2941 Fairview Park 2941 Fairview Park Eric Sobel 2941 Fairview - - PowerPoint PPT Presentation

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2941 Fairview Park 2941 Fairview Park Eric Sobel 2941 Fairview - - PowerPoint PPT Presentation

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2941 Fairview Park Eric Sobel Pennsylvania State University Dept. of Architectural Engineering Spring 2003 Structural Option Eric Sobel 2941 Fairview Park 2941 Fairview Park Eric Sobel 2941 Fairview Park PROJECT TEAM Eric Sobel 2941

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SLIDE 1

Pennsylvania State University

  • Dept. of Architectural Engineering

Spring 2003 Structural Option Eric Sobel

2941 Fairview Park

2941 Fairview Park Eric Sobel

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SLIDE 2

2941 Fairview Park Eric Sobel

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SLIDE 3

PROJECT TEAM

2941 Fairview Park Eric Sobel

  • Owner:

2941 Fairview L.L.P.

  • Developer:

The David Orr Company

  • Contractor: Clark Construction
  • Architect:

Boggs & Partners

  • Structural:

Cagley & Associates

  • M.E.P.:

Allen & Shariff

  • Envelope:

PCC Consultants

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SLIDE 4

BUILDING

2941 Fairview Park Eric Sobel

  • $38 Million
  • 361,101 gross sq. ft
  • 15 rentable stories
  • Mechanical Penthouse
  • Basement
  • Offices
  • Atrium
  • Café
  • Restaurant
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SLIDE 5
  • VAV System
  • Chilled Water
  • 65 Ton AC Units
  • Electric Heating Coils
  • Series fan VAV Units

SYSTEMS

2941 Fairview Park Eric Sobel

  • Circuit Breaker Panelboards
  • K-4 Rated Transformers
  • Electrical:
  • Mechanical:
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SLIDE 6

CURTAIN WALL

2941 Fairview Park Eric Sobel

  • METAL PANEL
  • PRECAST CONCRETE
  • E-W:
  • N-S:
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SLIDE 7

PLAN

2941 Fairview Park Eric Sobel

TYPICAL TOWER FLOOR PLAN

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SLIDE 8
  • Composite A992 Steel
  • 5 ¼” LW Conc. On Metal Deck
  • N-S: 2 Braced Frames
  • E-W: 5 Braced Frames & 5 Moment Frames
  • Typical Spread Foundations
  • Buried Mat Foundation

EXISTING STRUCTURE

2941 Fairview Park Eric Sobel

  • Gravity System:
  • Lateral System:
  • Foundations:
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SLIDE 9

PLAN

2941 Fairview Park Eric Sobel

FOURTH FLOOR PLAN

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SLIDE 10
  • Goals:

REDESIGN

2941 Fairview Park Eric Sobel

  • Increase Serviceability
  • Decrease Initial Cost
  • Decrease Construction Time
  • Minimal Architectural Change
  • Advantages:
  • Quality Control
  • Durability
  • Material Strength
  • Architectural Finish
  • Quicker Erection
  • Disadvantages:
  • Increased Weight
  • Transportation
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SLIDE 11

OUTLINE

  • Connections

2941 Fairview Park Eric Sobel

  • Building Core
  • Gravity System
  • Building Envelope
  • 4D CAD
  • Schedule
  • Estimate
  • Members:
  • Construction:
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SLIDE 12

PLAN

2941 Fairview Park Eric Sobel

TYPICAL TOWER FLOOR PLAN

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SLIDE 13
  • 8” Hollowcore Planks
  • Lightweight Concrete
  • 6 straight ½” tendons
  • f’c = 5,000 psi

HOLLOWCORE PLANKS

2941 Fairview Park Eric Sobel

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SLIDE 14
  • 20” x 30” Inverted Tees
  • Normal Weight Concrete
  • 4” x 10” Ledges
  • Straight Tendons
  • f’c = 8,000 psi

INVERTED TEES

2941 Fairview Park Eric Sobel

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SLIDE 15

COLUMNS

2941 Fairview Park Eric Sobel

  • 20” x 20”
  • 4 floor pieces
  • f’c ranging from 5,000-12,000 psi
  • Upper Floors: Lightweight
  • Corbels
  • Precast:
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SLIDE 16

SPANDREL

2941 Fairview Park Eric Sobel

  • Composition
  • 3” Concrete
  • (2) 1 ½” Insulation
  • Metal Facing
  • Reduced Members
  • Bearing Connection
  • Construction
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SLIDE 17

WINDOWS

2941 Fairview Park Eric Sobel

  • Installation
  • Inside
  • Simple
  • Waussau Window System
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SLIDE 18
  • Goals:

FOUNDATIONS

2941 Fairview Park Eric Sobel

  • Adequate Strength
  • Cost Effective
  • Rigid Support for Shearwalls
  • Pinned Support for Columns
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SLIDE 19
  • Importance:
  • Goals:

CONNECTIONS

2941 Fairview Park Eric Sobel

  • Define Structural Response
  • Influences Construction Schedule
  • High Repetition
  • Relieve Induced Stresses
  • Easy Erection
  • Simple Formwork
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SLIDE 20

BEAM - COLUMN

2941 Fairview Park Eric Sobel

  • Goals:
  • Description:
  • Analysis:
  • Diaphragm Action
  • Induced Stresses
  • Quick Erection
  • Columns Stability
  • Mastecord Bearing Pads
  • Supporting Angle
  • PCI Design Guide
  • PCHELP
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SLIDE 21
  • Goals:
  • Description:
  • Analysis:

PRECAST - SITECAST

2941 Fairview Park Eric Sobel

  • Transfer Gravity & Lateral Forces
  • Simple Formwork
  • JVI-Inc. BSF 200/40
  • “The Invisible Corbel”
  • Box cast in beam
  • “Knife” cast in column
  • Weld Plate
  • JVI Design Aids
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SLIDE 22

CONSTRUCTION

2941 Fairview Park Eric Sobel

DAY 1

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SLIDE 23

CONSTRUCTION

2941 Fairview Park Eric Sobel

DAY 1 DAY 2

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SLIDE 24

DAY 1 DAY 2 DAY 3

CONSTRUCTION

2941 Fairview Park Eric Sobel

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SLIDE 25

DAY 1 DAY 2 DAY 3 DAY 4

CONSTRUCTION

2941 Fairview Park Eric Sobel

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SLIDE 26

CONSTRUCTION

2941 Fairview Park Eric Sobel

DAY 1 DAY 2 DAY 3 DAY 4 DAY 5

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SLIDE 27

CONSTRUCTION

2941 Fairview Park Eric Sobel

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SLIDE 28

SCHEDULE

2941 Fairview Park Eric Sobel PRECAST COMPOSITE STEEL

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SLIDE 29
  • Composite Steel:

$5.95 million

  • Precast:

$6.07 million

ESTIMATE

2941 Fairview Park Eric Sobel

Steel Precast

Site Cast Flooring Columns Foundations

$ Million

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SLIDE 30
  • Rentable Area:

650 Additional sq. ft.

CONCLUSIONS

2941 Fairview Park Eric Sobel

  • Plenum Depth:

Varies

  • Initial Cost:

Similar

  • Construction Schedule:

4 Weeks Quicker

  • Drift:

30% Stiffer

  • Acoustics:

10 dB STL & INR

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SLIDE 31

Thanks to:

THANKS

2941 Fairview Park Eric Sobel Joe Ajello, PE Jimmy Lakey, PE All others at Cagley & Associates Mark Tayor Mike Patton Clement Enyeji Prof’s: Parffit, Geschwindner, Boothby, & Burnette All other AE Faculty AE Class of 2003 Karen My Family

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SLIDE 32

Questions?

2941 Fairview Park Eric Sobel

  • Members
  • Connections
  • Construction
  • Trades Affected
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SLIDE 33
  • East-West:
  • North-South:
  • General:

SHEARWALLS

2941 Fairview Park Eric Sobel

  • (4) 22’-8” Shearwall
  • 24” Thick
  • (2) Shearwall / Moment Frame Lines
  • 20” Thick
  • Deep Beams
  • Locations matched existing braced frame locations
  • Loadbearing => R=4.0
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SLIDE 34
  • Location:
  • Goals:
  • Description:

MOMENT FRAME

2941 Fairview Park Eric Sobel

  • Along grid Line H
  • Lower Portion
  • Increase stiffness to region
  • Free up Space
  • Site cast
  • Spans parallel to plank
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SLIDE 35

EXPANSION JOINT

2941 Fairview Park Eric Sobel

  • Goals:
  • Description:
  • Transfer gravity loads
  • Transfer E-W lateral loads
  • Separate N-S lateral loads
  • Slotted Connector
  • Teflon bearing pad
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SLIDE 36

GROUTED KEYS

2941 Fairview Park Eric Sobel

  • Goals:
  • Description:
  • Member Connectivity
  • Diaphragm Action
  • Grouted Keys
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SLIDE 37
  • Goals:
  • Description:
  • Analysis:

PLANK – INVERTED TEE

2941 Fairview Park Eric Sobel

  • Diaphragm Action
  • Induced Stresses
  • Quick Erection
  • Mastecord Bearing Pads
  • Supporting Angle
  • PCI Design Guide
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SLIDE 38
  • Goals:
  • Description:
  • Analysis:

DAPPED BEAM

2941 Fairview Park Eric Sobel

  • Transfer Gravity & Lateral Forces
  • Simple Connection
  • Mastecord Bearing Pad
  • PCI Design Method
  • PCHELP
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SLIDE 39

DAPPED BEAM

2941 Fairview Park Eric Sobel

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SLIDE 40

Goals: Description: Analysis:

COLUMN SPLICE

2941 Fairview Park Eric Sobel

  • Aesthetically pleasing
  • Transfer only axial and shear loads
  • Simple erection
  • Bolted connection
  • Grouted
  • Splice occurs just above floor level
  • PCI design aids
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SLIDE 41
  • Architectural Atrium
  • Entrance Plaza
  • ME/TC rooms per floor
  • Tenant Build-Out
  • Superb Landscaping

FEATURES

2941 Fairview Park Eric Sobel

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SLIDE 42
  • General:
  • Core:
  • Windows:

SCHEDULE

2941 Fairview Park Eric Sobel

  • 20 columns / day
  • 20 beams / day
  • 40 planks / day
  • Core: 1 level / week
  • Windows: 1 level / week
  • 2 weeks ahead
  • 2 weeks behind
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SLIDE 43

DETAIL

2941 Fairview Park Eric Sobel

BUILDING END DETAIL

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SLIDE 44

CRANES

2941 Fairview Park Eric Sobel

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SLIDE 45

TRANSPORTATION

2941 Fairview Park Eric Sobel

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SLIDE 46

TRADES AFFECTED

2941 Fairview Park Eric Sobel

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SLIDE 47

TRADES AFFECTED

2941 Fairview Park Eric Sobel