Aviva USA headquarters becomes the largest LEED ( Leadership in Energy and Environmental Design) Gold certified building in Iowa.
Among the project's features that contributed to Gold Certification are :
95% of employees have direct access to natural light
81% construction waste recycled and thus diverted from landfills
43% water savings
installation of low-flush water closets and urinals
low-flow sink aerotor and shower head fixtures
30% energy saving compared with a standard code-based building
occupancy and daylight sensing lighting controls in offices and conferences rooms
High performance, glazing, wall and roof systems.
Efficient indirect system lighting design
Hight efficiency water cooled chiller
Carbon dioxide sensing ventilation air control systems
Total energy recovery of ventilation air
27% materials quarried or purchased locally including Iowa limestone
18% recycle content value of construction materials.
The facility also offers priority parking for low-emitting and fuel-efficient vehicles as well as for those employees who carpool.