8/22/2019 Post Tensioning Institute Sustainability Study

1/5

8/22/2019 Post Tensioning Institute Sustainability Study

2/5

8/22/2019 Post Tensioning Institute Sustainability Study

3/5

8/22/2019 Post Tensioning Institute Sustainability Study

4/5

8/22/2019 Post Tensioning Institute Sustainability Study

5/5