UESTIONS ? R ACHEL ACHEL G INGERICH INGERICH S TRUCTURAL TRUCTURAL O - - PowerPoint PPT Presentation

▶
uestions
SMART_READER_LITE
LIVE PREVIEW

UESTIONS ? R ACHEL ACHEL G INGERICH INGERICH S TRUCTURAL TRUCTURAL O - - PowerPoint PPT Presentation

Feb 15, 2024 506 likes •1.01k views

T HE HE D UNCAN UNCAN C ENTER ENTER D OVER OVER , D ELAWARE ELAWARE R ACHEL ACHEL G INGERICH, INGERICH, S TRUCTURAL TRUCTURAL O PTION , PTION S ENIOR ENIOR T HESIS HESIS P RESENTATION RESENTATION A PRIL PRIL 15, 2008 15, 2008 P RESENTATION

slide-1
SLIDE 1

THE

HE DUNCAN UNCAN CENTER ENTER

DOVER

OVER, DELAWARE ELAWARE

RACHEL

ACHEL GINGERICH, INGERICH, STRUCTURAL TRUCTURAL OPTION PTION ,

SENIOR

ENIOR THESIS HESIS PRESENTATION RESENTATION

APRIL

PRIL 15, 2008

15, 2008

slide-2
SLIDE 2

PRESENTATION

RESENTATION OUTLINE UTLINE

  • A. Building Introduction
  • B. Existing Steel Structural System
  • C. Proposal Introduction

D D th/P d C t St t l S t

  • D. Depth/Proposed Concrete Structural System
  • E. Construction Management Breadth

g

  • F. Acoustics Breadth
  • G. Proposal Recommendation

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-3
SLIDE 3

BUILDING

UILDING STATISTICS TATISTICS

Location: Dover, Delaware Area: 76, 557 SF Height: 93’-0” Stories: 6 total ~Floor to floor height of 14’-0” ~5 floors and a penthouse

  • n the top floor

Personal Photo: Taken August 16, 2007

p ~ Balconies on 4th and 5th floors

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-4
SLIDE 4

BUILDING

UILDING STATISTICS TATISTICS

Floor Occupancies ~1st-4th Floor: Open Flex Office Spaces ~5th Floor: “The Outlook Center” Ballroom ~6th Floor: Management Offices

Personal Photo: Taken August 16, 2007

g Mechanical Rooms ~Basement: se e : Mechanical Room Electrical Room

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

Electrical Room

slide-5
SLIDE 5

BUILDING

UILDING CONSTRUCTION ONSTRUCTION

Overall Project Cost: $10.7 million Additional Tenant Fit-Out Cost: $46,000 Construction Start Date: June 2003 Construction End Date:

Photo by Jackson Architects: Taken July 23, 2003

June 2004 Project Delivery Method: Project Delivery Method: Design-Build

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-6
SLIDE 6

EXISTING

XISTING FRAMING RAMING SYSTEM YSTEM

~5” concrete on 2” composite metal deck ~24’x27’ typical bays of composite beams and girders

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-7
SLIDE 7

EXISTING

XISTING LATERAL ATERAL SYSTEM YSTEM

~Steel Moment Frames ~Flange welded/web bolted connections

P l Ph T k A 16 2007 RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

Personal Photo: Taken August 16, 2007

slide-8
SLIDE 8

EXISTING

XISTING LATERAL ATERAL SYSTEM YSTEM

North-South Direction Line 4

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-9
SLIDE 9

EXISTING

XISTING ROOF OOF FRAMING RAMING PLAN LAN

~Cold formed roof trusses spaced @ 24” o.c. ~1-1/2” metal roof deck

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-10
SLIDE 10

EXISTING

XISTING FOUNDATION OUNDATION PLAN LAN

~16” dia. augercast piles with pile caps; 85 ton compressive capacity ~24”x24” concrete piers

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-11
SLIDE 11

REASONS FOR

EASONS FOR PROPOSAL ROPOSAL

~Two-way flat plate slab found to be comparative to existing in Technical Assignment #2 ~Eliminate moment connections ~Eliminate fireproofing ~Increase mechanical cavity space ~Reduce cost ~Reduce Schedule ~Improve acoustics for ballroom ~Improve acoustics for floors adjacent to the ballroom ~Improve acoustics for floors adjacent to the ballroom

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-12
SLIDE 12

REASONS FOR

EASONS FOR PROPOSAL ROPOSAL

~Two-way flat plate slab found to be comparative to existing in Technical Assignment #2 ~Eliminate moment connections

Change Structural System to Concrete

~Eliminate fireproofing ~Increase mechanical cavity space ~Reduce cost ~Reduce Schedule ~Improve acoustics for ballroom ~Improve acoustics for floors adjacent to the ballroom ~Improve acoustics for floors adjacent to the ballroom

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-13
SLIDE 13

REASONS FOR

EASONS FOR PROPOSAL ROPOSAL

~Two-way flat plate slab found to be comparative to existing in Technical Assignment #2 ~Eliminate moment connections

Change Structural System to Concrete

~Eliminate fireproofing ~Increase mechanical cavity space ~Reduce cost

Compare Cost & Schedule of Existing vs.

~Reduce Schedule

Proposed

~Improve acoustics for ballroom ~Improve acoustics for floors adjacent to the ballroom ~Improve acoustics for floors adjacent to the ballroom

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-14
SLIDE 14

REASONS FOR

EASONS FOR PROPOSAL ROPOSAL

~Two-way flat plate slab found to be comparative to existing in Technical Assignment #2 ~Eliminate moment connections

Change Structural System to Concrete

~Eliminate fireproofing ~Increase mechanical cavity space ~Reduce cost

Compare Cost & Schedule of Existing vs.

~Reduce Schedule

Proposed

~Improve acoustics for ballroom ~Improve acoustics for floors adjacent to the ballroom

Compare Acoustic Performance of Existing vs. Proposed

~Improve acoustics for floors adjacent to the ballroom

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

Proposed

slide-15
SLIDE 15

PROPOSED

ROPOSED FRAMING RAMING SYSTEM YSTEM

~1st-4th Floors: 12” two-way flat slab; #5 spaced @ 12” o.c. each way ~5th Floor: 14” two-way flat slab, #5 spaced @ 10” o.c. each way

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-16
SLIDE 16

PROPOSED

ROPOSED FRAMING RAMING SYSTEM YSTEM

~6th Floor: 12” one-way slab with beams, #5 spaced @ 9” o.c. each way

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-17
SLIDE 17

PROPOSED

ROPOSED LATERAL ATERAL SYSTEM YSTEM

~Shear walls replace existing North and South masonry stair towers ~8” thick shear walls with #4 spaced @ 12” o.c. vertical & #4 spaced @ 10”

  • .c. horizontal

P l Ph T k A 16 2007 RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

Personal Photo: Taken August 16, 2007

slide-18
SLIDE 18

PROPOSED

ROPOSED LATERAL ATERAL SYSTEM YSTEM

East-West Direction Line A

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-19
SLIDE 19

PROPOSED

ROPOSED LATERAL ATERAL SYSTEM YSTEM

East-West Direction Line A7

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-20
SLIDE 20

PROPOSED

ROPOSED LATERAL ATERAL SYSTEM YSTEM

North-South Direction Line 4

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-21
SLIDE 21

PROPOSED

ROPOSED ROOF OOF FRAMING RAMING SYSTEM YSTEM

~Light steel framing with open web steel joists ~1-1/2” metal roof deck

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-22
SLIDE 22

PROPOSED

ROPOSED FOUNDATION OUNDATION SYSTEM YSTEM

~Pile cap configurations controlled by geometry

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-23
SLIDE 23

PROPOSED

ROPOSED FOUNDATION OUNDATION SYSTEM YSTEM

~18” dia. augercast piles with pile caps; 105 ton compressive capacity ~Columns connect directly to pile caps

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-24
SLIDE 24

DEPTH

EPTH CONCLUSIONS ONCLUSIONS

Mechanical Cavity Space Comparison

Existing Steel Proposed Concrete Floor g Structural System p Structural System Increase 1st Floor 2'-3" 3'-0" 9" 2nd Floor 2'-3" 3'-0" 9" 2nd Floor 2 3 3 0 9 3rd Floor 2'-3" 3'-0" 9" 4th Floor 2'-3" 3'-0" 9" 5th Floor 2'-3" 2'-10" 7" 6th Floor 2'-3" 2'-6" 3" RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-25
SLIDE 25

DEPTH

EPTH CONCLUSIONS ONCLUSIONS

~Foundations not as dramatically affected as expected ~Moment connections eliminated ~Reduced fireproofing, but did not eliminate ~Increased mechanical cavity space

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-26
SLIDE 26

COST

OST COMPARISON OMPARISON

Material Labor Equipment Total

Existing System Cost

q p $1,530,000 $384,000 $140,000 $2,059,000

Equipment 7% Labor 19% Material Material 74%

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-27
SLIDE 27

COST

OST COMPARISON OMPARISON

Material Labor Equipment Total

Proposed System Cost

q p $952,000 $611,000 $96,000 $1,664,000

Equipment 6% Labor Material 57% 37%

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-28
SLIDE 28

COST

OST COMPARISON OMPARISON

System Total

Existing vs. Proposed Cost Comparison

y Existing $2,059,000 Proposed $1,664,000 Difference

  • $395,000

Reduction of Cost by 20%

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-29
SLIDE 29

SCHEDULE

CHEDULE COMPARISON OMPARISON

Existing System Schedule

Start Date Finish Date Duration (months) ( ) Monday, June 2, 2003 Friday, December 24, 2004 18 Personal Photo: Taken August 16, 2007 RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

g

slide-30
SLIDE 30

SCHEDULE

CHEDULE COMPARISON OMPARISON

Proposed System Schedule

Start Date Finish Date Duration (months) ( ) Monday, June 2, 2003 Wednesday, June 22, 2005 24 Personal Photo: Taken August 16, 2007 RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

g

slide-31
SLIDE 31

SCHEDULE

CHEDULE COMPARISON OMPARISON

Existing vs. Proposed Schedule Comparison

System Duration (months) Existing 18 Proposed 24 Difference +6 Difference +6

Increase of Schedule by 6 months

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-32
SLIDE 32

REVERBERATION

EVERBERATION TIME IME COMPARISON OMPARISON

Existing System Half Occupancy Reverberation Time

Frequency Desired Reverberation Time (s) Actual Reverberation Time (s) Frequency Desired Reverberation Time (s) Actual Reverberation Time (s) 125 Hz 1.43 0.55 500 Hz 1.10 0.58 4000 Hz 0.85 0.36 Frequency Desired Reverberation Time (s) Actual Reverberation Time (s)

Existing System Full Occupancy Reverberation Time

125 Hz 1.43 0.54 500 Hz 1.10 0.55 4000 H 0 85 0 35 4000 Hz 0.85 0.35 RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-33
SLIDE 33

REVERBERATION

EVERBERATION TIME IME COMPARISON OMPARISON

Proposed System Half Occupancy Reverberation Time

Frequency Desired Reverberation Time (s) Actual Reverberation Time (s) Frequency Desired Reverberation Time (s) Actual Reverberation Time (s) 125 Hz 1.43 1.55 500 Hz 1.10 2.11 4000 Hz 0.85 0.73 Frequency Desired Reverberation Time (s) Actual Reverberation Time (s)

Proposed System Full Occupancy Reverberation Time

125 Hz 1.43 1.46 500 Hz 1.10 1.77 4000 Hz 0 85 0 68 4000 Hz 0.85 0.68 RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-34
SLIDE 34

REVERBERATION

EVERBERATION TIME IME COMPARISON OMPARISON

Existing vs. Proposed System Reverberation Time Comparison (based upon full occupancy) (based upon full occupancy)

Frequency Desired Reverberation Time (s) Existing Reverberation Time (s) Proposed Reverberation Time (s) 125 Hz 1.43 0.54 1.46 500 Hz 1.10 0.55 1.77 4000 Hz 0 85 0 35 0 68 4000 Hz 0.85 0.35 0.68

Increased Reverberation Time

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-35
SLIDE 35

SOUND

OUND TRANSMISSION RANSMISSION COMPARISON OMPARISON

Existing System Sound Transmission Class

Floor System Floors STC Rating Floor System Floors STC Rating 5" Concrete on 2" Composite Steel Deck All 3" Reinforced Concrete Slab All 39 RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

Personal Photo: Taken August 16, 2007

slide-36
SLIDE 36

SOUND

OUND TRANSMISSION RANSMISSION COMPARISON OMPARISON

Proposed System Sound Transmission Class

Floor System Floors STC Rating y g 12" Reinforced Concrete Slab 1st-4th, 6th 88 14" Reinforced Concrete Slab 5th 99 P l Ph T k A 16 2007 RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

Personal Photo: Taken August 16, 2007

slide-37
SLIDE 37

SOUND

OUND TRANSMISSION RANSMISSION COMPARISON OMPARISON

Existing vs. Proposed System Sound Transmission Class (based upon 5th floor) (based upon 5 floor)

System STC Rating Existing 39 Existing 39 Proposed 99 Difference +60

Increase of Sound Transmission Class by 60

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-38
SLIDE 38

SUCCESS

UCCESS OF OF PROPOSAL ROPOSAL

~Eliminate moment connections

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-39
SLIDE 39

SUCCESS

UCCESS OF OF PROPOSAL ROPOSAL

~Eliminate moment connections ~Eliminate fireproofing

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-40
SLIDE 40

SUCCESS

UCCESS OF OF PROPOSAL ROPOSAL

~Eliminate moment connections ~Eliminate fireproofing ~Increase mechanical cavity space

  • RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-41
SLIDE 41

SUCCESS

UCCESS OF OF PROPOSAL ROPOSAL

~Eliminate moment connections ~Eliminate fireproofing ~Increase mechanical cavity space

  • ~Reduce cost

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-42
SLIDE 42

SUCCESS

UCCESS OF OF PROPOSAL ROPOSAL

~Eliminate moment connections ~Eliminate fireproofing ~Increase mechanical cavity space

  • ~Reduce cost

~Reduce Schedule

  • RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-43
SLIDE 43

SUCCESS

UCCESS OF OF PROPOSAL ROPOSAL

~Eliminate moment connections ~Eliminate fireproofing ~Increase mechanical cavity space

  • ~Reduce cost

~Reduce Schedule

  • ~Improve acoustics for ballroom

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-44
SLIDE 44

SUCCESS

UCCESS OF OF PROPOSAL ROPOSAL

~Eliminate moment connections ~Eliminate fireproofing ~Increase mechanical cavity space

  • ~Reduce cost

~Reduce Schedule

  • ~Improve acoustics for ballroom

~Improve acoustics for floors adjacent to the ballroom

  • p

j

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-45
SLIDE 45

SUCCESS

UCCESS OF OF PROPOSAL ROPOSAL

~Eliminate moment connections ~Eliminate fireproofing ~Increase mechanical cavity space

  • ~Reduce cost

~Reduce Schedule

  • ~Improve acoustics for ballroom

~Improve acoustics for floors adjacent to the ballroom

  • Improve acoustics for floors adjacent to the ballroom

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-46
SLIDE 46

SUCCESS

UCCESS OF OF PROPOSAL ROPOSAL

~Eliminate moment connections ~Eliminate fireproofing ~Increase mechanical cavity space

  • ~Reduce cost

~Reduce Schedule

  • ~Improve acoustics for ballroom

~Improve acoustics for floors adjacent to the ballroom

  • Improve acoustics for floors adjacent to the ballroom

Proposed system not recommended due to Proposed system not recommended due to increase in schedule.

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

slide-47
SLIDE 47

THANK

HANK YOU & OU & CREDITS REDITS

Owner & General Contractor: Bob Duncan & all The Duncan Center team Structural Engineer: Baker, Ingram & Associates Architect: Jackson Architects Penn State Architectural Engineering Faculty

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE

g g y

slide-48
SLIDE 48

QUESTIONS

UESTIONS?

RACHEL

ACHEL GINGERICH INGERICH STRUCTURAL TRUCTURAL OPTION PTION APRIL 15, 2008 PRIL 15, 2008 THE HE DUNCAN UNCAN C

CENTER

ENTER DOVER, OVER, DELAWARE ELAWARE