hempel coatings have been supplied. For the exterior, products applied to the Queensferry Crossing include Hempadur Zinc 17360 which is a highly weather-resistant coating offering cathodic protection against local mechanical damage. Hempadur MIO 47950 which combines a relatively high-volume solids content with a short drying time and Hempathane HS 55613 which provides a high-build finishing coat for protection of structural steel in corrosive environments. For the interior, Hempadur ZP 47940 was applied combining high volume solids content with short drying time. Hempel’s Galvosil 15700 was applied to the connection joints to provide the necessary coefficient of friction (slip resistance).
The Queensferry Crossing is due to open in the summer of 2017.
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