1. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Presentation Outline: Project Background LEED-EB Analysis Finish Floor Systems Healthy Learning Environment Conclusions Penn Valley Elementary School Evan McNamara Construction Management Narberth, Pennsylvania

2. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Project Players Owner: Lower Merion School District Architect: SPG 3 Architects CM: Foreman Program and Construction Managers General Contractor: TN Ward - Subcontractors: Mechanical, Electrical, Plumbing Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions

3. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Project Description SIZE: 95,011 S.F. 84,931 S.F. RENOVATION 10,080 S.F. ADDITION COST: $12,489,259 START DATE: 06/01/03 DURATION: 23 months DELIVERY METHOD: Design-Bid-Build Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions

4. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions

5. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Analysis 1 - LEED-EB Presentation Outline: Project Background LEED-EB Analysis Finish Floor Systems Healthy Learning Environment Conclusions

6. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania What is LEED-EB? LEED-EB - Leadership in Energy & Environmental Design for Existing Buildings LEED-EB Green Building Rating System addresses the following issues: Building cleaning and maintenance issues Ongoing indoor air quality Water and Energy efficiency Recycling programs and facilities Exterior maintenance programs System upgrades to meet green building standards Presentation Outline: Project Background LEED-EB Analysis Finish Floor Systems Healthy Learning Environment Conclusions

7. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania LEED-EB Green Building Rating System Points are earned for satisfying credits in the following categories: Sustainable Sites (14 possible points) Water Efficiency (5 possible points) Energy & Atmosphere (23 possible points) Materials & Resources (16 possible points) Indoor Environmental Quality (22 possible points) Innovation in Upgrades, Operations, and Maintenance (5 possible points) Total of 85 points possible Presentation Outline: Project Background LEED-EB Analysis Finish Floor Systems Healthy Learning Environment Conclusions

8. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania LEED-EB Certification Presentation Outline: Project Background LEED-EB Analysis Finish Floor Systems Healthy Learning Environment Conclusions Certified: 32 – 39 points Silver: 40 – 47 points Gold: 48 – 63 points Platinum: 64 – 85 points

9. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Benefits of LEED Certification Presentation Outline: Project Background LEED-EB Analysis Finish Floor Systems Healthy Learning Environment Conclusions Reduce operating costs Reduce the destruction of natural areas and habitats Reduce air and water pollution and solid waste Reduce depletion of finite resources Enhance asset value and profits Healthier and safer indoor environments Healthier outdoor environments Personal satisfaction

10. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania List of Attainable Items Presentation Outline: Project Background LEED-EB Analysis Finish Floor Systems Healthy Learning Environment Conclusions Sustainable Sites: (6 attainable points) Plan for Green Site and Building Exterior Management Alternative Transportation: Bicycle Storage & Changing Rooms Alternative Transportation: Car Pooling & Telecommuting Reduced Site Disturbance: Protect or Restore Open Space Heat Island Reduction: Non-Roof Light Pollution Reduction

11. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Presentation Outline: Project Background LEED-EB Analysis Finish Floor Systems Healthy Learning Environment Conclusions List of Attainable Items Water Efficiency: (3 attainable points) Water Efficient Landscaping: Reduce Water Use Water Use Reduction (2 points)

12. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania List of Attainable Items Presentation Outline: Project Background LEED-EB Analysis Finish Floor Systems Healthy Learning Environment Conclusions Energy & Atmosphere: (6 attainable points) Building Operations and Maintenance: Staff Education Building Operations and Maintenance: Building Systems Monitoring Additional Ozone Protection Performance Measurement: Enhanced Metering (2 points) Documenting Sustainable Building Cost Impacts

13. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania List of Attainable Items Presentation Outline: Project Background LEED-EB Analysis Finish Floor Systems Healthy Learning Environment Conclusions Materials & Resources: (8 attainable points) Construction, Demolition, and Renovation Waste Management Optimize Use of IAQ Compliant Products Sustainable Cleaning Products and Materials (2 points) Occupant Recycling (3 points) Additional Toxic Material Source Reduction: Reduced Mercury in Light Bulbs

14. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania List of Attainable Items Presentation Outline: Project Background LEED-EB Analysis Finish Floor Systems Healthy Learning Environment Conclusions Indoor Environmental Quality: (16 attainable points) Outside Air Delivery Monitoring Increased Ventilation Construction IAQ Management Plan Documenting Productivity Impacts: Absenteeism and Healthcare Cost Impacts Documenting Productivity Impacts: Other Impacts Indoor Chemical and Pollutant Source Control: Non- Cleaning – Reduce Particulates in Air Distribution Indoor Chemical and Pollutant Source Control – High Volume Copying/Printing Rooms/Fax Stations

15. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Indoor Environmental Quality, cont. Presentation Outline: Project Background LEED-EB Analysis Finish Floor Systems Healthy Learning Environment Conclusions Controllability of Systems: Lighting Controllability of Systems: Temperature & Ventilation Thermal Comfort: Compliance Thermal Comfort: Permanent Monitoring System Daylighting and Views: Daylighting for 50% of Spaces Green Cleaning: Entryway systems Green Cleaning: Low Environmental Impact Cleaning Policy Green Cleaning: Low Environmental Impact Pest Management Policy Green Cleaning: Low Environmental Impact Cleaning Equipment Policy

16. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania LEED-EB Analysis Conclusions Presentation Outline: Project Background LEED-EB Analysis Finish Floor Systems Healthy Learning Environment Conclusions LEED-EB certification is very achievable for PVES Several credits can already be satisfied without major changes Provides a cleaner and safer environment – indoors and outdoors Minimizes water and energy consumption Helps preserve the surrounding habitat

17. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Finish Floor System Analysis Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions

18. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions Corridors and Cafeteria High traffic areas Finish floor system must be tough and durable Design: calls for Vinyl Composition Tile Proposal: use Epoxy Terrazzo

19. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions Epoxy Terrazzo vs. Advantages Longer life expectancy Requires less upkeep and maintenance Disadvantages Higher installation cost Longer to install Labor intensive Vinyl Composition Tile Advantages Lower installation cost Quick installation time Not labor intensive Disadvantages Shorter life expectancy Requires more upkeep and maintenance

20. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions Epoxy Terrazzo vs. Vinyl Composition Tile Cost / S.F. Installation Cost Annual Maintenance Cost / S.F. Life Expectancy Long Term Cost (After 50 years) Terrazzo$12.95/S.F.$186,014$0.45/S.F.50 years$509,204 VCT$2.98/S.F.$43,805$0.90/S.F.20 years$777,795 Corridors and Cafeteria 14,364 SF

21. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions Classrooms Not prone to as much traffic Design: calls for Vinyl Composition Tile Proposal: use Carpet

22. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Classrooms 36,200 SF Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions Vinyl Composition Tile vs. Carpet Cost / S.F. Installation Cost Annual Maintenance Cost / S.F. Life Expectancy Long Term Cost (After 50 years) VCT$2.98/S.F.$107,876$0.90/S.F.20 years$1,952,628 Carpet$3.38/S.F.$122,718$0.70/S.F.15 years$1,757,872

23. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Finish Floor System Conclusions Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions Corridors and Cafeteria Use Epoxy Terrazzo Save $270,000 after 50 years of use Classrooms Use Carpet Save $ 195,000 after 50 years of use

24. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Healthy Learning Environment Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions

25. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Improving Healthy Learning Environment Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions Eliminate and/or reduce indoor air pollutants Regulate thermal comfort levels (especially humidity) Minimize sources for microbial growth Maximize natural ventilation (operable windows) Maximize daylighting

26. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions Poor Indoor School Environments Decrease students potential for education Increase potential for health problems Negative impact on comfort level Increased absenteeism Reduce performance of teachers and staff Reduce efficiency of schools operating systems Create negative publicity Create potential liability problems

27. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Sources of Indoor Air Pollutants Copy/print areas Food prep areas Cleaning materials Emissions from trash Pesticides Odors and VOC’s from paint, chalk, and adhesives Dry-erase markers Personal care products Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions

28. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Major sources for microbial growth Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions HVAC equipment (drip pans, ductwork, coils) Must be easily accessible to clean, inspect, and maintain Use sloped condensate drains where necessary to eliminate stagnant water – main source for microbial growth Use high-quality stainless steel pans to resist corrosion Proper trapping of all drain pipes to reduce sewer gasses into the ventilation system

29. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Two-wheel Desiccant System Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions Regulates Humidity Control (ideally between 40% - 50%) Controls amount of condensate with in the system Absorbs Moisture from outside air before entering as supply air Can be retrofitted to existing mechanical system (roof mounted) Priced around $134,500 ($5/cfm)

30. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions Healthy Learning Environment Conclusion Eliminate sources of air pollutants Control comfort level of occupants Regulate humidity to reduce microbial growth Optimize use of operable windows for natural ventilation and daylighting

31. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions Final Thoughts and Conclusions Pursue LEED-EB certification, very achievable Install Epoxy Terrazzo in corridors and cafeteria Install Carpet in the classrooms Implement a healthy learning environment to improve production out of students as well as teachers

32. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Presentation Outline: Project Background LEED-EB Analysis Finish Floor Systems Healthy Learning Environment Conclusions Acknowledgements Penn State AE Faculty Foreman Program and Construction Managers SPG 3 Architects Lower Merion School District Friends and Family

33. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Presentation Outline: Project Background LEED-EB Analysis Finish Floor Systems Healthy Learning Environment Conclusions QUESTIONS???

34. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Presentation Outline: Project Background LEED-EB Analysis Finish Floor Systems Healthy Learning Environment Conclusions Penn Valley Elementary School Evan McNamara Construction Management Narberth, Pennsylvania

35. Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions Two-wheel Desiccant System