Morrissey Engineering 4940 Building

Morrissey Engineering 4940 Building

Our LEED Platinum Certified headquarters, showcases our commitment to sustainability and the environment, while simultaneously offering a creative cultural atmosphere. It was a labor of love to provide design services that meet the industry’s highest level of operational efficiencies, environmental performance, comfort, and functionality.

Services Provided


  • Initially built for $2.2 million at 15,580 SF
  • LEED consulting
  • Energy modeling
  • Fundamental and enhanced commissioning
  • Alternative transportation with designated parking spaces for carpools and energy-efficient vehicles
  • Interior bike storage, changing rooms and showers
  • 2.5 acre pond water used for rainwater detention from the roof
  • Non-potable irrigation water pumped from the pond
  • Restroom facilities that use water-conserving fixtures - 56% water savings
  • ground coupled heat pump system that provides highly efficient heating and cooling
  • Energy recovery unit used to precondition ventilation air
  • Views of the outdoors for 90 percent of occupants from their workspace
  • Daylight harvesting techniques employed by use of a Digital Addressable Lighting Interface system in which every fixture can be individually controlled and dimmed based on available natural light - Lighting Power Density - 0.33W/sf
  • Extensive measurement and verification equipment incorporated into the design. Mechanical, lighting, general power and renewable energy systems are individually metered to accurately track building performance
  • Realtime monitoring and analysis of energy performance via a building dashboard, accessible through the company website
  • Enhanced indoor air quality achieved through utilization of MERV 13 filters and ultraviolet lamps in each heat pump
  • 25kW Photovoltaic system with an expected annual energy production that will serve at least 20% of the building's energy consumption
Our 4940 Building received its 4th LEED Platinum certification in 2022.



Our 4940 Building received a 2010 ACEC Nebraska Engineering Excellence Honor Award



LEED Platinum Certified New Construction


Omaha, Nebraska

Square Footage

15,580  GSF
1,300 GSF Addition in 2017

Completion Date

October 2008


Sinclair Hille Architects
Holland Basham Architects