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Water Conservation: Current & Future Trends And A (small) Success Story By Richard M. Silberman Co-President, Managi

Water Conservation: Current & Future Trends And A (small) Success Story By Richard M. Silberman Co-President, Managing Director Healthy Buildings. Price = f(supply, demand). Limited Supply. Uneven Supply. Our Problem: Aging Infrastructure. Demand: Population Growth. Demand: More Uses.

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Water Conservation: Current & Future Trends And A (small) Success Story By Richard M. Silberman Co-President, Managi

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  1. Water Conservation: Current & Future Trends And A (small) Success Story By Richard M. Silberman Co-President, Managing Director Healthy Buildings

  2. Price = f(supply, demand)

  3. Limited Supply

  4. Uneven Supply

  5. Our Problem: Aging Infrastructure

  6. Demand: Population Growth

  7. Demand: More Uses

  8. Current & Future Trends In Water Conservation

  9. Low/No Flow Bathroom Fixtures

  10. Leak Detection One bad toilet leak can result in > 1,000 gallons/day of wasted water!

  11. Cooling Towers Measure, log, analyze to maximize cycles of concentration

  12. Rainwater Harvesting

  13. GreywaterRecycling

  14. Water Efficient Landscaping

  15. Water Efficient Irrigation

  16. A (small) Success Story: The Tower Companies 1828 L Street NW “Toilet Fixture Customization” (a.k.a. “Fixture Tuning”)

  17. Water Use in Commercial Buildings Toilets account for 31% of ALL indoor water use in the U.S. The average daily water use in U.S. commercial buildings: 20 -- 35 gallons per day per employee

  18. Problems with Fixture Replacement • Expensive • Sometimes Ineffective • Disruptive • Intrusive

  19. Flushometer

  20. Flushometer Assembly

  21. COMMERCIALLY AVAILABLE FLUSHOMETER ASSEMBLIES Unnecessarily High Often Impractically Low 1.28 GPF 1.6GPF 2.4 GPF 3.5 GPF

  22. Identifying the “Sweet Spot” for Assembly Customization Unnecessarily High Often Impractically Low 1.28 GPF 1.6GPF 2.4 GPF 3.5 GPF “Custom” Flush kits designed & assembled by Healthy Buildings, as part of the WET Program. Ideal Flush rates are determined by the existing china models and water pressure Tuning “Sweet Spot”

  23. Results Summary – Year 1 Estimated Savings 834,905 gallons $9,687 1.6 yr simple payback Actual Savings 1,115,956 gallons (26.3%) $12,323 1.3 yr simple payback

  24. Thank you! Richard M. Silberman Healthy Buildings (703) 323-4400 rsilberman@healthybuildings.com

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