Phase 1
Information Phase
 Key Questions                                                         
n  What is it?
n  What does it do?
n  What must it do?
n  What does it cost?
n  What is the budget?
n  What is it worth?
 Procedures                                                              
n Get all the facts.
n Identify all the constraints.
n Determine costs, space, quality parameters.
n Identify functions.
n Develop Models: Initial Costs, Space, Energy, Life Cycle, Quality.
n Set target worth.
n Select functions for value improvement.