Managing the Development of Building Projects for Better Results

First published in 1981, updated for web presentation, Dec. 2000

Introduction | Principal Parties | Project Plan | Improving Performance
Project Life Cycle | Bar Chart Schedule | Manpower Loading Data
Information Explosion | Final Cost | Design Stages | Cost Effectiveness
Choices | Construction Costing | Value Management | Design Review
Cost of Building Ownership | Practice and Value Management | Summary

Ability to Influence the Final Cost

Figure 6 shows the extent to which the ability to influence the final cost of the project diminishes as the project moves forward. Obviously, the owner's requirements, and to a somewhat lesser degree regulatory requirements, have primary impact on the project's final cost.

Some degree of iteration is inevitable and normal during the Concept and Development (Planning) phases of a construction project in order to test ideas and see what works best. However, assuming an otherwise orderly progression without significant back-tracking, the ability to influence the final cost drops rapidly during these phases. As the specifications and working drawings are developed during the first stage of the Execution phase, the opportunities are even further diminished.

An Information Explosion  An Information Explosion

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