National Bio and Agro-Defense Facility (NBAF)

Manhattan, KS
National Bio and Agro-Defense Facility (NBAF)

Emery Sapp and Sons were awarded the civil package for the $1.25B facility, a biosafety level-4 laboratory and the U.S. Department of Homeland Security’s foremost animal disease research facility. The main challenge was performing safe and precise work within an extremely tight site, with large laydown areas, and a complex system of existing and continuous sequence of utility relocations.

Owner Department of Homeland Security

General Contractor McCarthy Mortenson NBAF A Joint Venture (McMjv)

Civil Engineer NBAF Design Partnership

ESS Role Subcontractor

Project Duration 65 months

Self-Performed 85%

Scope of Work

Phase one of the project began in 2010 with ESS performing the site prep and excavation of 277,493 cubic yards of material. Phase two was underground utilities and consisted of the installation of sanitary sewer lines with a pump station, storm sewer, a water harvesting system with tanks and pump station, water lines, potable water storage system, and two complex control panels. Utility work included trench excavations up to 41′ deep, large excavations with complex shoring, and all the underground utility work having less than .10′ elevation tolerance.

Storm Sewer 10,208 LF

Sanitary Sewer 4,221 LF

Water Line 4,531 LF

Excavation 277,493 CY