Analysis of Current 4D Practice

Meeting Location:	Large Desktop/CAVE 4D environment
Physical Layout:
Meetings Observed:	3
Length of Meetings:	45-60 minutes
Participants:	Construction Management Team (5), Bidding General Contractor (5-15)
Goal of Meeting:	To introduce potential bidding general contractors to the project, point out potential problem areas, and allow them to ask questions about the project

Question		Response		Target Information
Question	Type	Description	Form	Source	Rel. Type	Reliability
GC: Where's access to site?	Descr.	The CM points to the area of the site where access is.	· Verbal · Physical · Visual	· Access diagrams · Contract · Physical location	Req.-Time-Space Contractual Date-Site Area	Medium
GC: Can we use the space by this building?	Descr.	CM: The area is only available for a 1-month period because it's part of another project.	· Verbal · Physical	· GC schedule for other project ·	Space-Time	Medium
GC:When will the wave machine be available?	Descr.	Vendor says it will be available XXX.	· Verbal	· Procurement information · Contract	Time-Space Procurement Info-Building Comp.
GC: What is driving the finish times for the rides?	Expl.	Stepped turnover to operations	·Verbal	· Not documented, overall strategy
GC: Can we move the start dates of the rides?	Pred.	Yes, but….	· Verbal · Physical	· Vendor information · Ride procurement · Fabricator schedule	Spatial

Analysis of Current Practice

Meeting Location:	Conference room
Physical Layout:
Meetings Observed:	6
Length of Meetings:	2 hours
Participants:	Construction Management Team (3-5), General Contractor (3-8)
Goal of Meetings:	To review the schedule and/or schedule status of the general contractor

Question		Response		Target Information
Question	Type	Description	Form	Source	Rel. Type	Cost	Reliability
GC: When do we have access to XXX?	Descr.	The project manager pulled out a 2D layout of the site annotated with areas and their availability dates based on the contract	· Verbal · Physical · Visual: Text Annotation on 2D Diagram	· Contract-in textual form	Contractual Date-Site Area	$$$ Someone has to produce the 2D diagram and update it according to actual progress on site	?? Only as reliable as schedule progress
CM: What sections of the walls do these numbers refer to? (lagoon 4, lagoon 3, etc)	Descr.	Team points to drawing on wall (that is large-scale and not detailed for the sections referred to)	Verbal Physical	·	Spatial
CM: Where are you placing the crane for erection of XXX?	Descr.	Points to 2D layout and location of crane	Verbal Physical	· None	Space-Time
Who's doing the work for these activities?	Descr.	A is doing X, B is doing Y,….	Verbal	· Schedule code	Resource-activity
Does this meet the contractual milestone?	Eval.	Response is quickly stated as 'yes'	Verbal	· Contract · GC schedule	Contract-Schedule (time-time)	Search through contract information and schedule info	As information in schedule changes, this may change
CM: Does the schedule include the specified amount of time for curing?	Eval.	The team has to spend time searching through the schedule and then determine whether their activity durations account for the curing time.	Verbal
CM: Why are you starting X facility at this date?	Expl.	Team points to drawing on wall (that is large-scale and not detailed for the sections referred to)	Verbal Physical
CM: Have you considered impact of this sequence on other work in this area?	Pred.						Very unreliable
GC: Can we get access to the lagoon a week earlier?	Pred.	Project manager informed the team that the dates noted on the diagram are 'contractual' dates and that access could be provided earlier if the current work finishes early, but could not answer definitively.	Verbal	· Turnover Activities in GC #1 schedule · Breakdown of Construction Areas for release by GC #1	Activity-Area	$$$ Follow-up to progress of current work

Table 3: Analysis of Questions and Responses - Construction Information Workspace Practice

Meeting Location: Conference Room with Construction Information Workspace

# of Meetings Observed: None

Length of Meetings: 2 hours

Participants: Construction Management Team (3-5), General Contractor (3-8)

Goal of Meetings: To review the schedule and/or schedule status of the general contractor

Question		Response			Referenced Information
Question	Type	Description	Form	Source	Rel. Type	Cost	Reliability
GC: When do we have access to XXX?	Descr.		· Visual:	· Contract-in textual form	Contractual Date-Site Area	$ Initial cost of defining areas and relating to information in contract	Updated as any related information changes
CM: What sections of the walls do these numbers refer to? (lagoon 4, lagoon 3, etc)	Descr.	Team points to drawing on wall (that is large-scale and not detailed for the sections referred to)	Verbal Physical	·	Spatial
CM: Where are you placing the crane for erection of XXX?	Descr.	Points to 2D layout and location of crane	Verbal Physical	· None	Space-Time
Who's doing the work for these activities?	Descr.	A is doing X, B is doing Y,….	Verbal	· Schedule code	Resource-activity
Does this meet the contractual milestone?	Eval.	Response is quickly stated as 'yes'	Verbal	· Contract · GC schedule	Contract-Schedule (time-time)	Search through contract information and schedule info	As information in schedule changes, this may change
CM: Does the schedule include the specified amount of time for curing?	Eval.	The team has to spend time searching through the schedule and then determine whether their activity durations account for the curing time.	Verbal
CM: Why are you starting X facility at this date?	Expl.	Team points to drawing on wall (that is large-scale and not detailed for the sections referred to)	Verbal Physical
CM: Have you considered impact of this sequence on other work in this area?	Pred.						Very unreliable
GC: Can we get access to the lagoon a week earlier?	Pred.	Project manager informed the team that the dates noted on the diagram are 'contractual' dates and that access could be provided earlier if the current work finishes early, but could not answer definitively.	Verbal	· Turnover Activities in GC #1 schedule · Breakdown of Construction Areas for release by GC #1	Activity-Area	$$$ Follow-up to progress of current work