4D bim construction scheduling on the 1885 St. James pl. project

4D BIM Construction Scheduling on the 1885 St. James Pl. Project

● Dat Lien, President, Axoscape● Xavier Loayza, BIM Specialist, Axoscape

AgendaThe Project4D BIM IntroductionThe BIM modelThe ScheduleThe workflowOutputs

Nelson Murphree Legacy Partners15-story boutique office tower165,146-square-foot buildingNine floors of office spacesix levels of parkingUSGBC: LEED SilverArchitect: Jackson & RyanGC: Tellepsen BuildersBIM Consultant: Axoscape

1885 St. James Pl

The ProblemLimited SpaceExpensive Mast ClimbersComplex ScheduleCommunication

Mast Climber Layout

Floors 1 - 15

Floors 7 - 13

4D BIM for Pre-Construction Planning 3D + Time

BIM Model•Arch model(str+exterior+ext blockwall+ext stone + drywall model/framing•Dry-wall model 3d

BIM model and ScheduleLevel Of Detail (BIM) ≈ Level Of Detail (Schedule)

The SchedulerSelecting the Activities to perform

The ScheduleBuild on Critical path Method (CPM) base

Input by Linear Scheduling Method (LSM)

Sub-contractor Input (rates)

The Schedule: Activity Flow

The SchedulerCrew sizing

The Workflow

The Workflow1. Create Selection Sets 2. Create Activities from

Selection Sets

The Workflow3. Export Timeliner to MS Project

The Workflow4. Build the schedule based on the activities created in Navisworks

The Workflow5. Link the New schedule to Navisworks

6. Map the Activities to the Selection Sets

Q & A