Kenneth G. Langone Langone Kenneth G. Athletic and Recreation Athletic and Recreation Center Center Kyle Oberdorf Kyle Oberdorf Structural Option Structural Option Thesis Thesis April 2007 April 2007
Presentation Outline Presentation Outline � Introduction � Introduction � Existing Structural System � Existing Structural System � Problem Statement � Problem Statement � Problem Solution � Problem Solution � Depth Study � Depth Study – Alternative System Design Alternative System Design – � Breadth Study � Breadth Study – LEED Certification LEED Certification – – Natatorium Duct Redesign Natatorium Duct Redesign – � Conclusion � Conclusion � Acknowledgements � Acknowledgements Kyle Oberdorf Kenneth Langone Athletic and Recreation Center
Introduction Introduction
I ntroduction I ntroduction Project Team: Project Team: Owner: Bucknell Bucknell University University Owner: AE Firm: Ewing Cole Cherry Brott Brott AE Firm: Ewing Cole Cherry CM: R.S. Mowery and Sons CM: R.S. Mowery and Sons
I ntroduction I ntroduction � Location: Lewisburg, Pa Location: Lewisburg, Pa � � Gymnasium and Gymnasium and � Natatorium Additions to Natatorium Additions to Existing Facilities Existing Facilities � 102,000+ 102,000+ Sqft Sqft � � $27 Million $27 Million � � Construction: May Construction: May � 2001- -Early 2003 Early 2003 2001 � Design Design- -Bid Bid- -Build Build �
Existing Structural System Existing Structural System
Existing Structural Existing Structural System System � Foundation: Continuous and Spread Foundation: Continuous and Spread � Footings Footings � Gravity Force Resisting System Gravity Force Resisting System � – W shaped Columns W shaped Columns – – Prefabricated Structural Steel Roof Prefabricated Structural Steel Roof – Trusses Trusses
Existing Structural Existing Structural System System � Floor System � Floor System – 2 2” ” 20 Gauge Composite Steel 20 Gauge Composite Steel – Decking Decking – 4 4 ½ ” ½ ” Normal Weight Concrete Normal Weight Concrete – – ¾ ” ¾ ” Diameter 5 Diameter 5” ” Long Shear Long Shear – Studs Studs
Existing Structural Existing Structural System System � Lateral Force Resisting System � Lateral Force Resisting System – Cross Braced Frames Cross Braced Frames – – Extra Strong ASTM 501A Steel Pipe Extra Strong ASTM 501A Steel Pipe – – ½ ” ½ ” Steel Gusset Steel Gusset –
Problem Statement Problem Statement & & Problem Solution Problem Solution
Problem Statement Problem Statement � Redesign Structural System Using Engineer Redesign Structural System Using Engineer � Wood Products to Better Fit Area’ ’s History s History Wood Products to Better Fit Area and Aesthetics and Aesthetics � Compare Cost and Construction Time Compare Cost and Construction Time � Kyle Oberdorf Kenneth Langone Athletic and Recreation Center
Problem Solution Problem Solution � New Structural System � New Structural System – – Engineered Lumber Arched Roof Beam Engineered Lumber Arched Roof Beam – – Engineered Lumber Columns Engineered Lumber Columns – – Engineered Lumber Floor Girders and Beams Engineered Lumber Floor Girders and Beams – – Poured Concrete Floor on Metal Decking Poured Concrete Floor on Metal Decking � Cost Analysis � Cost Analysis � Construction Time Comparison � Construction Time Comparison Kyle Oberdorf Kenneth Langone Athletic and Recreation Center
Depth Study: Depth Study: Alternative Structural Alternative Structural System Design System Design
Arched Roof Beams Arched Roof Beams General General � Natatorium Natatorium � – Span: 123 Span: 123’ ’ 8 8” ” – � Gymnasium Gymnasium � – Span: 158 Span: 158’ ’ 10 10” ” – � General Conditions General Conditions � – 20 gauge Architectural Metal Sheet Roofing over 20 gauge Architectural Metal Sheet Roofing over – 5” ” of Rigid Insulation on 18 gauge Steel Decking of Rigid Insulation on 18 gauge Steel Decking 5 – Loads ( Loads (psf psf) ) – � Roofing 13 Roofing 13 � � Snow 30 Snow 30 � � Wind 25 Wind 25 � Kyle Oberdorf Kenneth Langone Athletic and Recreation Center
Arched Roof Beam Arched Roof Beam Natatorium Natatorium � 12 12” ” x 54 x 54” ” Southern Pine 30F Southern Pine 30F- -E2 E2 � � 7/8 7/8” ” 6 x 7FC Structural Steel Cable 6 x 7FC Structural Steel Cable �
Arched Roof Beam Arched Roof Beam Gymnasium Gymnasium � 12 12” ” x 68 x 68” ” Southern Pine 30F Southern Pine 30F- -E2 E2 � � 7/8 7/8” ” 6 x 7FC Structural Steel Cable 6 x 7FC Structural Steel Cable �
Column Column � 12 12” ” x 18 x 18” ” Southern Pine Grade N1D14 Southern Pine Grade N1D14 � � Oversized to meet 2 hour fire rating Oversized to meet 2 hour fire rating �
Floor System Floor System 19” ” x 29 x 29” ” Southern Pine 30F Southern Pine 30F- -E2 Beams E2 Beams 19 � � 18” ” x 29 x 29” ” Southern Pine 30F Southern Pine 30F- -E2 Girders E2 Girders 18 � � Oversized to meet 2 hour fire rating Oversized to meet 2 hour fire rating � �
Lateral Force Resisting Lateral Force Resisting System System � 9 9 ½ ” ½ ” x 12 x 12” ” Southern Pine Grade Southern Pine Grade � N1D14 N1D14 � Design Controlled by Tension Side of Design Controlled by Tension Side of � Cross Cross � Oversized to meet 2 hour fire rating Oversized to meet 2 hour fire rating �
Cost/ Construction Cost/ Construction Time Time � Cost Cost � Steel Wood Beam $14500.00 $15900.00 Column $3700.00 $2100.00 � Construction Time Construction Time � – Identical Erection Time Identical Erection Time – – Wood has a longer production time Wood has a longer production time –
Breadth Study: Breadth Study: LEED Certification LEED Certification HVAC Delivery System HVAC Delivery System
LEED Certification LEED Certification � Sustainable Site � Sustainable Site – 11 out of 14 11 out of 14 – � Points Earned by Wood System � Points Earned by Wood System – 4 points from Materials and Resources 4 points from Materials and Resources – Section Section
HVAC Delivery System HVAC Delivery System � Pool Seating Pool Seating � – 44 44” ” Dia Dia. Supply . Supply – – 2 2” ” Dia Dia. Holes . Holes – � North/South Pool North/South Pool � – 66 66” ” Dia Dia. Supply . Supply – – 2 2” ” Dia Dia. Holes . Holes –
Conclusion Conclusion
Conclusion Conclusion � New System is a Viable Alternative New System is a Viable Alternative � – Limited Price Increase Limited Price Increase – – Approx. Same Construction Time Approx. Same Construction Time – � Recommendation � Recommendation – Use Wood Columns and Roof Beams Use Wood Columns and Roof Beams – when left exposed. when left exposed.
Acknowledgements Acknowledgements � Bucknell Bucknell Unversity Unversity � � Ewing Cole Cherry Ewing Cole Cherry Brott Brott � � R.S. Mowery and Sons R.S. Mowery and Sons � � AE Department AE Department � � Family Family � � And the great friends I And the great friends I ’ ’ve made along ve made along � the way the way
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