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

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Presentation on theme: "Water Conservation: Current & Future Trends And A (small) Success Story By Richard M. Silberman Co-President, Managing Director Healthy Buildings."— Presentation transcript:

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

2

3 Price = f(supply, demand)

4 Limited Supply

5 Uneven Supply

6 Our Problem: Aging Infrastructure

7 Demand: Population Growth

8 Demand: More Uses

9 Current & Future Trends In Water Conservation

10 Low/No Flow Bathroom Fixtures

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

12 Cooling Towers Measure, log, analyze to maximize cycles of concentration

13 Rainwater Harvesting

14 Greywater Recycling

15 Water Efficient Landscaping

16 Water Efficient Irrigation

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

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

19 Problems with Fixture Replacement Expensive Sometimes Ineffective Disruptive Intrusive

20 Flushometer

21 Flushometer Assembly

22 3.5 GPF2.4 GPF1.6GPF1.28 GPF COMMERCIALLY AVAILABLE FLUSHOMETER ASSEMBLIES Unnecessarily High Often Impractically Low

23 3.5 GPF2.4 GPF1.6GPF1.28 GPF Identifying the “Sweet Spot” for Assembly Customization Unnecessarily High Often Impractically Low Tuning “Sweet Spot” “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

24 Results Summary – Year 1 Estimated Savings 834,905 gallons $9, yr simple payback Actual Savings 1,115,956 gallons (26.3%) $12, yr simple payback

25 Thank you! Richard M. Silberman Healthy Buildings (703)


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