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Bay team’s Output

Bay team’s Output. Architect Cindy Chan. Engineer Yang, Yao-Hung. Construction Manager David Walthall. San Francisco Seismic Concern Liquefaction and Landslides. Climate Data San Francisco Oceans, California USA Located at 37.73 N 122.50 W, 100 feet above sea level.

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Bay team’s Output

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  1. Bay team’s Output Architect Cindy Chan Engineer Yang, Yao-Hung Construction Manager David Walthall

  2. San FranciscoSeismic ConcernLiquefaction and Landslides

  3. Climate Data San Francisco Oceans, California USALocated at 37.73 N 122.50 W, 100 feet above sea level • Average Temperature 55.6 °F • Annual Rainfall 1.9 inches • Heating Degree <65°F / Year 1921 • Cooling Degree 23 • Reference Site

  4. Urban Texture N Campus Transaction of Urban and Nature Campus Grid vs. City Grid

  5. San Francisco State University N Student Health Center Student Service Complex J.P. Leonard Library Cesar Chavez Student Center Burk Hall

  6. Redesign- Sundial Project Original Concept • The Sundial will be a marker of time and movement of the activities that occur inside the building • Hallways acting like a Telescope (provide view to SF), allowing outsiders to have a clear view of the activities occurring inside. Goal • Add Cafeteria and Gym • Using the unique cone structure to centralize main social activity • Provide more efficient circulation and encourage interaction.

  7. B 2nd Floor Plan 1st 3rd E N Gym 2 Floor height open space 660 SF- 26’ 400 SF - 16’ Chair Office Faculty Office Secretaries Columns and Glass Panels alone the Gym R R Cafeteria

  8. Attempt of Material Choice A: Using Tensile structure for the cone structure E: Concern about safety Issues: Wind velocity Owner : Low R-Value for the tensile structure A: short life cycle of the structural material Use double glazing for the structure

  9. Redesign Structure Alts

  10. Redesign Concrete selected

  11. Alt 1 - The Spine ProjectThe fundamentals of Engineering Profession… • Research • Recording • Analyzing • Storing Private Faculty Display Information Knowledge E` Student Public Centralize Encourage Social Interaction

  12. Spine Floor Plan 1st 2nd 3rd

  13. Spine Material Choice

  14. Spine Structure Alternatives

  15. Spine Brace with Energy dissipation devices Spine with glass cladding

  16. Spine Alt 1Brace & Damping

  17. The Curve Wall Project

  18. Concept Curve Wall Entrance Entrance Circulation/Service Strip Cantilever Structure

  19. Basement Plan Evolution Classroom/ Lab Receive defuse North light 1st Student Office Close to student body Lobby 2 fl height open space Auditorium Public Space alone the Curve Wall Ramp Handicap Access. Curve Wall Sense of continuity 2nd Cantilever Bridge to the nature

  20. Material Choice

  21. Curve Alternatives

  22. Auditorium & Cantilever Cantilever Part Auditorium Shear connection

  23. Foundation: Footing Spread Footing (Shallow Foundation) Used Dimension: 3.6 x 3.6 Square Footing

  24. Retaining Wall • – Water table - 16-20’ • Soil Friction angle - 20 • Cohesion - 250 lb/Ft2

  25. Construction Constraints and Considerations • Site Location • Close to ocean • San Francisco – seismic activity • Metropolitan area – accessibility and construct ability

  26. Major Highway Location of Site

  27. AVOID!!

  28. Trailer Radius of Crane Alternative Site Layouts Material Storage Flow of Traffic

  29. Radius of Crane Flow of Traffic Material Storage Trailer

  30. Funds Available for Project

  31. $500,000 = Conservative values + Inflation + Cyclical Costs + Improved Methods

  32. Equipment Selection • Mobility Maneuverability • Availability • Cost

  33. 120 TonAll Terrain CraneGrove GMK-5120B For use with heavy columns And beams as wells as Decking Reach of 72 feet to 115 feet. Heights from 52 feet to 72 feet. Lift capacities atmaximum reach of 1320 pounds to 2200 pounds. Maximum lift of up to 8800 pounds. For use with VRML

  34. Price Breakdown

  35. Comments

  36. Team Dynamics

  37. Lessons Learned / Improvement Lessons • Architect – Communication through 2D and 3D graphic program, Patient and Trust. • Engineer – 3D coordination,Communication, • CM – Complete Documentation exchange between discipline Improvement • Precisely define the size of components • 3 D software modeling • Always Keep other members inform of ideas, progress, and changes through website • Time management and Efficient group meeting

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