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•Lake Geneva, Switzerland
•Surrounded by the Alps
•20°C mean temperature in summer
•Annual snow fall – 30in
Site Context
•10,000 sq. ft. footprint
•Flat site
•Excellent gravel
•Clear view to the lake
•Easily accessible by two roads
Site Analysis
Topsoil
Good gravel
Water table
Lake Geneva
Structural SystemOverview
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ELive loads Corridor 1st floor (classrooms) 5 kN/m2Auditorium 5 kN/m2Auditorium with fixed seating 4 kN/m2Classroom, seminar room, lab, office 3 kN/m2
Snow 0.75 kN/m2
Wind 0.9 kN/m2
Earthquake max. 0.05% of gravity loads
1k
1 kN/m2 = 20.48 lb/sf
1 m = 3.28 ft
• Budget - $5.5M
• Timeline – 1 year
• Faster
• Cheaper
• Life cycle cost savings
Construction IssuesObjectives
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• Bonus double access roads
• Can divert traffic if needed and use the other side of the road
• Mobile crane
Construction IssuesSite Plan
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Capacity -1.54cubic meter.
Boom – 54m
Based on capacity and availability
Reach curve
Pump Truck Hauling Truck
Construction IssuesEquipment
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Mar 1, 2015
Dec 13,2015
May 4, 2015Sep 27,2015
StartSubstructure
complete
End
Framing complete
Construction IssuesSchedule Milestones
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• Project Duration – 9 months
• Resource allocation considered
• Snow season- December 15th to February 15th
• Steel procurement lead time
Construction IssuesSchedule Analysis
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COST BREAKDOWN
3%
18%
12%
2%18%2%
3% 2%40%
Foundation
Substructure
Superstructure
Exterior Closure
Roofing
Interiors
Conveying
MEP
SpecialConstruction
Total Project Cost = $5.29 M (3.38 M in 2001)
Construction IssuesCost Estimate
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EIFS vs Concrete Panels:
EIFS Concrete
•$ 22.5 per sf
•Fast to erect
•Good thermal insulation and immune to cracking
$25 per sf
Impacts schedule
Sturdy but is labor intensive
Construction IssuesCost Analysis
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Concerns
• Head Room – Floor to floor heights?
• Location of MEP room
• Choice of a centralized vs distributed system
Construction IssuesMEP Issues
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• Cores used for risers with diameter of 24”
• Distribution at center brings used air down
• Fresh air distributed through the lateral cores.
• Duct sizes
• typical rooms 14”
• auditorium 18”
Construction IssuesMEP Design
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Raised Floor System – Benefits and Disadvantages
• Improved efficiency
• More effective
• Allows great deal of flexibility
• 1.25 times cost of conventional system
Construction IssuesFloor Systems Comparison
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Working together, we were able to design a building that:• Closely meets the program requirements• Functions well as a learning facility• Responds to the site• Has a fairly low-life cycle cost• Is adaptable to meet changing needs
Conclusion
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• Early design commitments• Early consideration of MEP and structural systems • Cross-disciplinary design contribution• Synchronous communication• Common AutoCAD drawing
Lessons Learned
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