Developing Long Term Sustainable Solutions IOWA STATE UNIVERSITY’S Agricultural Biosystems Engineering Department of Agricultural and Biosystems Engineering (ABE) Bioeconomy Institute (BEI) 1
Project Overview ABE PHASE 2 BRL PHASE 1 2
Program BRL PHASE 1 LABS ABE OFFICES PHASE 2 3
Stormwater 4
Stormwater MINI RAIN GARDEN ROOF DISCHARGE TO LANDSCAPE ‘FEATURE’ CISTERN STORAGE PERMEABLE PAVING WITH GRAVEL RETAINAGE BASIN RAIN GARDEN FOR STORMWATER DETENTION 5
Water Reuse Gather and Store Rainwater Water is Utilized for Toilet Flushing A Purple Dye is Added Water is Filtered Gather and Store Groundwater Recirculation pumping of water with UV filter (2) 25,000 Gallon Cistern 6
System Statistics Iowa State University’s Biorenewables Research Laboratory (BRL) Building Roof area is approximately 10,500 Square Feet. This system began operations in November of 2010. Information on this slide obtained October 10, 2012. Fourteen (14) Water Closet fixtures. Four (4) Urinal fixtures. Restroom Flush Valve equipped plumbing fixtures used 164,513 Gallons of Water. Domestic Cold Water Make-up (Back-up System) used 173 Gallons of Water. The 25,000 gallon Building Cistern had 21,300 gallons of stored rain water. 7
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