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

2. Site Location

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

5. Average wind speed

6. Google Sketchup Model

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

18. Proposed water storage

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