Pre-construction services are used in planning a construction project before the actual construction begins. These services are often referred to as preconstruction or precon. It is a modern practice, considered to be part of construction project management, which is the overall planning, coordination, and control of a project from inception to completion aimed at meeting a client’s requirements in order to produce a functionally and financially viable project.
Architectural model is a type of scale model - a physical representation of a structure - built to study aspects of an architectural design or to communicate design ideas.Depending on the purpose, models can be made from a variety of materials, including blocks, paper, and wood, and at a variety of scales.
Construction project management (CM) is a professional service that uses specialized, project management techniques to oversee the planning, design, and construction of a project, from its beginning to its end.