Door Systems News

History of the Twitter Building

History of the Twitter Building

How the internet reshaped Market Street’s Art Deco monolith The Twitter building, once known as the Western Furniture Exchange and Merchandise Mart, got its start as a Depression-era furniture showcase This is a story about adaptive reuse,…
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The most polarizing buildings in San Francisco

The most polarizing buildings in San Francisco

Love ’em or loathe ’em, these structures won’t be ignored Thom Mayne’s jarring yet alluring Federal Building, an 18-story structure with a curtain of perforated steel punctuated by a large square cut-out framing a privately owned…
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Top Causes of Commercial Building Fires

Top Causes of Commercial Building Fires

Commercial fires are almost certain to make headlines. While structures, alarms, safety equipment and response times are far superior to those of just decades ago, commercial fires are still happen. What are the likely causes of these fires…
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Union Bank Plaza undergoes $20 million renovation

Union Bank Plaza undergoes $20 million renovation

The first phase in the historic preservation-minded rehabbing of Union Bank Plaza (UBP) in Downtown Los Angeles has wrapped up. Completed in 1967, the 40-story office tower, designed by Harrison & Abramovitz and Albert C. Martin &…
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LAFD Commercial Structure Fire

LAFD Commercial Structure Fire

Just after 03:30​ hours, Los Angeles Fire Department Battalion 1 companies were dispatched to a reported structure fire in 17’s first-in at the intersection of Long Beach Ave. x Washington Blvd. E14 was first on-scene and unable to…
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Understanding Building Construction Types

Understanding Building Construction Types

Buildings are broken down into five categories (Types 1–5), ranging from the stoutest of construction to that which will most likely fail rapidly when under fire conditions. Each building type has specific characteristics that ladder companies…
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