UNC - IRB Chapel Hill, NC
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UNC Imaging Research Building Chapel Hill, NC Daniel R. Hesington, LEED AP l Structural Option AE Senior Thesis l Spring 2010 Faculty Consultant l Dr. Thomas Boothby UNC - IRB Chapel Hill, NC Existing Building Information Blast Resistant Façade Breadth Project Goals Conclusions Outline Structural Depth Study Acknowledgements Construction Management Breadth Questions and Comments UNC - IRB Existing Building Infor mation Chapel Hill, NC Project Goals Structural Depth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Existing Building Information UNC - IRB Existing Building Infor mation Chapel Hill, NC PH Project Goals Structural Depth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments 4-UNIT FLOORS TOWNHOUSES Perspective from Northwest Corner Credit: Perkins + Will CELLAR UNC - IRB Existing Building Infor mation Chapel Hill, NC Project Goals Structural Depth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments South Elevation Credit: Perkins + Will UNC - IRB Existing Building Infor mation Project Goals Structural Depth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Chapel Hill, NC UNC - IRB Existing Building Information Chapel Hill, NC Project Goals Structural Depth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Project Goals UNC - IRB Existing Building Information Chapel Hill, NC Project Goals Structural Depth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Existing Concrete Structure RAM Model UNC - IRB Existing Building Information Chapel Hill, NC Project Goals Structural Depth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Steel Redesign RAM Model UNC - IRB Existing Building Information Chapel Hill, NC Project Goals Str uctural De pth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Structural Depth Study UNC - IRB Existing Building Information Chapel Hill, NC Project Goals Str uctural De pth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Design Goals To maintain the current column layout as much as possible To design the new composite floor system efficiently so that the total depth of the system is less than the original to free up vertical trade space Use RAM and confirm designs with hand calculations To present a design that has a shorter construction schedule and less cost To follow all codes and standards during the redesign UNC - IRB Chapel Hill, NC Existing Building Information Project Goals Str uctural De pth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Design Loads ASCE 7-05 Live load values Superimposed load values Controlling load combination 1.2 D + 1.6L + 0.5 Lr Description Reinforced Normal Weight Concrete Slab + Deck Roof Offices Public Areas, Lobbies Laboratories Corridors, 2nd & Above Corridors Ground Stairs Catwalk Storage Heavy File Storage Mechanical Rooms Level B1 Snow Lateral Loads Wind East/West North/South Finishes, MEP, Partions Bathroom Terrazo Lobby Terrazo Mechanical Courtyard 3T MRI Room 7T Sheilding Hot Cells Water Tank Table 1 -Gravity Loads Mulkey DEAD (DL) 150 pcf 65 psf LIVE (LL) 30 psf 50 psf 100 psf 100 psf 100 psf 100 psf 100 psf 40 psf 125 psf 200 psf 150 psf 150 psf SNOW (S) 16.5 psf SUPERIMPOSED (SDL) 25 psf 40 psf 60 psf 300 psf 250 psf 75 psf 350 psf 350 psf ASCE 7-05 150 pcf 65 psf 20 psf 50 psf 100 psf 60 psf 100 psf 100 psf 100 psf 40 psf 125 psf 250 psf 150 psf N/A 16.5 psf 25 psf N/A N/A N/A N/A N/A N/A N/A UNC - IRB Chapel Hill, NC Existing Building Information Project Goals Str uctural De pth Study Construction Management Breadth Blast Resistant Façade Breadth Design Process Maintain existing column layout Determination of loads Area Loads Line Loads Model in RAM Deck Selection Layout of Framing Braced Frame Locations Hand Calculations Conclusions Acknowledgements Questions and Comments Lobby Terrazo Typical Floor Load DL = 25 psf LL = 100 psf Const. DL = 25 psf Const. LL = 50 psf Mass DL = 25 psf Reducible Bathroom Terrazo Typical Floor Loads UNC - IRB Existing Building Information Chapel Hill, NC Project Goals Str uctural De pth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Floor System Composite metal deck Design governed by load, span Vulcraft Product Catalog 2”, 20 gage deck with 4 ¼” lightweight concrete Benefits Speed of steel construction No shoring Slight increase in thickness Drawbacks Shorter spans Composite Deck Design UNC - IRB Existing Building Information Project Goals Str uctural De pth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Chapel Hill, NC UNC - IRB Existing Building Information Chapel Hill, NC Project Goals Str uctural De pth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Column Code Check UNC - IRB Existing Building Information Project Goals Str uctural De pth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Chapel Hill, NC UNC - IRB Existing Building Information Project Goals Str uctural De pth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Chapel Hill, NC UNC - IRB Existing Building Information Chapel Hill, NC Project Goals Str uctural De pth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Lateral Frame Locations UNC - IRB Existing Building Information Project Goals Str uctural De pth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Chapel Hill, NC UNC - IRB Chapel Hill, NC Existing Building Information Wind Wind Height Wind Allowable Story North/South East/West Above Drift (in) Floor Height Drift (in) Drift (in) Ground(ft) z (ft) Story Total Story Total Story Total Project Goals Str uctural De pth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Table 2 - Story and Overall Drifts for Steel Redesign = Roof Mech Mez. 8 7 6 5 4 3 2 Seismic North/South Drift (in) Seismic East/West Drift (in) Seismic Allowable Drift (in) Story Total Story Total Story Total 162.00 14.33 0.38 2.70 0.27 1.93 0.43 4.86 0.20 1.41 0.22 1.49 3.44 38.88 148.66 16.66 0.33 2.43 0.24 1.74 0.50 4.46 0.18 1.31 0.20 1.37 4.00 35.68 130.00 114.00 98.00 82.00 66.00 50.00 34.00 0.33 0.33 0.31 0.29 0.24 0.22 0.22 2.06 1.73 1.39 1.06 0.75 0.46 0.22 0.24 0.24 0.22 0.21 0.16 0.17 0.17 1.47 1.23 0.99 0.76 0.54 0.33 0.17 0.48 0.48 0.48 0.48 0.48 0.48 0.48 3.90 3.42 2.94 2.46 1.98 1.50 1.02 0.18 0.18 0.16 0.15 0.12 0.10 0.10 1.08 0.89 0.71 0.53 0.37 0.22 0.10 0.19 0.19 0.17 0.17 0.12 0.12 0.12 1.15 0.96 0.76 0.57 0.40 0.23 0.12 3.84 3.84 3.84 3.84 3.84 3.84 3.84 31.20 27.36 23.52 19.68 15.84 12.00 8.16 16.00 16.00 16.00 16.00 16.00 16.00 16.00 UNC - IRB Existing Building Information Project Goals Str uctural De pth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Chapel Hill, NC UNC - IRB Existing Building Information Chapel Hill, NC Project Goals Structural Depth Study Constr uction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Construction Management Breadth UNC - IRB Existing Building Information Project Goals Structural Depth Study Constr uction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Chapel Hill, NC UNC - IRB Existing Building Information Project Goals Chapel Hill, NC Table 4.2 - Structural Material, Labor, and Equipment Totals Steel Constr uction Management Breadth Summary Material Total Labor Total Equipment Total Total Blast Resistant Façade Breadth Concrete Structural Depth Study Conclusions Acknowledgements Questions and Comments Summary Material Total Labor Total Equipment Total Total Cost Per Square Foot($/SF) Total Cost($) $40.26 $3,351,091.08 $2.09 $174,227.83 $1.87 $155,824.62 $44.22 $3,681,143.53 Cost Per Square Foot($/SF) $24.77 $32.26 $0.95 $57.99 Total Cost($) $2,062,368.33 $2,685,458.12 $79,250.54 $4,827,076.98 UNC - IRB Existing Building Information Project Goals Structural Depth Study Constr uction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Chapel Hill, NC UNC - IRB Existing Building Information Chapel Hill, NC Project Goals Structural Depth Study Construction Management Breadth B l a s t Re s i s t a n t Fa ç a d e B r e a d t h Conclusions Acknowledgements Questions and Comments Blast Resistant Façade Breadth UNC - IRB Existing Building Information Chapel Hill, NC Project Goals Structural Depth Study Construction Management Breadth B l a s t Re s i s t a n t Fa ç a d e B r e a d t h Conclusions Acknowledgements Questions and Comments USDOT Equivalent Charge Weight UNC - IRB Existing Building Information Chapel Hill, NC Project Goals Structural Depth Study Construction Management Breadth B l a s t Re s i s t a n t Fa ç a d e B r e a d t h Conclusions Acknowledgements Questions and Comments Non-Factored Load Chart UNC - IRB Existing Building Information Project Goals Str uctural De pth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Chapel Hill, NC UNC - IRB Existing Building Information Chapel Hill, NC Project Goals My friends and family for their suppor t and encouragement Mulkey Engineers and Consultants Valoree Eikinas Adam Rowland Structural Depth Study Perkins + Will Chris Nesbit Construction Management Breadth Newcomb and Boyd Choate Constr uction Blast Resistant Façade Breadth Conclusions A c k n ow l e d g e m e n t s Questions and Comments Acknowledgements University of Nor th Carolina T he Pennsylvania State University Dr. Thomas Boothby Prof. M. Kevin Parfitt Prof. Robert Holland Dr. Louis Geschwindner The entire AE faculty UNC - IRB Existing Building Information Chapel Hill, NC Project Goals Structural Depth Study Construction Management Breadth Blast Resistant Façade Breadth Conclusions Acknowledgements Questions and Comments Questions and Comments
