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TEAM 43 ACE Design Project May 22 nd 2019 Team 43 1. Challenge 2. Solution 3. Final Remarks 1. Challenge 2. Solution 3. Final Remarks Request For Proposal NYC is welcoming proposals for the expansion of the citys transportation

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  1. TEAM 43 ACE Design Project May 22 nd 2019

  2. Team 43

  3. 1. Challenge 2. Solution 3. Final Remarks

  4. 1. Challenge 2. Solution 3. Final Remarks

  5. Request For Proposal “NYC is welcoming proposals for the expansion of the city’s transportation system.” - Provide a new line or line extension with a new station - Deliver a meaningful and executable design - Should consider the impact on the community and environment

  6. About the Subway 5.7 Million commuters use the subway on an average weekday, and 1.757 Billion commuters use it per year. There are over 665 miles of mainline track, about 60% of which is underground. There are 472 total stations , most of which were built before 1940. https://www.6sqft.com/the-new-york-city-subway-in-fascinating-facts-and-figures/

  7. 1. Challenge 2. Solution 3. Final Remarks

  8. Overview Project Architectural Structural Mechanical Management • • • • Cost Estimate Visualization Calculations of load Heating • • • • TBM Duration Floor plan Structural components Consumer Ventilation • • • • Total Construction Design aesthetics Material choices Tunnel Ventilation • • Duration Estimate Capability against Air Conditioning • natural disasters Piston Effect

  9. Project Management Deliverables of this workstream T

  10. Project Management Procurement and Design Method Reduces design time Reduces Benefits of Design construction Build calendar Fast track schedule

  11. Project Management Project Management Cycle Request for Proposal (RFP) Design Project Time Guidelines (Parameters) Management Cycle Cost Location

  12. Project Management Site Selection

  13. Project Management Tunnel Estimated Construction Cost & Time Tunnel Option Construction Construction Schedule Cost Estimate Estimate Station TBM Machine Construction Est.$/mile: $ 1.3B Schedule: 299 Schedule : 3 Yrs days Max. Total Construction Est.: Est. cost for 1 3-4 Yrs (w/ overlap of construction) new station and 1 rehabilitated station: $173M Est. Total cost for project: $4.42B

  14. Architectural

  15. Architectural • Solution (as visual as you can) • Calculations • Drawings/ plans • Other important figures and results

  16. Architectural • Solution (as visual as you can) • Calculations • Drawings/ plans • Other important figures and results

  17. Architectural

  18. Architectural

  19. Architectural

  20. Structural • Calculated the dead and live loads • The choice of material that will perform the best in a given project • Precautions against natural disasters

  21. Structural

  22. Structural Drilling and Blasting Cut and Cover Tunnel Boring

  23. Structural

  24. Structural

  25. Structural

  26. Structural 15 STORE 30 12' 6" STORE A=675 sq ft W=100 lbs/sq ft LOAD = A*W = 67500 lbs

  27. Structural As a structural engineer we had the task of determining the excavation techniques as well as the appropriate structural components to use in the project. At the end, we chose boring as the best method to excavate the subway. In addition, we calculated the loading and calculated columns sizes based on architectural layouts.

  28. Mechanical Deliverables • Mechanical equipment for ventilation • Tunnel ventilation system • Platform and station ventilation systems

  29. Mechanical – Our Problem The Piston Effect 1 1 https://ascelibrary.org/cms/attachment/54d2407e-1e29-4e6a-8e92-2d03cae35902/figure1.jpg

  30. Mechanical – Our Problem The Piston Effect Cont. 1 2 When leaving a station, the train creates a sucking effect. In addition, the train also creates a pushing effect. 1 2 http://2.bp.blogspot.com/- https://qph.fs.quoracdn.net/main-qimg-55aa80c2abcaf623d9fb385fa4a9c5a3.webp klMaBRKD_Zw/VYneyPytY8I/AAAAAAAAAss/Y54Q3qFavGs/s1600/intake.jpg

  31. Mechanical – Calculations

  32. Mechanical – Solution Add Subway Grates • These are commonly used to reduce the Piston Effect, however they must be sized accordingly so that they are efficient and don't cut too much into funds. • These would be placed on both ends of the station, diminishing the vacuum/sucking effect as well as the pushing force. 1 1 https://media-cdn.tripadvisor.com/media/photo-s/0e/56/86/5f/marilyn-monroe-s-subway.jpg

  33. Mechanical – Problem Heating and Cooling of the Platform and Station • https://www.nytimes.com/2019/01/31/nyregion/cold-weather-polar-vortex-nyc.html • https://patch.com/new-york/new-york-city/heres-how-hot-your-subway-platform-summer-turns-stations-sweaty-hell • https://www.vice.com/en_ca/article/ev8jye/no-the-subway-doesnt-have-to-be-insanely-hot-and-gross

  34. Mechanical – Our Solution Design a ventilation system for heating and cooling the station

  35. 1. Challenge 2. Solution 3. Final Remarks

  36. Acknowledgments

  37. Thank You

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