b'Success factorsValidationIs it the right design?StrategicConceptbrief designFunctional Developedbrief designTechnical Technicalbrief designVeri\x15cationIs it designed right?Validation and verificationDesign proposals have to be tested against the brief during the design process. In the early design phases, the focus will be on the overall validation of the design: is the proposed building indeed a solution to the clients accommodation problem? In the design phases that follow, the focus will shift towards the verification of more detailed, technical specifications.100'