Goswamietal_EnergyEfficiencyatUTEP
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The UTEP Swimming and Fitness Center achieved LEED Silver certification. It earned points in several categories including sustainable sites, water efficiency, energy and atmosphere, and indoor environmental quality. Some key sustainability features included a solar PV and thermal system providing over 12.5% of energy use, dual flush toilets, and drought tolerant landscaping using non-potable water sources like pool backwash. An analysis of the center's water and energy systems demonstrated savings from renewable technologies.
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Goswamietal_EnergyEfficiencyatUTEP
- 1. LEED Commercial Project Water and Energy Efficiency in UTEP Swimming and Fitness Center Santonu Goswami & Tejaswini Anand May 5, 2009 University of Texas at EL Paso
- 3. LEED Certification Level LEED NC2.2 Silver – 34 Areas Points Sustainable Sites 10 Water efficiency 4 Energy and Atmosphere 6 Materials and Resources 4 Indoor environmental quality 9 Innovation and Design 1
- 4. Climate of El Paso
- 10. Sketchup Model with few focus areas
- 11. Water Efficiency – LEED Points 4 • Cr1.1. Water Efficient Landscaping (reduce by 50%) • Cr1.2. Water Efficient Landscaping (no potable water) • Cr1.3. Innovative Water Technology • Cr1.4. Water Use Reduction (20% reduction)
- 12. Water quality of back-wash water • Conductivity of swimming pool water: 1.08 millisiemens/ cm • TDS (total dissolved solids): 691 ppm • Chemicals used: Cl , Br , O3, CO2, Alage preventors
- 13. Schematic of Wastewater System
- 14. Analysis – Water Usage quantity of water gallons/ Appliances number wasted wk Recreational+ Competitive Pools 1 2*50.4 gpm 34272 Bleeding water 1 2.8 gpm 28224 shower heads 48 2.5 gpm 145250 sink faucets 18 2.5gpm 21788 urinals 4 2gpf 11620 toilets 19 3gpf 13073 water fountains 8 .13gpm 2266 Total Water Wastage 256492 Reuse water from pool 34272
- 15. Analysis – Water Usage Reuse water requirememnt quantity of water and avalibility number wasted/use gallons/wk Pools (availible) 2 34272 34272 Rainwater ( availible) 1 5094.23 5094 Bleeding water ( Available) 1 2.8 gpm 28224 Shower water( Req) 48 1.5gpm 87150 Sink faucets ( Req) 18 2.2gpm 19173 dual flush toilets ( Req) 23 small flush (0.8gpf) 0.8gpm 13944 big flush (1.6 gpf) 1.6gpm 9296 Soccer Field ( Req) 1 2" per week 214800 Softball Field ( Req) 1 2" per week 77317 Recreational field (req) 1 2" per week 90000 Total water required 511680 Total water availble 149646
- 16. Availability of water for irrigation purposes Water Available from Different Sources 100000 90000 80000 Water in gallons per week 70000 60000 50000 40000 30000 20000 10000 0 1 2 3 4 5 6 7 8 9 10 11 12 Months Backwash Water Shower Head Water Bleeding Water
- 17. Availability of water for irrigation purposes case 1 case 2 Case 3
- 19. Draught Tolerant Plants Used in Landscaping Palo Verde - Western Soapberry Desert Willow "Desert Museum"
- 20. Energy and Atmosphere – LEED Points 6 • Cr2. On-site Renewable Energy • 12.5% renewable energy • PV solar system for electricity generation • Cr3. Enhanced Commissioning • Cr5. Measurement and Verification • Cr6. Green Power
- 21. Schematic of Solar Thermal Heating System
- 22. Analysis using Retscreen Model for Solar Thermal Heating System Used: EnerWorks glazed COL-4x8-NL-SG1-SH10 No. of Panels: 240 Total Cost: $ 100,000 Project Life: 25 years
- 23. Analysis of Solar PV System Total Cost: $ 56,574.00 System Capacity: 9KW Project Life: 25 years
- 24. LEED Certification Achieved LEED Silver – 34 Areas Points Sustainable Sites 10 Water efficiency 4 Energy and Atmosphere 6 Materials and Resources 4 Indoor environmental quality 9 Innovation and Design 1
- 25. Acknowledgements • Brian Carter – Swimming and Fitness Center • Albert Villalobos, Juan Guerra, Luis B. Morales, Miguel Sarabia, Juan Flores, Robert Parham, Danny Cisneros – UTEP Facilities Services • Gad Ronat – Solar Solutions • Ed Hamlyn - Center for Environmental Resource Management