LEED ® -NC Water Efficiency

1. Design Excellence Since 1990 LEED®-NC Water Efficiency Presented by MBO Inc.

2. Design Excellence Since 1990 Your Speakers for Today Jorge Torres Coto, LEED AP Building Systems Commissioning Engineer MBO, Inc. jorge@mbo1.com Brought to you by MBO, Inc.

3. Design Excellence Since 1990 Outline • What is LEED? • Where can the Plumbing Engineer make a difference? • LEED Requirements and tips • SSc6.1 • SSc6.2 • WEc2 • WEc3.1 • WEc3.2 • IDc1.1 • Examples and experience on WE • Where is LEED going?

4. Design Excellence Since 1990 What is LEED? • United States Green Building Council • Leadership in Energyand Environmental Design • LEED-NC v2.2 • LEED-CI v2.0 • LEED-CS v2.0 • LEED-EB v2.0 • LEED Retail • LEED Hospitals • LEED Homes • LEED Neighborhood Development

5. Design Excellence Since 1990 What is LEED-NC? • Rating System with five sections • Sustainable Sites SS • Water Efficiency WE • Energy & Atmosphere EA • Materials & Resources MR • Environmental Quality EQ • Innovation in Design ID • Resource Management

6. Design Excellence Since 1990 Sustainable Sites • SSp1 Construction Activity Pollution Prevention • SSc1 Site Selection • SSc2 Development Density & Community Connectivity • SSc3 Brownfield Redevelopment • SSc4 Alternative Transportation • SSc5 Site Development • SSc6.1 Storm water Design: Quantity Control • SSc6.2 Storm water Design: Quality Control • SSc7 Heat Island Effect • SSc8 Light Pollution Reduction

7. Design Excellence Since 1990 Water Efficiency • WEc1 Water Efficient Landscaping • WEc2 Innovative Wastewater Technologies • WEc3.1 Water Use Reduction: 20% Reduction • WEc3.2 Water Use Reduction: 30% Reduction

8. Design Excellence Since 1990 Energy & Atmosphere • EAp1 Fundamental Building Commissioning • EAp2 Minimum Energy Performance • EAp3 Fundamental Refrigerant Management • EAc1 Optimize Energy Performance • EAc2 On site Renewable Energy • EAc3 Enhanced Commissioning • EAc4 Enhanced Refrigerant Management • EAc5 Measurement & Verification • EAc6 Green Power

9. Design Excellence Since 1990 Material & Resources • MRp1 Storage & Collection of Recyclables • MRc1 Building Reuse • MRc2 Construction Waste Management • MRc3 Materials Reuse • MRc4 Recycled Content • MRc5 Regional Material • MRc6 Rapidly Renewable Materials • MRc7 Certified Wood

10. Design Excellence Since 1990 Indoor Environmental Quality • EQp1 Minimum IAQ Performance • EQp2 Environmental Tobacco Smoke Control • EQc1 Outdoor Air Delivery Monitoring • EQc2 Increased Ventilation • EQc3 Construction IAQ Management Plan • EQc4 Low-Emitting Materials • EQc5 Indoor Chemical & Pollutant Source Control • EQc6 Controllability of Systems • EQc7 Thermal Comfort • EQc8 Daylight & Views

11. Design Excellence Since 1990 Innovation in Design • IDc1-4 Water Use Reduction: 40% Reduction • EQc2 LEED Accredited Professional

12. Design Excellence Since 1990 SSc6.1 Storm Water Design • Quality Control • Credit Intent • Limit disruption of natural hydrology by reducing the impervious cover, increasing on-site infiltration, and managing storm water runoff. • Potential Technologies & Strategies • Design the project site to maintain natural storm water flows by promoting infiltration. • Specify vegetated roofs, pervious paving, and other measures to minimize impervious surfaces. • Reuse storm water volumes generated for non-potable uses such as landscape irrigation, toilet and urinal flushing and custodial uses.

13. Design Excellence Since 1990 SSc6.1 Storm Water Design

14. Design Excellence Since 1990 SSc6.1 Storm Water Design

15. Design Excellence Since 1990 SSc6.1 Storm Water Design • Vr=Volume Runoff • A=Area • Qr=Drawdown rate

16. Design Excellence Since 1990 SSc6.2 Storm Water Design • Quantity Control • Credit Intent • Reduce or eliminate water pollution by reducing impervious cover, increasing on site infiltration, eliminating sources of contaminants, and removing pollutants from storm water runoff. • Potential Technologies & Strategies • Specify vegetated roofs, pervious paving, and other measures to minimize impervious surfaces and promote infiltration, thereby reducing pollutant loadings. • Use sustainable design strategies to design integrated natural and mechanical treatment systems such as constructed wetlands, vegetated filters, and open channels to treat storm water runoff.

17. Design Excellence Since 1990 SSc6.1 & 6.2 Storm Water Design • References • www.epa.gov/ORD/NRMRL/pubs/600r04121/600r04121a.pdf • www.mde.state.md.us/Programs/WaterPrograms/SedimentandStormwater/stormwater_design/index.asp

18. Design Excellence Since 1990 WEc2 Innovative Wastewater Technologies • Intent • Reduce generation of wastewater and potable water demand, while increasing the local aquifer recharge. • Technologies & Strategies • Specify high-efficiency fixtures and dry fixtures such as composting toilet systems and non-water utilizing urinals to reduce wastewater volumes. • Consider reusing storm water or grey water for sewage conveyance or on-site wastewater treatment systems.

19. Design Excellence Since 1990 WEc2 Innovative Wastewater Technologies • Full Time Equivalent building occupants • FTE (8 hour, part time is proportional) • Establish Baseline Calculation (EPA-1992) • Establish Proposed Calculation • Calculate differential between Baseline & Proposed Design

20. Design Excellence Since 1990 WEc2 Innovative Wastewater Technologies

21. Design Excellence Since 1990 WEc2 Innovative Wastewater Technologies

22. Design Excellence Since 1990 WEc2 Innovative Wastewater Technologies

23. Design Excellence Since 1990 WEc2 Innovative Wastewater Technologies

24. Design Excellence Since 1990 WEc2 Innovative Wastewater Technologies • References • www.epa.gov/owm/septic/pubs/septic_2002_osdm_all.pdf • www.arcsa-usa.org

25. Design Excellence Since 1990 WEc3.1 & 3.2 Water Use Reduction • Intent • Maximize water efficiency within the buildings to reduce the burden of municipal water supply and wastewater systems. • Technologies and Strategies • Use high-efficiency fixtures, dry fixtures such as composting toilet systems and non water consuming urinals, and occupant sensors to reduce the potable water demand. • Consider reuse of storm water and gray water for non potable applications.

26. Design Excellence Since 1990 WEc3.1 & 3.2 Water Use Reduction • Full Time Equivalent building occupants • FTE (8 hour, part time is proportional) • Establish Baseline Calculation (EPA-1992) • Establish Proposed Calculation • Calculate differential between Baseline & Proposed Design

27. Design Excellence Since 1990 WEc3.1 & 3.2 Water Use Reduction

28. Design Excellence Since 1990 WEc3.1 & 3.2 Water Use Reduction • Familiarize yourself with the calculators and definitions. • We are the experts according to architect / owner

29. Design Excellence Since 1990 Open Forum • Questions?Comments?Complaints?Praises?

30. Design Excellence Since 1990 THANK YOU MBO INC. 4619 Viewridge Avenue, Suite C San Diego, CA 92071 858.751.0933 jorge@mbo1.com