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Kenneth G. Langone Athletic and Recreation Center

This project outlines a redesign of the Kenneth Langone Athletic and Recreation Center, focusing on a new engineered lumber structural system to fit the area's history and aesthetics. Cost and construction time comparisons are made for the innovative system.

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Kenneth G. Langone Athletic and Recreation Center

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  1. Kenneth G. Langone Athletic and Recreation Center Kyle Oberdorf Structural Option Thesis April 2007

  2. Presentation Outline • Introduction • Existing Structural System • Problem Statement • Problem Solution • Depth Study • Alternative System Design • Breadth Study • LEED Certification • Natatorium Duct Redesign • Conclusion • Acknowledgements Kyle Oberdorf Kenneth Langone Athletic and Recreation Center

  3. Introduction

  4. Introduction Project Team: Owner: Bucknell University AE Firm: Ewing Cole Cherry Brott CM: R.S. Mowery and Sons

  5. Introduction • Location: Lewisburg, Pa • Gymnasium and Natatorium Additions to Existing Facilities • 102,000+ Sqft • $27 Million • Construction: May 2001-Early 2003 • Design-Bid-Build

  6. Existing Structural System

  7. Existing Structural System • Foundation: Continuous and Spread Footings • Gravity Force Resisting System • W shaped Columns • Prefabricated Structural Steel Roof Trusses

  8. Existing Structural System • Floor System • 2” 20 Gauge Composite Steel Decking • 4 ½” Normal Weight Concrete • ¾” Diameter 5” Long Shear Studs

  9. Existing Structural System • Lateral Force Resisting System • Cross Braced Frames • Extra Strong ASTM 501A Steel Pipe • ½” Steel Gusset

  10. Problem Statement & Problem Solution

  11. Problem Statement • Redesign Structural System Using Engineer Wood Products to Better Fit Area’s History and Aesthetics • Compare Cost and Construction Time Kyle Oberdorf Kenneth Langone Athletic and Recreation Center

  12. Problem Solution • New Structural System • Engineered Lumber Arched Roof Beam • Engineered Lumber Columns • Engineered Lumber Floor Girders and Beams • Poured Concrete Floor on Metal Decking • Cost Analysis • Construction Time Comparison Kyle Oberdorf Kenneth Langone Athletic and Recreation Center

  13. Depth Study: Alternative Structural System Design

  14. Arched Roof BeamsGeneral • Natatorium • Span: 123’ 8” • Gymnasium • Span: 158’ 10” • General Conditions • 20 gauge Architectural Metal Sheet Roofing over 5” of Rigid Insulation on 18 gauge Steel Decking • Loads (psf) • Roofing 13 • Snow 30 • Wind 25 Kyle Oberdorf Kenneth Langone Athletic and Recreation Center

  15. Arched Roof BeamNatatorium • 12” x 54” Southern Pine 30F-E2 • 7/8” 6 x 7FC Structural Steel Cable

  16. Arched Roof BeamGymnasium • 12” x 68” Southern Pine 30F-E2 • 7/8” 6 x 7FC Structural Steel Cable

  17. Column • 12” x 18” Southern Pine Grade N1D14 • Oversized to meet 2 hour fire rating

  18. Floor System • 19” x 29” Southern Pine 30F-E2 Beams • 18” x 29” Southern Pine 30F-E2 Girders • Oversized to meet 2 hour fire rating

  19. Lateral Force Resisting System • 9 ½” x 12” Southern Pine Grade N1D14 • Design Controlled by Tension Side of Cross • Oversized to meet 2 hour fire rating

  20. Cost/Construction Time • Cost • Construction Time • Identical Erection Time • Wood has a longer production time

  21. Breadth Study: LEED Certification HVAC Delivery System

  22. LEED Certification • Sustainable Site • 11 out of 14 • Points Earned by Wood System • 4 points from Materials and Resources Section

  23. HVAC Delivery System • Pool Seating • 44” Dia. Supply • 2” Dia. Holes • North/South Pool • 66” Dia. Supply • 2” Dia. Holes

  24. Conclusion

  25. Conclusion • New System is a Viable Alternative • Limited Price Increase • Approx. Same Construction Time • Recommendation • Use Wood Columns and Roof Beams when left exposed.

  26. Acknowledgements • Bucknell Unversity • Ewing Cole Cherry Brott • R.S. Mowery and Sons • AE Department • Family • And the great friends I’ve made along the way

  27. Questions

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