 
 <prompt> Wetin need preliminary studies? Based on di question wey dey above, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Since di 1980s, as buildings dey become more complex (in terms of structural systems, services, energy and technologies), di field of architecture don turn multi-disciplinary with specializations for each project type, technological expertise or project delivery methods. In addition, dem don dey separate di 'design' architect from di 'project' architect wey dey ensure say di project meet di required standards and handle matters of liability. Di preparatory processes for di design of any big building don dey more complicated, and e require preliminary studies of matters like durability, sustainability, quality, money, and compliance with local laws. A big structure no fit be di design of one person again but e must be di work of many. Modernism and Postmodernism don dey criticized by some members of di architectural profession wey feel say successful architecture no be personal, philosophical, or aesthetic pursuit by individualists; instead e must consider di everyday needs of people and use technology to create livable environments, with di design process dey informed by studies of behavioral, environmental, and social sciences. 