stepping towards modular integrated constructioncic.hk/files/page/10307/20190129_arup.pdf2019/01/29...
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Stepping Towards Modular Integrated Construction
Goman HoArup Fellow, Director of Innovations
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Once upon a time….
We invented bricks and started to build multi-story buildings.
To build multi-story, we used “tower cranes”. At that time, the cranes were made of timber.
Credit: Grand Raids History & Special Collections, Archives, Grand Rapids Public Library, Grand Rapids, MI
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Now, we have heavy duty tower
cranes.
Is the method of construction
same as before?
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Can we make bigger bricks?
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10
Victoria Hall, Wolverhampton, UK
The tallest modular building in Europe
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© Shop Architects
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Extensive Coordination with Multi-Disc Work
Structures +MEP +Architecture
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4D Production Sequencing
Production
Phase 1. Bathroom Pod Fabrication
Phase 2. Factory installation of Pod into Module
Phase 3. Factory Module MEP Work
Phase 4. Module Factory Finish Work
Phase 5. MatelineConnections in Field
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Embedded design data within model
• Intelligent “families”
• Parametric grouping
• Modular constraints require accurate representation of services and geometry
• Ability for:• Spec integration
• Equipment schedules
• Quantity scheduling
• Coordination
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CIC MiC Display Centre
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Exhibition Space
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Elderly Home
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Hotel Room
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Hostel (e.g. Student)
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One Bedroom Unit
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Three Bedroom Unit
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Potential for MiC in Hong Kong
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Modular Construction in Hong
Kong: Drivers?
• Productivity greater efficiency
• Increases in labour costs
• Rapid development-Strong demand for
housing, student residence, nursing and
student home, etc
• Sufficiently large market/sector
• Advances in technology in design tools and
manufacturing process
• Safety
• Better risk control
• Improved Sustainability
• Weather condition
• Policy – incentive to encourage investment,
research, training.
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Modular ChallengesMind set, Investment & Design Issues
• Consumer confidence - Patchy track
record and perceived negatively
• Skeptical – long term flexibility
• Dimension and weight of units
• Robustness – vertical and horizontal
ties.
• Service interfaces
• Fire rating, Acoustic performance
• Current regulation constraints
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Typical Modular Arrangement
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Steel Floor Cassette Option
• 22~25mm Cement floor board
• 3~5 mm neoprene anti-squeak strips
provide damping
• steel joists
• standard cold-rolled steel edge beams
• foam concrete/ sound insulation
(optional)
• base protection board (optional)
Structural Floor System for Modular Construction
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Typical Floor and Ceiling Details
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Modular ChallengesFabrication, Erection & Maintenance
• Crane tonnage & on-site storage of modules
overnight
• Logistic and Access – dimension of units
controlled by traffic, road access.
• Waterproofing/Leakage control
• Maintenance crew familiar with the system
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• In HK, for vehicle not
exceeding the limit as listed in
table 2.2.1.1 do not require
escort and permit.
Transportation Table 2.2.1.1 Overall Dimensions of Vehicles
Vehicle Overall Length
(m)
Overall Width
(m)
Overall Height
(m)
Private Car 6.3 2.3 2
Taxi 6.3 2.3 2
Invalid Carriage 6.3 2.3 2
Light Bus 6.9 2.3 3
Bus
(i)Single Deck 12 2.5 3.5
(ii)Double Deck 12 2.5 4.6
Articulated 15 2.5 3.5
Light Goods Vehicle 10 2.5 3.5
Medium Goods Vehicle 11 2.5 4.6
Heavy Goods Vehicle
(i)Rigid 11 2.5 4.6
(ii)Articulated 16 2.5 4.6
Special Purpose Vehicle 12 2.5 4.6
Tricycle - 1.1 -
Trailer 13.5 2.5 4.6
Pedestrian-controlled Vehicle 4.3 1.6 -
Source : Transport Planning & Design Manual Vol 2, Transport Department, 2018
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Must modules be steel?
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How about concrete?