One of the major engineering challenges facing the operators of this world-class facility has been the damage from the effects of corrosion of the buildings piping system. Limited access to the piping system, historical ornate and irreplaceable structures and wall fixtures compounded the problem.
Pinhole leaks in the copper pipes that feed the public and offices restrooms, as well as the restrooms used for special events, such as the monthly visit from Mexico’s President hosting official events.
Julia Morgan is an American legend in architecture. With a career spanning 50 years and over 700 buildings to her credit including the Hearst Castle and reconstruction of the San Francisco Fairmont Hotel, Ms. Morgan’s achievements are revered in American architecture.
By 1999, after more than 70 years of continual service, the historic Pacific Plaza Hotel was rapidly deteriorating with more than 40 of their 160 rooms placed permanently out of service due to severe pipe corrosion and low water flow. The galvanized steel piping was so badly encrusted that in some cases water flow could be counted not by gallons per minute, but by drips.
Los Angeles Union Station (LAUS) is the main railway station in Los Angeles and the largest railroad passenger terminal in the Western United States. It opened in May 1939 as the Los Angeles Union Passenger Terminal. Union Station became known as the "Last of the Great Railway Stations" built in the United States. It was placed on the National Register of Historic Places in 1980. California High-Speed Rail - Union Station is planned to be a major hub for the future California High-Speed Rail System. Upon completion, it's projected that passengers will be able to get from Union Station to San Francisco in around 2 hours and 40 minutes.
The Corcoran Gallery of Art, like many older buildings, has cast iron rain leaders that run from the roof of the gallery to the wastewater mains under the building. The rain leaders were aging and there was fear that their failure could result in water damage to the museum or the works of art.