CASE 2: Sequus Pharmaceuticals Pilot Plant, Menlo Park (1997- 99 )

3D model (Design Development):

Benefits:

CASE 4: Paradise Pier, Disney California Adventure, LA (1998 - 99 )

3D model (Schematic Design – Design Development)

• Visualized finished project & Ride sim.

4D model (Construction Document's)

• Strategic planning of proj. milestones
• Sequencing of bid packages
• Coordinating track erection with testing

Benefits:

• Engaged 400 stakeholders in 2 months
• Bid results: within +/- 2.5% of budget
• Contractors understood project scope & challenges within 48 hrs

CASE 5: Helsinki University of Technology Auditorium-600 (HUT-600) Project, Helsinki (2000 - 02 )

3D model (Conceptual planning)

• Cost estimating
• Lighting design & energy simulation

4D model (Schematic Design)

• Virtual walk-through of spatial designs
• Comprehension of construction sequences

Benefits:

• Promised 10-15% savings of total building costs
• Promised 5-25% savings of Life Cycle Costs
• 80% reduction in time on cost estimate
• 50% time savings in design document phase

CASE 6: Baystreet, Emeryville (2000 - 2002 )

4D model (Early Construction)

• Accelerating steel erect. in theater area to enable opening before Christmas
• Site logistics, e.g., how to get concrete up five floors inside tight quarters

Benefits:

• Saved 3 weeks, 7% off original schedule

CASE 7: Genentech FRCII, South San Francisco (2001 - 2003 )

3D model (Early Construction)

• Planning of the ideal teledata routing
• Cost tracking of subs' proposal, billings
• Space rearrange during building operation

4D model (Early Construction)

• Coordination of MEP installation

Benefits:

• Identified opportunities to reduce change order

CASE 8: Walt Disney Concert Hall Project, Los Angeles (1999 - 2003 )

3D model (Schematic Design)

• Visualization of geometric complexity
• Dimensional control & fabrication

Four 4D models (Pre-construction)

• Improving upon the construction schedule
• Detecting constructability problems
• Planning of lay-down, crane locations, hoisting methods, scaffolding strategy & instl. of complex ceiling

Benefits:

• Saved time to communicate schedule

CASE 9: Hong Kong Disneyland , Hong Kong (2001 - 2006 )

3D model (Early Design)

• Energy simulation

4D model (Schematic Design)

• Coordination of phased handover from site work to constr. mobilization
• Strategic planning of constr. milestone

Benefits:

• Resolved accessibility issues and space conflicts for phased handover

CASE 10: Pioneer Courthouse Seismic Upgrade and Rehabilitation Project , Portland (2001 - 2003 )

4D model (50% Construction Documents)

• Assisted owner in comprehending the construction sequencing of base-isolation as specified by the structural engineers

Benefits:

• “Proof-of-concept” for the use of 4D technologies in GSA

CASE 11: Ray and Maria Stata Center Project, Boston (2000 - 2004 )

3D model (Early Design)

• Visualization of geometric complexity

Three 4D models (Early Construction)

• Communicating GC's schedule to subs
• Constr. Sequencing between two towers
• Planning of access & staging areas
• Illustrating the need of temporary exterior enclosure for weather protection

CASE 12: Banner Health Good Samaritan Hospital , Phoenix (2002 - 2004)

4D model (Pre-construction)

• Synchronizing facility operation with construction
• Detecting potential interferences & risks of site safety, e.g., cranes within the flight path of medevac helicopter

Benefits:

• 4D cost: < 0.05% of total project costs

CASE 13: California Academy of Science Project , San Francisco (2003 - 2006 )

3D model (50% Construction Documents)

• Detecting design errors & inconsistency
• Estimating / tracking subs' proposals

4D model (Design Development)

• Comparison of concrete roof alternative to the original steel roof system

4D model (Pre-construction)

• Planning of pouring sequences for the concrete foundation

CASE 14: Terminal 5 of London 's Heathrow Airport , London (2003 - 2007 )

3D model (Detailed Design)

• Coordinating drawing production of detailed rebar design with procurement
• Design coordination of the reinforcement at the tunnel eye

Benefits:

• Minimize the number of review sessions
• Reduced batch sizes of rebar drawings
• Reduced procurement lead-time on rebar from 2 weeks to 3 days
• Reduced onsite RFI's by 80%

CASE 15: 4-D virtual building in Sweden , Stockholm (2002 - 2003 )

4D model (Post-construction)

• Test of traditional form work system vs. permanent form work& pre-installed rebar
• Detailed analysis of daily operation of form work, rebar, & concrete tasks in the 4D model
• Comparison of construction alternatives in a 4D CAD environment