Howard M. Metzenbaum U.S. Courthouse

LEED - NC Certified Version 2.0

Sustainable Site

• BMP (best management practices)  was followed through use of a silt fence, stabilized construction entrance, sediment basin and other measures
• Urban redevelopment  is achieved in an area with a development density of 421,815 sf/acre
• Brownsfield redevelopment through the abatement of hazardous materials that were located throughout the building
• 12 bicycle stalls and 4 showers are provided within 200 yards of the project for 190 occupants
• Alternative transportation is available in 6 bus lines within 1/4 mile of the project site
• 100% of parking spaces have been placed underground

• No planting has been added and no permanent irrigation system. 6 existing honey locusts do not require irrigation
• Over 32.4% water use reduction 

• Optimized energy efficiency through a 15% energy reduction compared to ASHRAE (Amercian Society of Heating and Refrigeration Engineers) 90.1-1999 

• Occupant recycling
• Maintained 95.49% of existing shell
• Maintained 58.90 % of interior elements
• Diverted 54.11% of construction waste through effective waste management plan
• 6.69% of total building materials by value contain recycled materials
• 24.4% local and regional materials manufactured regionally

• Carbon dioxide sensors monitor to outside ambient levels and increased ventilation if exceeding thresholds
• Construction IAQ Management plan was in compliance with SMACNA guidelines, during construction, MERV 8  filters were installed at grilles
• Construction IAQ Management plan before occupancy – the project conforms with the required IAQ testing protocol
• Low emitting adhesive and sealants were used
• Low emitting carpet was used
• Designed for thermal comfort compliance with ASHRAE 55 – 1992 for relative humidity and temperature
• Thermal comfort monitoring system installed for compliance with ASHRAE 55 – 1992 for relative humidity and temperature

• Green housekeeping
• LEED accredited professionals participating on the project