Galvanizing Insights, Volume 13, Issue 2
American Galvanizers Association
www.galvanizeit.org
Galvanizing Innovations

Sustainability Prominent in 2013 Excellence in Hot-Dip Galvanizing Awards Winners

NREL

The votes have been tallied and the American Galvanizers Association (AGA) is pleased to announce the winners of the 2013 Excellence in Hot-Dip Galvanizing Awards. More than 120 impressive projects were submitted, representing a variety of applications of hot-dip galvanizing. All of the projects were judged online by a panel of architects and engineers. The submitted projects and winners are featured in the AGA Project Gallery at galvanizeit.org/project-gallery.

This year’s highest honor, Most Distinguished, was given to the US Department of Energy’s National Renewable Energy Laboratory (NREL) Parking Garage in Golden, Colorado. The solar powered garage required a maintenance-free coating that would last 50 years or more, making galvanizing the optimum choice for corrosion protection. Nearby, Denver Zoo’s state-of-the-art Toyota Elephant Passage took home the Recreation and Entertainment award. Hot-dip galvanizing was the safest coating option for the exhibit, ensuring the animals’ enclosures are protected from the corrosive elements in the environment and from any potential damage the animals may cause.

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Ask Dr. Galv

Ink on Steel
What surface preparation of the steel or iron is necessary prior to it arriving at the hot-dip galvanizing plant?

Many specifications for protective coatings include provisions for surface preparation prior to coating application and inspection requirements during/after coating application. For galvanizing there is usually no special preparation required. Let me explain.

ASTM specifications for batch hot-dip galvanizing are arranged differently. For example, ASTM A123/A123M and A153/A153M (the most commonly used hot-dip galvanizing specifications in North America) cover the inspection requirements of the finished galvanized product, but do not discuss surface preparation of the steel or iron prior to it being galvanized. ASTM A143/A143M, A384/A384M, and A385/A385M discuss fabrication procedures for steel to be hot-dip galvanized and address some surface preparation recommendations prior to galvanizing.

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Featured Project
NREL Parking Garage

NREL Parking Garage

Golden, CO

When the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) in Golden, Colorado, decided on the critical protective coating for the exposed structural and architectural steel for NREL’s new $25 million, state-of-the-art solar array-powered parking garage, one need only imagine the path that led to a logical coating decision on this high profile parking structure.

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© 2013 American Galvanizers Association. The material provided herein has been developed to provide accurate and authoritative information about after-fabrication hot-dip galvanized steel. This material provides general information only and is not intended as a substitute for competent professional examination and verification as to suitability and applicability. The information provided herein is not intended as a representation or warranty on the part of the AGA. Anyone making use of this information assumes all liability arising from such use.