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Ch. 8 SCHEDULING-PERT NETWORKING AND LINEAR OPERATIONS

Ch. 8 SCHEDULING-PERT NETWORKING AND LINEAR OPERATIONS -...

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Click to edit Master subtitle style SCHEDULING-PERT NETWORKING AND LINEAR OPERATIONS CHAPTER - 8 VRML Model of NIST  Research  Facility  Emission Control System VRML Excavator, Tower Crane and  Dump Truck
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THE NEED n Traditionally construction process information is  communicated with paper documents and 2D  CAD drawings n Recently, the industry has embraced web-based  technologies, but construction still uses  document-based models. n It is believed that transition model-based  information can be done through web-based 3D  models. n Moreover, there is a need to easily model 
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THE TECHNOLOGY n The applicability of the VRML is being  investigated for visualizing construction activities  at a site and creating an advanced web-based  3D user to construction process information. n The Computer-Integrated Construction Group at  the NIST Gaithersburg, MD is developing this  concept. n These interfaces are based on web-based 3D  visualizations of a model.
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INTRODUCTION n Acquisition of Bar Charts and CPM n PERT addresses variability of project duration n Variability is defined in terms of three estimates n Calculation of the expected duration time (te) n Definition of normal distribution n Standard deviation and variance n Calculation of longest path and project duration using te n Probability distribution; longest path of te values as a  mean of normal distribution
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Figure 8.1 Selected Areas under the Normal Distributed Curve
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AN EXAMPLE OF PERT NETWORK n Fig. 8.2 and table 8.1 n
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  • Spring '09
  • Bhargava
  • 8½, Small PERT Network, NIST Research Facility  Emission Control System, construction process information, objective chart

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