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Evan McNamara Penn Valley Elementary School

This presentation outlines the LEED-EB analysis, finish floor systems, and healthy learning environment at Penn Valley Elementary School in Narberth, Pennsylvania.

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Evan McNamara Penn Valley Elementary School

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

  2. Project Players Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions Owner: Lower Merion School District Architect: SPG3 Architects CM: Foreman Program and Construction Managers General Contractor: TN Ward - Subcontractors: Mechanical, Electrical, Plumbing Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania

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

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

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

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

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

  8. 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 Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania

  9. 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 Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania

  10. 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 Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania

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

  12. 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 Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania

  13. 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 Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania

  14. 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 Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania

  15. 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 Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania

  16. 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 Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania

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

  18. 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 Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania

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

  20. Corridors and Cafeteria 14,364 SF Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania

  21. 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 Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania

  22. Classrooms 36,200 SF Presentation Outline: Project Background LEED Analysis Finish Floor Systems Healthy Learning Environment Conclusions Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania

  23. 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 Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania

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

  25. 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 Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania

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

  27. 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 Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania

  28. 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 Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania

  29. 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) Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania

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

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

  32. Acknowledgements Presentation Outline: Project Background LEED-EB Analysis Finish Floor Systems Healthy Learning Environment Conclusions Penn State AE Faculty Foreman Program and Construction Managers SPG3 Architects Lower Merion School District Friends and Family Evan McNamara Penn Valley Elementary School Construction Management Narberth, Pennsylvania

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

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

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

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