1. North Shore at Canton The Pennsylvania State University
Beau Menard
Structural Option
Advisor: Professor Parfitt
The Pennsylvania State University
Architectural Engineering Senior Thesis

2. North Shore at Canton Table of Contents: Building Overview
Beau Menard
Structural Option
Table of Contents:
Building Overview
Problem Statement
Solution Overview
Structural Redesign
Steel Solution
Pre-cast solution
Construction Management Issues
Material Costs
Construction Durations
Conclusion
Acknowledgements
Questions

3. North Shore at Canton Building Overview Location Baltimore, MD
Beau Menard
Structural Option
Building Overview
Location
Baltimore, MD
2300 block of Boston Street
Residential Structure
1 level covered parking
3 levels of living units
60,000 sq ft

4. North Shore at Canton Building Overview Structural System Foundation
Beau Menard
Structural Option
Building Overview
Structural System
Foundation
Pre-cast concrete piles
Concrete strength, f’c = 7000 psi
Grade 60 reinforcing steel
Parking level
Floor system- 12” pre-cast planks w/ 4-1/2” topping
Steel Columns and Girders
8” pre-cast planks w/ 2-1/2” topping

5. North Shore at Canton Building Overview Structural Systems
Beau Menard
Structural Option
Building Overview
Structural Systems
Living Units
Bearing/Shear wall system
Steel Studs
½” Gypsum Sheathing
Floor system
16” deep pre-engineered wood floor trusses, spaced 16” o.c.
¾” OSB topping
Roof system
Pre-engineered roof trusses, spaced 24” o.c.

6. North Shore at Canton Problem Statement Inherent Moisture Problem
Beau Menard
Structural Option
Problem Statement
Inherent Moisture Problem
Structural Integrity

7. North Shore at Canton Solution Overview Structural Solution
Beau Menard
Structural Option
Solution Overview
Structural Solution
Steel Redesign
Combination Moment and Braced Frame
Open web steel joists
Pre-cast Concrete Redesign
Shear-wall lateral system
Pre-cast columns and girders
Pre-cast planks

8. North Shore at Canton Structural Redesign
Beau Menard
Structural Option
Structural Redesign
Design Loads (IBC 2003 & ASCE 7-02)
Live Load
40 psf
Roof Live Load ~ 20 psf
Snow Load
20 psf
Lateral Loads
Wind Load ~ 20 psf (steel structure)
Seismic Loads as noted (concrete structure)
Dead Loads
Structure Weight ~ varies
Roof Dead Load ~ 20 psf
MEP and Ceiling ~ 20 psf

9. North Shore at Canton Structural Redesign Steel Design Floor System
Beau Menard
Structural Option
Structural Redesign
Steel Design
Floor System
Open Web Steel Joists
16k4 (25’ max span, 3’ spacing)
Allowable Load ~ 313 plf
Total Load ~ 270 plf
Metal Decking
19 gauge (3 span)
1-1/2” x 6”
Light weight Concrete topping
2-1/2” topping w/ gypsum ceiling

10. North Shore at Canton Structural Redesign Steel Design
Beau Menard
Structural Option
Structural Redesign
Steel Design
Initial frame systems
Moment frame vs. Braced frame
Combination Frame
Moment and Braced Connections

11. Structural Redesign - Steel
North Shore at Canton
Beau Menard
Structural Option
Structural Redesign - Steel
1st Floor
Main Lateral Force Resisting System
5 Combination Frames
Columns
w 10x49 (typ)
Girders
w 21x50 (int)
w 18x35 (ext)
Bracing elements
w 8x24 (typ)
Moment Frame
w 10x49
w 18x40

12. Structural Redesign - Steel
North Shore at Canton
Beau Menard
Structural Option
Structural Redesign - Steel
2nd Floor
Main Lateral Force Resisting System
5 Combination Frames
Columns
w 10x49 (typ)
Girders
w 18x35 (int)
w 16x26 (ext)
Bracing elements
w 8x24 (typ)
Moment Frame
w 10x49
w 18x40

13. Structural Redesign - Steel
North Shore at Canton
Beau Menard
Structural Option
Structural Redesign - Steel
3rd Floor
Main Lateral Force Resisting System
5 Combination Frames
Columns
w 10x49 (typ)
Girders
w 16x26 (int)
w 16x26 (ext)
Bracing elements
w 8x24 (typ)
Moment Frame
w 10x49
w 18x40

14. Structural Redesign - Steel
North Shore at Canton
Beau Menard
Structural Option
Structural Redesign - Steel
4th Floor
Main Lateral Force Resisting System
5 Combination Frames
Columns
w 10x49 (typ)
Girders
w 22x55 (typ)
Moment Frame
w 10x49
w 18x40

15. Structural Redesign - Steel
North Shore at Canton
Beau Menard
Structural Option
Structural Redesign - Steel
Lateral Deflection
Story
Total Lateral Displacement (in) 1
.041 2
.079 3
.121 4
.276

16. Structural Redesign - Steel
North Shore at Canton
Beau Menard
Structural Option
Structural Redesign - Steel
Gravity Frame
Columns
w 10x49 (typ)
Girders
w 16x26
w 18x40
w 21x44
w 24x55
Bracing elements
w 8x24 (typ)

17. Structural Redesign - Steel
North Shore at Canton
Beau Menard
Structural Option
Structural Redesign - Steel
Foundation Impact
Slight Increase in axial loads
Lateral Load transfer
Pile Capacity
130 tons Compression
30 tons tension

18. Structural Redesign – Pre-cast
North Shore at Canton
Beau Menard
Structural Option
Structural Redesign – Pre-cast
Typical Frame Layout
Foundation Impact
Shear walls
Columns
Girders

19. Structural Redesign – Pre-cast
North Shore at Canton
Beau Menard
Structural Option
Structural Redesign – Pre-cast
Shear Walls
Location
Long walls
Short walls
Loads Applied
Seismic Controls
Reinforcement
Spacing ~ 18”
ρ =
# 6 bar

20. Structural Redesign – Pre-cast
North Shore at Canton
Beau Menard
Structural Option
Structural Redesign – Pre-cast
Columns
Level
3-12”x12”
2-12”x12”
1-14”x14”
Reinforcement
γ = 0.6 (conservatively)
ρ = 0.03
3 -# 7 bars / face

21. Structural Redesign – Pre-cast
North Shore at Canton
Beau Menard
Structural Option
Structural Redesign – Pre-cast
Girders
Interior
12”x14”
Moment Reinforcement
3-#9 (bot)
4-#9 (top)
Shear/torsion Reinforcement
#3 s = 7”
Perimeter
10”x12”
2-#5 (bot)
2-#5 (top)
#3 s = 6”

22. Structural Redesign – Pre-cast
North Shore at Canton
Beau Menard
Structural Option
Structural Redesign – Pre-cast
Floor System
Pre-cast Planks
Span ~ 25’
8”x4’ SpanDeck –U.L.-J917
Flexure /2" Φ allowable load = 110 psf total load = 90 psf
2” concrete topping

23. Structural Redesign – Pre-cast
North Shore at Canton
Beau Menard
Structural Option
Structural Redesign – Pre-cast
Foundation Impact
Greatly Increase in axial loads
Lateral Load transfer
Shear wall connections

24. Construction Management – Cost
North Shore at Canton
Beau Menard
Structural Option
Construction Management – Cost
Current system
Pier cost ~ $ 1,000,000
Town home cost ~ $448,600
Includes structure and facade
Steel System
Frame Cost ~ $650,000
Includes framing and floor system
No additional pier cost
Pre-cast System
Frame cost ~ $750,000
Pier cost increased

25. Construction Management – Durations
North Shore at Canton
Beau Menard
Structural Option
Construction Management – Durations
Current system
Pier construction ~ 5 months
Town home construction ~ 5 months
Includes structure and facade
Steel System
Frame construction ~ 4 months
Includes framing and floor system
No additional pier construction
Pre-cast System
Frame construction ~ 6 months
Additional pier construction required

26. Conclusions / Recommendations
North Shore at Canton
Beau Menard
Structural Option
Conclusions / Recommendations
Steel Redesign
Advantages
Light Weight
Less impact on foundation
Cost effective
Shorter construction durations
Disadvantages
Complex connections
Additional moisture protection
Additional fire proofing
Pre-cast Redesign
Advantages
Moisture resistant
Fire resistant
Reduce lateral members
Disadvantages
Increased structure weight
Complex connections
Greatly impacts foundation
Increased cost
Slightly increased construction durations

27. North Shore at Canton Acknowledgements
Beau Menard
Structural Option
Acknowledgements
Don Taylor ~ DW Taylor Architects and Associates
Jim Diepold ~ Whitney, Bailey, Cox, Magnani
Friends and Family
AE Faculty

28. North Shore at Canton Questions The All Knowing Man of Steel
Beau Menard
Structural Option
Questions
The All Knowing
Man of Steel
Man of Steel