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United States Citizenship and Immigration Services (USCIS)

Area:  259,947 sq. Ft. 
Developer: Trammell Crow
Architects: Gensler
Engineer: Thomson Ehle
General Contractor: Manhattan Construction
Mechanical Contractor: Weldon Contractors

United States Citizenship and Immigration Services’ (“USCIS”) Texas Service Center in Irving. The 259,947-square-foot facility, which meets both the government’s security and energy-efficiency requirements, was initially designed with a gravity scheme which posed many routing problems with large diameter pipes. Mifab HydroMax® Solution enabled design flexibility in pipe routing with horizontal pipes being flat level to position downpipes in preferred locations using smaller diameter pipes.

In addition to providing the engineering and aesthetic benefits, the engineer was happy to report the following savings:

“Just wanted to let you all know that on our weekly conference call today the contractor said that the price for the siphonic system came in “somewhere between $201,000 & $235,000 less” than the conventional system they had originally priced.”

Ron Hall, Director of Plumbing/Fire Protection, Thompson Ehle Company

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